feat: add wayland clipboard support

packages/coding-agent/CHANGELOG.md

@@ -9,6 +9,7 @@
 - `setActiveTools()` in ExtensionAPI for dynamic tool management
 - Built-in renderers used automatically for tool overrides without custom `renderCall`/`renderResult`
 - `ssh.ts` example: remote tool execution via `--ssh user@host:/path`
+- Wayland clipboard support for `/copy` command using wl-copy with xclip/xsel fallback ([#570](https://github.com/badlogic/pi-mono/pull/570) by [@OgulcanCelik](https://github.com/OgulcanCelik))
 
 ### Fixed
 

packages/coding-agent/src/utils/clipboard.ts

@@ -1,5 +1,6 @@
-import { execSync } from "child_process";
+import { execSync, spawn } from "child_process";
 import { platform } from "os";
+import { isWaylandSession } from "./clipboard-image.js";
 
 export function copyToClipboard(text: string): void {
 	const p = platform();
@@ -11,17 +12,41 @@ export function copyToClipboard(text: string): void {
 		} else if (p === "win32") {
 			execSync("clip", options);
 		} else {
-			// Linux - try xclip first, fall back to xsel
-			try {
-				execSync("xclip -selection clipboard", options);
-			} catch {
-				execSync("xsel --clipboard --input", options);
+			// Linux - try wl-copy for Wayland, fall back to xclip/xsel for X11
+			const isWayland = isWaylandSession();
+			if (isWayland) {
+				try {
+					// Verify wl-copy exists (spawn errors are async and won't be caught)
+					execSync("which wl-copy", { stdio: "ignore" });
+					// wl-copy with execSync hangs due to fork behavior; use spawn instead
+					const proc = spawn("wl-copy", [], { stdio: ["pipe", "ignore", "ignore"] });
+					proc.stdin.on("error", () => {
+						// Ignore EPIPE errors if wl-copy exits early
+					});
+					proc.stdin.write(text);
+					proc.stdin.end();
+					proc.unref();
+				} catch {
+					// Fall back to xclip/xsel (works on XWayland)
+					try {
+						execSync("xclip -selection clipboard", options);
+					} catch {
+						execSync("xsel --clipboard --input", options);
+					}
+				}
+			} else {
+				try {
+					execSync("xclip -selection clipboard", options);
+				} catch {
+					execSync("xsel --clipboard --input", options);
+				}
 			}
 		}
 	} catch (error) {
 		const msg = error instanceof Error ? error.message : String(error);
 		if (p === "linux") {
-			throw new Error(`Failed to copy to clipboard. Install xclip or xsel: ${msg}`);
+			const tools = isWaylandSession() ? "wl-copy, xclip, or xsel" : "xclip or xsel";
+			throw new Error(`Failed to copy to clipboard. Install ${tools}: ${msg}`);
 		}
 		throw new Error(`Failed to copy to clipboard: ${msg}`);
 	}