Add Foundry mobile layout with Tauri iOS/Android support

- Add responsive mobile layout with bottom pill tab bar, swipe navigation, and task list as home screen
- Add platform detection (useIsMobile hook) with viewport breakpoint and VITE_MOBILE build flag
- Mobile-optimize settings/billing/account pages (single-column layout with horizontal tabs)
- Add iOS safe area inset handling with 47px minimum padding
- Scaffold Tauri v2 mobile targets (iOS/Android) with platform-gated sidecar and capabilities
- Add notification sound support and mobile build script

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

foundry/packages/backend/src/actors/workspace/app-shell.ts

@@ -245,6 +245,7 @@ async function buildAppSnapshot(c: any, sessionId: string): Promise<FoundryAppSn
         name: session.currentUserName ?? session.currentUserGithubLogin ?? "GitHub user",
         email: session.currentUserEmail ?? "",
         githubLogin: session.currentUserGithubLogin ?? "",
+        avatarUrl: session.currentUserGithubLogin ? `https://github.com/${session.currentUserGithubLogin}.png` : null,
         roleLabel: session.currentUserRoleLabel ?? "GitHub user",
         eligibleOrganizationIds: organizations.map((organization) => organization.id),
       }

foundry/packages/client/src/mock-app.ts

@@ -12,6 +12,7 @@ export interface MockFoundryUser {
   name: string;
   email: string;
   githubLogin: string;
+  avatarUrl: string | null;
   roleLabel: string;
   eligibleOrganizationIds: string[];
 }
@@ -22,6 +23,8 @@ export interface MockFoundryOrganizationMember {
   email: string;
   role: "owner" | "admin" | "member";
   state: "active" | "invited";
+  avatarUrl: string | null;
+  githubLogin: string | null;
 }
 
 export interface MockFoundryInvoice {
@@ -162,6 +165,7 @@ function buildDefaultSnapshot(): MockFoundryAppSnapshot {
         name: "Nathan",
         email: "nathan@acme.dev",
         githubLogin: "nathan",
+        avatarUrl: "https://github.com/NathanFlurry.png",
         roleLabel: "Founder",
         eligibleOrganizationIds: ["personal-nathan", "acme", "rivet"],
       },
@@ -170,6 +174,7 @@ function buildDefaultSnapshot(): MockFoundryAppSnapshot {
         name: "Maya",
         email: "maya@acme.dev",
         githubLogin: "maya",
+        avatarUrl: "https://github.com/octocat.png",
         roleLabel: "Staff Engineer",
         eligibleOrganizationIds: ["acme"],
       },
@@ -178,6 +183,7 @@ function buildDefaultSnapshot(): MockFoundryAppSnapshot {
         name: "Jamie",
         email: "jamie@rivet.dev",
         githubLogin: "jamie",
+        avatarUrl: "https://github.com/defunkt.png",
         roleLabel: "Platform Lead",
         eligibleOrganizationIds: ["personal-jamie", "rivet"],
       },
@@ -213,7 +219,17 @@ function buildDefaultSnapshot(): MockFoundryAppSnapshot {
           paymentMethodLabel: "No card required",
           invoices: [],
         },
-        members: [{ id: "member-nathan", name: "Nathan", email: "nathan@acme.dev", role: "owner", state: "active" }],
+        members: [
+          {
+            id: "member-nathan",
+            name: "Nathan",
+            email: "nathan@acme.dev",
+            role: "owner",
+            state: "active",
+            avatarUrl: "https://github.com/NathanFlurry.png",
+            githubLogin: "NathanFlurry",
+          },
+        ],
         seatAssignments: ["nathan@acme.dev"],
         repoCatalog: ["nathan/personal-site"],
       },
@@ -251,10 +267,34 @@ function buildDefaultSnapshot(): MockFoundryAppSnapshot {
           ],
         },
         members: [
-          { id: "member-acme-nathan", name: "Nathan", email: "nathan@acme.dev", role: "owner", state: "active" },
-          { id: "member-acme-maya", name: "Maya", email: "maya@acme.dev", role: "admin", state: "active" },
-          { id: "member-acme-priya", name: "Priya", email: "priya@acme.dev", role: "member", state: "active" },
-          { id: "member-acme-devon", name: "Devon", email: "devon@acme.dev", role: "member", state: "invited" },
+          {
+            id: "member-acme-nathan",
+            name: "Nathan",
+            email: "nathan@acme.dev",
+            role: "owner",
+            state: "active",
+            avatarUrl: "https://github.com/NathanFlurry.png",
+            githubLogin: "NathanFlurry",
+          },
+          {
+            id: "member-acme-maya",
+            name: "Maya",
+            email: "maya@acme.dev",
+            role: "admin",
+            state: "active",
+            avatarUrl: "https://github.com/octocat.png",
+            githubLogin: "octocat",
+          },
+          {
+            id: "member-acme-priya",
+            name: "Priya",
+            email: "priya@acme.dev",
+            role: "member",
+            state: "active",
+            avatarUrl: "https://github.com/mona.png",
+            githubLogin: "mona",
+          },
+          { id: "member-acme-devon", name: "Devon", email: "devon@acme.dev", role: "member", state: "invited", avatarUrl: null, githubLogin: null },
         ],
         seatAssignments: ["nathan@acme.dev", "maya@acme.dev"],
         repoCatalog: ["acme/backend", "acme/frontend", "acme/infra"],
@@ -290,9 +330,33 @@ function buildDefaultSnapshot(): MockFoundryAppSnapshot {
           invoices: [{ id: "inv-rivet-001", label: "Team pilot", issuedAt: "2026-03-04", amountUsd: 0, status: "paid" }],
         },
         members: [
-          { id: "member-rivet-jamie", name: "Jamie", email: "jamie@rivet.dev", role: "owner", state: "active" },
-          { id: "member-rivet-nathan", name: "Nathan", email: "nathan@acme.dev", role: "member", state: "active" },
-          { id: "member-rivet-lena", name: "Lena", email: "lena@rivet.dev", role: "admin", state: "active" },
+          {
+            id: "member-rivet-jamie",
+            name: "Jamie",
+            email: "jamie@rivet.dev",
+            role: "owner",
+            state: "active",
+            avatarUrl: "https://github.com/defunkt.png",
+            githubLogin: "defunkt",
+          },
+          {
+            id: "member-rivet-nathan",
+            name: "Nathan",
+            email: "nathan@acme.dev",
+            role: "member",
+            state: "active",
+            avatarUrl: "https://github.com/NathanFlurry.png",
+            githubLogin: "NathanFlurry",
+          },
+          {
+            id: "member-rivet-lena",
+            name: "Lena",
+            email: "lena@rivet.dev",
+            role: "admin",
+            state: "active",
+            avatarUrl: "https://github.com/mojombo.png",
+            githubLogin: "mojombo",
+          },
         ],
         seatAssignments: ["jamie@rivet.dev"],
         repoCatalog: ["rivet/dashboard", "rivet/agents", "rivet/billing", "rivet/infrastructure"],
@@ -327,7 +391,17 @@ function buildDefaultSnapshot(): MockFoundryAppSnapshot {
           paymentMethodLabel: "No card required",
           invoices: [],
         },
-        members: [{ id: "member-jamie", name: "Jamie", email: "jamie@rivet.dev", role: "owner", state: "active" }],
+        members: [
+          {
+            id: "member-jamie",
+            name: "Jamie",
+            email: "jamie@rivet.dev",
+            role: "owner",
+            state: "active",
+            avatarUrl: "https://github.com/defunkt.png",
+            githubLogin: "defunkt",
+          },
+        ],
         seatAssignments: ["jamie@rivet.dev"],
         repoCatalog: ["jamie/demo-app"],
       },

foundry/packages/client/src/mock/workbench-client.ts

@@ -100,6 +100,7 @@ class MockWorkbenchStore implements TaskWorkbenchClient {
       diffs: {},
       fileTree: [],
       minutesUsed: 0,
+      presence: [],
     };
 
     this.updateState((current) => ({

foundry/packages/client/src/workbench-model.ts

@@ -435,6 +435,10 @@ export function buildInitialTasks(): Task[] {
         },
       ],
       minutesUsed: 42,
+      presence: [
+        { memberId: "member-acme-nathan", name: "Nathan", avatarUrl: "https://github.com/NathanFlurry.png", lastSeenAtMs: minutesAgo(1) },
+        { memberId: "member-acme-maya", name: "Maya", avatarUrl: "https://github.com/octocat.png", lastSeenAtMs: minutesAgo(0), typing: true },
+      ],
     },
     {
       id: "h2",
@@ -535,6 +539,7 @@ export function buildInitialTasks(): Task[] {
         },
       ],
       minutesUsed: 187,
+      presence: [{ memberId: "member-acme-priya", name: "Priya", avatarUrl: "https://github.com/mona.png", lastSeenAtMs: minutesAgo(0) }],
     },
     {
       id: "h3",
@@ -609,6 +614,7 @@ export function buildInitialTasks(): Task[] {
         },
       ],
       minutesUsed: 23,
+      presence: [],
     },
     // ── rivet-dev/rivet ──
     {
@@ -744,6 +750,11 @@ export function buildInitialTasks(): Task[] {
         },
       ],
       minutesUsed: 5,
+      presence: [
+        { memberId: "member-acme-nathan", name: "Nathan", avatarUrl: "https://github.com/NathanFlurry.png", lastSeenAtMs: minutesAgo(0) },
+        { memberId: "member-acme-maya", name: "Maya", avatarUrl: "https://github.com/octocat.png", lastSeenAtMs: minutesAgo(2) },
+        { memberId: "member-acme-priya", name: "Priya", avatarUrl: "https://github.com/mona.png", lastSeenAtMs: minutesAgo(5) },
+      ],
     },
     {
       id: "h5",
@@ -800,6 +811,7 @@ export function buildInitialTasks(): Task[] {
       diffs: {},
       fileTree: [],
       minutesUsed: 312,
+      presence: [{ memberId: "member-acme-maya", name: "Maya", avatarUrl: "https://github.com/octocat.png", lastSeenAtMs: minutesAgo(45) }],
     },
     // ── rivet-dev/cloud ──
     {
@@ -909,6 +921,7 @@ export function buildInitialTasks(): Task[] {
         },
       ],
       minutesUsed: 0,
+      presence: [],
     },
     // ── rivet-dev/engine-ee ──
     {
@@ -1023,6 +1036,7 @@ export function buildInitialTasks(): Task[] {
         },
       ],
       minutesUsed: 78,
+      presence: [],
     },
     // ── rivet-dev/engine-ee (archived) ──
     {
@@ -1065,6 +1079,7 @@ export function buildInitialTasks(): Task[] {
       diffs: {},
       fileTree: [],
       minutesUsed: 15,
+      presence: [],
     },
     // ── rivet-dev/secure-exec ──
     {
@@ -1118,6 +1133,7 @@ export function buildInitialTasks(): Task[] {
       diffs: {},
       fileTree: [],
       minutesUsed: 3,
+      presence: [],
     },
   ];
 }

foundry/packages/desktop/package.json

@@ -5,10 +5,16 @@
   "type": "module",
   "scripts": {
     "dev": "tauri dev",
+    "dev:ios": "VITE_MOBILE=1 tauri ios dev",
+    "dev:android": "VITE_MOBILE=1 tauri android dev",
     "build": "tauri build",
+    "build:ios": "tauri ios build",
+    "build:android": "tauri android build",
     "build:sidecar": "tsx scripts/build-sidecar.ts",
     "build:frontend": "tsx scripts/build-frontend.ts",
+    "build:frontend:mobile": "tsx scripts/build-frontend-mobile.ts",
     "build:all": "pnpm build:sidecar && pnpm build:frontend && pnpm build",
+    "build:all:ios": "pnpm build:frontend:mobile && pnpm build:ios",
     "tauri": "tauri"
   },
   "devDependencies": {

foundry/packages/desktop/scripts/build-frontend-mobile.ts

@@ -0,0 +1,42 @@
+import { execSync } from "node:child_process";
+import { cpSync, readFileSync, writeFileSync, rmSync, existsSync } from "node:fs";
+import { resolve, dirname } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const desktopRoot = resolve(__dirname, "..");
+const repoRoot = resolve(desktopRoot, "../../..");
+const frontendDist = resolve(desktopRoot, "../frontend/dist");
+const destDir = resolve(desktopRoot, "frontend-dist");
+
+function run(cmd: string, opts?: { cwd?: string; env?: NodeJS.ProcessEnv }) {
+  console.log(`> ${cmd}`);
+  execSync(cmd, {
+    stdio: "inherit",
+    cwd: opts?.cwd ?? repoRoot,
+    env: { ...process.env, ...opts?.env },
+  });
+}
+
+// Step 1: Build the frontend for mobile (no hardcoded backend endpoint)
+console.log("\n=== Building frontend for mobile ===\n");
+run("pnpm --filter @sandbox-agent/foundry-frontend build", {
+  env: {
+    VITE_MOBILE: "1",
+  },
+});
+
+// Step 2: Copy dist to frontend-dist/
+console.log("\n=== Copying frontend build output ===\n");
+if (existsSync(destDir)) {
+  rmSync(destDir, { recursive: true });
+}
+cpSync(frontendDist, destDir, { recursive: true });
+
+// Step 3: Strip react-scan script from index.html (it loads unconditionally)
+const indexPath = resolve(destDir, "index.html");
+let html = readFileSync(indexPath, "utf-8");
+html = html.replace(/<script\s+src="https:\/\/unpkg\.com\/react-scan\/dist\/auto\.global\.js"[^>]*><\/script>\s*/g, "");
+writeFileSync(indexPath, html);
+
+console.log("\n=== Mobile frontend build complete ===\n");

foundry/packages/desktop/src-tauri/Cargo.toml

@@ -3,13 +3,20 @@ name = "foundry"
 version = "0.1.0"
 edition = "2021"
 
+[lib]
+crate-type = ["staticlib", "cdylib", "lib"]
+
 [build-dependencies]
 tauri-build = { version = "2", features = [] }
 
 [dependencies]
 tauri = { version = "2", features = [] }
-tauri-plugin-shell = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 reqwest = { version = "0.12", features = ["json"] }
 tokio = { version = "1", features = ["time"] }
+
+# Shell plugin is desktop-only (used for sidecar spawning).
+# Exclude iOS and Android targets.
+[target.'cfg(not(any(target_os = "ios", target_os = "android")))'.dependencies]
+tauri-plugin-shell = "2"

foundry/packages/desktop/src-tauri/capabilities/default.json

@@ -2,6 +2,7 @@
   "identifier": "default",
   "description": "Default capability for Foundry desktop",
   "windows": ["main"],
+  "platforms": ["macOS", "windows", "linux"],
   "permissions": [
     "core:default",
     "core:window:allow-start-dragging",

foundry/packages/desktop/src-tauri/capabilities/mobile.json

@@ -0,0 +1,7 @@
+{
+  "identifier": "mobile",
+  "description": "Capability for Foundry mobile (iOS/Android)",
+  "windows": ["main"],
+  "platforms": ["iOS", "android"],
+  "permissions": ["core:default"]
+}

foundry/packages/desktop/src-tauri/gen/apple/.gitignore

@@ -0,0 +1,3 @@
+xcuserdata/
+build/
+Externals/

foundry/packages/desktop/src-tauri/gen/apple/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,116 @@
+{
+  "images": [
+    {
+      "size": "20x20",
+      "idiom": "iphone",
+      "filename": "AppIcon-20x20@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "20x20",
+      "idiom": "iphone",
+      "filename": "AppIcon-20x20@3x.png",
+      "scale": "3x"
+    },
+    {
+      "size": "29x29",
+      "idiom": "iphone",
+      "filename": "AppIcon-29x29@2x-1.png",
+      "scale": "2x"
+    },
+    {
+      "size": "29x29",
+      "idiom": "iphone",
+      "filename": "AppIcon-29x29@3x.png",
+      "scale": "3x"
+    },
+    {
+      "size": "40x40",
+      "idiom": "iphone",
+      "filename": "AppIcon-40x40@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "40x40",
+      "idiom": "iphone",
+      "filename": "AppIcon-40x40@3x.png",
+      "scale": "3x"
+    },
+    {
+      "size": "60x60",
+      "idiom": "iphone",
+      "filename": "AppIcon-60x60@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "60x60",
+      "idiom": "iphone",
+      "filename": "AppIcon-60x60@3x.png",
+      "scale": "3x"
+    },
+    {
+      "size": "20x20",
+      "idiom": "ipad",
+      "filename": "AppIcon-20x20@1x.png",
+      "scale": "1x"
+    },
+    {
+      "size": "20x20",
+      "idiom": "ipad",
+      "filename": "AppIcon-20x20@2x-1.png",
+      "scale": "2x"
+    },
+    {
+      "size": "29x29",
+      "idiom": "ipad",
+      "filename": "AppIcon-29x29@1x.png",
+      "scale": "1x"
+    },
+    {
+      "size": "29x29",
+      "idiom": "ipad",
+      "filename": "AppIcon-29x29@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "40x40",
+      "idiom": "ipad",
+      "filename": "AppIcon-40x40@1x.png",
+      "scale": "1x"
+    },
+    {
+      "size": "40x40",
+      "idiom": "ipad",
+      "filename": "AppIcon-40x40@2x-1.png",
+      "scale": "2x"
+    },
+    {
+      "size": "76x76",
+      "idiom": "ipad",
+      "filename": "AppIcon-76x76@1x.png",
+      "scale": "1x"
+    },
+    {
+      "size": "76x76",
+      "idiom": "ipad",
+      "filename": "AppIcon-76x76@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "83.5x83.5",
+      "idiom": "ipad",
+      "filename": "AppIcon-83.5x83.5@2x.png",
+      "scale": "2x"
+    },
+    {
+      "size": "1024x1024",
+      "idiom": "ios-marketing",
+      "filename": "AppIcon-512@2x.png",
+      "scale": "1x"
+    }
+  ],
+  "info": {
+    "version": 1,
+    "author": "xcode"
+  }
+}

foundry/packages/desktop/src-tauri/gen/apple/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info": {
+    "version": 1,
+    "author": "xcode"
+  }
+}

foundry/packages/desktop/src-tauri/gen/apple/ExportOptions.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>method</key>
+    <string>debugging</string>
+</dict>
+</plist>

foundry/packages/desktop/src-tauri/gen/apple/LaunchScreen.storyboard

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="17150" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="Y6W-OH-hqX">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17122"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="s0d-6b-0kx">
+            <objects>
+                <viewController id="Y6W-OH-hqX" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="5EZ-qb-Rvc">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <viewLayoutGuide key="safeArea" id="vDu-zF-Fre"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="Ief-a0-LHa" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

foundry/packages/desktop/src-tauri/gen/apple/Podfile

@@ -0,0 +1,21 @@
+# Uncomment the next line to define a global platform for your project
+
+target 'foundry_iOS' do
+platform :ios, '14.0'
+  # Pods for foundry_iOS
+end
+
+target 'foundry_macOS' do
+platform :osx, '11.0'
+  # Pods for foundry_macOS
+end
+
+# Delete the deployment target for iOS and macOS, causing it to be inherited from the Podfile
+post_install do |installer|
+ installer.pods_project.targets.each do |target|
+  target.build_configurations.each do |config|
+   config.build_settings.delete 'IPHONEOS_DEPLOYMENT_TARGET'
+   config.build_settings.delete 'MACOSX_DEPLOYMENT_TARGET'
+  end
+ end
+end

foundry/packages/desktop/src-tauri/gen/apple/Sources/foundry/bindings/bindings.h

@@ -0,0 +1,8 @@
+#pragma once
+
+namespace ffi {
+    extern "C" {
+        void start_app();
+    }
+}
+

foundry/packages/desktop/src-tauri/gen/apple/Sources/foundry/main.mm

@@ -0,0 +1,6 @@
+#include "bindings/bindings.h"
+
+int main(int argc, char * argv[]) {
+	ffi::start_app();
+	return 0;
+}

foundry/packages/desktop/src-tauri/gen/apple/foundry.xcodeproj/project.pbxproj

@@ -0,0 +1,460 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 77;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		18AA2DEF7E37375920E5C2A0 /* assets in Resources */ = {isa = PBXBuildFile; fileRef = 5839511CE1969F167776E5BA /* assets */; };
+		41F61AA6A6395C0E1A22A01D /* Metal.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4C796B246B7EFC59BE22BEAE /* Metal.framework */; };
+		46451E98CD8CC918B270DF4E /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4CA3839E082C9EE1FBE47017 /* CoreGraphics.framework */; };
+		5823D1D3CF428AB8675028CA /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 916B38007890BE6F5229D88A /* QuartzCore.framework */; };
+		63828790DD4F121B20E1314C /* libapp.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 61706E406133F9FEA10A02CF /* libapp.a */; };
+		6DF20201B9860B37359D8373 /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 7FB0AF0861142E98564AE14D /* WebKit.framework */; };
+		84F2A1451B638E04DC7D9C77 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0FFD378E56937244899E32B9 /* UIKit.framework */; };
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+		98E4F3D9D125FB8973826CB2 /* Build configuration list for PBXProject "foundry" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				2B285D0ECCDEA51DB6635985 /* debug */,
+				7DD9B8183C37530AE219A355 /* release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = debug;
+		};
+		D445EACB90281484F8FFC686 /* Build configuration list for PBXNativeTarget "foundry_iOS" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				6503634097DB1CB8102F723F /* debug */,
+				362B62575264ECB0984A8FC7 /* release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = debug;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 376A77EF2CEF8254085FAA46 /* Project object */;
+}

foundry/packages/desktop/src-tauri/gen/apple/foundry.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

foundry/packages/desktop/src-tauri/gen/apple/foundry.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildSystemType</key>
+	<string>Original</string>
+	<key>DisableBuildSystemDeprecationDiagnostic</key>
+	<true/>
+</dict>
+</plist>

foundry/packages/desktop/src-tauri/gen/apple/foundry.xcodeproj/xcshareddata/xcschemes/foundry_iOS.xcscheme

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1430"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "B133A72EA416CD7D39FE3E92"
+               BuildableName = "Foundry.app"
+               BlueprintName = "foundry_iOS"
+               ReferencedContainer = "container:foundry.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "NO">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B133A72EA416CD7D39FE3E92"
+            BuildableName = "Foundry.app"
+            BlueprintName = "foundry_iOS"
+            ReferencedContainer = "container:foundry.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+      <Testables>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B133A72EA416CD7D39FE3E92"
+            BuildableName = "Foundry.app"
+            BlueprintName = "foundry_iOS"
+            ReferencedContainer = "container:foundry.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "release"
+      shouldUseLaunchSchemeArgsEnv = "NO"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B133A72EA416CD7D39FE3E92"
+            BuildableName = "Foundry.app"
+            BlueprintName = "foundry_iOS"
+            ReferencedContainer = "container:foundry.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

foundry/packages/desktop/src-tauri/gen/apple/foundry_iOS/Info.plist

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>0.1.0</string>
+	<key>CFBundleVersion</key>
+	<string>0.1.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>NSAppTransportSecurity</key>
+	<dict>
+		<key>NSAllowsArbitraryLoads</key>
+		<true/>
+	</dict>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+		<string>metal</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

foundry/packages/desktop/src-tauri/gen/apple/foundry_iOS/foundry_iOS.entitlements

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict/>
+</plist>

foundry/packages/desktop/src-tauri/gen/apple/project.yml

@@ -0,0 +1,88 @@
+name: foundry
+options:
+  bundleIdPrefix: dev.sandboxagent.foundry
+  deploymentTarget:
+    iOS: 14.0
+fileGroups: [../../src]
+configs:
+  debug: debug
+  release: release
+settingGroups:
+  app:
+    base:
+      PRODUCT_NAME: Foundry
+      PRODUCT_BUNDLE_IDENTIFIER: dev.sandboxagent.foundry
+targetTemplates:
+  app:
+    type: application
+    sources:
+      - path: Sources
+    scheme:
+      environmentVariables:
+        RUST_BACKTRACE: full
+        RUST_LOG: info
+    settings:
+      groups: [app]
+targets:
+  foundry_iOS:
+    type: application
+    platform: iOS
+    sources:
+      - path: Sources
+      - path: Assets.xcassets
+      - path: Externals
+      - path: foundry_iOS
+      - path: assets
+        buildPhase: resources
+        type: folder
+      - path: LaunchScreen.storyboard
+    info:
+      path: foundry_iOS/Info.plist
+      properties:
+        LSRequiresIPhoneOS: true
+        UILaunchStoryboardName: LaunchScreen
+        UIRequiredDeviceCapabilities: [arm64, metal]
+        UISupportedInterfaceOrientations:
+          - UIInterfaceOrientationPortrait
+          - UIInterfaceOrientationLandscapeLeft
+          - UIInterfaceOrientationLandscapeRight
+        UISupportedInterfaceOrientations~ipad:
+          - UIInterfaceOrientationPortrait
+          - UIInterfaceOrientationPortraitUpsideDown
+          - UIInterfaceOrientationLandscapeLeft
+          - UIInterfaceOrientationLandscapeRight
+        CFBundleShortVersionString: 0.1.0
+        CFBundleVersion: "0.1.0"
+    entitlements:
+      path: foundry_iOS/foundry_iOS.entitlements
+    scheme:
+      environmentVariables:
+        RUST_BACKTRACE: full
+        RUST_LOG: info
+    settings:
+      base:
+        ENABLE_BITCODE: false
+        ARCHS: [arm64]
+        VALID_ARCHS: arm64 
+        LIBRARY_SEARCH_PATHS[arch=x86_64]: $(inherited) $(PROJECT_DIR)/Externals/x86_64/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)
+        LIBRARY_SEARCH_PATHS[arch=arm64]: $(inherited) $(PROJECT_DIR)/Externals/arm64/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME) $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)
+        ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES: true
+        EXCLUDED_ARCHS[sdk=iphoneos*]: x86_64
+      groups: [app]
+    dependencies:
+      - framework: libapp.a
+        embed: false
+      - sdk: CoreGraphics.framework
+      - sdk: Metal.framework
+      - sdk: MetalKit.framework
+      - sdk: QuartzCore.framework
+      - sdk: Security.framework
+      - sdk: UIKit.framework
+      - sdk: WebKit.framework
+    preBuildScripts:
+      - script: pnpm tauri ios xcode-script -v --platform ${PLATFORM_DISPLAY_NAME:?} --sdk-root ${SDKROOT:?} --framework-search-paths "${FRAMEWORK_SEARCH_PATHS:?}" --header-search-paths "${HEADER_SEARCH_PATHS:?}" --gcc-preprocessor-definitions "${GCC_PREPROCESSOR_DEFINITIONS:-}" --configuration ${CONFIGURATION:?} ${FORCE_COLOR} ${ARCHS:?}
+        name: Build Rust Code
+        basedOnDependencyAnalysis: false
+        outputFiles:
+          - $(SRCROOT)/Externals/x86_64/${CONFIGURATION}/libapp.a
+          - $(SRCROOT)/Externals/arm64/${CONFIGURATION}/libapp.a

foundry/packages/desktop/src-tauri/gen/schemas/capabilities.json

@@ -1 +1,24 @@
-{"default":{"identifier":"default","description":"Default capability for Foundry desktop","local":true,"windows":["main"],"permissions":["core:default","core:window:allow-start-dragging","shell:allow-open",{"identifier":"shell:allow-execute","allow":[{"args":true,"name":"sidecars/foundry-backend","sidecar":true}]},{"identifier":"shell:allow-spawn","allow":[{"args":true,"name":"sidecars/foundry-backend","sidecar":true}]}]}}
+{
+  "default": {
+    "identifier": "default",
+    "description": "Default capability for Foundry desktop",
+    "local": true,
+    "windows": ["main"],
+    "permissions": [
+      "core:default",
+      "core:window:allow-start-dragging",
+      "shell:allow-open",
+      { "identifier": "shell:allow-execute", "allow": [{ "args": true, "name": "sidecars/foundry-backend", "sidecar": true }] },
+      { "identifier": "shell:allow-spawn", "allow": [{ "args": true, "name": "sidecars/foundry-backend", "sidecar": true }] }
+    ],
+    "platforms": ["macOS", "windows", "linux"]
+  },
+  "mobile": {
+    "identifier": "mobile",
+    "description": "Capability for Foundry mobile (iOS/Android)",
+    "local": true,
+    "windows": ["main"],
+    "permissions": ["core:default"],
+    "platforms": ["iOS", "android"]
+  }
+}

foundry/packages/desktop/src-tauri/src/lib.rs

@@ -1,28 +1,44 @@
 use std::sync::Mutex;
-use tauri::{AppHandle, LogicalPosition, Manager, WebviewUrl, WebviewWindowBuilder};
+
+#[cfg(not(mobile))]
+use tauri::{LogicalPosition, Manager, WebviewUrl, WebviewWindowBuilder};
+
+#[cfg(not(mobile))]
 use tauri_plugin_shell::process::CommandChild;
+#[cfg(not(mobile))]
 use tauri_plugin_shell::ShellExt;
 
 struct BackendState {
+    #[cfg(not(mobile))]
     child: Mutex<Option<CommandChild>>,
+    backend_url: Mutex<String>,
 }
 
 #[tauri::command]
-fn get_backend_url() -> String {
-    "http://127.0.0.1:7741".to_string()
+fn get_backend_url(state: tauri::State<BackendState>) -> String {
+    state.backend_url.lock().unwrap().clone()
 }
 
 #[tauri::command]
-async fn backend_health() -> Result<bool, String> {
-    match reqwest::get("http://127.0.0.1:7741/api/rivet/metadata").await {
+fn set_backend_url(url: String, state: tauri::State<BackendState>) {
+    *state.backend_url.lock().unwrap() = url;
+}
+
+#[tauri::command]
+async fn backend_health(state: tauri::State<'_, BackendState>) -> Result<bool, String> {
+    let base = state.backend_url.lock().unwrap().clone();
+    let url = format!("{}/api/rivet/metadata", base);
+    match reqwest::get(&url).await {
         Ok(resp) => Ok(resp.status().is_success()),
         Err(_) => Ok(false),
     }
 }
 
-async fn wait_for_backend(timeout_secs: u64) -> Result<(), String> {
+#[cfg(not(mobile))]
+async fn wait_for_backend(base_url: String, timeout_secs: u64) -> Result<(), String> {
     let start = std::time::Instant::now();
     let timeout = std::time::Duration::from_secs(timeout_secs);
+    let url = format!("{}/api/rivet/metadata", base_url);
 
     loop {
         if start.elapsed() > timeout {
@@ -32,7 +48,7 @@ async fn wait_for_backend(timeout_secs: u64) -> Result<(), String> {
             ));
         }
 
-        match reqwest::get("http://127.0.0.1:7741/api/rivet/metadata").await {
+        match reqwest::get(&url).await {
             Ok(resp) if resp.status().is_success() => return Ok(()),
             _ => {}
         }
@@ -41,7 +57,8 @@ async fn wait_for_backend(timeout_secs: u64) -> Result<(), String> {
     }
 }
 
-fn spawn_backend(app: &AppHandle) -> Result<(), String> {
+#[cfg(not(mobile))]
+fn spawn_backend(app: &tauri::AppHandle) -> Result<(), String> {
     let sidecar = app
         .shell()
         .sidecar("sidecars/foundry-backend")
@@ -88,65 +105,95 @@ fn spawn_backend(app: &AppHandle) -> Result<(), String> {
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
-    tauri::Builder::default()
-        .plugin(tauri_plugin_shell::init())
+    let builder = tauri::Builder::default();
+
+    // Shell plugin is desktop-only (used for sidecar spawning)
+    #[cfg(not(mobile))]
+    let builder = builder.plugin(tauri_plugin_shell::init());
+
+    builder
         .manage(BackendState {
+            #[cfg(not(mobile))]
             child: Mutex::new(None),
+            backend_url: Mutex::new("http://127.0.0.1:7741".to_string()),
         })
-        .invoke_handler(tauri::generate_handler![get_backend_url, backend_health])
-        .setup(|app| {
-            // Create main window programmatically so we can set traffic light position
-            let url = if cfg!(debug_assertions) {
-                WebviewUrl::External("http://localhost:4173".parse().unwrap())
-            } else {
-                WebviewUrl::default()
-            };
-
-            let mut builder = WebviewWindowBuilder::new(app, "main", url)
-                .title("Foundry")
-                .inner_size(1280.0, 800.0)
-                .min_inner_size(900.0, 600.0)
-                .resizable(true)
-                .theme(Some(tauri::Theme::Dark))
-                .title_bar_style(tauri::TitleBarStyle::Overlay)
-                .hidden_title(true);
-
-            #[cfg(target_os = "macos")]
+        .invoke_handler(tauri::generate_handler![
+            get_backend_url,
+            set_backend_url,
+            backend_health
+        ])
+        .setup(|_app| {
+            #[cfg(not(mobile))]
+            let app = _app;
+            // On desktop, create window programmatically for traffic light position
+            #[cfg(not(mobile))]
             {
-                builder = builder.traffic_light_position(LogicalPosition::new(14.0, 14.0));
-            }
+                let url = if cfg!(debug_assertions) {
+                    WebviewUrl::External("http://localhost:4173".parse().unwrap())
+                } else {
+                    WebviewUrl::default()
+                };
 
-            builder.build()?;
+                let mut win_builder = WebviewWindowBuilder::new(app, "main", url)
+                    .title("Foundry")
+                    .inner_size(1280.0, 800.0)
+                    .min_inner_size(900.0, 600.0)
+                    .resizable(true)
+                    .theme(Some(tauri::Theme::Dark))
+                    .title_bar_style(tauri::TitleBarStyle::Overlay)
+                    .hidden_title(true);
 
-            // In debug mode, assume the developer is running the backend externally
-            if cfg!(debug_assertions) {
-                eprintln!("[foundry-desktop] Dev mode: skipping sidecar spawn. Run the backend separately.");
-                return Ok(());
-            }
-
-            let handle = app.handle().clone();
-            tauri::async_runtime::spawn(async move {
-                if let Err(e) = spawn_backend(&handle) {
-                    eprintln!("[foundry-desktop] Failed to start backend: {}", e);
-                    return;
+                #[cfg(target_os = "macos")]
+                {
+                    win_builder =
+                        win_builder.traffic_light_position(LogicalPosition::new(14.0, 14.0));
                 }
 
-                match wait_for_backend(30).await {
-                    Ok(()) => eprintln!("[foundry-desktop] Backend is ready."),
-                    Err(e) => eprintln!("[foundry-desktop] {}", e),
+                win_builder.build()?;
+            }
+
+            // On mobile, Tauri creates the webview automatically — no window setup needed.
+            // The backend URL will be set by the frontend via set_backend_url.
+
+            // Sidecar spawning is desktop-only
+            #[cfg(not(mobile))]
+            {
+                // In debug mode, assume the developer is running the backend externally
+                if cfg!(debug_assertions) {
+                    eprintln!(
+                        "[foundry] Dev mode: skipping sidecar spawn. Run the backend separately."
+                    );
+                    return Ok(());
                 }
-            });
+
+                let handle = app.handle().clone();
+                tauri::async_runtime::spawn(async move {
+                    if let Err(e) = spawn_backend(&handle) {
+                        eprintln!("[foundry] Failed to start backend: {}", e);
+                        return;
+                    }
+
+                    match wait_for_backend("http://127.0.0.1:7741".to_string(), 30).await {
+                        Ok(()) => eprintln!("[foundry] Backend is ready."),
+                        Err(e) => eprintln!("[foundry] {}", e),
+                    }
+                });
+            }
 
             Ok(())
         })
         .on_window_event(|window, event| {
             if let tauri::WindowEvent::Destroyed = event {
-                let state = window.state::<BackendState>();
-                let child = state.child.lock().unwrap().take();
-                if let Some(child) = child {
-                    let _ = child.kill();
-                    eprintln!("[foundry-desktop] Backend sidecar killed.");
+                #[cfg(not(mobile))]
+                {
+                    let state = window.state::<BackendState>();
+                    let child = state.child.lock().unwrap().take();
+                    if let Some(child) = child {
+                        let _ = child.kill();
+                        eprintln!("[foundry] Backend sidecar killed.");
+                    }
                 }
+                let _ = window; // suppress unused warning on mobile
             }
         })
         .run(tauri::generate_context!())

foundry/packages/desktop/src-tauri/tauri.android.conf.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "https://raw.githubusercontent.com/tauri-apps/tauri/dev/crates/tauri-cli/schema.json",
+  "build": {
+    "beforeDevCommand": "FOUNDRY_FRONTEND_CLIENT_MODE=mock VITE_MOBILE=1 pnpm --filter @sandbox-agent/foundry-frontend dev --host 0.0.0.0 --port 4173"
+  },
+  "bundle": {
+    "externalBin": []
+  },
+  "plugins": {}
+}

foundry/packages/desktop/src-tauri/tauri.ios.conf.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://raw.githubusercontent.com/tauri-apps/tauri/dev/crates/tauri-cli/schema.json",
+  "build": {
+    "beforeDevCommand": "FOUNDRY_FRONTEND_CLIENT_MODE=mock VITE_MOBILE=1 pnpm --filter @sandbox-agent/foundry-frontend dev --host 0.0.0.0 --port 4173",
+    "devUrl": "http://localhost:4173"
+  },
+  "bundle": {
+    "externalBin": []
+  },
+  "plugins": {}
+}

foundry/packages/frontend/index.html

@@ -13,7 +13,7 @@
     <script>if(window.__TAURI_INTERNALS__)document.documentElement.dataset.tauri="1"</script>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
     <title>Foundry</title>
   </head>
   <body>

foundry/packages/frontend/src/components/mock-layout.tsx

@@ -2,8 +2,10 @@ import { memo, useCallback, useEffect, useLayoutEffect, useMemo, useRef, useStat
 import { useNavigate } from "@tanstack/react-router";
 import { useStyletron } from "baseui";
 
+import type { WorkbenchPresence } from "@sandbox-agent/foundry-shared";
 import { PanelLeft, PanelRight } from "lucide-react";
 import { useFoundryTokens } from "../app/theme";
+import { useAgentDoneNotification } from "../lib/notification-sound";
 
 import { DiffContent } from "./mock-layout/diff-content";
 import { MessageList } from "./mock-layout/message-list";
@@ -11,15 +13,17 @@ import { PromptComposer } from "./mock-layout/prompt-composer";
 import { RightSidebar } from "./mock-layout/right-sidebar";
 import { Sidebar } from "./mock-layout/sidebar";
 import { TabStrip } from "./mock-layout/tab-strip";
-import { TerminalPane } from "./mock-layout/terminal-pane";
+import { TerminalPane, type ProcessTab } from "./mock-layout/terminal-pane";
 import { TranscriptHeader } from "./mock-layout/transcript-header";
-import { PROMPT_TEXTAREA_MAX_HEIGHT, PROMPT_TEXTAREA_MIN_HEIGHT, SPanel, ScrollBody, Shell } from "./mock-layout/ui";
+import { PROMPT_TEXTAREA_MAX_HEIGHT, PROMPT_TEXTAREA_MIN_HEIGHT, SPanel, ScrollBody, Shell, Tooltip } from "./mock-layout/ui";
 import {
   buildDisplayMessages,
   diffPath,
   diffTabId,
   formatThinkingDuration,
   isDiffTab,
+  isTerminalTab,
+  terminalTabId,
   buildHistoryEvents,
   type Task,
   type HistoryEvent,
@@ -27,8 +31,10 @@ import {
   type Message,
   type ModelId,
 } from "./mock-layout/view-model";
-import { activeMockOrganization, useMockAppSnapshot } from "../lib/mock-app";
+import { activeMockOrganization, activeMockUser, useMockAppSnapshot } from "../lib/mock-app";
+import { useIsMobile } from "../lib/platform";
 import { getTaskWorkbenchClient } from "../lib/workbench";
+import { MobileLayout } from "./mock-layout/mobile-layout";
 
 function firstAgentTabId(task: Task): string | null {
   return task.tabs[0]?.id ?? null;
@@ -58,12 +64,127 @@ function sanitizeActiveTabId(task: Task, tabId: string | null | undefined, openD
     if (isDiffTab(tabId) && openDiffs.includes(diffPath(tabId))) {
       return tabId;
     }
+    if (isTerminalTab(tabId)) {
+      return tabId;
+    }
   }
 
   return openDiffs.length > 0 ? diffTabId(openDiffs[openDiffs.length - 1]!) : lastAgentTabId;
 }
 
+function TypingIndicator({ presence, currentUserId }: { presence: WorkbenchPresence[]; currentUserId: string | null }) {
+  const [css] = useStyletron();
+  const t = useFoundryTokens();
+  const typingMembers = presence.filter((member) => member.typing && member.memberId !== currentUserId);
+  const isTyping = typingMembers.length > 0;
+  const [animState, setAnimState] = useState<"in" | "out" | "hidden">(isTyping ? "in" : "hidden");
+  const lastMembersRef = useRef(typingMembers);
+
+  if (isTyping) {
+    lastMembersRef.current = typingMembers;
+  }
+
+  useEffect(() => {
+    if (isTyping) {
+      setAnimState("in");
+    } else if (lastMembersRef.current.length > 0) {
+      setAnimState("out");
+    }
+  }, [isTyping]);
+
+  if (animState === "hidden") return null;
+
+  const members = lastMembersRef.current;
+  if (members.length === 0) return null;
+  const label =
+    members.length === 1
+      ? `${members[0]!.name} is typing`
+      : members.length === 2
+        ? `${members[0]!.name} & ${members[1]!.name} are typing`
+        : `${members[0]!.name} & ${members.length - 1} others are typing`;
+
+  return (
+    <div
+      className={css({
+        display: "flex",
+        alignItems: "center",
+        gap: "8px",
+        padding: "6px 20px",
+        flexShrink: 0,
+        overflow: "hidden",
+        animationName: animState === "in" ? "hf-typing-in" : "hf-typing-out",
+        animationDuration: "0.2s",
+        animationTimingFunction: "ease-out",
+        animationFillMode: "forwards",
+      })}
+      onAnimationEnd={() => {
+        if (animState === "out") setAnimState("hidden");
+      }}
+    >
+      <div className={css({ display: "flex", alignItems: "center" })}>
+        {members.slice(0, 3).map((member) =>
+          member.avatarUrl ? (
+            <img
+              key={member.memberId}
+              src={member.avatarUrl}
+              alt=""
+              className={css({
+                width: "16px",
+                height: "16px",
+                borderRadius: "50%",
+                objectFit: "cover",
+                border: `1.5px solid ${t.surfacePrimary}`,
+                marginLeft: "-4px",
+                ":first-child": { marginLeft: 0 },
+              })}
+            />
+          ) : (
+            <div
+              key={member.memberId}
+              className={css({
+                width: "16px",
+                height: "16px",
+                borderRadius: "50%",
+                backgroundColor: t.borderMedium,
+                display: "flex",
+                alignItems: "center",
+                justifyContent: "center",
+                fontSize: "9px",
+                fontWeight: 600,
+                color: t.textSecondary,
+                border: `1.5px solid ${t.surfacePrimary}`,
+                marginLeft: "-4px",
+                ":first-child": { marginLeft: 0 },
+              })}
+            >
+              {member.name.charAt(0).toUpperCase()}
+            </div>
+          ),
+        )}
+      </div>
+      <span className={css({ fontSize: "12px", color: t.textTertiary })}>
+        {label}
+        {[0, 1, 2].map((i) => (
+          <span
+            key={i}
+            className={css({
+              animationName: "hf-dot-fade",
+              animationDuration: "1.4s",
+              animationIterationCount: "infinite",
+              animationFillMode: "both",
+              animationDelay: `${i * 0.2}s`,
+            })}
+          >
+            .
+          </span>
+        ))}
+      </span>
+    </div>
+  );
+}
+
 const TranscriptPanel = memo(function TranscriptPanel({
+  workspaceId,
   taskWorkbenchClient,
   task,
   activeTabId,
@@ -80,7 +201,18 @@ const TranscriptPanel = memo(function TranscriptPanel({
   rightSidebarCollapsed,
   onToggleRightSidebar,
   onNavigateToUsage,
+  terminalTabOpen,
+  onOpenTerminalTab,
+  onCloseTerminalTab,
+  terminalProcessTabs,
+  onTerminalProcessTabsChange,
+  terminalActiveTabId,
+  onTerminalActiveTabIdChange,
+  terminalCustomNames,
+  onTerminalCustomNamesChange,
+  mobile,
 }: {
+  workspaceId: string;
   taskWorkbenchClient: ReturnType<typeof getTaskWorkbenchClient>;
   task: Task;
   activeTabId: string | null;
@@ -97,8 +229,20 @@ const TranscriptPanel = memo(function TranscriptPanel({
   rightSidebarCollapsed?: boolean;
   onToggleRightSidebar?: () => void;
   onNavigateToUsage?: () => void;
+  terminalTabOpen?: boolean;
+  onOpenTerminalTab?: () => void;
+  onCloseTerminalTab?: () => void;
+  terminalProcessTabs?: ProcessTab[];
+  onTerminalProcessTabsChange?: (tabs: ProcessTab[]) => void;
+  terminalActiveTabId?: string | null;
+  onTerminalActiveTabIdChange?: (id: string | null) => void;
+  terminalCustomNames?: Record<string, string>;
+  onTerminalCustomNamesChange?: (names: Record<string, string>) => void;
+  mobile?: boolean;
 }) {
   const t = useFoundryTokens();
+  const transcriptAppSnapshot = useMockAppSnapshot();
+  const currentUser = activeMockUser(transcriptAppSnapshot);
   const [defaultModel, setDefaultModel] = useState<ModelId>("claude-sonnet-4");
   const [editingField, setEditingField] = useState<"title" | "branch" | null>(null);
   const [editValue, setEditValue] = useState("");
@@ -111,9 +255,11 @@ const TranscriptPanel = memo(function TranscriptPanel({
   const textareaRef = useRef<HTMLTextAreaElement>(null);
   const messageRefs = useRef(new Map<string, HTMLDivElement>());
   const activeDiff = activeTabId && isDiffTab(activeTabId) ? diffPath(activeTabId) : null;
-  const activeAgentTab = activeDiff ? null : (task.tabs.find((candidate) => candidate.id === activeTabId) ?? task.tabs[0] ?? null);
+  const activeTerminal = activeTabId && isTerminalTab(activeTabId) ? true : false;
+  const activeAgentTab = activeDiff || activeTerminal ? null : (task.tabs.find((candidate) => candidate.id === activeTabId) ?? task.tabs[0] ?? null);
   const promptTab = task.tabs.find((candidate) => candidate.id === lastAgentTabId) ?? task.tabs[0] ?? null;
   const isTerminal = task.status === "archived";
+  useAgentDoneNotification(promptTab?.status);
   const historyEvents = useMemo(() => buildHistoryEvents(task.tabs), [task.tabs]);
   const activeMessages = useMemo(() => buildDisplayMessages(activeAgentTab), [activeAgentTab]);
   const draft = promptTab?.draft.text ?? "";
@@ -271,7 +417,7 @@ const TranscriptPanel = memo(function TranscriptPanel({
     (tabId: string) => {
       onSetActiveTabId(tabId);
 
-      if (!isDiffTab(tabId)) {
+      if (!isDiffTab(tabId) && !isTerminalTab(tabId)) {
         onSetLastAgentTabId(tabId);
         const tab = task.tabs.find((candidate) => candidate.id === tabId);
         if (tab?.unread) {
@@ -448,28 +594,30 @@ const TranscriptPanel = memo(function TranscriptPanel({
 
   return (
     <SPanel>
-      <TranscriptHeader
-        task={task}
-        activeTab={activeAgentTab}
-        editingField={editingField}
-        editValue={editValue}
-        onEditValueChange={setEditValue}
-        onStartEditingField={startEditingField}
-        onCommitEditingField={commitEditingField}
-        onCancelEditingField={cancelEditingField}
-        onSetActiveTabUnread={(unread) => {
-          if (activeAgentTab) {
-            setTabUnread(activeAgentTab.id, unread);
-          }
-        }}
-        sidebarCollapsed={sidebarCollapsed}
-        onToggleSidebar={onToggleSidebar}
-        onSidebarPeekStart={onSidebarPeekStart}
-        onSidebarPeekEnd={onSidebarPeekEnd}
-        rightSidebarCollapsed={rightSidebarCollapsed}
-        onToggleRightSidebar={onToggleRightSidebar}
-        onNavigateToUsage={onNavigateToUsage}
-      />
+      {!mobile && (
+        <TranscriptHeader
+          task={task}
+          activeTab={activeAgentTab}
+          editingField={editingField}
+          editValue={editValue}
+          onEditValueChange={setEditValue}
+          onStartEditingField={startEditingField}
+          onCommitEditingField={commitEditingField}
+          onCancelEditingField={cancelEditingField}
+          onSetActiveTabUnread={(unread) => {
+            if (activeAgentTab) {
+              setTabUnread(activeAgentTab.id, unread);
+            }
+          }}
+          sidebarCollapsed={sidebarCollapsed}
+          onToggleSidebar={onToggleSidebar}
+          onSidebarPeekStart={onSidebarPeekStart}
+          onSidebarPeekEnd={onSidebarPeekEnd}
+          rightSidebarCollapsed={rightSidebarCollapsed}
+          onToggleRightSidebar={onToggleRightSidebar}
+          onNavigateToUsage={onNavigateToUsage}
+        />
+      )}
       <div
         style={{
           flex: 1,
@@ -478,11 +626,15 @@ const TranscriptPanel = memo(function TranscriptPanel({
           flexDirection: "column",
           backgroundColor: t.surfacePrimary,
           overflow: "hidden",
-          borderTopLeftRadius: "12px",
-          borderTopRightRadius: rightSidebarCollapsed ? "12px" : 0,
-          borderBottomLeftRadius: "24px",
-          borderBottomRightRadius: rightSidebarCollapsed ? "24px" : 0,
-          border: `1px solid ${t.borderDefault}`,
+          ...(mobile
+            ? {}
+            : {
+                borderTopLeftRadius: "12px",
+                borderTopRightRadius: rightSidebarCollapsed ? "12px" : 0,
+                borderBottomLeftRadius: "24px",
+                borderBottomRightRadius: rightSidebarCollapsed ? "24px" : 0,
+                border: `1px solid ${t.borderDefault}`,
+              }),
         }}
       >
         <TabStrip
@@ -500,9 +652,26 @@ const TranscriptPanel = memo(function TranscriptPanel({
           onCloseTab={closeTab}
           onCloseDiffTab={closeDiffTab}
           onAddTab={addTab}
+          terminalTabOpen={terminalTabOpen}
+          onCloseTerminalTab={onCloseTerminalTab}
           sidebarCollapsed={sidebarCollapsed}
         />
-        {activeDiff ? (
+        {activeTerminal ? (
+          <div style={{ flex: 1, minHeight: 0, display: "flex", flexDirection: "column" }}>
+            <TerminalPane
+              workspaceId={workspaceId}
+              taskId={task.id}
+              isExpanded
+              hideHeader
+              processTabs={terminalProcessTabs}
+              onProcessTabsChange={onTerminalProcessTabsChange}
+              activeProcessTabId={terminalActiveTabId}
+              onActiveProcessTabIdChange={onTerminalActiveTabIdChange}
+              customTabNames={terminalCustomNames}
+              onCustomTabNamesChange={onTerminalCustomNamesChange}
+            />
+          </div>
+        ) : activeDiff ? (
           <DiffContent
             filePath={activeDiff}
             file={task.fileChanges.find((file) => file.path === activeDiff)}
@@ -563,25 +732,30 @@ const TranscriptPanel = memo(function TranscriptPanel({
                 void copyMessage(message);
               }}
               thinkingTimerLabel={thinkingTimerLabel}
+              userName={currentUser?.name ?? null}
+              userAvatarUrl={currentUser?.avatarUrl ?? null}
             />
           </ScrollBody>
         )}
-        {!isTerminal && promptTab ? (
-          <PromptComposer
-            draft={draft}
-            textareaRef={textareaRef}
-            placeholder={!promptTab.created ? "Describe your task..." : "Send a message..."}
-            attachments={attachments}
-            defaultModel={defaultModel}
-            model={promptTab.model}
-            isRunning={promptTab.status === "running"}
-            onDraftChange={(value) => updateDraft(value, attachments)}
-            onSend={sendMessage}
-            onStop={stopAgent}
-            onRemoveAttachment={removeAttachment}
-            onChangeModel={changeModel}
-            onSetDefaultModel={setDefaultModel}
-          />
+        {!isTerminal && !activeTerminal && promptTab ? (
+          <>
+            <TypingIndicator presence={task.presence} currentUserId={currentUser?.id ?? null} />
+            <PromptComposer
+              draft={draft}
+              textareaRef={textareaRef}
+              placeholder={!promptTab.created ? "Describe your task..." : "Send a message..."}
+              attachments={attachments}
+              defaultModel={defaultModel}
+              model={promptTab.model}
+              isRunning={promptTab.status === "running"}
+              onDraftChange={(value) => updateDraft(value, attachments)}
+              onSend={sendMessage}
+              onStop={stopAgent}
+              onRemoveAttachment={removeAttachment}
+              onChangeModel={changeModel}
+              onSetDefaultModel={setDefaultModel}
+            />
+          </>
         ) : null}
       </div>
     </SPanel>
@@ -670,6 +844,14 @@ const RightRail = memo(function RightRail({
   onRevertFile,
   onPublishPr,
   onToggleSidebar,
+  onOpenTerminalTab,
+  terminalTabOpen,
+  terminalProcessTabs,
+  onTerminalProcessTabsChange,
+  terminalActiveTabId,
+  onTerminalActiveTabIdChange,
+  terminalCustomNames,
+  onTerminalCustomNamesChange,
 }: {
   workspaceId: string;
   task: Task;
@@ -679,6 +861,14 @@ const RightRail = memo(function RightRail({
   onRevertFile: (path: string) => void;
   onPublishPr: () => void;
   onToggleSidebar?: () => void;
+  onOpenTerminalTab?: () => void;
+  terminalTabOpen?: boolean;
+  terminalProcessTabs?: ProcessTab[];
+  onTerminalProcessTabsChange?: (tabs: ProcessTab[]) => void;
+  terminalActiveTabId?: string | null;
+  onTerminalActiveTabIdChange?: (id: string | null) => void;
+  terminalCustomNames?: Record<string, string>;
+  onTerminalCustomNamesChange?: (names: Record<string, string>) => void;
 }) {
   const [css] = useStyletron();
   const t = useFoundryTokens();
@@ -761,6 +951,13 @@ const RightRail = memo(function RightRail({
           minWidth: 0,
           display: "flex",
           flexDirection: "column",
+          ...(terminalTabOpen
+            ? {
+                borderBottomRightRadius: "12px",
+                borderBottom: `1px solid ${t.borderDefault}`,
+                overflow: "hidden",
+              }
+            : {}),
         })}
       >
         <RightSidebar
@@ -775,14 +972,14 @@ const RightRail = memo(function RightRail({
       </div>
       <div
         className={css({
-          height: `${terminalHeight}px`,
-          minHeight: "43px",
+          height: terminalTabOpen ? 0 : `${terminalHeight}px`,
+          minHeight: terminalTabOpen ? 0 : "43px",
           backgroundColor: t.surfacePrimary,
           overflow: "hidden",
           borderBottomRightRadius: "12px",
-          borderRight: `1px solid ${t.borderDefault}`,
-          borderBottom: `1px solid ${t.borderDefault}`,
-          display: "flex",
+          borderRight: terminalTabOpen ? "none" : `1px solid ${t.borderDefault}`,
+          borderBottom: terminalTabOpen ? "none" : `1px solid ${t.borderDefault}`,
+          display: terminalTabOpen ? "none" : "flex",
           flexDirection: "column",
         })}
       >
@@ -802,6 +999,13 @@ const RightRail = memo(function RightRail({
           onCollapse={() => {
             setTerminalHeight(43);
           }}
+          onOpenTerminalTab={onOpenTerminalTab}
+          processTabs={terminalProcessTabs}
+          onProcessTabsChange={onTerminalProcessTabsChange}
+          activeProcessTabId={terminalActiveTabId}
+          onActiveProcessTabIdChange={onTerminalActiveTabIdChange}
+          customTabNames={terminalCustomNames}
+          onCustomTabNamesChange={onTerminalCustomNamesChange}
         />
       </div>
     </div>
@@ -909,6 +1113,11 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
       void navigate({ to: "/organizations/$organizationId/billing" as never, params: { organizationId: activeOrg.id } });
     }
   }, [activeOrg, navigate]);
+  const navigateToSettings = useCallback(() => {
+    if (activeOrg) {
+      void navigate({ to: "/organizations/$organizationId/settings" as never, params: { organizationId: activeOrg.id } as never });
+    }
+  }, [activeOrg, navigate]);
   const [projectOrder, setProjectOrder] = useState<string[] | null>(null);
   const projects = useMemo(() => {
     if (!projectOrder) return rawProjects;
@@ -922,6 +1131,10 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
   const [activeTabIdByTask, setActiveTabIdByTask] = useState<Record<string, string | null>>({});
   const [lastAgentTabIdByTask, setLastAgentTabIdByTask] = useState<Record<string, string | null>>({});
   const [openDiffsByTask, setOpenDiffsByTask] = useState<Record<string, string[]>>({});
+  const [terminalTabOpenByTask, setTerminalTabOpenByTask] = useState<Record<string, boolean>>({});
+  const [terminalProcessTabsByTask, setTerminalProcessTabsByTask] = useState<Record<string, ProcessTab[]>>({});
+  const [terminalActiveTabIdByTask, setTerminalActiveTabIdByTask] = useState<Record<string, string | null>>({});
+  const [terminalCustomNamesByTask, setTerminalCustomNamesByTask] = useState<Record<string, Record<string, string>>>({});
   const [selectedNewTaskRepoId, setSelectedNewTaskRepoId] = useState("");
   const [leftWidth, setLeftWidth] = useState(() => readStoredWidth(LEFT_WIDTH_STORAGE_KEY, LEFT_SIDEBAR_DEFAULT_WIDTH));
   const [rightWidth, setRightWidth] = useState(() => readStoredWidth(RIGHT_WIDTH_STORAGE_KEY, RIGHT_SIDEBAR_DEFAULT_WIDTH));
@@ -1021,6 +1234,10 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
   }, [activeTask, tasks, navigate, workspaceId]);
 
   const openDiffs = activeTask ? sanitizeOpenDiffs(activeTask, openDiffsByTask[activeTask.id]) : [];
+  const terminalTabOpen = activeTask ? (terminalTabOpenByTask[activeTask.id] ?? false) : false;
+  const terminalProcessTabs = activeTask ? (terminalProcessTabsByTask[activeTask.id] ?? []) : [];
+  const terminalActiveTabId = activeTask ? (terminalActiveTabIdByTask[activeTask.id] ?? null) : null;
+  const terminalCustomNames = activeTask ? (terminalCustomNamesByTask[activeTask.id] ?? {}) : {};
   const lastAgentTabId = activeTask ? sanitizeLastAgentTabId(activeTask, lastAgentTabIdByTask[activeTask.id]) : null;
   const activeTabId = activeTask ? sanitizeActiveTabId(activeTask, activeTabIdByTask[activeTask.id], openDiffs, lastAgentTabId) : null;
 
@@ -1115,29 +1332,32 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
     })();
   }, [activeTask, selectedSessionId, syncRouteSession, taskWorkbenchClient]);
 
-  const createTask = useCallback(() => {
-    void (async () => {
-      const repoId = selectedNewTaskRepoId;
-      if (!repoId) {
-        throw new Error("Cannot create a task without an available repo");
-      }
+  const createTask = useCallback(
+    (overrideRepoId?: string) => {
+      void (async () => {
+        const repoId = overrideRepoId || selectedNewTaskRepoId;
+        if (!repoId) {
+          throw new Error("Cannot create a task without an available repo");
+        }
 
-      const { taskId, tabId } = await taskWorkbenchClient.createTask({
-        repoId,
-        task: "New task",
-        model: "gpt-4o",
-        title: "New task",
-      });
-      await navigate({
-        to: "/workspaces/$workspaceId/tasks/$taskId",
-        params: {
-          workspaceId,
-          taskId,
-        },
-        search: { sessionId: tabId ?? undefined },
-      });
-    })();
-  }, [navigate, selectedNewTaskRepoId, workspaceId]);
+        const { taskId, tabId } = await taskWorkbenchClient.createTask({
+          repoId,
+          task: "New task",
+          model: "gpt-4o",
+          title: "New task",
+        });
+        await navigate({
+          to: "/workspaces/$workspaceId/tasks/$taskId",
+          params: {
+            workspaceId,
+            taskId,
+          },
+          search: { sessionId: tabId ?? undefined },
+        });
+      })();
+    },
+    [navigate, selectedNewTaskRepoId, workspaceId],
+  );
 
   const openDiffTab = useCallback(
     (path: string) => {
@@ -1163,6 +1383,46 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
     [activeTask],
   );
 
+  const openTerminalTab = useCallback(() => {
+    if (!activeTask) return;
+    setTerminalTabOpenByTask((current) => ({ ...current, [activeTask.id]: true }));
+    setActiveTabIdByTask((current) => ({ ...current, [activeTask.id]: terminalTabId() }));
+  }, [activeTask]);
+
+  const closeTerminalTab = useCallback(() => {
+    if (!activeTask) return;
+    setTerminalTabOpenByTask((current) => ({ ...current, [activeTask.id]: false }));
+    const currentActive = activeTabIdByTask[activeTask.id];
+    if (currentActive && isTerminalTab(currentActive)) {
+      const fallback = lastAgentTabIdByTask[activeTask.id] ?? activeTask.tabs[0]?.id ?? null;
+      setActiveTabIdByTask((current) => ({ ...current, [activeTask.id]: fallback }));
+    }
+  }, [activeTask, activeTabIdByTask, lastAgentTabIdByTask]);
+
+  const setTerminalProcessTabs = useCallback(
+    (tabs: ProcessTab[]) => {
+      if (!activeTask) return;
+      setTerminalProcessTabsByTask((current) => ({ ...current, [activeTask.id]: tabs }));
+    },
+    [activeTask],
+  );
+
+  const setTerminalActiveTabId = useCallback(
+    (id: string | null) => {
+      if (!activeTask) return;
+      setTerminalActiveTabIdByTask((current) => ({ ...current, [activeTask.id]: id }));
+    },
+    [activeTask],
+  );
+
+  const setTerminalCustomNames = useCallback(
+    (names: Record<string, string>) => {
+      if (!activeTask) return;
+      setTerminalCustomNamesByTask((current) => ({ ...current, [activeTask.id]: names }));
+    },
+    [activeTask],
+  );
+
   const selectTask = useCallback(
     (id: string) => {
       const task = tasks.find((candidate) => candidate.id === id) ?? null;
@@ -1265,6 +1525,8 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
     [activeTask, lastAgentTabIdByTask],
   );
 
+  const isMobile = useIsMobile();
+
   const isDesktop = !!import.meta.env.VITE_DESKTOP;
   const onDragMouseDown = useCallback((event: ReactPointerEvent) => {
     if (event.button !== 0) return;
@@ -1274,6 +1536,58 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
       ipc.invoke("plugin:window|start_dragging").catch(() => {});
     }
   }, []);
+
+  // Mobile layout: single-panel stack navigation with bottom tab bar
+  if (isMobile && activeTask) {
+    return (
+      <MobileLayout
+        workspaceId={workspaceId}
+        task={activeTask}
+        tasks={tasks}
+        projects={projects}
+        repos={viewModel.repos}
+        selectedNewTaskRepoId={selectedNewTaskRepoId}
+        onSelectNewTaskRepo={setSelectedNewTaskRepoId}
+        onSelectTask={selectTask}
+        onCreateTask={createTask}
+        onMarkUnread={markTaskUnread}
+        onRenameTask={renameTask}
+        onRenameBranch={renameBranch}
+        onReorderProjects={reorderProjects}
+        taskOrderByProject={taskOrderByProject}
+        onReorderTasks={reorderTasks}
+        activeTabId={activeTabId}
+        transcriptPanel={
+          <TranscriptPanel
+            workspaceId={workspaceId}
+            taskWorkbenchClient={taskWorkbenchClient}
+            task={activeTask}
+            activeTabId={activeTabId}
+            lastAgentTabId={lastAgentTabId}
+            openDiffs={openDiffs}
+            onSyncRouteSession={syncRouteSession}
+            onSetActiveTabId={(tabId) => setActiveTabIdByTask((current) => ({ ...current, [activeTask.id]: tabId }))}
+            onSetLastAgentTabId={(tabId) => setLastAgentTabIdByTask((current) => ({ ...current, [activeTask.id]: tabId }))}
+            onSetOpenDiffs={(paths) => setOpenDiffsByTask((current) => ({ ...current, [activeTask.id]: paths }))}
+            onNavigateToUsage={navigateToUsage}
+            mobile
+          />
+        }
+        onOpenDiff={openDiffTab}
+        onArchive={archiveTask}
+        onRevertFile={revertFile}
+        onPublishPr={publishPr}
+        terminalProcessTabs={terminalProcessTabs}
+        onTerminalProcessTabsChange={setTerminalProcessTabs}
+        terminalActiveTabId={terminalActiveTabId}
+        onTerminalActiveTabIdChange={setTerminalActiveTabId}
+        terminalCustomNames={terminalCustomNames}
+        onTerminalCustomNamesChange={setTerminalCustomNames}
+        onOpenSettings={navigateToSettings}
+      />
+    );
+  }
+
   const dragRegion = isDesktop ? (
     <div
       style={{
@@ -1310,11 +1624,11 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
     alignItems: "center",
     justifyContent: "center",
     cursor: "pointer",
-    color: t.textTertiary,
+    color: t.textPrimary,
     position: "relative",
     zIndex: 9999,
     flexShrink: 0,
-    ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
+    ":hover": { color: t.textPrimary, backgroundColor: t.interactiveHover },
   });
 
   const sidebarTransition = "width 200ms ease";
@@ -1370,15 +1684,19 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
               {!leftSidebarOpen || !rightSidebarOpen ? (
                 <div style={{ display: "flex", alignItems: "center", padding: "8px 8px 0 8px" }}>
                   {leftSidebarOpen ? null : (
-                    <div className={collapsedToggleClass} onClick={() => setLeftSidebarOpen(true)}>
-                      <PanelLeft size={14} />
-                    </div>
+                    <Tooltip label="Toggle sidebar" placement="bottom">
+                      <div className={collapsedToggleClass} onClick={() => setLeftSidebarOpen(true)}>
+                        <PanelLeft size={14} />
+                      </div>
+                    </Tooltip>
                   )}
                   <div style={{ flex: 1 }} />
                   {rightSidebarOpen ? null : (
-                    <div className={collapsedToggleClass} onClick={() => setRightSidebarOpen(true)}>
-                      <PanelRight size={14} />
-                    </div>
+                    <Tooltip label="Toggle changes" placement="bottom">
+                      <div className={collapsedToggleClass} onClick={() => setRightSidebarOpen(true)}>
+                        <PanelRight size={14} />
+                      </div>
+                    </Tooltip>
                   )}
                 </div>
               ) : null}
@@ -1409,7 +1727,7 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
                     </p>
                     <button
                       type="button"
-                      onClick={createTask}
+                      onClick={() => createTask()}
                       disabled={viewModel.repos.length === 0}
                       style={{
                         alignSelf: "center",
@@ -1543,6 +1861,7 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
           {leftSidebarOpen ? <PanelResizeHandle onResizeStart={onLeftResizeStart} onResize={onLeftResize} /> : null}
           <div style={{ flex: 1, minWidth: 0, display: "flex", flexDirection: "column" }}>
             <TranscriptPanel
+              workspaceId={workspaceId}
               taskWorkbenchClient={taskWorkbenchClient}
               task={activeTask}
               activeTabId={activeTabId}
@@ -1568,6 +1887,15 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
               rightSidebarCollapsed={!rightSidebarOpen}
               onToggleRightSidebar={() => setRightSidebarOpen(true)}
               onNavigateToUsage={navigateToUsage}
+              terminalTabOpen={terminalTabOpen}
+              onOpenTerminalTab={openTerminalTab}
+              onCloseTerminalTab={closeTerminalTab}
+              terminalProcessTabs={terminalProcessTabs}
+              onTerminalProcessTabsChange={setTerminalProcessTabs}
+              terminalActiveTabId={terminalActiveTabId}
+              onTerminalActiveTabIdChange={setTerminalActiveTabId}
+              terminalCustomNames={terminalCustomNames}
+              onTerminalCustomNamesChange={setTerminalCustomNames}
             />
           </div>
           {rightSidebarOpen ? <PanelResizeHandle onResizeStart={onRightResizeStart} onResize={onRightResize} /> : null}
@@ -1592,6 +1920,14 @@ export function MockLayout({ workspaceId, selectedTaskId, selectedSessionId }: M
                 onRevertFile={revertFile}
                 onPublishPr={publishPr}
                 onToggleSidebar={() => setRightSidebarOpen(false)}
+                onOpenTerminalTab={openTerminalTab}
+                terminalTabOpen={terminalTabOpen}
+                terminalProcessTabs={terminalProcessTabs}
+                onTerminalProcessTabsChange={setTerminalProcessTabs}
+                terminalActiveTabId={terminalActiveTabId}
+                onTerminalActiveTabIdChange={setTerminalActiveTabId}
+                terminalCustomNames={terminalCustomNames}
+                onTerminalCustomNamesChange={setTerminalCustomNames}
               />
             </div>
           </div>

foundry/packages/frontend/src/components/mock-layout/history-minimap.tsx

@@ -4,6 +4,7 @@ import { LabelXSmall } from "baseui/typography";
 import { History } from "lucide-react";
 
 import { useFoundryTokens } from "../../app/theme";
+import { Tooltip } from "./ui";
 import { formatMessageTimestamp, type HistoryEvent } from "./view-model";
 
 export const HistoryMinimap = memo(function HistoryMinimap({ events, onSelect }: { events: HistoryEvent[]; onSelect: (event: HistoryEvent) => void }) {
@@ -41,29 +42,31 @@ export const HistoryMinimap = memo(function HistoryMinimap({ events, onSelect }:
         gap: "6px",
       })}
     >
-      <div
-        role="button"
-        tabIndex={0}
-        onClick={() => setOpen((prev) => !prev)}
-        onKeyDown={(e) => {
-          if (e.key === "Enter" || e.key === " ") setOpen((prev) => !prev);
-        }}
-        className={css({
-          width: "26px",
-          height: "26px",
-          borderRadius: "6px",
-          display: "flex",
-          alignItems: "center",
-          justifyContent: "center",
-          cursor: "pointer",
-          color: open ? t.textSecondary : t.textTertiary,
-          backgroundColor: open ? t.interactiveHover : "transparent",
-          transition: "background 200ms ease, color 200ms ease",
-          ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
-        })}
-      >
-        <History size={14} />
-      </div>
+      <Tooltip label="History" placement="left">
+        <div
+          role="button"
+          tabIndex={0}
+          onClick={() => setOpen((prev) => !prev)}
+          onKeyDown={(e) => {
+            if (e.key === "Enter" || e.key === " ") setOpen((prev) => !prev);
+          }}
+          className={css({
+            width: "26px",
+            height: "26px",
+            borderRadius: "6px",
+            display: "flex",
+            alignItems: "center",
+            justifyContent: "center",
+            cursor: "pointer",
+            color: open ? t.textSecondary : t.textTertiary,
+            backgroundColor: open ? t.interactiveHover : "transparent",
+            transition: "background 200ms ease, color 200ms ease",
+            ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
+          })}
+        >
+          <History size={14} />
+        </div>
+      </Tooltip>
 
       {open ? (
         <div

foundry/packages/frontend/src/components/mock-layout/message-list.tsx

@@ -14,11 +14,15 @@ const TranscriptMessageBody = memo(function TranscriptMessageBody({
   messageRefs,
   copiedMessageId,
   onCopyMessage,
+  userName,
+  userAvatarUrl,
 }: {
   message: Message;
   messageRefs: MutableRefObject<Map<string, HTMLDivElement>>;
   copiedMessageId: string | null;
   onCopyMessage: (message: Message) => void;
+  userName?: string | null;
+  userAvatarUrl?: string | null;
 }) {
   const [css] = useStyletron();
   const t = useFoundryTokens();
@@ -81,12 +85,52 @@ const TranscriptMessageBody = memo(function TranscriptMessageBody({
         className={css({
           display: "flex",
           alignItems: "center",
-          gap: "10px",
+          gap: "6px",
           justifyContent: isUser ? "flex-end" : "flex-start",
           minHeight: "16px",
           paddingLeft: isUser ? undefined : "2px",
         })}
       >
+        {isUser && (userAvatarUrl || userName) ? (
+          <>
+            {userAvatarUrl ? (
+              <img
+                src={userAvatarUrl}
+                alt=""
+                className={css({
+                  width: "18px",
+                  height: "18px",
+                  borderRadius: "50%",
+                  objectFit: "cover",
+                  flexShrink: 0,
+                })}
+              />
+            ) : userName ? (
+              <div
+                className={css({
+                  width: "18px",
+                  height: "18px",
+                  borderRadius: "50%",
+                  backgroundColor: t.borderMedium,
+                  display: "flex",
+                  alignItems: "center",
+                  justifyContent: "center",
+                  fontSize: "10px",
+                  fontWeight: 600,
+                  color: t.textSecondary,
+                  flexShrink: 0,
+                })}
+              >
+                {userName.charAt(0).toUpperCase()}
+              </div>
+            ) : null}
+            {userName ? (
+              <LabelXSmall color={t.textTertiary} $style={{ fontWeight: 500 }}>
+                {userName}
+              </LabelXSmall>
+            ) : null}
+          </>
+        ) : null}
         {displayFooter ? (
           <LabelXSmall color={t.textTertiary} $style={{ fontFamily: '"IBM Plex Mono", monospace', letterSpacing: "0.01em" }}>
             {displayFooter}
@@ -130,6 +174,8 @@ export const MessageList = memo(function MessageList({
   copiedMessageId,
   onCopyMessage,
   thinkingTimerLabel,
+  userName,
+  userAvatarUrl,
 }: {
   tab: AgentTab | null | undefined;
   scrollRef: Ref<HTMLDivElement>;
@@ -139,6 +185,8 @@ export const MessageList = memo(function MessageList({
   copiedMessageId: string | null;
   onCopyMessage: (message: Message) => void;
   thinkingTimerLabel: string | null;
+  userName?: string | null;
+  userAvatarUrl?: string | null;
 }) {
   const [css] = useStyletron();
   const t = useFoundryTokens();
@@ -238,7 +286,16 @@ export const MessageList = memo(function MessageList({
                 return null;
               }
 
-              return <TranscriptMessageBody message={message} messageRefs={messageRefs} copiedMessageId={copiedMessageId} onCopyMessage={onCopyMessage} />;
+              return (
+                <TranscriptMessageBody
+                  message={message}
+                  messageRefs={messageRefs}
+                  copiedMessageId={copiedMessageId}
+                  onCopyMessage={onCopyMessage}
+                  userName={userName}
+                  userAvatarUrl={userAvatarUrl}
+                />
+              );
             }}
             isThinking={Boolean(tab && tab.status === "running" && transcriptEntries.length > 0)}
             renderThinkingState={() => (

foundry/packages/frontend/src/components/mock-layout/mobile-layout.tsx

@@ -0,0 +1,338 @@
+import { memo, useCallback, useRef, useState } from "react";
+import { useStyletron } from "baseui";
+import { FileText, List, MessageSquare, Settings, Terminal as TerminalIcon } from "lucide-react";
+import { useFoundryTokens } from "../../app/theme";
+
+import type { WorkbenchProjectSection, WorkbenchRepo } from "@sandbox-agent/foundry-shared";
+import { RightSidebar } from "./right-sidebar";
+import { Sidebar } from "./sidebar";
+import { TerminalPane, type ProcessTab } from "./terminal-pane";
+import type { Task } from "./view-model";
+
+type MobileView = "tasks" | "chat" | "changes" | "terminal";
+const VIEW_ORDER: MobileView[] = ["tasks", "chat", "changes", "terminal"];
+
+const SWIPE_THRESHOLD = 50;
+const SWIPE_MAX_VERTICAL = 80;
+
+interface MobileLayoutProps {
+  workspaceId: string;
+  task: Task;
+  tasks: Task[];
+  projects: WorkbenchProjectSection[];
+  repos: WorkbenchRepo[];
+  selectedNewTaskRepoId: string;
+  onSelectNewTaskRepo: (id: string) => void;
+  onSelectTask: (id: string) => void;
+  onCreateTask: (repoId?: string) => void;
+  onMarkUnread: (id: string) => void;
+  onRenameTask: (id: string) => void;
+  onRenameBranch: (id: string) => void;
+  onReorderProjects: (from: number, to: number) => void;
+  taskOrderByProject: Record<string, string[]>;
+  onReorderTasks: (projectId: string, from: number, to: number) => void;
+  // Transcript panel (rendered by parent)
+  transcriptPanel: React.ReactNode;
+  // Diff/file actions
+  onOpenDiff: (path: string) => void;
+  onArchive: () => void;
+  onRevertFile: (path: string) => void;
+  onPublishPr: () => void;
+  // Tab state
+  activeTabId: string | null;
+  // Terminal state
+  terminalProcessTabs: ProcessTab[];
+  onTerminalProcessTabsChange: (tabs: ProcessTab[]) => void;
+  terminalActiveTabId: string | null;
+  onTerminalActiveTabIdChange: (id: string | null) => void;
+  terminalCustomNames: Record<string, string>;
+  onTerminalCustomNamesChange: (names: Record<string, string>) => void;
+  onOpenSettings?: () => void;
+}
+
+export const MobileLayout = memo(function MobileLayout(props: MobileLayoutProps) {
+  const [css] = useStyletron();
+  const t = useFoundryTokens();
+  const [activeView, setActiveView] = useState<MobileView>("tasks");
+
+  // Swipe gesture tracking
+  const touchStartRef = useRef<{ x: number; y: number } | null>(null);
+
+  const handleTouchStart = useCallback((e: React.TouchEvent) => {
+    const touch = e.touches[0];
+    if (touch) {
+      touchStartRef.current = { x: touch.clientX, y: touch.clientY };
+    }
+  }, []);
+
+  const handleTouchEnd = useCallback(
+    (e: React.TouchEvent) => {
+      const start = touchStartRef.current;
+      const touch = e.changedTouches[0];
+      if (!start || !touch) return;
+      touchStartRef.current = null;
+
+      const dx = touch.clientX - start.x;
+      const dy = touch.clientY - start.y;
+
+      if (Math.abs(dx) < SWIPE_THRESHOLD || Math.abs(dy) > SWIPE_MAX_VERTICAL) return;
+
+      const currentIndex = VIEW_ORDER.indexOf(activeView);
+      if (dx > 0 && currentIndex > 0) {
+        // Swipe right -> go back
+        setActiveView(VIEW_ORDER[currentIndex - 1]!);
+      } else if (dx < 0 && currentIndex < VIEW_ORDER.length - 1) {
+        // Swipe left -> go forward
+        setActiveView(VIEW_ORDER[currentIndex + 1]!);
+      }
+    },
+    [activeView],
+  );
+
+  const handleSelectTask = useCallback(
+    (id: string) => {
+      props.onSelectTask(id);
+      setActiveView("chat");
+    },
+    [props.onSelectTask],
+  );
+
+  return (
+    <div
+      className={css({
+        display: "flex",
+        flexDirection: "column",
+        height: "100dvh",
+        backgroundColor: t.surfacePrimary,
+        paddingTop: "max(var(--safe-area-top), 47px)",
+        overflow: "hidden",
+        position: "fixed",
+        top: 0,
+        left: 0,
+        right: 0,
+        bottom: 0,
+      })}
+    >
+      {/* Header - show task info when not on tasks view */}
+      {activeView !== "tasks" && <MobileHeader task={props.task} />}
+
+      {/* Content area */}
+      <div
+        className={css({ flex: 1, minHeight: 0, display: "flex", flexDirection: "column", overflow: "hidden" })}
+        onTouchStart={handleTouchStart}
+        onTouchEnd={handleTouchEnd}
+      >
+        {activeView === "tasks" ? (
+          <div className={css({ flex: 1, minHeight: 0, overflow: "auto" })}>
+            <Sidebar
+              projects={props.projects}
+              newTaskRepos={props.repos}
+              selectedNewTaskRepoId={props.selectedNewTaskRepoId}
+              activeId={props.task.id}
+              onSelect={handleSelectTask}
+              onCreate={props.onCreateTask}
+              onSelectNewTaskRepo={props.onSelectNewTaskRepo}
+              onMarkUnread={props.onMarkUnread}
+              onRenameTask={props.onRenameTask}
+              onRenameBranch={props.onRenameBranch}
+              onReorderProjects={props.onReorderProjects}
+              taskOrderByProject={props.taskOrderByProject}
+              onReorderTasks={props.onReorderTasks}
+              onToggleSidebar={undefined}
+              hideSettings
+              panelStyle={{ backgroundColor: t.surfacePrimary }}
+            />
+          </div>
+        ) : activeView === "chat" ? (
+          <div className={css({ flex: 1, minHeight: 0, display: "flex", flexDirection: "column" })}>{props.transcriptPanel}</div>
+        ) : activeView === "changes" ? (
+          <div className={css({ flex: 1, minHeight: 0, display: "flex", flexDirection: "column" })}>
+            <RightSidebar
+              task={props.task}
+              activeTabId={props.activeTabId}
+              onOpenDiff={props.onOpenDiff}
+              onArchive={props.onArchive}
+              onRevertFile={props.onRevertFile}
+              onPublishPr={props.onPublishPr}
+              mobile
+            />
+          </div>
+        ) : (
+          <div className={css({ flex: 1, minHeight: 0, display: "flex", flexDirection: "column" })}>
+            <TerminalPane
+              workspaceId={props.workspaceId}
+              taskId={props.task.id}
+              hideHeader
+              processTabs={props.terminalProcessTabs}
+              onProcessTabsChange={props.onTerminalProcessTabsChange}
+              activeProcessTabId={props.terminalActiveTabId}
+              onActiveProcessTabIdChange={props.onTerminalActiveTabIdChange}
+              customTabNames={props.terminalCustomNames}
+              onCustomTabNamesChange={props.onTerminalCustomNamesChange}
+            />
+          </div>
+        )}
+      </div>
+
+      {/* Bottom tab bar - always fixed at bottom */}
+      <MobileTabBar
+        activeView={activeView}
+        onViewChange={setActiveView}
+        changesCount={Object.keys(props.task.diffs).length}
+        onOpenSettings={props.onOpenSettings}
+      />
+    </div>
+  );
+});
+
+function MobileHeader({ task }: { task: Task }) {
+  const [css] = useStyletron();
+  const t = useFoundryTokens();
+
+  return (
+    <div
+      className={css({
+        display: "flex",
+        alignItems: "center",
+        padding: "6px 12px",
+        gap: "8px",
+        flexShrink: 0,
+        borderBottom: `1px solid ${t.borderDefault}`,
+        minHeight: "40px",
+      })}
+    >
+      <div className={css({ flex: 1, minWidth: 0, overflow: "hidden" })}>
+        <div
+          className={css({
+            fontSize: "14px",
+            fontWeight: 600,
+            whiteSpace: "nowrap",
+            overflow: "hidden",
+            textOverflow: "ellipsis",
+          })}
+        >
+          {task.title}
+        </div>
+        <div
+          className={css({
+            fontSize: "11px",
+            color: t.textTertiary,
+            whiteSpace: "nowrap",
+            overflow: "hidden",
+            textOverflow: "ellipsis",
+          })}
+        >
+          {task.repoName}
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function MobileTabBar({
+  activeView,
+  onViewChange,
+  changesCount,
+  onOpenSettings,
+}: {
+  activeView: MobileView;
+  onViewChange: (view: MobileView) => void;
+  changesCount: number;
+  onOpenSettings?: () => void;
+}) {
+  const [css] = useStyletron();
+  const t = useFoundryTokens();
+
+  const tabs: { id: MobileView; icon: React.ReactNode; badge?: number }[] = [
+    { id: "tasks", icon: <List size={20} /> },
+    { id: "chat", icon: <MessageSquare size={20} /> },
+    { id: "changes", icon: <FileText size={20} />, badge: changesCount > 0 ? changesCount : undefined },
+    { id: "terminal", icon: <TerminalIcon size={20} /> },
+  ];
+
+  const iconButtonClass = css({
+    border: "none",
+    background: "transparent",
+    display: "flex",
+    alignItems: "center",
+    justifyContent: "center",
+    width: "42px",
+    height: "42px",
+    borderRadius: "12px",
+    cursor: "pointer",
+    position: "relative",
+    transition: "background 150ms ease, color 150ms ease",
+  });
+
+  return (
+    <div
+      className={css({
+        display: "flex",
+        alignItems: "center",
+        justifyContent: "center",
+        padding: "8px 16px",
+        paddingBottom: "calc(8px + var(--safe-area-bottom))",
+        flexShrink: 0,
+      })}
+    >
+      {/* Pill container */}
+      <div
+        className={css({
+          display: "flex",
+          alignItems: "center",
+          gap: "4px",
+          backgroundColor: t.surfaceElevated,
+          borderRadius: "16px",
+          padding: "4px",
+        })}
+      >
+        {tabs.map((tab) => {
+          const isActive = activeView === tab.id;
+          return (
+            <button
+              key={tab.id}
+              type="button"
+              onClick={() => onViewChange(tab.id)}
+              className={iconButtonClass}
+              style={{
+                background: isActive ? t.interactiveHover : "transparent",
+                color: isActive ? t.textPrimary : t.textTertiary,
+              }}
+            >
+              <div className={css({ position: "relative", display: "flex" })}>
+                {tab.icon}
+                {tab.badge ? (
+                  <div
+                    className={css({
+                      position: "absolute",
+                      top: "-4px",
+                      right: "-8px",
+                      backgroundColor: t.accent,
+                      color: "#fff",
+                      fontSize: "10px",
+                      fontWeight: 700,
+                      borderRadius: "8px",
+                      minWidth: "16px",
+                      height: "16px",
+                      display: "flex",
+                      alignItems: "center",
+                      justifyContent: "center",
+                      padding: "0 4px",
+                    })}
+                  >
+                    {tab.badge}
+                  </div>
+                ) : null}
+              </div>
+            </button>
+          );
+        })}
+        {onOpenSettings && (
+          <button type="button" onClick={onOpenSettings} className={iconButtonClass} style={{ color: t.textTertiary }}>
+            <Settings size={20} />
+          </button>
+        )}
+      </div>
+    </div>
+  );
+}

foundry/packages/frontend/src/components/mock-layout/right-sidebar.tsx

@@ -4,7 +4,7 @@ import { LabelSmall } from "baseui/typography";
 import { Archive, ArrowUpFromLine, ChevronRight, FileCode, FilePlus, FileX, FolderOpen, GitPullRequest, PanelRight } from "lucide-react";
 
 import { useFoundryTokens } from "../../app/theme";
-import { type ContextMenuItem, ContextMenuOverlay, PanelHeaderBar, SPanel, ScrollBody, useContextMenu } from "./ui";
+import { type ContextMenuItem, ContextMenuOverlay, PanelHeaderBar, SPanel, ScrollBody, Tooltip, useContextMenu } from "./ui";
 import { type FileTreeNode, type Task, diffTabId } from "./view-model";
 
 const FileTree = memo(function FileTree({
@@ -96,6 +96,7 @@ export const RightSidebar = memo(function RightSidebar({
   onRevertFile,
   onPublishPr,
   onToggleSidebar,
+  mobile,
 }: {
   task: Task;
   activeTabId: string | null;
@@ -104,6 +105,7 @@ export const RightSidebar = memo(function RightSidebar({
   onRevertFile: (path: string) => void;
   onPublishPr: () => void;
   onToggleSidebar?: () => void;
+  mobile?: boolean;
 }) {
   const [css] = useStyletron();
   const t = useFoundryTokens();
@@ -151,128 +153,138 @@ export const RightSidebar = memo(function RightSidebar({
 
   return (
     <SPanel $style={{ backgroundColor: t.surfacePrimary, minWidth: 0 }}>
-      <PanelHeaderBar $style={{ backgroundColor: t.surfaceSecondary, borderBottom: "none", overflow: "hidden" }}>
-        <div ref={headerRef} className={css({ display: "flex", alignItems: "center", flex: 1, minWidth: 0, justifyContent: "flex-end", gap: "2px" })}>
-          {!isTerminal ? (
-            <div className={css({ display: "flex", alignItems: "center", gap: "2px", flexShrink: 1, minWidth: 0 })}>
-              <button
-                onClick={() => {
-                  if (pullRequestUrl) {
-                    window.open(pullRequestUrl, "_blank", "noopener,noreferrer");
-                    return;
-                  }
+      {!mobile && (
+        <PanelHeaderBar $style={{ backgroundColor: t.surfaceSecondary, borderBottom: "none", overflow: "hidden" }}>
+          <div ref={headerRef} className={css({ display: "flex", alignItems: "center", flex: 1, minWidth: 0, justifyContent: "flex-end", gap: "2px" })}>
+            {!isTerminal ? (
+              <div className={css({ display: "flex", alignItems: "center", gap: "2px", flexShrink: 1, minWidth: 0 })}>
+                <Tooltip label={pullRequestUrl ? "Open PR" : "Publish PR"} placement="bottom">
+                  <button
+                    onClick={() => {
+                      if (pullRequestUrl) {
+                        window.open(pullRequestUrl, "_blank", "noopener,noreferrer");
+                        return;
+                      }
 
-                  onPublishPr();
-                }}
-                className={css({
-                  appearance: "none",
-                  WebkitAppearance: "none",
-                  background: "none",
-                  border: "none",
-                  margin: "0",
-                  boxSizing: "border-box",
-                  display: "inline-flex",
-                  alignItems: "center",
-                  gap: "5px",
-                  padding: compact ? "4px 6px" : "4px 10px",
-                  borderRadius: "6px",
-                  fontSize: "11px",
-                  fontWeight: 500,
-                  lineHeight: 1,
-                  whiteSpace: "nowrap",
-                  flexShrink: 0,
-                  color: t.textSecondary,
-                  cursor: "pointer",
-                  transition: "all 200ms ease",
-                  ":hover": { backgroundColor: t.interactiveHover, color: t.textPrimary },
-                })}
-              >
-                <GitPullRequest size={12} style={{ flexShrink: 0 }} />
-                {!compact && <span>{pullRequestUrl ? "Open PR" : "Publish PR"}</span>}
-              </button>
-              <button
-                className={css({
-                  appearance: "none",
-                  WebkitAppearance: "none",
-                  background: "none",
-                  border: "none",
-                  margin: "0",
-                  boxSizing: "border-box",
-                  display: "inline-flex",
-                  alignItems: "center",
-                  gap: "5px",
-                  padding: compact ? "4px 6px" : "4px 10px",
-                  borderRadius: "6px",
-                  fontSize: "11px",
-                  fontWeight: 500,
-                  lineHeight: 1,
-                  whiteSpace: "nowrap",
-                  flexShrink: 0,
-                  color: t.textSecondary,
-                  cursor: "pointer",
-                  transition: "all 200ms ease",
-                  ":hover": { backgroundColor: t.interactiveHover, color: t.textPrimary },
-                })}
-              >
-                <ArrowUpFromLine size={12} style={{ flexShrink: 0 }} />
-                {!compact && <span>Push</span>}
-              </button>
-              <button
-                onClick={onArchive}
-                className={css({
-                  appearance: "none",
-                  WebkitAppearance: "none",
-                  background: "none",
-                  border: "none",
-                  margin: "0",
-                  boxSizing: "border-box",
-                  display: "inline-flex",
-                  alignItems: "center",
-                  gap: "5px",
-                  padding: compact ? "4px 6px" : "4px 10px",
-                  borderRadius: "6px",
-                  fontSize: "11px",
-                  fontWeight: 500,
-                  lineHeight: 1,
-                  whiteSpace: "nowrap",
-                  flexShrink: 0,
-                  color: t.textSecondary,
-                  cursor: "pointer",
-                  transition: "all 200ms ease",
-                  ":hover": { backgroundColor: t.interactiveHover, color: t.textPrimary },
-                })}
-              >
-                <Archive size={12} style={{ flexShrink: 0 }} />
-                {!compact && <span>Archive</span>}
-              </button>
-            </div>
-          ) : null}
-          {onToggleSidebar ? (
-            <div
-              role="button"
-              tabIndex={0}
-              onClick={onToggleSidebar}
-              onKeyDown={(event) => {
-                if (event.key === "Enter" || event.key === " ") onToggleSidebar();
-              }}
-              className={css({
-                width: "26px",
-                height: "26px",
-                borderRadius: "6px",
-                color: t.textTertiary,
-                cursor: "pointer",
-                display: "flex",
-                alignItems: "center",
-                justifyContent: "center",
-                flexShrink: 0,
-                ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
-              })}
-            >
-              <PanelRight size={14} />
-            </div>
-          ) : null}
-        </div>
-      </PanelHeaderBar>
+                      onPublishPr();
+                    }}
+                    className={css({
+                      appearance: "none",
+                      WebkitAppearance: "none",
+                      background: "none",
+                      border: "none",
+                      margin: "0",
+                      boxSizing: "border-box",
+                      display: "inline-flex",
+                      alignItems: "center",
+                      gap: "5px",
+                      padding: compact ? "4px 6px" : "4px 10px",
+                      borderRadius: "6px",
+                      fontSize: "11px",
+                      fontWeight: 500,
+                      lineHeight: 1,
+                      whiteSpace: "nowrap",
+                      flexShrink: 0,
+                      color: t.textSecondary,
+                      cursor: "pointer",
+                      transition: "all 200ms ease",
+                      ":hover": { backgroundColor: t.interactiveHover, color: t.textPrimary },
+                    })}
+                  >
+                    <GitPullRequest size={12} style={{ flexShrink: 0 }} />
+                    {!compact && <span>{pullRequestUrl ? "Open PR" : "Publish PR"}</span>}
+                  </button>
+                </Tooltip>
+                <Tooltip label="Push" placement="bottom">
+                  <button
+                    className={css({
+                      appearance: "none",
+                      WebkitAppearance: "none",
+                      background: "none",
+                      border: "none",
+                      margin: "0",
+                      boxSizing: "border-box",
+                      display: "inline-flex",
+                      alignItems: "center",
+                      gap: "5px",
+                      padding: compact ? "4px 6px" : "4px 10px",
+                      borderRadius: "6px",
+                      fontSize: "11px",
+                      fontWeight: 500,
+                      lineHeight: 1,
+                      whiteSpace: "nowrap",
+                      flexShrink: 0,
+                      color: t.textSecondary,
+                      cursor: "pointer",
+                      transition: "all 200ms ease",
+                      ":hover": { backgroundColor: t.interactiveHover, color: t.textPrimary },
+                    })}
+                  >
+                    <ArrowUpFromLine size={12} style={{ flexShrink: 0 }} />
+                    {!compact && <span>Push</span>}
+                  </button>
+                </Tooltip>
+                <Tooltip label="Archive" placement="bottom">
+                  <button
+                    onClick={onArchive}
+                    className={css({
+                      appearance: "none",
+                      WebkitAppearance: "none",
+                      background: "none",
+                      border: "none",
+                      margin: "0",
+                      boxSizing: "border-box",
+                      display: "inline-flex",
+                      alignItems: "center",
+                      gap: "5px",
+                      padding: compact ? "4px 6px" : "4px 10px",
+                      borderRadius: "6px",
+                      fontSize: "11px",
+                      fontWeight: 500,
+                      lineHeight: 1,
+                      whiteSpace: "nowrap",
+                      flexShrink: 0,
+                      color: t.textSecondary,
+                      cursor: "pointer",
+                      transition: "all 200ms ease",
+                      ":hover": { backgroundColor: t.interactiveHover, color: t.textPrimary },
+                    })}
+                  >
+                    <Archive size={12} style={{ flexShrink: 0 }} />
+                    {!compact && <span>Archive</span>}
+                  </button>
+                </Tooltip>
+              </div>
+            ) : null}
+            {onToggleSidebar ? (
+              <Tooltip label="Toggle sidebar" placement="bottom">
+                <div
+                  role="button"
+                  tabIndex={0}
+                  onClick={onToggleSidebar}
+                  onKeyDown={(event) => {
+                    if (event.key === "Enter" || event.key === " ") onToggleSidebar();
+                  }}
+                  className={css({
+                    width: "26px",
+                    height: "26px",
+                    borderRadius: "6px",
+                    color: t.textTertiary,
+                    cursor: "pointer",
+                    display: "flex",
+                    alignItems: "center",
+                    justifyContent: "center",
+                    flexShrink: 0,
+                    ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
+                  })}
+                >
+                  <PanelRight size={14} />
+                </div>
+              </Tooltip>
+            ) : null}
+          </div>
+        </PanelHeaderBar>
+      )}
 
       <div
         style={{
@@ -280,9 +292,13 @@ export const RightSidebar = memo(function RightSidebar({
           minHeight: 0,
           display: "flex",
           flexDirection: "column",
-          borderTop: `1px solid ${t.borderDefault}`,
-          borderRight: `1px solid ${t.borderDefault}`,
-          borderTopRightRadius: "12px",
+          ...(mobile
+            ? {}
+            : {
+                borderTop: `1px solid ${t.borderDefault}`,
+                borderRight: `1px solid ${t.borderDefault}`,
+                borderTopRightRadius: "12px",
+              }),
           overflow: "hidden",
         }}
       >
@@ -296,7 +312,7 @@ export const RightSidebar = memo(function RightSidebar({
             height: "41px",
             minHeight: "41px",
             flexShrink: 0,
-            borderTopRightRadius: "12px",
+            ...(mobile ? {} : { borderTopRightRadius: "12px" }),
           })}
         >
           <button

foundry/packages/frontend/src/components/mock-layout/sidebar.tsx

@@ -10,7 +10,7 @@ import {
   CloudUpload,
   CreditCard,
   GitPullRequestDraft,
-  ListChecks,
+  List,
   LogOut,
   PanelLeft,
   Plus,
@@ -18,14 +18,166 @@ import {
   User,
 } from "lucide-react";
 
+import type { WorkbenchPresence } from "@sandbox-agent/foundry-shared";
 import { formatRelativeAge, type Task, type ProjectSection } from "./view-model";
-import { ContextMenuOverlay, TaskIndicator, PanelHeaderBar, SPanel, ScrollBody, useContextMenu } from "./ui";
+import { ContextMenuOverlay, TaskIndicator, PanelHeaderBar, SPanel, ScrollBody, Tooltip, useContextMenu } from "./ui";
 import { activeMockOrganization, eligibleOrganizations, useMockAppClient, useMockAppSnapshot } from "../../lib/mock-app";
 import { useFoundryTokens } from "../../app/theme";
 import type { FoundryTokens } from "../../styles/tokens";
 
 const PROJECT_COLORS = ["#6366f1", "#f59e0b", "#10b981", "#ef4444", "#8b5cf6", "#ec4899", "#06b6d4", "#f97316"];
 
+const AWAY_THRESHOLD_MS = 2 * 60 * 1000;
+
+const PresenceAvatar = memo(function PresenceAvatar({ member, idx, isAway }: { member: WorkbenchPresence; idx: number; isAway: boolean }) {
+  const [css] = useStyletron();
+  const t = useFoundryTokens();
+  const label = `${member.name}${isAway ? " (away)" : ""}`;
+
+  return (
+    <div
+      className={css({
+        position: "relative",
+        marginLeft: idx > 0 ? "-5px" : "0",
+        flexShrink: 0,
+        ":hover > div:last-child": {
+          opacity: 1,
+          transform: "translateX(-50%) translateY(0)",
+          pointerEvents: "auto",
+        },
+      })}
+    >
+      <div
+        className={css({
+          width: "18px",
+          height: "18px",
+          borderRadius: "50%",
+          border: `1.5px solid ${t.surfacePrimary}`,
+          overflow: "hidden",
+          backgroundColor: t.interactiveHover,
+          display: "flex",
+          alignItems: "center",
+          justifyContent: "center",
+          opacity: isAway ? 0.35 : 1,
+          filter: isAway ? "grayscale(1)" : "none",
+          transition: "opacity 0.3s, filter 0.3s",
+        })}
+      >
+        {member.avatarUrl ? (
+          <img src={member.avatarUrl} alt={member.name} className={css({ width: "100%", height: "100%", objectFit: "cover", display: "block" })} />
+        ) : (
+          <span className={css({ fontSize: "9px", fontWeight: 600, color: t.textTertiary })}>{member.name.charAt(0).toUpperCase()}</span>
+        )}
+      </div>
+      <div
+        className={css({
+          position: "absolute",
+          bottom: "calc(100% + 6px)",
+          left: "50%",
+          transform: "translateX(-50%) translateY(4px)",
+          padding: "4px 8px",
+          borderRadius: "6px",
+          backgroundColor: "rgba(32, 32, 32, 0.98)",
+          backdropFilter: "blur(12px)",
+          border: `1px solid ${t.borderDefault}`,
+          boxShadow: "0 4px 12px rgba(0, 0, 0, 0.4)",
+          color: "#e0e0e0",
+          fontSize: "10px",
+          fontWeight: 500,
+          whiteSpace: "nowrap",
+          pointerEvents: "none",
+          opacity: 0,
+          transition: "opacity 150ms ease, transform 150ms ease",
+          zIndex: 300,
+        })}
+      >
+        {label}
+      </div>
+    </div>
+  );
+});
+
+const PresenceAvatars = memo(function PresenceAvatars({ presence }: { presence: WorkbenchPresence[] }) {
+  const [css] = useStyletron();
+  const t = useFoundryTokens();
+  const maxShow = 3;
+  const visible = presence.slice(0, maxShow);
+  const overflow = presence.length - maxShow;
+  const now = Date.now();
+
+  return (
+    <div className={css({ display: "flex", alignItems: "center", gap: "6px", paddingLeft: "22px", paddingTop: "2px" })}>
+      <div className={css({ display: "flex", alignItems: "center" })}>
+        {visible.map((member, idx) => {
+          const isAway = now - member.lastSeenAtMs > AWAY_THRESHOLD_MS;
+          return <PresenceAvatar key={member.memberId} member={member} idx={idx} isAway={isAway} />;
+        })}
+        {overflow > 0 && (
+          <div
+            className={css({
+              position: "relative",
+              marginLeft: "-5px",
+              flexShrink: 0,
+              ":hover > div:last-child": {
+                opacity: 1,
+                transform: "translateX(-50%) translateY(0)",
+                pointerEvents: "auto",
+              },
+            })}
+          >
+            <div
+              className={css({
+                width: "18px",
+                height: "18px",
+                borderRadius: "50%",
+                border: `1.5px solid ${t.surfacePrimary}`,
+                backgroundColor: t.interactiveHover,
+                display: "flex",
+                alignItems: "center",
+                justifyContent: "center",
+              })}
+            >
+              <span className={css({ fontSize: "8px", fontWeight: 600, color: t.textTertiary })}>+{overflow}</span>
+            </div>
+            <div
+              className={css({
+                position: "absolute",
+                bottom: "calc(100% + 6px)",
+                left: "50%",
+                transform: "translateX(-50%) translateY(4px)",
+                padding: "4px 8px",
+                borderRadius: "6px",
+                backgroundColor: "rgba(32, 32, 32, 0.98)",
+                backdropFilter: "blur(12px)",
+                border: `1px solid ${t.borderDefault}`,
+                boxShadow: "0 4px 12px rgba(0, 0, 0, 0.4)",
+                color: "#e0e0e0",
+                fontSize: "10px",
+                fontWeight: 500,
+                whiteSpace: "nowrap",
+                pointerEvents: "none",
+                opacity: 0,
+                transition: "opacity 150ms ease, transform 150ms ease",
+                zIndex: 300,
+              })}
+            >
+              {presence
+                .slice(maxShow)
+                .map((m) => m.name)
+                .join(", ")}
+            </div>
+          </div>
+        )}
+      </div>
+      {presence.length <= 2 && (
+        <span className={css({ fontSize: "10px", color: t.textTertiary, overflow: "hidden", textOverflow: "ellipsis", whiteSpace: "nowrap" })}>
+          {presence.map((m) => m.name).join(", ")}
+        </span>
+      )}
+    </div>
+  );
+});
+
 function projectInitial(label: string): string {
   const parts = label.split("/");
   const name = parts[parts.length - 1] ?? label;
@@ -55,13 +207,15 @@ export const Sidebar = memo(function Sidebar({
   taskOrderByProject,
   onReorderTasks,
   onToggleSidebar,
+  hideSettings,
+  panelStyle,
 }: {
   projects: ProjectSection[];
   newTaskRepos: Array<{ id: string; label: string }>;
   selectedNewTaskRepoId: string;
   activeId: string;
   onSelect: (id: string) => void;
-  onCreate: () => void;
+  onCreate: (repoId?: string) => void;
   onSelectNewTaskRepo: (repoId: string) => void;
   onMarkUnread: (id: string) => void;
   onRenameTask: (id: string) => void;
@@ -70,6 +224,8 @@ export const Sidebar = memo(function Sidebar({
   taskOrderByProject: Record<string, string[]>;
   onReorderTasks: (projectId: string, fromIndex: number, toIndex: number) => void;
   onToggleSidebar?: () => void;
+  hideSettings?: boolean;
+  panelStyle?: Record<string, string>;
 }) {
   const [css] = useStyletron();
   const t = useFoundryTokens();
@@ -90,6 +246,7 @@ export const Sidebar = memo(function Sidebar({
   // Attach global mousemove/mouseup when dragging
   useEffect(() => {
     if (!drag) return;
+    document.body.style.cursor = "grabbing";
     const onMove = (e: MouseEvent) => {
       // Detect which element is under the cursor using data attributes
       const el = document.elementFromPoint(e.clientX, e.clientY);
@@ -132,6 +289,7 @@ export const Sidebar = memo(function Sidebar({
     document.addEventListener("mousemove", onMove);
     document.addEventListener("mouseup", onUp);
     return () => {
+      document.body.style.cursor = "";
       document.removeEventListener("mousemove", onMove);
       document.removeEventListener("mouseup", onUp);
     };
@@ -152,12 +310,12 @@ export const Sidebar = memo(function Sidebar({
   }, [createMenuOpen]);
 
   return (
-    <SPanel>
+    <SPanel $style={panelStyle}>
       <style>{`
-        [data-project-header]:hover [data-chevron] {
+        [data-project-header] [data-chevron] {
           display: inline-flex !important;
         }
-        [data-project-header]:hover [data-project-icon] {
+        [data-project-header] [data-project-icon] {
           display: none !important;
         }
       `}</style>
@@ -175,6 +333,43 @@ export const Sidebar = memo(function Sidebar({
           })}
         >
           {onToggleSidebar ? (
+            <Tooltip label="Toggle sidebar" placement="bottom">
+              <div
+                role="button"
+                tabIndex={0}
+                onClick={onToggleSidebar}
+                onKeyDown={(event) => {
+                  if (event.key === "Enter" || event.key === " ") onToggleSidebar();
+                }}
+                className={css({
+                  width: "26px",
+                  height: "26px",
+                  borderRadius: "6px",
+                  color: t.textTertiary,
+                  cursor: "pointer",
+                  display: "flex",
+                  alignItems: "center",
+                  justifyContent: "center",
+                  flexShrink: 0,
+                  ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
+                })}
+              >
+                <PanelLeft size={14} />
+              </div>
+            </Tooltip>
+          ) : null}
+        </div>
+      ) : null}
+      <PanelHeaderBar $style={{ backgroundColor: "transparent", borderBottom: "none" }}>
+        <LabelSmall
+          color={t.textPrimary}
+          $style={{ fontWeight: 600, flex: 1, fontSize: "16px", display: "flex", alignItems: "center", gap: "6px", lineHeight: 1 }}
+        >
+          <List size={16} />
+          Tasks
+        </LabelSmall>
+        {!import.meta.env.VITE_DESKTOP && onToggleSidebar ? (
+          <Tooltip label="Toggle sidebar" placement="bottom">
             <div
               role="button"
               tabIndex={0}
@@ -197,84 +392,53 @@ export const Sidebar = memo(function Sidebar({
             >
               <PanelLeft size={14} />
             </div>
-          ) : null}
-        </div>
-      ) : null}
-      <PanelHeaderBar $style={{ backgroundColor: "transparent", borderBottom: "none" }}>
-        <LabelSmall
-          color={t.textPrimary}
-          $style={{ fontWeight: 500, flex: 1, fontSize: "13px", display: "flex", alignItems: "center", gap: "6px", lineHeight: 1 }}
-        >
-          <ListChecks size={14} />
-          Tasks
-        </LabelSmall>
-        {!import.meta.env.VITE_DESKTOP && onToggleSidebar ? (
-          <div
-            role="button"
-            tabIndex={0}
-            onClick={onToggleSidebar}
-            onKeyDown={(event) => {
-              if (event.key === "Enter" || event.key === " ") onToggleSidebar();
-            }}
-            className={css({
-              width: "26px",
-              height: "26px",
-              borderRadius: "6px",
-              color: t.textTertiary,
-              cursor: "pointer",
-              display: "flex",
-              alignItems: "center",
-              justifyContent: "center",
-              flexShrink: 0,
-              ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
-            })}
-          >
-            <PanelLeft size={14} />
-          </div>
+          </Tooltip>
         ) : null}
         <div ref={createMenuRef} className={css({ position: "relative", flexShrink: 0 })}>
-          <div
-            role="button"
-            tabIndex={0}
-            aria-disabled={newTaskRepos.length === 0}
-            onClick={() => {
-              if (newTaskRepos.length === 0) return;
-              if (newTaskRepos.length === 1) {
-                onSelectNewTaskRepo(newTaskRepos[0]!.id);
-                onCreate();
-              } else {
-                setCreateMenuOpen((prev) => !prev);
-              }
-            }}
-            onKeyDown={(event) => {
-              if (newTaskRepos.length === 0) return;
-              if (event.key === "Enter" || event.key === " ") {
+          <Tooltip label="New task" placement="bottom">
+            <div
+              role="button"
+              tabIndex={0}
+              aria-disabled={newTaskRepos.length === 0}
+              onClick={() => {
+                if (newTaskRepos.length === 0) return;
                 if (newTaskRepos.length === 1) {
                   onSelectNewTaskRepo(newTaskRepos[0]!.id);
-                  onCreate();
+                  onCreate(newTaskRepos[0]!.id);
                 } else {
                   setCreateMenuOpen((prev) => !prev);
                 }
-              }
-            }}
-            className={css({
-              width: "26px",
-              height: "26px",
-              borderRadius: "8px",
-              backgroundColor: newTaskRepos.length > 0 ? t.borderMedium : t.interactiveHover,
-              color: t.textPrimary,
-              cursor: newTaskRepos.length > 0 ? "pointer" : "not-allowed",
-              display: "flex",
-              alignItems: "center",
-              justifyContent: "center",
-              transition: "background 200ms ease",
-              flexShrink: 0,
-              opacity: newTaskRepos.length > 0 ? 1 : 0.6,
-              ":hover": newTaskRepos.length > 0 ? { backgroundColor: "rgba(255, 255, 255, 0.20)" } : undefined,
-            })}
-          >
-            <Plus size={14} style={{ display: "block" }} />
-          </div>
+              }}
+              onKeyDown={(event) => {
+                if (newTaskRepos.length === 0) return;
+                if (event.key === "Enter" || event.key === " ") {
+                  if (newTaskRepos.length === 1) {
+                    onSelectNewTaskRepo(newTaskRepos[0]!.id);
+                    onCreate(newTaskRepos[0]!.id);
+                  } else {
+                    setCreateMenuOpen((prev) => !prev);
+                  }
+                }
+              }}
+              className={css({
+                width: "26px",
+                height: "26px",
+                borderRadius: "8px",
+                backgroundColor: newTaskRepos.length > 0 ? t.borderMedium : t.interactiveHover,
+                color: t.textPrimary,
+                cursor: newTaskRepos.length > 0 ? "pointer" : "not-allowed",
+                display: "flex",
+                alignItems: "center",
+                justifyContent: "center",
+                transition: "background 200ms ease",
+                flexShrink: 0,
+                opacity: newTaskRepos.length > 0 ? 1 : 0.6,
+                ":hover": newTaskRepos.length > 0 ? { backgroundColor: "rgba(255, 255, 255, 0.20)" } : undefined,
+              })}
+            >
+              <Plus size={14} style={{ display: "block" }} />
+            </div>
+          </Tooltip>
           {createMenuOpen && newTaskRepos.length > 1 ? (
             <div
               className={css({
@@ -303,7 +467,7 @@ export const Sidebar = memo(function Sidebar({
                   onClick={() => {
                     onSelectNewTaskRepo(repo.id);
                     setCreateMenuOpen(false);
-                    onCreate();
+                    onCreate(repo.id);
                   }}
                   className={css({
                     display: "flex",
@@ -442,9 +606,31 @@ export const Sidebar = memo(function Sidebar({
                       >
                         {projectInitial(project.label)}
                       </span>
-                      <span className={css({ position: "absolute", inset: 0, display: "none", alignItems: "center", justifyContent: "center" })} data-chevron>
+                      <button
+                        onClick={(e) => {
+                          e.stopPropagation();
+                          setCollapsedProjects((current) => ({
+                            ...current,
+                            [project.id]: !current[project.id],
+                          }));
+                        }}
+                        onMouseDown={(e) => e.stopPropagation()}
+                        className={css({
+                          position: "absolute",
+                          inset: 0,
+                          display: "none",
+                          alignItems: "center",
+                          justifyContent: "center",
+                          cursor: "pointer",
+                          background: "none",
+                          border: "none",
+                          padding: 0,
+                          margin: 0,
+                        })}
+                        data-chevron
+                      >
                         {isCollapsed ? <ChevronDown size={12} color={t.textTertiary} /> : <ChevronUp size={12} color={t.textTertiary} />}
-                      </span>
+                      </button>
                     </div>
                     <LabelSmall
                       color={t.textSecondary}
@@ -468,7 +654,7 @@ export const Sidebar = memo(function Sidebar({
                         e.stopPropagation();
                         setHoveredProjectId(null);
                         onSelectNewTaskRepo(project.id);
-                        onCreate();
+                        onCreate(project.id);
                       }}
                       onMouseDown={(e) => e.stopPropagation()}
                       className={css({
@@ -543,7 +729,7 @@ export const Sidebar = memo(function Sidebar({
                           position: "relative",
                           backgroundColor: isActive ? t.interactiveHover : "transparent",
                           opacity: isTaskBeingDragged ? 0.4 : 1,
-                          cursor: "pointer",
+                          cursor: drag?.type === "task" ? "grabbing" : "pointer",
                           transition: "all 150ms ease",
                           "::before": {
                             content: '""',
@@ -607,6 +793,7 @@ export const Sidebar = memo(function Sidebar({
                             {formatRelativeAge(task.updatedAtMs)}
                           </LabelXSmall>
                         </div>
+                        {task.presence.length > 0 && <PresenceAvatars presence={task.presence} />}
                       </div>
                     );
                   })}
@@ -658,7 +845,7 @@ export const Sidebar = memo(function Sidebar({
           />
         </div>
       </ScrollBody>
-      <SidebarFooter />
+      {!hideSettings && <SidebarFooter />}
       {contextMenu.menu ? <ContextMenuOverlay menu={contextMenu.menu} onClose={contextMenu.close} /> : null}
     </SPanel>
   );
@@ -945,34 +1132,36 @@ function SidebarFooter() {
         </div>
       ) : null}
       <div className={css({ padding: "8px" })}>
-        <button
-          type="button"
-          onClick={() => {
-            setOpen((prev) => {
-              if (prev) setWorkspaceFlyoutOpen(false);
-              return !prev;
-            });
-          }}
-          className={css({
-            display: "flex",
-            alignItems: "center",
-            justifyContent: "center",
-            width: "28px",
-            height: "28px",
-            borderRadius: "6px",
-            border: "none",
-            background: open ? t.interactiveHover : "transparent",
-            color: open ? t.textPrimary : t.textTertiary,
-            cursor: "pointer",
-            transition: "all 160ms ease",
-            ":hover": {
-              backgroundColor: t.interactiveHover,
-              color: t.textSecondary,
-            },
-          })}
-        >
-          <Settings size={14} />
-        </button>
+        <Tooltip label="Settings" placement="right">
+          <button
+            type="button"
+            onClick={() => {
+              setOpen((prev) => {
+                if (prev) setWorkspaceFlyoutOpen(false);
+                return !prev;
+              });
+            }}
+            className={css({
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              width: "28px",
+              height: "28px",
+              borderRadius: "6px",
+              border: "none",
+              background: open ? t.interactiveHover : "transparent",
+              color: open ? t.textPrimary : t.textTertiary,
+              cursor: "pointer",
+              transition: "all 160ms ease",
+              ":hover": {
+                backgroundColor: t.interactiveHover,
+                color: t.textSecondary,
+              },
+            })}
+          >
+            <Settings size={14} />
+          </button>
+        </Tooltip>
       </div>
     </div>
   );

foundry/packages/frontend/src/components/mock-layout/tab-strip.tsx

@@ -1,11 +1,11 @@
 import { memo } from "react";
 import { useStyletron } from "baseui";
 import { LabelXSmall } from "baseui/typography";
-import { FileCode, Plus, X } from "lucide-react";
+import { FileCode, Plus, SquareTerminal, X } from "lucide-react";
 
 import { useFoundryTokens } from "../../app/theme";
-import { ContextMenuOverlay, TabAvatar, useContextMenu } from "./ui";
-import { diffTabId, fileName, type Task } from "./view-model";
+import { ContextMenuOverlay, TabAvatar, Tooltip, useContextMenu } from "./ui";
+import { diffTabId, fileName, terminalTabId, type Task } from "./view-model";
 
 export const TabStrip = memo(function TabStrip({
   task,
@@ -22,6 +22,8 @@ export const TabStrip = memo(function TabStrip({
   onCloseTab,
   onCloseDiffTab,
   onAddTab,
+  terminalTabOpen,
+  onCloseTerminalTab,
   sidebarCollapsed,
 }: {
   task: Task;
@@ -38,6 +40,8 @@ export const TabStrip = memo(function TabStrip({
   onCloseTab: (tabId: string) => void;
   onCloseDiffTab: (path: string) => void;
   onAddTab: () => void;
+  terminalTabOpen?: boolean;
+  onCloseTerminalTab?: () => void;
   sidebarCollapsed?: boolean;
 }) {
   const [css] = useStyletron();
@@ -216,21 +220,71 @@ export const TabStrip = memo(function TabStrip({
             </div>
           );
         })}
-        <div
-          onClick={onAddTab}
-          className={css({
-            display: "flex",
-            alignItems: "center",
-            padding: "0 10px",
-            cursor: "pointer",
-            opacity: 0.4,
-            lineHeight: 0,
-            ":hover": { opacity: 0.7 },
-            flexShrink: 0,
-          })}
-        >
-          <Plus size={14} color={t.textTertiary} />
-        </div>
+        {terminalTabOpen
+          ? (() => {
+              const tabId = terminalTabId();
+              const isActive = tabId === activeTabId;
+              return (
+                <div
+                  key={tabId}
+                  onClick={() => onSwitchTab(tabId)}
+                  onMouseDown={(event) => {
+                    if (event.button === 1) {
+                      event.preventDefault();
+                      onCloseTerminalTab?.();
+                    }
+                  }}
+                  data-tab
+                  className={css({
+                    display: "flex",
+                    alignItems: "center",
+                    gap: "6px",
+                    padding: "4px 12px",
+                    marginTop: "6px",
+                    marginBottom: "6px",
+                    borderRadius: "8px",
+                    backgroundColor: isActive ? t.interactiveHover : "transparent",
+                    cursor: "pointer",
+                    transition: "color 200ms ease, background-color 200ms ease",
+                    flexShrink: 0,
+                    ":hover": { color: t.textPrimary, backgroundColor: isActive ? t.interactiveHover : t.interactiveSubtle },
+                  })}
+                >
+                  <SquareTerminal size={12} color={isActive ? t.textPrimary : t.textSecondary} />
+                  <LabelXSmall color={isActive ? t.textPrimary : t.textSecondary} $style={{ fontWeight: 500 }}>
+                    Terminal
+                  </LabelXSmall>
+                  <X
+                    size={11}
+                    color={t.textTertiary}
+                    data-tab-close
+                    className={css({ cursor: "pointer", opacity: 0 })}
+                    onClick={(event) => {
+                      event.stopPropagation();
+                      onCloseTerminalTab?.();
+                    }}
+                  />
+                </div>
+              );
+            })()
+          : null}
+        <Tooltip label="New session" placement="bottom">
+          <div
+            onClick={onAddTab}
+            className={css({
+              display: "flex",
+              alignItems: "center",
+              padding: "0 10px",
+              cursor: "pointer",
+              opacity: 0.4,
+              lineHeight: 0,
+              ":hover": { opacity: 0.7 },
+              flexShrink: 0,
+            })}
+          >
+            <Plus size={14} color={t.textTertiary} />
+          </div>
+        </Tooltip>
       </div>
       {contextMenu.menu ? <ContextMenuOverlay menu={contextMenu.menu} onClose={contextMenu.close} /> : null}
     </>

foundry/packages/frontend/src/components/mock-layout/terminal-pane.tsx

@@ -3,7 +3,7 @@ import { ProcessTerminal } from "@sandbox-agent/react";
 import { useQuery } from "@tanstack/react-query";
 import { useStyletron } from "baseui";
 import { useFoundryTokens } from "../../app/theme";
-import { ChevronDown, ChevronUp, Plus, SquareTerminal, Trash2 } from "lucide-react";
+import { ArrowUpLeft, ChevronDown, ChevronUp, Plus, SquareTerminal, Trash2 } from "lucide-react";
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { SandboxAgent } from "sandbox-agent";
 import { backendClient } from "../../lib/backend";
@@ -12,11 +12,21 @@ interface TerminalPaneProps {
   workspaceId: string;
   taskId: string | null;
   isExpanded?: boolean;
+  hideHeader?: boolean;
   onExpand?: () => void;
   onCollapse?: () => void;
   onStartResize?: (e: React.PointerEvent) => void;
+  onOpenTerminalTab?: () => void;
+  processTabs?: ProcessTab[];
+  onProcessTabsChange?: (tabs: ProcessTab[]) => void;
+  activeProcessTabId?: string | null;
+  onActiveProcessTabIdChange?: (id: string | null) => void;
+  customTabNames?: Record<string, string>;
+  onCustomTabNamesChange?: (names: Record<string, string>) => void;
 }
 
+export type { ProcessTab };
+
 interface ProcessTab {
   id: string;
   processId: string;
@@ -94,15 +104,66 @@ function HeaderIconButton({
   );
 }
 
-export function TerminalPane({ workspaceId, taskId, isExpanded, onExpand, onCollapse, onStartResize }: TerminalPaneProps) {
+export function TerminalPane({
+  workspaceId,
+  taskId,
+  isExpanded,
+  hideHeader,
+  onExpand,
+  onCollapse,
+  onStartResize,
+  onOpenTerminalTab,
+  processTabs: controlledProcessTabs,
+  onProcessTabsChange,
+  activeProcessTabId: controlledActiveTabId,
+  onActiveProcessTabIdChange,
+  customTabNames: controlledCustomTabNames,
+  onCustomTabNamesChange,
+}: TerminalPaneProps) {
   const [css] = useStyletron();
   const t = useFoundryTokens();
-  const [activeTabId, setActiveTabId] = useState<string | null>(null);
-  const [processTabs, setProcessTabs] = useState<ProcessTab[]>([]);
+  const [internalActiveTabId, setInternalActiveTabId] = useState<string | null>(null);
+  const [internalProcessTabs, setInternalProcessTabs] = useState<ProcessTab[]>([]);
   const [creatingProcess, setCreatingProcess] = useState(false);
   const [hoveredTabId, setHoveredTabId] = useState<string | null>(null);
   const [terminalClient, setTerminalClient] = useState<SandboxAgent | null>(null);
-  const [customTabNames, setCustomTabNames] = useState<Record<string, string>>({});
+  const [internalCustomTabNames, setInternalCustomTabNames] = useState<Record<string, string>>({});
+
+  const processTabs = controlledProcessTabs ?? internalProcessTabs;
+  const setProcessTabs = useCallback(
+    (update: ProcessTab[] | ((prev: ProcessTab[]) => ProcessTab[])) => {
+      if (onProcessTabsChange) {
+        const next = typeof update === "function" ? update(controlledProcessTabs ?? []) : update;
+        onProcessTabsChange(next);
+      } else {
+        setInternalProcessTabs(update);
+      }
+    },
+    [onProcessTabsChange, controlledProcessTabs],
+  );
+  const activeTabId = controlledActiveTabId !== undefined ? controlledActiveTabId : internalActiveTabId;
+  const setActiveTabId = useCallback(
+    (id: string | null) => {
+      if (onActiveProcessTabIdChange) {
+        onActiveProcessTabIdChange(id);
+      } else {
+        setInternalActiveTabId(id);
+      }
+    },
+    [onActiveProcessTabIdChange],
+  );
+  const customTabNames = controlledCustomTabNames ?? internalCustomTabNames;
+  const setCustomTabNames = useCallback(
+    (update: Record<string, string> | ((prev: Record<string, string>) => Record<string, string>)) => {
+      if (onCustomTabNamesChange) {
+        const next = typeof update === "function" ? update(controlledCustomTabNames ?? {}) : update;
+        onCustomTabNamesChange(next);
+      } else {
+        setInternalCustomTabNames(update);
+      }
+    },
+    [onCustomTabNamesChange, controlledCustomTabNames],
+  );
   const [editingTabId, setEditingTabId] = useState<string | null>(null);
   const editInputRef = useRef<HTMLInputElement>(null);
 
@@ -135,7 +196,7 @@ export function TerminalPane({ workspaceId, taskId, isExpanded, onExpand, onColl
         setProcessTabs((prev) => {
           const next = [...prev];
           const [moved] = next.splice(d.fromIdx, 1);
-          next.splice(d.overIdx!, 0, moved);
+          if (moved) next.splice(d.overIdx!, 0, moved);
           return next;
         });
       }
@@ -306,43 +367,48 @@ export function TerminalPane({ workspaceId, taskId, isExpanded, onExpand, onColl
     };
   }, [terminalClient]);
 
+  // Only reset on taskId change when using internal (uncontrolled) state.
+  // When controlled, the parent (MockLayout) owns per-task state via keyed records.
   useEffect(() => {
-    setActiveTabId(null);
-    setProcessTabs([]);
-  }, [taskId]);
+    if (!controlledProcessTabs) {
+      setActiveTabId(null);
+      setProcessTabs([]);
+    }
+  }, [taskId]); // eslint-disable-line react-hooks/exhaustive-deps
 
   const processes = processesQuery.data?.processes ?? [];
 
-  const openTerminalTab = useCallback((process: SandboxProcessRecord) => {
-    setProcessTabs((current) => {
-      const existing = current.find((tab) => tab.processId === process.id);
-      if (existing) {
-        setActiveTabId(existing.id);
-        return current;
-      }
-
-      const nextTab: ProcessTab = {
-        id: `terminal:${process.id}`,
-        processId: process.id,
-        title: formatProcessTabTitle(process, current.length + 1),
-      };
-      setActiveTabId(nextTab.id);
-      return [...current, nextTab];
-    });
-  }, []);
-
-  const closeTerminalTab = useCallback((tabId: string) => {
-    setProcessTabs((current) => {
-      const next = current.filter((tab) => tab.id !== tabId);
-      setActiveTabId((currentActive) => {
-        if (currentActive === tabId) {
-          return next.length > 0 ? next[next.length - 1]!.id : null;
+  const openTerminalTab = useCallback(
+    (process: SandboxProcessRecord) => {
+      setProcessTabs((current) => {
+        const existing = current.find((tab) => tab.processId === process.id);
+        if (existing) {
+          setActiveTabId(existing.id);
+          return current;
         }
-        return currentActive;
+
+        const nextTab: ProcessTab = {
+          id: `terminal:${process.id}`,
+          processId: process.id,
+          title: formatProcessTabTitle(process, current.length + 1),
+        };
+        setActiveTabId(nextTab.id);
+        return [...current, nextTab];
       });
-      return next;
-    });
-  }, []);
+    },
+    [setProcessTabs, setActiveTabId],
+  );
+
+  const closeTerminalTab = useCallback(
+    (tabId: string) => {
+      const next = processTabs.filter((tab) => tab.id !== tabId);
+      setProcessTabs(next);
+      if (activeTabId === tabId) {
+        setActiveTabId(next.length > 0 ? next[next.length - 1]!.id : null);
+      }
+    },
+    [processTabs, activeTabId, setProcessTabs, setActiveTabId],
+  );
 
   const spawnTerminal = useCallback(async () => {
     if (!activeSandbox?.sandboxId) {
@@ -527,25 +593,27 @@ export function TerminalPane({ workspaceId, taskId, isExpanded, onExpand, onColl
         overflow: "hidden",
       })}
     >
-      {/* Resize handle */}
-      <div
-        onPointerDown={onStartResize}
-        className={css({
-          height: "3px",
-          flexShrink: 0,
-          cursor: "ns-resize",
-          position: "relative",
-          "::before": {
-            content: '""',
-            position: "absolute",
-            top: "-2px",
-            left: 0,
-            right: 0,
-            height: "7px",
-          },
-        })}
-      />
-      {/* Full-width header bar */}
+      {/* Resize handle — hidden when in tab view */}
+      {!hideHeader && (
+        <div
+          onPointerDown={onStartResize}
+          className={css({
+            height: "3px",
+            flexShrink: 0,
+            cursor: "ns-resize",
+            position: "relative",
+            "::before": {
+              content: '""',
+              position: "absolute",
+              top: "-2px",
+              left: 0,
+              right: 0,
+              height: "7px",
+            },
+          })}
+        />
+      )}
+      {/* Header bar — in tab view, only show action buttons (no title/expand/chevron) */}
       <div
         className={css({
           display: "flex",
@@ -554,13 +622,17 @@ export function TerminalPane({ workspaceId, taskId, isExpanded, onExpand, onColl
           minHeight: "39px",
           maxHeight: "39px",
           padding: "0 14px",
-          borderTop: `1px solid ${t.borderDefault}`,
+          borderTop: hideHeader ? "none" : `1px solid ${t.borderDefault}`,
           backgroundColor: t.surfacePrimary,
           flexShrink: 0,
         })}
       >
-        <SquareTerminal size={14} color={t.textTertiary} />
-        <span className={css({ fontSize: "12px", fontWeight: 600, color: t.textSecondary })}>Terminal</span>
+        {!hideHeader && (
+          <>
+            <SquareTerminal size={14} color={t.textTertiary} />
+            <span className={css({ fontSize: "12px", fontWeight: 600, color: t.textSecondary })}>Terminal</span>
+          </>
+        )}
         <div className={css({ flex: 1 })} />
         <div className={css({ display: "flex", alignItems: "center", gap: "2px" })}>
           <HeaderIconButton
@@ -585,14 +657,21 @@ export function TerminalPane({ workspaceId, taskId, isExpanded, onExpand, onColl
           >
             <Trash2 size={13} />
           </HeaderIconButton>
-          <HeaderIconButton css={css} t={t} label={isExpanded ? "Collapse terminal" : "Expand terminal"} onClick={isExpanded ? onCollapse : onExpand}>
-            {isExpanded ? <ChevronDown size={14} /> : <ChevronUp size={14} />}
-          </HeaderIconButton>
+          {!hideHeader && onOpenTerminalTab ? (
+            <HeaderIconButton css={css} t={t} label="Open terminal in tab" onClick={onOpenTerminalTab}>
+              <ArrowUpLeft size={13} />
+            </HeaderIconButton>
+          ) : null}
+          {!hideHeader && (
+            <HeaderIconButton css={css} t={t} label={isExpanded ? "Collapse terminal" : "Expand terminal"} onClick={isExpanded ? onCollapse : onExpand}>
+              {isExpanded ? <ChevronDown size={14} /> : <ChevronUp size={14} />}
+            </HeaderIconButton>
+          )}
         </div>
       </div>
 
-      {/* Two-column body: terminal left, list right — hidden when no tabs */}
-      {processTabs.length > 0 && (
+      {/* Two-column body: terminal left, list right — visible when expanded or when tabs exist */}
+      {(processTabs.length > 0 || hideHeader) && (
         <div className={css({ flex: 1, minHeight: 0, display: "flex", flexDirection: "row" })}>
           {/* Left: terminal content */}
           <div className={css({ flex: 1, minWidth: 0, display: "flex", flexDirection: "column" })}>{renderBody()}</div>

foundry/packages/frontend/src/components/mock-layout/transcript-header.tsx

@@ -4,7 +4,7 @@ import { LabelSmall } from "baseui/typography";
 import { Clock, PanelLeft, PanelRight } from "lucide-react";
 
 import { useFoundryTokens } from "../../app/theme";
-import { PanelHeaderBar } from "./ui";
+import { PanelHeaderBar, Tooltip } from "./ui";
 import { type AgentTab, type Task } from "./view-model";
 
 export const TranscriptHeader = memo(function TranscriptHeader({
@@ -50,25 +50,27 @@ export const TranscriptHeader = memo(function TranscriptHeader({
   return (
     <PanelHeaderBar $style={{ backgroundColor: t.surfaceSecondary, borderBottom: "none", paddingLeft: needsTrafficLightInset ? "74px" : "14px" }}>
       {sidebarCollapsed && onToggleSidebar ? (
-        <div
-          className={css({
-            width: "26px",
-            height: "26px",
-            borderRadius: "6px",
-            display: "flex",
-            alignItems: "center",
-            justifyContent: "center",
-            cursor: "pointer",
-            color: t.textTertiary,
-            flexShrink: 0,
-            ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
-          })}
-          onClick={onToggleSidebar}
-          onMouseEnter={onSidebarPeekStart}
-          onMouseLeave={onSidebarPeekEnd}
-        >
-          <PanelLeft size={14} />
-        </div>
+        <Tooltip label="Toggle sidebar" placement="bottom">
+          <div
+            className={css({
+              width: "26px",
+              height: "26px",
+              borderRadius: "6px",
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              cursor: "pointer",
+              color: t.textTertiary,
+              flexShrink: 0,
+              ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
+            })}
+            onClick={onToggleSidebar}
+            onMouseEnter={onSidebarPeekStart}
+            onMouseLeave={onSidebarPeekEnd}
+          >
+            <PanelLeft size={14} />
+          </div>
+        </Tooltip>
       ) : null}
       {editingField === "title" ? (
         <input
@@ -190,23 +192,25 @@ export const TranscriptHeader = memo(function TranscriptHeader({
         <span>{task.minutesUsed ?? 0} min used</span>
       </div>
       {rightSidebarCollapsed && onToggleRightSidebar ? (
-        <div
-          className={css({
-            width: "26px",
-            height: "26px",
-            borderRadius: "6px",
-            display: "flex",
-            alignItems: "center",
-            justifyContent: "center",
-            cursor: "pointer",
-            color: t.textTertiary,
-            flexShrink: 0,
-            ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
-          })}
-          onClick={onToggleRightSidebar}
-        >
-          <PanelRight size={14} />
-        </div>
+        <Tooltip label="Toggle changes" placement="bottom">
+          <div
+            className={css({
+              width: "26px",
+              height: "26px",
+              borderRadius: "6px",
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              cursor: "pointer",
+              color: t.textTertiary,
+              flexShrink: 0,
+              ":hover": { color: t.textSecondary, backgroundColor: t.interactiveHover },
+            })}
+            onClick={onToggleRightSidebar}
+          >
+            <PanelRight size={14} />
+          </div>
+        </Tooltip>
       ) : null}
     </PanelHeaderBar>
   );

foundry/packages/frontend/src/components/mock-layout/ui.tsx

@@ -1,4 +1,5 @@
-import { memo, useCallback, useEffect, useState, type MouseEvent } from "react";
+import { memo, useCallback, useEffect, useRef, useState, type MouseEvent, type ReactNode } from "react";
+import { createPortal } from "react-dom";
 import { styled, useStyletron } from "baseui";
 import { GitPullRequest, GitPullRequestDraft } from "lucide-react";
 
@@ -210,6 +211,115 @@ export const ScrollBody = styled("div", () => ({
   flexDirection: "column" as const,
 }));
 
+export const Tooltip = memo(function Tooltip({
+  label,
+  children,
+  placement = "bottom",
+}: {
+  label: string;
+  children: ReactNode;
+  placement?: "top" | "bottom" | "left" | "right";
+}) {
+  const [css] = useStyletron();
+  const t = useFoundryTokens();
+  const triggerRef = useRef<HTMLDivElement>(null);
+  const tooltipRef = useRef<HTMLDivElement>(null);
+  const [pos, setPos] = useState<{ top: number; left: number } | null>(null);
+
+  const show = useCallback(() => {
+    const el = triggerRef.current;
+    if (!el) return;
+    const rect = el.getBoundingClientRect();
+    let top: number;
+    let left: number;
+    if (placement === "bottom") {
+      top = rect.bottom + 6;
+      left = rect.left + rect.width / 2;
+    } else if (placement === "top") {
+      top = rect.top - 6;
+      left = rect.left + rect.width / 2;
+    } else if (placement === "left") {
+      top = rect.top + rect.height / 2;
+      left = rect.left - 6;
+    } else {
+      top = rect.top + rect.height / 2;
+      left = rect.right + 6;
+    }
+    setPos({ top, left });
+  }, [placement]);
+
+  const hide = useCallback(() => setPos(null), []);
+
+  // Clamp tooltip position after it renders so it stays within the viewport
+  useEffect(() => {
+    if (!pos) return;
+    const tip = tooltipRef.current;
+    if (!tip) return;
+    const tipRect = tip.getBoundingClientRect();
+    const pad = 8;
+    let adjustLeft = 0;
+    let adjustTop = 0;
+    if (tipRect.right > window.innerWidth - pad) {
+      adjustLeft = window.innerWidth - pad - tipRect.right;
+    }
+    if (tipRect.left < pad) {
+      adjustLeft = pad - tipRect.left;
+    }
+    if (tipRect.bottom > window.innerHeight - pad) {
+      adjustTop = window.innerHeight - pad - tipRect.bottom;
+    }
+    if (tipRect.top < pad) {
+      adjustTop = pad - tipRect.top;
+    }
+    if (adjustLeft !== 0 || adjustTop !== 0) {
+      setPos((prev) => prev && { top: prev.top + adjustTop, left: prev.left + adjustLeft });
+    }
+  }, [pos]);
+
+  const transform =
+    placement === "bottom"
+      ? "translateX(-50%)"
+      : placement === "top"
+        ? "translateX(-50%) translateY(-100%)"
+        : placement === "left"
+          ? "translateX(-100%) translateY(-50%)"
+          : "translateY(-50%)";
+
+  return (
+    <div ref={triggerRef} onMouseEnter={show} onMouseLeave={hide} className={css({ display: "inline-flex" })}>
+      {children}
+      {pos &&
+        createPortal(
+          <div
+            ref={tooltipRef}
+            className={css({
+              position: "fixed",
+              top: `${pos.top}px`,
+              left: `${pos.left}px`,
+              transform,
+              zIndex: 99999,
+              pointerEvents: "none",
+              padding: "4px 8px",
+              borderRadius: "6px",
+              backgroundColor: "rgba(32, 32, 32, 0.98)",
+              backdropFilter: "blur(12px)",
+              border: `1px solid ${t.borderDefault}`,
+              boxShadow: "0 4px 12px rgba(0, 0, 0, 0.4)",
+              color: "#e0e0e0",
+              fontSize: "11px",
+              fontWeight: 500,
+              lineHeight: "1.3",
+              whiteSpace: "nowrap",
+            })}
+          >
+            {label}
+          </div>,
+          document.body,
+        )}
+    </div>
+  );
+});
+
 export const HEADER_HEIGHT = "42px";
 export const PROMPT_TEXTAREA_MIN_HEIGHT = 56;
 export const PROMPT_TEXTAREA_MAX_HEIGHT = 100;

foundry/packages/frontend/src/components/mock-layout/view-model.ts

@@ -102,6 +102,7 @@ export function providerAgent(provider: string): AgentKind {
 }
 
 const DIFF_PREFIX = "diff:";
+const TERMINAL_PREFIX = "terminal:";
 
 export function isDiffTab(id: string): boolean {
   return id.startsWith(DIFF_PREFIX);
@@ -115,6 +116,14 @@ export function diffTabId(path: string): string {
   return `${DIFF_PREFIX}${path}`;
 }
 
+export function isTerminalTab(id: string): boolean {
+  return id.startsWith(TERMINAL_PREFIX);
+}
+
+export function terminalTabId(): string {
+  return `${TERMINAL_PREFIX}main`;
+}
+
 export function fileName(path: string): string {
   return path.split("/").pop() ?? path;
 }

foundry/packages/frontend/src/components/mock-onboarding.tsx

@@ -1,9 +1,11 @@
-import { useCallback, useEffect, useMemo, useState } from "react";
+import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { type FoundryBillingPlanId, type FoundryOrganization, type FoundryOrganizationMember, type FoundryUser } from "@sandbox-agent/foundry-shared";
 import { useNavigate } from "@tanstack/react-router";
-import { ArrowLeft, Clock, CreditCard, FileText, Github, LogOut, Moon, Settings, Sun, Users } from "lucide-react";
+import { ArrowLeft, Clock, CreditCard, FileText, Github, LogOut, Moon, Settings, Sun, Users, Volume2 } from "lucide-react";
+import { NOTIFICATION_SOUND_OPTIONS, previewNotificationSound, useNotificationSound } from "../lib/notification-sound";
 import { activeMockUser, eligibleOrganizations, useMockAppClient, useMockAppSnapshot } from "../lib/mock-app";
 import { isMockFrontendClient } from "../lib/env";
+import { useIsMobile } from "../lib/platform";
 import { useColorMode, useFoundryTokens } from "../app/theme";
 import type { FoundryTokens } from "../styles/tokens";
 import { appSurfaceStyle, primaryButtonStyle, secondaryButtonStyle, subtleButtonStyle, cardStyle, badgeStyle, inputStyle } from "../styles/shared-styles";
@@ -124,7 +126,7 @@ function statusBadge(t: FoundryTokens, organization: FoundryOrganization) {
 
 function githubBadge(t: FoundryTokens, organization: FoundryOrganization) {
   if (organization.github.installationStatus === "connected") {
-    return <span style={badgeStyle(t, "rgba(46, 160, 67, 0.16)", "#b7f0c3")}>GitHub connected</span>;
+    return <span style={badgeStyle(t, "rgba(46, 160, 67, 0.16)", "#1a7f37")}>GitHub connected</span>;
   }
   if (organization.github.installationStatus === "reconnect_required") {
     return <span style={badgeStyle(t, "rgba(255, 193, 7, 0.18)", "#ffe6a6")}>Reconnect required</span>;
@@ -164,9 +166,42 @@ function MemberRow({ member }: { member: FoundryOrganizationMember }) {
         alignItems: "center",
       }}
     >
-      <div>
-        <div style={{ fontWeight: 500, fontSize: "12px" }}>{member.name}</div>
-        <div style={{ color: t.textSecondary, fontSize: "11px" }}>{member.email}</div>
+      <div style={{ display: "flex", alignItems: "center", gap: "8px", overflow: "hidden" }}>
+        {member.avatarUrl ? (
+          <img
+            src={member.avatarUrl}
+            alt={member.name}
+            style={{
+              width: "24px",
+              height: "24px",
+              borderRadius: "50%",
+              flexShrink: 0,
+              objectFit: "cover",
+            }}
+          />
+        ) : (
+          <div
+            style={{
+              width: "24px",
+              height: "24px",
+              borderRadius: "50%",
+              flexShrink: 0,
+              backgroundColor: t.interactiveHover,
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              fontSize: "10px",
+              fontWeight: 600,
+              color: t.textSecondary,
+            }}
+          >
+            {member.name.charAt(0).toUpperCase()}
+          </div>
+        )}
+        <div style={{ overflow: "hidden" }}>
+          <div style={{ fontWeight: 500, fontSize: "12px", overflow: "hidden", textOverflow: "ellipsis", whiteSpace: "nowrap" }}>{member.name}</div>
+          <div style={{ color: t.textSecondary, fontSize: "11px", overflow: "hidden", textOverflow: "ellipsis", whiteSpace: "nowrap" }}>{member.email}</div>
+        </div>
       </div>
       <div style={{ color: t.textSecondary, fontSize: "12px", textTransform: "capitalize" }}>{member.role}</div>
       <div>
@@ -551,16 +586,130 @@ function SettingsLayout({
   const user = activeMockUser(snapshot);
   const navigate = useNavigate();
   const t = useFoundryTokens();
+  const isMobile = useIsMobile();
 
   const navSections: Array<{ section: SettingsSection; icon: React.ReactNode; label: string }> = [
     { section: "settings", icon: <Settings size={13} />, label: "Settings" },
     { section: "members", icon: <Users size={13} />, label: "Members" },
-    { section: "billing", icon: <CreditCard size={13} />, label: "Billing & Invoices" },
+    { section: "billing", icon: <CreditCard size={13} />, label: "Billing" },
     { section: "docs", icon: <FileText size={13} />, label: "Docs" },
   ];
 
+  const goBack = () => {
+    void (async () => {
+      await client.selectOrganization(organization.id);
+      await navigate({ to: workspacePath(organization) });
+    })();
+  };
+
+  const handleNavClick = (item: (typeof navSections)[0]) => {
+    if (item.section === "billing") {
+      void navigate({ to: billingPath(organization) });
+    } else if (onSectionChange) {
+      onSectionChange(item.section);
+    } else {
+      void navigate({ to: settingsPath(organization) });
+    }
+  };
+
+  if (isMobile) {
+    return (
+      <div
+        style={{
+          ...appSurfaceStyle(t),
+          height: "100dvh",
+          maxHeight: "100dvh",
+          display: "flex",
+          flexDirection: "column",
+          paddingTop: "max(var(--safe-area-top), 47px)",
+        }}
+      >
+        {/* Mobile header */}
+        <div
+          style={{
+            flexShrink: 0,
+            padding: "8px 12px",
+            display: "flex",
+            alignItems: "center",
+            gap: "8px",
+            borderBottom: `1px solid ${t.borderSubtle}`,
+          }}
+        >
+          <button
+            type="button"
+            onClick={goBack}
+            style={{
+              ...subtleButtonStyle(t),
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              width: "32px",
+              height: "32px",
+              padding: 0,
+              borderRadius: "8px",
+              flexShrink: 0,
+            }}
+          >
+            <ArrowLeft size={16} />
+          </button>
+          <div style={{ flex: 1, minWidth: 0 }}>
+            <div style={{ fontSize: "15px", fontWeight: 600 }}>{organization.settings.displayName}</div>
+            <div style={{ fontSize: "11px", color: t.textMuted }}>{planCatalog[organization.billing.planId]?.label ?? "Free"} Plan</div>
+          </div>
+        </div>
+
+        {/* Mobile tab strip */}
+        <div
+          style={{
+            flexShrink: 0,
+            display: "flex",
+            gap: "2px",
+            padding: "6px 12px",
+            overflowX: "auto",
+            borderBottom: `1px solid ${t.borderSubtle}`,
+          }}
+        >
+          {navSections.map((item) => {
+            const isActive = activeSection === item.section;
+            return (
+              <button
+                key={item.section}
+                type="button"
+                onClick={() => handleNavClick(item)}
+                style={{
+                  display: "flex",
+                  alignItems: "center",
+                  gap: "5px",
+                  padding: "6px 12px",
+                  borderRadius: "8px",
+                  border: "none",
+                  background: isActive ? t.interactiveHover : "transparent",
+                  color: isActive ? t.textPrimary : t.textMuted,
+                  cursor: "pointer",
+                  fontSize: "12px",
+                  fontWeight: isActive ? 500 : 400,
+                  whiteSpace: "nowrap",
+                  fontFamily: "'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif",
+                  flexShrink: 0,
+                }}
+              >
+                {item.icon}
+                {item.label}
+              </button>
+            );
+          })}
+        </div>
+
+        {/* Content */}
+        <div style={{ flex: 1, overflowY: "auto", padding: "20px 16px 40px" }}>
+          <div style={{ maxWidth: "560px" }}>{children}</div>
+        </div>
+      </div>
+    );
+  }
+
   return (
-    <div style={appSurfaceStyle(t)}>
+    <div style={{ ...appSurfaceStyle(t), height: "100dvh", maxHeight: "100dvh" }}>
       <DesktopDragRegion />
       <div style={{ display: "flex", flex: 1, minHeight: 0 }}>
         {/* Left nav */}
@@ -579,12 +728,7 @@ function SettingsLayout({
           {/* Back to workspace */}
           <button
             type="button"
-            onClick={() => {
-              void (async () => {
-                await client.selectOrganization(organization.id);
-                await navigate({ to: workspacePath(organization) });
-              })();
-            }}
+            onClick={goBack}
             style={{
               ...subtleButtonStyle(t),
               display: "flex",
@@ -612,15 +756,7 @@ function SettingsLayout({
               icon={item.icon}
               label={item.label}
               active={activeSection === item.section}
-              onClick={() => {
-                if (item.section === "billing") {
-                  void navigate({ to: billingPath(organization) });
-                } else if (onSectionChange) {
-                  onSectionChange(item.section);
-                } else {
-                  void navigate({ to: settingsPath(organization) });
-                }
-              }}
+              onClick={() => handleNavClick(item)}
             />
           ))}
         </div>
@@ -692,6 +828,8 @@ export function MockOrganizationSettingsPage({ organization }: { organization: F
 
           <AppearanceSection />
 
+          <NotificationSoundSection />
+
           <SettingsContentSection
             title="GitHub"
             description={`Connected as ${organization.github.connectedAccount}. ${organization.github.importedRepoCount} repos imported.`}
@@ -1090,6 +1228,7 @@ export function MockAccountSettingsPage() {
   const user = activeMockUser(snapshot);
   const navigate = useNavigate();
   const t = useFoundryTokens();
+  const isMobile = useIsMobile();
   const [name, setName] = useState(user?.name ?? "");
   const [email, setEmail] = useState(user?.email ?? "");
 
@@ -1098,8 +1237,168 @@ export function MockAccountSettingsPage() {
     setEmail(user?.email ?? "");
   }, [user?.name, user?.email]);
 
+  const accountContent = (
+    <div style={{ display: "flex", flexDirection: "column", gap: "24px" }}>
+      <div>
+        <h1 style={{ margin: "0 0 2px", fontSize: "15px", fontWeight: 600 }}>Account</h1>
+        <p style={{ margin: 0, fontSize: "11px", color: t.textMuted }}>Manage your personal account settings.</p>
+      </div>
+
+      <SettingsContentSection title="Profile">
+        <div style={{ display: "flex", alignItems: "center", gap: "12px", marginBottom: "4px" }}>
+          {user?.avatarUrl ? (
+            <img
+              src={user.avatarUrl}
+              alt={user.name}
+              style={{
+                width: "48px",
+                height: "48px",
+                borderRadius: "50%",
+                objectFit: "cover",
+                border: `1px solid ${t.borderSubtle}`,
+              }}
+            />
+          ) : (
+            <div
+              style={{
+                width: "48px",
+                height: "48px",
+                borderRadius: "50%",
+                backgroundColor: t.interactiveHover,
+                display: "flex",
+                alignItems: "center",
+                justifyContent: "center",
+                fontSize: "18px",
+                fontWeight: 600,
+                color: t.textSecondary,
+                border: `1px solid ${t.borderSubtle}`,
+              }}
+            >
+              {(user?.name ?? "U").charAt(0).toUpperCase()}
+            </div>
+          )}
+          <div>
+            <div style={{ fontSize: "13px", fontWeight: 600 }}>{user?.name ?? "User"}</div>
+            <div style={{ fontSize: "11px", color: t.textMuted }}>@{user?.githubLogin ?? ""}</div>
+          </div>
+        </div>
+        <label style={{ display: "grid", gap: "4px" }}>
+          <span style={{ fontSize: "11px", fontWeight: 500, color: t.textMuted }}>Display name</span>
+          <input value={name} onChange={(e) => setName(e.target.value)} style={inputStyle(t)} />
+        </label>
+        <label style={{ display: "grid", gap: "4px" }}>
+          <span style={{ fontSize: "11px", fontWeight: 500, color: t.textMuted }}>Email</span>
+          <input value={email} onChange={(e) => setEmail(e.target.value)} style={inputStyle(t)} />
+        </label>
+        <label style={{ display: "grid", gap: "4px" }}>
+          <span style={{ fontSize: "11px", fontWeight: 500, color: t.textMuted }}>GitHub</span>
+          <input value={`@${user?.githubLogin ?? ""}`} readOnly style={{ ...inputStyle(t), color: t.textMuted }} />
+        </label>
+        <div>
+          <button type="button" style={primaryButtonStyle(t)}>
+            Save changes
+          </button>
+        </div>
+      </SettingsContentSection>
+
+      <SettingsContentSection title="Sessions" description="Manage your active sessions across devices.">
+        <SettingsRow label="Current session" description="This device — signed in via GitHub OAuth." />
+      </SettingsContentSection>
+
+      <SettingsContentSection title="Sign out" description="Sign out of Foundry on this device.">
+        <div>
+          <button
+            type="button"
+            onClick={() => {
+              void (async () => {
+                await client.signOut();
+                await navigate({ to: "/signin" });
+              })();
+            }}
+            style={{ ...secondaryButtonStyle(t), display: "inline-flex", alignItems: "center", gap: "6px" }}
+          >
+            <LogOut size={12} />
+            Sign out
+          </button>
+        </div>
+      </SettingsContentSection>
+
+      <SettingsContentSection title="Danger zone">
+        <SettingsRow
+          label="Delete account"
+          description="Permanently delete your account and all data."
+          action={
+            <button
+              type="button"
+              style={{
+                ...secondaryButtonStyle(t),
+                borderColor: "rgba(255, 110, 110, 0.24)",
+                color: t.statusError,
+                whiteSpace: "nowrap",
+                flexShrink: 0,
+              }}
+            >
+              Delete
+            </button>
+          }
+        />
+      </SettingsContentSection>
+    </div>
+  );
+
+  if (isMobile) {
+    return (
+      <div
+        style={{
+          ...appSurfaceStyle(t),
+          height: "100dvh",
+          maxHeight: "100dvh",
+          display: "flex",
+          flexDirection: "column",
+          paddingTop: "max(var(--safe-area-top), 47px)",
+        }}
+      >
+        {/* Mobile header */}
+        <div
+          style={{
+            flexShrink: 0,
+            padding: "8px 12px",
+            display: "flex",
+            alignItems: "center",
+            gap: "8px",
+            borderBottom: `1px solid ${t.borderSubtle}`,
+          }}
+        >
+          <button
+            type="button"
+            onClick={() => void navigate({ to: "/" })}
+            style={{
+              ...subtleButtonStyle(t),
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              width: "32px",
+              height: "32px",
+              padding: 0,
+              borderRadius: "8px",
+              flexShrink: 0,
+            }}
+          >
+            <ArrowLeft size={16} />
+          </button>
+          <div style={{ fontSize: "15px", fontWeight: 600 }}>Account</div>
+        </div>
+
+        {/* Content */}
+        <div style={{ flex: 1, overflowY: "auto", padding: "20px 16px 40px" }}>
+          <div style={{ maxWidth: "560px" }}>{accountContent}</div>
+        </div>
+      </div>
+    );
+  }
+
   return (
-    <div style={appSurfaceStyle(t)}>
+    <div style={{ ...appSurfaceStyle(t), height: "100dvh", maxHeight: "100dvh" }}>
       <DesktopDragRegion />
       <div style={{ display: "flex", flex: 1, minHeight: 0 }}>
         {/* Left nav */}
@@ -1131,9 +1430,32 @@ export function MockAccountSettingsPage() {
             Back to workspace
           </button>
 
-          <div style={{ padding: "2px 10px 12px", display: "flex", flexDirection: "column", gap: "1px" }}>
-            <span style={{ fontSize: "12px", fontWeight: 600 }}>{user?.name ?? "User"}</span>
-            <span style={{ fontSize: "10px", color: t.textMuted }}>{user?.email ?? ""}</span>
+          <div style={{ padding: "2px 10px 12px", display: "flex", alignItems: "center", gap: "8px" }}>
+            {user?.avatarUrl ? (
+              <img src={user.avatarUrl} alt={user.name} style={{ width: "24px", height: "24px", borderRadius: "50%", objectFit: "cover", flexShrink: 0 }} />
+            ) : (
+              <div
+                style={{
+                  width: "24px",
+                  height: "24px",
+                  borderRadius: "50%",
+                  flexShrink: 0,
+                  backgroundColor: t.interactiveHover,
+                  display: "flex",
+                  alignItems: "center",
+                  justifyContent: "center",
+                  fontSize: "10px",
+                  fontWeight: 600,
+                  color: t.textSecondary,
+                }}
+              >
+                {(user?.name ?? "U").charAt(0).toUpperCase()}
+              </div>
+            )}
+            <div style={{ display: "flex", flexDirection: "column", gap: "1px", overflow: "hidden" }}>
+              <span style={{ fontSize: "12px", fontWeight: 600 }}>{user?.name ?? "User"}</span>
+              <span style={{ fontSize: "10px", color: t.textMuted }}>{user?.email ?? ""}</span>
+            </div>
           </div>
 
           <SettingsNavItem icon={<Settings size={13} />} label="General" active onClick={() => {}} />
@@ -1141,77 +1463,7 @@ export function MockAccountSettingsPage() {
 
         {/* Content */}
         <div style={{ flex: 1, overflowY: "auto", padding: "80px 36px 40px" }}>
-          <div style={{ maxWidth: "560px" }}>
-            <div style={{ display: "flex", flexDirection: "column", gap: "24px" }}>
-              <div>
-                <h1 style={{ margin: "0 0 2px", fontSize: "15px", fontWeight: 600 }}>Account</h1>
-                <p style={{ margin: 0, fontSize: "11px", color: t.textMuted }}>Manage your personal account settings.</p>
-              </div>
-
-              <SettingsContentSection title="Profile">
-                <label style={{ display: "grid", gap: "4px" }}>
-                  <span style={{ fontSize: "11px", fontWeight: 500, color: t.textMuted }}>Display name</span>
-                  <input value={name} onChange={(e) => setName(e.target.value)} style={inputStyle(t)} />
-                </label>
-                <label style={{ display: "grid", gap: "4px" }}>
-                  <span style={{ fontSize: "11px", fontWeight: 500, color: t.textMuted }}>Email</span>
-                  <input value={email} onChange={(e) => setEmail(e.target.value)} style={inputStyle(t)} />
-                </label>
-                <label style={{ display: "grid", gap: "4px" }}>
-                  <span style={{ fontSize: "11px", fontWeight: 500, color: t.textMuted }}>GitHub</span>
-                  <input value={`@${user?.githubLogin ?? ""}`} readOnly style={{ ...inputStyle(t), color: t.textMuted }} />
-                </label>
-                <div>
-                  <button type="button" style={primaryButtonStyle(t)}>
-                    Save changes
-                  </button>
-                </div>
-              </SettingsContentSection>
-
-              <SettingsContentSection title="Sessions" description="Manage your active sessions across devices.">
-                <SettingsRow label="Current session" description="This device — signed in via GitHub OAuth." />
-              </SettingsContentSection>
-
-              <SettingsContentSection title="Sign out" description="Sign out of Foundry on this device.">
-                <div>
-                  <button
-                    type="button"
-                    onClick={() => {
-                      void (async () => {
-                        await client.signOut();
-                        await navigate({ to: "/signin" });
-                      })();
-                    }}
-                    style={{ ...secondaryButtonStyle(t), display: "inline-flex", alignItems: "center", gap: "6px" }}
-                  >
-                    <LogOut size={12} />
-                    Sign out
-                  </button>
-                </div>
-              </SettingsContentSection>
-
-              <SettingsContentSection title="Danger zone">
-                <SettingsRow
-                  label="Delete account"
-                  description="Permanently delete your account and all data."
-                  action={
-                    <button
-                      type="button"
-                      style={{
-                        ...secondaryButtonStyle(t),
-                        borderColor: "rgba(255, 110, 110, 0.24)",
-                        color: t.statusError,
-                        whiteSpace: "nowrap",
-                        flexShrink: 0,
-                      }}
-                    >
-                      Delete
-                    </button>
-                  }
-                />
-              </SettingsContentSection>
-            </div>
-          </div>
+          <div style={{ maxWidth: "560px" }}>{accountContent}</div>
         </div>
       </div>
     </div>
@@ -1238,7 +1490,7 @@ function AppearanceSection() {
               height: "20px",
               borderRadius: "10px",
               border: "1px solid rgba(128, 128, 128, 0.3)",
-              background: isDark ? t.borderDefault : t.accent,
+              background: isDark ? t.borderDefault : t.textPrimary,
               cursor: "pointer",
               padding: 0,
               transition: "background 0.2s",
@@ -1260,7 +1512,7 @@ function AppearanceSection() {
                 justifyContent: "center",
               }}
             >
-              {isDark ? <Moon size={8} /> : <Sun size={8} color={t.accent} />}
+              {isDark ? <Moon size={8} /> : <Sun size={8} color={t.textPrimary} />}
             </div>
           </button>
         }
@@ -1268,3 +1520,130 @@ function AppearanceSection() {
     </SettingsContentSection>
   );
 }
+
+function NotificationSoundSection() {
+  const t = useFoundryTokens();
+  const [selected, setSelected] = useNotificationSound();
+  const [open, setOpen] = useState(false);
+  const containerRef = useRef<HTMLDivElement>(null);
+  const selectedLabel = NOTIFICATION_SOUND_OPTIONS.find((o) => o.id === selected)?.label ?? "None";
+
+  useEffect(() => {
+    if (!open) return;
+    const handler = (e: MouseEvent) => {
+      if (containerRef.current && !containerRef.current.contains(e.target as Node)) {
+        setOpen(false);
+      }
+    };
+    document.addEventListener("mousedown", handler);
+    return () => document.removeEventListener("mousedown", handler);
+  }, [open]);
+
+  return (
+    <SettingsContentSection title="Notifications" description="Play a sound when the agent finishes and needs your input.">
+      <SettingsRow
+        label="Completion sound"
+        description={selected === "none" ? "No sound will play." : `"${selectedLabel}" will play when the agent is done.`}
+        action={
+          <div ref={containerRef} style={{ position: "relative", display: "flex", alignItems: "center", gap: "6px" }}>
+            <button
+              type="button"
+              onClick={() => setOpen((prev) => !prev)}
+              style={{
+                display: "flex",
+                alignItems: "center",
+                gap: "6px",
+                padding: "5px 10px",
+                borderRadius: "6px",
+                border: `1px solid ${t.borderDefault}`,
+                background: t.interactiveSubtle,
+                color: t.textPrimary,
+                fontSize: "11px",
+                fontWeight: 500,
+                fontFamily: "inherit",
+                cursor: "pointer",
+                minWidth: "90px",
+                justifyContent: "space-between",
+              }}
+            >
+              <span>{selectedLabel}</span>
+              <svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke={t.textTertiary} strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+                <path d={open ? "m18 15-6-6-6 6" : "m6 9 6 6 6-6"} />
+              </svg>
+            </button>
+            {open && (
+              <div
+                style={{
+                  position: "absolute",
+                  top: "calc(100% + 4px)",
+                  right: 0,
+                  minWidth: "160px",
+                  backgroundColor: "rgba(32, 32, 32, 0.98)",
+                  backdropFilter: "blur(12px)",
+                  borderRadius: "10px",
+                  border: `1px solid ${t.borderDefault}`,
+                  boxShadow: `0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px ${t.interactiveSubtle}`,
+                  padding: "4px 0",
+                  zIndex: 200,
+                }}
+              >
+                {NOTIFICATION_SOUND_OPTIONS.map((option) => {
+                  const isActive = option.id === selected;
+                  return (
+                    <button
+                      key={option.id}
+                      type="button"
+                      onClick={() => {
+                        setSelected(option.id);
+                        setOpen(false);
+                      }}
+                      onMouseEnter={(e) => {
+                        (e.currentTarget as HTMLElement).style.backgroundColor = t.borderSubtle;
+                      }}
+                      onMouseLeave={(e) => {
+                        (e.currentTarget as HTMLElement).style.backgroundColor = "transparent";
+                      }}
+                      style={
+                        {
+                          display: "flex",
+                          alignItems: "center",
+                          justifyContent: "space-between",
+                          gap: "8px",
+                          width: "calc(100% - 8px)",
+                          padding: "6px 12px",
+                          border: "none",
+                          background: "transparent",
+                          color: isActive ? t.textPrimary : t.textSecondary,
+                          fontSize: "12px",
+                          fontWeight: isActive ? 600 : 400,
+                          fontFamily: "inherit",
+                          cursor: "pointer",
+                          borderRadius: "6px",
+                          margin: "0 4px",
+                          boxSizing: "border-box",
+                        } as React.CSSProperties
+                      }
+                    >
+                      <span>{option.label}</span>
+                      {option.id !== "none" && (
+                        <Volume2
+                          size={11}
+                          color={isActive ? t.accent : t.textTertiary}
+                          style={{ cursor: "pointer", flexShrink: 0 }}
+                          onClick={(e) => {
+                            e.stopPropagation();
+                            previewNotificationSound(option.id);
+                          }}
+                        />
+                      )}
+                    </button>
+                  );
+                })}
+              </div>
+            )}
+          </div>
+        }
+      />
+    </SettingsContentSection>
+  );
+}

foundry/packages/frontend/src/lib/notification-sound.ts

@@ -0,0 +1,77 @@
+import { useCallback, useEffect, useRef, useSyncExternalStore } from "react";
+
+export type NotificationSoundId = "none" | "chime" | "ping";
+
+const SOUNDS: Record<Exclude<NotificationSoundId, "none">, { label: string; src: string }> = {
+  chime: { label: "Chime", src: "/sounds/notification-1.mp3" },
+  ping: { label: "Ping", src: "/sounds/notification-2.mp3" },
+};
+
+const STORAGE_KEY = "foundry:notification-sound";
+
+let currentValue: NotificationSoundId = (localStorage.getItem(STORAGE_KEY) as NotificationSoundId) || "none";
+const listeners = new Set<() => void>();
+
+function notify() {
+  for (const listener of listeners) {
+    listener();
+  }
+}
+
+function getSnapshot(): NotificationSoundId {
+  return currentValue;
+}
+
+function subscribe(listener: () => void): () => void {
+  listeners.add(listener);
+  return () => listeners.delete(listener);
+}
+
+export function setNotificationSound(id: NotificationSoundId) {
+  currentValue = id;
+  localStorage.setItem(STORAGE_KEY, id);
+  notify();
+}
+
+export function useNotificationSound(): [NotificationSoundId, (id: NotificationSoundId) => void] {
+  const value = useSyncExternalStore(subscribe, getSnapshot);
+  return [value, setNotificationSound];
+}
+
+export function playNotificationSound() {
+  const id = getSnapshot();
+  if (id === "none") return;
+  const sound = SOUNDS[id];
+  if (!sound) return;
+  const audio = new Audio(sound.src);
+  audio.volume = 0.6;
+  audio.play().catch(() => {});
+}
+
+export function previewNotificationSound(id: NotificationSoundId) {
+  if (id === "none") return;
+  const sound = SOUNDS[id];
+  if (!sound) return;
+  const audio = new Audio(sound.src);
+  audio.volume = 0.6;
+  audio.play().catch(() => {});
+}
+
+export function useAgentDoneNotification(status: "running" | "idle" | "error" | undefined) {
+  const prevStatus = useRef(status);
+
+  useEffect(() => {
+    const prev = prevStatus.current;
+    prevStatus.current = status;
+
+    if (prev === "running" && status === "idle") {
+      playNotificationSound();
+    }
+  }, [status]);
+}
+
+export const NOTIFICATION_SOUND_OPTIONS: { id: NotificationSoundId; label: string }[] = [
+  { id: "none", label: "None" },
+  { id: "chime", label: "Chime" },
+  { id: "ping", label: "Ping" },
+];

foundry/packages/frontend/src/lib/platform.ts

@@ -0,0 +1,55 @@
+import { useSyncExternalStore } from "react";
+
+const MOBILE_BREAKPOINT = 768;
+
+/** True when built with VITE_MOBILE=1 (Tauri mobile build) */
+export const isNativeMobile = !!import.meta.env.VITE_MOBILE;
+
+/** True when built with VITE_DESKTOP=1 (Tauri desktop build) */
+export const isNativeDesktop = !!import.meta.env.VITE_DESKTOP;
+
+/** True when running inside any Tauri shell */
+export const isNativeApp = isNativeMobile || isNativeDesktop;
+
+function getIsMobileViewport(): boolean {
+  if (typeof window === "undefined") return false;
+  return window.innerWidth < MOBILE_BREAKPOINT;
+}
+
+let currentIsMobile = isNativeMobile || getIsMobileViewport();
+
+const listeners = new Set<() => void>();
+
+if (typeof window !== "undefined") {
+  const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
+  mql.addEventListener("change", (e) => {
+    const next = isNativeMobile || e.matches;
+    if (next !== currentIsMobile) {
+      currentIsMobile = next;
+      for (const fn of listeners) fn();
+    }
+  });
+}
+
+function subscribe(cb: () => void) {
+  listeners.add(cb);
+  return () => {
+    listeners.delete(cb);
+  };
+}
+
+function getSnapshot() {
+  return currentIsMobile;
+}
+
+/**
+ * Returns true when the app should render in mobile layout.
+ * This is true when:
+ * - Built with VITE_MOBILE=1 (always mobile), OR
+ * - Viewport width is below 768px (responsive web)
+ *
+ * Re-renders when the viewport crosses the breakpoint.
+ */
+export function useIsMobile(): boolean {
+  return useSyncExternalStore(subscribe, getSnapshot, () => false);
+}

foundry/packages/frontend/src/styles.css

@@ -5,6 +5,10 @@
   font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
   background: var(--f-surface-primary, #000000);
   color: var(--f-text-primary, #ffffff);
+  --safe-area-top: env(safe-area-inset-top, 0px);
+  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
+  --safe-area-left: env(safe-area-inset-left, 0px);
+  --safe-area-right: env(safe-area-inset-right, 0px);
 }
 
 html,
@@ -44,6 +48,41 @@ a {
   }
 }
 
+@keyframes hf-dot-fade {
+  0%, 80%, 100% {
+    opacity: 0.2;
+  }
+  40% {
+    opacity: 1;
+  }
+}
+
+@keyframes hf-typing-in {
+  from {
+    opacity: 0;
+    max-height: 0;
+    transform: translateY(8px);
+  }
+  to {
+    opacity: 1;
+    max-height: 40px;
+    transform: translateY(0);
+  }
+}
+
+@keyframes hf-typing-out {
+  from {
+    opacity: 1;
+    max-height: 40px;
+    transform: translateY(0);
+  }
+  to {
+    opacity: 0;
+    max-height: 0;
+    transform: translateY(8px);
+  }
+}
+
 button,
 input,
 textarea,

foundry/packages/shared/src/app-shell.ts

@@ -10,6 +10,7 @@ export interface FoundryUser {
   name: string;
   email: string;
   githubLogin: string;
+  avatarUrl: string | null;
   roleLabel: string;
   eligibleOrganizationIds: string[];
 }
@@ -20,6 +21,8 @@ export interface FoundryOrganizationMember {
   email: string;
   role: "owner" | "admin" | "member";
   state: "active" | "invited";
+  avatarUrl: string | null;
+  githubLogin: string | null;
 }
 
 export interface FoundryInvoice {

foundry/packages/shared/src/workbench.ts

@@ -76,6 +76,14 @@ export interface WorkbenchPullRequestSummary {
   status: "draft" | "ready";
 }
 
+export interface WorkbenchPresence {
+  memberId: string;
+  name: string;
+  avatarUrl: string | null;
+  lastSeenAtMs: number;
+  typing?: boolean;
+}
+
 export interface WorkbenchTask {
   id: string;
   repoId: string;
@@ -90,6 +98,7 @@ export interface WorkbenchTask {
   diffs: Record<string, string>;
   fileTree: WorkbenchFileTreeNode[];
   minutesUsed: number;
+  presence: WorkbenchPresence[];
 }
 
 export interface WorkbenchRepo {