{ "project": "SandboxAgent", "branchName": "ralph/browser-automation", "description": "Browser Automation - HTTP API, CLI install, TypeScript SDK, inspector UI, and Rust modules for controlling Chromium via CDP inside sandboxes", "userStories": [ { "id": "US-001", "title": "Add browser_install.rs CLI command", "description": "As a developer, I need a CLI command to install Chromium and browser dependencies into the sandbox.", "acceptanceCriteria": [ "New file server/packages/sandbox-agent/src/browser_install.rs following desktop_install.rs pattern", "BrowserInstallRequest struct with yes, print_only, package_manager fields", "install_browser function: platform check (Linux only), detect/validate package manager, build package list, privilege check, display + confirm, run install", "APT packages: chromium, chromium-sandbox, libnss3, libatk-bridge2.0-0, libdrm2, libxcomposite1, libxdamage1, libxrandr2, libgbm1, libasound2, libpangocairo-1.0-0, libgtk-3-0", "DNF packages: chromium", "APK packages: chromium, nss", "detect_missing_browser_dependencies() checks for chromium/chromium-browser in PATH and desktop deps", "Typecheck passes" ], "priority": 1, "passes": true, "notes": "Reuse detect_package_manager and DesktopPackageManager from desktop_install.rs" }, { "id": "US-002", "title": "Register install browser subcommand in CLI", "description": "As a developer, I need the Browser variant added to InstallCommand enum in cli.rs.", "acceptanceCriteria": [ "Add Browser(InstallBrowserArgs) variant to InstallCommand enum in cli.rs", "InstallBrowserArgs struct with --yes, --print-only, --package-manager flags", "CLI dispatches to install_browser when 'install browser' is invoked", "Add mod browser_install to lib.rs", "Typecheck passes" ], "priority": 2, "passes": true, "notes": "" }, { "id": "US-003", "title": "Add browser type definitions (DTOs and errors)", "description": "As a developer, I need request/response types and error types for the browser API.", "acceptanceCriteria": [ "New file server/packages/sandbox-agent/src/browser_types.rs with serde + utoipa + schemars derives", "BrowserStartRequest with width, height, dpi, url, headless, contextId, streaming fields", "BrowserStatusResponse with state, display, resolution, startedAt, cdpUrl, url, missingDependencies, installCommand, processes, lastError", "BrowserState enum: Inactive, InstallRequired, Starting, Active, Stopping, Failed", "BrowserPageInfo, BrowserTabInfo, BrowserNavigateRequest, BrowserScreenshotRequest, BrowserClickRequest, BrowserTypeRequest, BrowserCrawlRequest and all other request/response types from the spec", "New file server/packages/sandbox-agent/src/browser_errors.rs with BrowserProblem enum: NotActive, AlreadyActive, DesktopConflict, InstallRequired, StartFailed, CdpError, Timeout, NotFound, InvalidSelector", "All errors return application/problem+json with tag:sandboxagent.dev,2025:browser/* URIs", "Add mod browser_types and mod browser_errors to lib.rs", "Typecheck passes" ], "priority": 3, "passes": true, "notes": "Mirror DesktopProblem patterns for error handling" }, { "id": "US-004", "title": "Add CdpClient for communicating with Chromium", "description": "As a developer, I need a persistent WebSocket client to send CDP commands to Chromium.", "acceptanceCriteria": [ "New file server/packages/sandbox-agent/src/browser_cdp.rs", "CdpClient struct with WebSocket connection and AtomicU64 for request IDs", "connect() method: connects to ws://127.0.0.1:9222/devtools/browser/{id} (discovered via http://127.0.0.1:9222/json/version)", "send(method, params) method: sends CDP command and waits for matching response by ID", "subscribe(event, callback) method for subscribing to CDP events like Runtime.consoleAPICalled and Network.requestWillBeSent", "Add mod browser_cdp to lib.rs", "Typecheck passes" ], "priority": 4, "passes": true, "notes": "" }, { "id": "US-005", "title": "Add BrowserRuntime state machine", "description": "As a developer, I need the core runtime that manages Xvfb + Chromium + Neko lifecycle.", "acceptanceCriteria": [ "New file server/packages/sandbox-agent/src/browser_runtime.rs", "BrowserRuntime struct with config, process_runtime, desktop_streaming_manager, desktop_recording_manager, cdp_client, inner state", "BrowserRuntimeState with state, xvfb_process_id, chromium_process_id, display, resolution, started_at, last_error, console_messages (VecDeque max 1000), network_requests (VecDeque max 1000)", "start() method: check deps, start Xvfb (reuse start_xvfb_locked), start Chromium with correct flags (--no-sandbox, --remote-debugging-port=9222, etc.), poll CDP /json/version until ready (15s timeout), optionally start Neko", "stop() method: kill Chromium, stop Neko, stop Xvfb", "status() method: return current BrowserStatusResponse", "Check DesktopRuntime is not active before starting (mutual exclusivity), return 409 if conflict", "Add BrowserRuntime to app state in state.rs", "Add mod browser_runtime to lib.rs", "Typecheck passes" ], "priority": 5, "passes": true, "notes": "Implemented as separate BrowserRuntime (not a mode of DesktopRuntime) for cleaner separation of concerns. Shares Xvfb start logic and DesktopStreamingManager. Mutual exclusivity checked via DesktopRuntime.status()." }, { "id": "US-006", "title": "Add browser lifecycle HTTP endpoints (start/stop/status)", "description": "As a user, I need HTTP endpoints to start, stop, and check the browser.", "acceptanceCriteria": [ "POST /v1/browser/start endpoint: accepts BrowserStartRequest, returns BrowserStatusResponse", "POST /v1/browser/stop endpoint: stops browser, returns { state: 'inactive' }", "GET /v1/browser/status endpoint: returns BrowserStatusResponse", "Routes registered in router.rs following existing patterns", "Typecheck passes" ], "priority": 6, "passes": true, "notes": "" }, { "id": "US-007", "title": "Add CDP WebSocket proxy endpoint", "description": "As a user, I need to connect Playwright/Puppeteer through the sandbox agent to Chromium's CDP.", "acceptanceCriteria": [ "GET /v1/browser/cdp endpoint: WebSocket upgrade", "Bidirectional WebSocket relay proxying to ws://127.0.0.1:9222/devtools/browser/{id}", "Follow same pattern as Neko signaling proxy in router.rs", "External Playwright can connect via ws://sandbox-host:2468/v1/browser/cdp", "Returns BrowserProblem::NotActive if browser not running", "Typecheck passes" ], "priority": 7, "passes": true, "notes": "" }, { "id": "US-008", "title": "Add browser navigation endpoints", "description": "As a user, I need HTTP endpoints for navigating the browser.", "acceptanceCriteria": [ "POST /v1/browser/navigate: accepts { url, waitUntil? }, returns { url, title, status } via CDP Page.navigate + Page.lifecycleEvent", "POST /v1/browser/back: returns { url, title } via CDP Page.navigateHistory delta -1", "POST /v1/browser/forward: returns { url, title } via CDP Page.navigateHistory delta 1", "POST /v1/browser/reload: accepts { ignoreCache? }, returns { url, title }", "POST /v1/browser/wait: accepts { selector?, timeout?, state? }, returns { found } using Runtime.evaluate with MutationObserver or DOM.querySelector polling", "All routes registered in router.rs", "Typecheck passes" ], "priority": 8, "passes": true, "notes": "Used get_cdp() (Arc) pattern instead of with_cdp() closure to avoid async lifetime issues" }, { "id": "US-009", "title": "Add browser tab management endpoints", "description": "As a user, I need to list, create, activate, and close browser tabs.", "acceptanceCriteria": [ "GET /v1/browser/tabs: returns { tabs: [{ id, url, title, active }] } via Target.getTargets filtered to type page", "POST /v1/browser/tabs: accepts { url? }, returns { id, url, title } (201) via Target.createTarget", "POST /v1/browser/tabs/:tab_id/activate: returns { id, url, title } via Target.activateTarget", "DELETE /v1/browser/tabs/:tab_id: returns { ok: true } via Target.closeTarget", "All routes registered in router.rs", "Typecheck passes" ], "priority": 9, "passes": true, "notes": "Used Target.getTargets for listing, Target.createTarget/activateTarget/closeTarget for CRUD. Active tab detection uses Page.getNavigationHistory URL matching." }, { "id": "US-010", "title": "Add browser screenshot and PDF endpoints", "description": "As a user, I need to capture screenshots and PDFs of browser pages.", "acceptanceCriteria": [ "GET /v1/browser/screenshot: query params format (png/jpeg/webp), quality, fullPage, selector; returns image binary with correct Content-Type via Page.captureScreenshot", "GET /v1/browser/pdf: query params format (a4/letter/legal), landscape, printBackground, scale; returns application/pdf via Page.printToPDF", "Both routes registered in router.rs", "Typecheck passes" ], "priority": 10, "passes": true, "notes": "Browser screenshot is distinct from desktop screenshot - this captures the viewport/page via CDP, not the Xvfb display. Uses Page.captureScreenshot and Page.printToPDF CDP commands with base64 decoding." }, { "id": "US-011", "title": "Add browser content extraction endpoints (HTML, markdown, links, snapshot)", "description": "As a user, I need to extract page content in various formats.", "acceptanceCriteria": [ "GET /v1/browser/content: query param selector?; returns { html, url, title } via Runtime.evaluate document.documentElement.outerHTML", "GET /v1/browser/markdown: returns { markdown, url, title }; extract DOM via CDP, convert with html2md crate, strip nav/footer/aside", "GET /v1/browser/links: returns { links: [{ href, text }], url }", "GET /v1/browser/snapshot: returns { snapshot, url, title } via Accessibility.getFullAXTree", "All routes registered in router.rs", "Typecheck passes" ], "priority": 11, "passes": true, "notes": "Used html2md crate for HTML-to-Markdown conversion. Accessibility.getFullAXTree for snapshot. Runtime.evaluate for content/links extraction." }, { "id": "US-012", "title": "Add browser scrape and execute endpoints", "description": "As a user, I need to scrape structured data and execute JavaScript in the browser.", "acceptanceCriteria": [ "POST /v1/browser/scrape: accepts { selectors: Record, url? }; returns { data: Record, url, title } via Runtime.evaluate with querySelectorAll + textContent", "POST /v1/browser/execute: accepts { expression, awaitPromise? }; returns { result, type } via Runtime.evaluate", "Both routes registered in router.rs", "Typecheck passes" ], "priority": 12, "passes": true, "notes": "Uses Runtime.evaluate with querySelectorAll for scrape, Runtime.evaluate with returnByValue for execute. Scrape optionally navigates first if url provided. Execute checks for exceptionDetails and returns CDP error." }, { "id": "US-013", "title": "Add browser interaction endpoints (click, type, select, hover, scroll)", "description": "As a user, I need to interact with page elements via CSS selectors.", "acceptanceCriteria": [ "POST /v1/browser/click: accepts { selector, button?, clickCount?, timeout? }; uses DOM.querySelector + DOM.getBoxModel + Input.dispatchMouseEvent", "POST /v1/browser/type: accepts { selector, text, delay?, clear? }; uses DOM.focus + Input.dispatchKeyEvent", "POST /v1/browser/select: accepts { selector, value }", "POST /v1/browser/hover: accepts { selector }", "POST /v1/browser/scroll: accepts { selector?, x?, y? }", "All return { ok: true } on success", "All routes registered in router.rs", "Typecheck passes" ], "priority": 13, "passes": true, "notes": "These are browser-level (CDP) interactions, distinct from desktop xdotool input. Click/hover use DOM.querySelector + DOM.getBoxModel + Input.dispatchMouseEvent. Type uses DOM.focus + Input.dispatchKeyEvent. Select/scroll use Runtime.evaluate." }, { "id": "US-014", "title": "Add browser upload and dialog endpoints", "description": "As a user, I need to upload files and handle JavaScript dialogs.", "acceptanceCriteria": [ "POST /v1/browser/upload: accepts { selector, path }; uses DOM.setFileInputFiles; returns { ok: true }", "POST /v1/browser/dialog: accepts { accept, text? }; uses Page.handleJavaScriptDialog; returns { ok: true }", "Both routes registered in router.rs", "Typecheck passes" ], "priority": 14, "passes": true, "notes": "DOM.setFileInputFiles for upload (requires DOM.querySelector to find node), Page.handleJavaScriptDialog for dialog with optional promptText parameter" }, { "id": "US-015", "title": "Add browser console and network monitoring endpoints", "description": "As a user, I need to see console logs and network requests from the browser.", "acceptanceCriteria": [ "GET /v1/browser/console: query params level?, limit? (default 100); returns { messages: [{ level, text, url?, line?, timestamp }] }", "GET /v1/browser/network: query params limit?, urlPattern?; returns { requests: [{ url, method, status, mimeType, responseSize, duration, timestamp }] }", "BrowserRuntime subscribes to Runtime.consoleAPICalled and Network.requestWillBeSent + Network.responseReceived events via CdpClient", "Messages/requests buffered in bounded ring buffers (max 1000 each) in BrowserRuntimeState", "Both routes registered in router.rs", "Typecheck passes" ], "priority": 15, "passes": true, "notes": "CDP events (Runtime.consoleAPICalled, Network.requestWillBeSent, Network.responseReceived) subscribed in start(). Network requests correlated via internal request_id field. Background tokio tasks populate ring buffers." }, { "id": "US-016", "title": "Add browser context (persistent profile) management", "description": "As a user, I need to create and manage persistent browser profiles for cookies/storage.", "acceptanceCriteria": [ "New file server/packages/sandbox-agent/src/browser_context.rs", "GET /v1/browser/contexts: returns { contexts: [{ id, name, createdAt, sizeBytes }] }", "POST /v1/browser/contexts: accepts { name }; creates user-data-dir at $STATE_DIR/browser-contexts/{id}/; returns { id, name, createdAt } (201)", "DELETE /v1/browser/contexts/:context_id: deletes context directory", "POST /v1/browser/start accepts contextId to set --user-data-dir to context's directory", "Add mod browser_context to lib.rs", "All routes registered in router.rs", "Typecheck passes" ], "priority": 16, "passes": false, "notes": "" }, { "id": "US-017", "title": "Add browser cookie management endpoints", "description": "As a user, I need to get, set, and clear cookies in the browser.", "acceptanceCriteria": [ "GET /v1/browser/cookies: query param url?; returns { cookies: [{ name, value, domain, path, expires, httpOnly, secure, sameSite }] } via Network.getCookies", "POST /v1/browser/cookies: accepts { cookies: [...] }; uses Network.setCookies; returns { ok: true }", "DELETE /v1/browser/cookies: query params name?, domain?; clears matching cookies", "All routes registered in router.rs", "Typecheck passes" ], "priority": 17, "passes": false, "notes": "" }, { "id": "US-018", "title": "Add browser crawl endpoint", "description": "As a user, I need to crawl multiple pages starting from a URL.", "acceptanceCriteria": [ "New file server/packages/sandbox-agent/src/browser_crawl.rs", "POST /v1/browser/crawl: accepts { url, maxPages? (default 10, max 100), maxDepth? (default 2), allowedDomains?, extract? (markdown|html|text|links) }", "Returns { pages: [{ url, title, content, links, status, depth }], totalPages, truncated }", "BFS crawl implementation: navigate, wait for load, extract content, collect links, filter by domain/depth", "Add mod browser_crawl to lib.rs", "Route registered in router.rs", "Typecheck passes" ], "priority": 18, "passes": false, "notes": "" }, { "id": "US-019", "title": "Add TypeScript SDK browser types", "description": "As a developer, I need TypeScript type definitions for all browser API requests and responses.", "acceptanceCriteria": [ "New file sdks/typescript/src/types/browser.ts with all interfaces: BrowserStartRequest, BrowserStatusResponse, BrowserTabInfo, BrowserPageInfo, BrowserNavigateRequest, BrowserScreenshotRequest, BrowserClickRequest, BrowserTypeRequest, BrowserCrawlRequest, BrowserCrawlResponse, BrowserContextInfo, BrowserCookie, and all other request/response types", "Types exported from sdks/typescript/src/types/index.ts (or equivalent barrel)", "Typecheck passes" ], "priority": 19, "passes": false, "notes": "" }, { "id": "US-020", "title": "Add TypeScript SDK browser lifecycle and CDP methods", "description": "As a developer, I need SDK methods for browser lifecycle and CDP access.", "acceptanceCriteria": [ "startBrowser(request?) method on SandboxAgent class calling POST /v1/browser/start", "stopBrowser() method calling POST /v1/browser/stop", "getBrowserStatus() method calling GET /v1/browser/status", "getBrowserCdpUrl() method returning ws://host:port/v1/browser/cdp", "Typecheck passes" ], "priority": 20, "passes": false, "notes": "" }, { "id": "US-021", "title": "Add TypeScript SDK browser navigation and tab methods", "description": "As a developer, I need SDK methods for navigating and managing tabs.", "acceptanceCriteria": [ "browserNavigate(request) method calling POST /v1/browser/navigate", "browserBack() method calling POST /v1/browser/back", "browserForward() method calling POST /v1/browser/forward", "browserReload(request?) method calling POST /v1/browser/reload", "browserWait(request) method calling POST /v1/browser/wait", "getBrowserTabs() method calling GET /v1/browser/tabs", "createBrowserTab(request?) method calling POST /v1/browser/tabs", "activateBrowserTab(tabId) method calling POST /v1/browser/tabs/:id/activate", "closeBrowserTab(tabId) method calling DELETE /v1/browser/tabs/:id", "Typecheck passes" ], "priority": 21, "passes": false, "notes": "" }, { "id": "US-022", "title": "Add TypeScript SDK browser content extraction methods", "description": "As a developer, I need SDK methods for extracting page content.", "acceptanceCriteria": [ "takeBrowserScreenshot(request?) returning Promise calling GET /v1/browser/screenshot", "getBrowserPdf(request?) returning Promise calling GET /v1/browser/pdf", "getBrowserContent(request?) calling GET /v1/browser/content", "getBrowserMarkdown() calling GET /v1/browser/markdown", "scrapeBrowser(request) calling POST /v1/browser/scrape", "getBrowserLinks() calling GET /v1/browser/links", "executeBrowserScript(request) calling POST /v1/browser/execute", "getBrowserSnapshot() calling GET /v1/browser/snapshot", "Typecheck passes" ], "priority": 22, "passes": false, "notes": "" }, { "id": "US-023", "title": "Add TypeScript SDK browser interaction methods", "description": "As a developer, I need SDK methods for interacting with page elements.", "acceptanceCriteria": [ "browserClick(request) calling POST /v1/browser/click", "browserType(request) calling POST /v1/browser/type", "browserSelect(request) calling POST /v1/browser/select", "browserHover(request) calling POST /v1/browser/hover", "browserScroll(request) calling POST /v1/browser/scroll", "browserUpload(request) calling POST /v1/browser/upload", "browserDialog(request) calling POST /v1/browser/dialog", "Typecheck passes" ], "priority": 23, "passes": false, "notes": "" }, { "id": "US-024", "title": "Add TypeScript SDK browser monitoring, crawl, context, and cookie methods", "description": "As a developer, I need SDK methods for monitoring, crawling, contexts, and cookies.", "acceptanceCriteria": [ "getBrowserConsole(request?) calling GET /v1/browser/console", "getBrowserNetwork(request?) calling GET /v1/browser/network", "crawlBrowser(request) calling POST /v1/browser/crawl", "getBrowserContexts() calling GET /v1/browser/contexts", "createBrowserContext(request) calling POST /v1/browser/contexts", "deleteBrowserContext(contextId) calling DELETE /v1/browser/contexts/:id", "getBrowserCookies(request?) calling GET /v1/browser/cookies", "setBrowserCookies(request) calling POST /v1/browser/cookies", "deleteBrowserCookies(request?) calling DELETE /v1/browser/cookies", "Typecheck passes" ], "priority": 24, "passes": false, "notes": "" }, { "id": "US-025", "title": "Add BrowserViewer React component", "description": "As a developer, I need a reusable React component for embedding the browser stream with navigation.", "acceptanceCriteria": [ "New file sdks/react/src/BrowserViewer.tsx", "BrowserViewerProps interface with client, className, style, height, showNavigationBar (default true), showStatusBar (default true), onNavigate, onConnect, onDisconnect, onError", "BrowserViewerClient type using Pick from SandboxAgent: connectDesktopStream, browserNavigate, browserBack, browserForward, browserReload, getBrowserStatus", "Wraps DesktopViewer with navigation bar (back, forward, reload buttons + URL input)", "Exported from sdks/react/src/index.ts", "Typecheck passes" ], "priority": 25, "passes": false, "notes": "" }, { "id": "US-026", "title": "Add Browser tab to Inspector UI - runtime control and live view sections", "description": "As a user, I need a Browser tab in the inspector for controlling and viewing the browser.", "acceptanceCriteria": [ "New file frontend/packages/inspector/src/components/debug/BrowserTab.tsx", "Tab registered in DebugPanel.tsx with Globe icon from lucide-react, added after desktop tab", "DebugTab type updated to include 'browser'", "Section 1 - Runtime Control: state pill, status grid (URL, Resolution, Started), config inputs (Width, Height, URL, Context dropdown), Start/Stop buttons, auto-refresh every 5s when active", "Section 2 - Live View: navigation bar (Back, Forward, Reload + URL input), DesktopViewer component for WebRTC stream, current URL display", "Typecheck passes", "Verify in browser using dev-browser skill" ], "priority": 26, "passes": false, "notes": "Follow DesktopTab.tsx patterns for card layout and state management" }, { "id": "US-027", "title": "Add Browser tab - screenshot, tabs, and console sections", "description": "As a user, I need screenshot capture, tab management, and console viewing in the inspector Browser tab.", "acceptanceCriteria": [ "Section 3 - Screenshot: format selector (PNG/JPEG/WebP), quality input, fullPage checkbox, selector input, screenshot button + preview image", "Section 4 - Tabs: list of open tabs with URL and title, active tab highlighted, per-tab Activate/Close buttons, New Tab button with URL input", "Section 5 - Console: level filter pills (All/Log/Warn/Error/Info), scrollable message list with level-colored indicators, auto-refresh every 3s, Clear button", "Typecheck passes", "Verify in browser using dev-browser skill" ], "priority": 27, "passes": false, "notes": "" }, { "id": "US-028", "title": "Add Browser tab - network, content tools, recording, contexts, diagnostics sections", "description": "As a user, I need network monitoring, content extraction, recording, context management, and diagnostics in the inspector.", "acceptanceCriteria": [ "Section 6 - Network: request list (method, URL, status, size, duration), URL pattern filter, auto-refresh every 3s", "Section 7 - Content Tools: Get HTML, Get Markdown, Get Links, Get Snapshot buttons with output textarea", "Section 8 - Recording: reuse desktop recording UI pattern (start/stop, FPS input, recording list with download/delete)", "Section 9 - Contexts: list contexts with name/date/size, create form, delete button, Use button to set contextId", "Section 10 - Diagnostics: last error details, process list (Xvfb, Chromium, Neko) with PIDs and running state", "Typecheck passes", "Verify in browser using dev-browser skill" ], "priority": 28, "passes": false, "notes": "" }, { "id": "US-029", "title": "Add browser API integration tests", "description": "As a developer, I need integration tests for the browser HTTP API.", "acceptanceCriteria": [ "New file server/packages/sandbox-agent/tests/browser_api.rs", "Test lifecycle: start, status shows active, stop, status shows inactive", "Test navigation: navigate to test page, back, forward, reload", "Test tabs: create tab, list shows 2 tabs, activate second, close first", "Test screenshots: capture PNG, JPEG, WebP; verify non-empty binary response", "Test content extraction: HTML contains expected elements, markdown is non-empty, links extracted", "Test interaction: click button, type in input, verify page state changed", "Test contexts: create context, list shows it, delete context", "Tests use static test HTML pages served from within the sandbox (no network deps)", "Update docker/test-agent/Dockerfile to include Chromium if not already present", "Tests pass" ], "priority": 29, "passes": false, "notes": "Run with: cargo test -p sandbox-agent --test browser_api" } ] }