feat(coding-agent): add Android/Termux support

- Make @mariozechner/clipboard an optional dependency
- Lazy-load clipboard module with graceful fallback
- Add Termux clipboard support via termux-clipboard-set
- Skip image clipboard on Termux (not supported)

fixes #1164

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

@@ -1,8 +1,22 @@
-import Clipboard from "@mariozechner/clipboard";
 import { spawnSync } from "child_process";
+import { createRequire } from "module";
 
 import { loadPhoton } from "./photon.js";
 
+type ClipboardModule = {
+	hasImage: () => boolean;
+	getImageBinary: () => Promise<Array<number>>;
+};
+
+const require = createRequire(import.meta.url);
+let Clipboard: ClipboardModule | null = null;
+
+try {
+	Clipboard = require("@mariozechner/clipboard") as ClipboardModule;
+} catch {
+	Clipboard = null;
+}
+
 export type ClipboardImage = {
 	bytes: Uint8Array;
 	mimeType: string;
@@ -168,12 +182,16 @@ export async function readClipboardImage(options?: {
 	const env = options?.env ?? process.env;
 	const platform = options?.platform ?? process.platform;
 
+	if (env.TERMUX_VERSION) {
+		return null;
+	}
+
 	let image: ClipboardImage | null = null;
 
 	if (platform === "linux" && isWaylandSession(env)) {
 		image = readClipboardImageViaWlPaste() ?? readClipboardImageViaXclip();
 	} else {
-		if (!Clipboard.hasImage()) {
+		if (!Clipboard || !Clipboard.hasImage()) {
 			return null;
 		}
 

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

@@ -17,7 +17,16 @@ export function copyToClipboard(text: string): void {
 		} else if (p === "win32") {
 			execSync("clip", options);
 		} else {
-			// Linux - try wl-copy for Wayland, fall back to xclip/xsel for X11
+			// Linux. Try Termux, Wayland, or X11 clipboard tools.
+			if (process.env.TERMUX_VERSION) {
+				try {
+					execSync("termux-clipboard-set", options);
+					return;
+				} catch {
+					// Fall back to Wayland or X11 tools.
+				}
+			}
+
 			const isWayland = isWaylandSession();
 			if (isWayland) {
 				try {