diff --git a/package-lock.json b/package-lock.json
index b89f08d..38ade98 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7933,7 +7933,7 @@
     },
     "packages/server": {
       "name": "@johanleroy/git-arboretum",
-      "version": "3.5.0",
+      "version": "3.5.1",
       "license": "MIT",
       "dependencies": {
         "@fastify/cookie": "^11.0.0",
diff --git a/packages/desktop/CHANGELOG.md b/packages/desktop/CHANGELOG.md
index 089a72d..02b02a0 100644
--- a/packages/desktop/CHANGELOG.md
+++ b/packages/desktop/CHANGELOG.md
@@ -4,6 +4,13 @@ Notable changes to the Arboretum desktop app (`packages/desktop`). The daemon an
 extension keep their own changelogs in `packages/server/CHANGELOG.md` and
 `packages/vscode/CHANGELOG.md`.
 
+## 0.2.2
+
+- **Clipboard bridge.** The renderer cannot use `navigator.clipboard` (Electron rejects it with
+  `NotAllowedError`), so copying a terminal selection did nothing in the app even after 0.2.1. The
+  preload now exposes `arboretumDesktop.clipboard`, relaying to Electron's `clipboard` module over IPC
+  (read and write, writes capped at 1M chars). Ships the daemon 3.5.1, whose SPA uses that bridge first.
+
 ## 0.2.1
 
 Ships the daemon 3.5.0, which fixes the black window seen after updating the app.
diff --git a/packages/desktop/package-lock.json b/packages/desktop/package-lock.json
index a2b5f46..9cd7f84 100644
--- a/packages/desktop/package-lock.json
+++ b/packages/desktop/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@arboretum/desktop",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@arboretum/desktop",
-      "version": "0.2.1",
+      "version": "0.2.2",
       "license": "MIT",
       "devDependencies": {
         "@types/node": "^22.10.0",
diff --git a/packages/desktop/package.json b/packages/desktop/package.json
index 95e84bb..9d52df7 100644
--- a/packages/desktop/package.json
+++ b/packages/desktop/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@arboretum/desktop",
   "private": true,
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Self-hosted multi-project AI IDE for git worktrees and Claude Code sessions",
   "homepage": "https://git-arboretum.com",
   "repository": {
diff --git a/packages/desktop/src/main/clipboard.ts b/packages/desktop/src/main/clipboard.ts
new file mode 100644
index 0000000..9193132
--- /dev/null
+++ b/packages/desktop/src/main/clipboard.ts
@@ -0,0 +1,23 @@
+import { clipboard, ipcMain } from 'electron';
+import { CLIPBOARD_READ, CLIPBOARD_WRITE } from '../shared/ipc';
+
+// Pont presse-papier pour le renderer.
+//
+// Pourquoi il est nécessaire : dans Electron, `navigator.clipboard.writeText` ET `readText`
+// échouent en `NotAllowedError` (vérifié dans l'app packagée). La SPA ne pouvait donc PAS copier
+// la sélection d'un terminal, alors que la même page y arrive dans un navigateur. Le module
+// `clipboard` n'étant pas exposé aux preloads sandboxés, on passe par IPC.
+//
+// Portée : l'app charge exclusivement sa propre SPA locale servie par son daemon, et un terminal
+// web est déjà de l'exécution de code par conception : le presse-papier n'élargit pas la surface.
+// On borne quand même la taille écrite pour qu'une boucle accidentelle ne remplisse pas la mémoire.
+const MAX_WRITE_CHARS = 1_000_000;
+
+export function registerClipboardBridge(): void {
+  ipcMain.handle(CLIPBOARD_READ, () => clipboard.readText());
+  ipcMain.handle(CLIPBOARD_WRITE, (_event, text: unknown) => {
+    if (typeof text !== 'string' || text.length === 0) return false;
+    clipboard.writeText(text.slice(0, MAX_WRITE_CHARS));
+    return true;
+  });
+}
diff --git a/packages/desktop/src/main/main.ts b/packages/desktop/src/main/main.ts
index 3aa886f..32208f3 100644
--- a/packages/desktop/src/main/main.ts
+++ b/packages/desktop/src/main/main.ts
@@ -5,6 +5,7 @@ import { seedSessionCookie } from './auth';
 import { loadWindowState, saveWindowState } from './window-state';
 import { createTray } from './tray';
 import { installAppMenu } from './app-menu';
+import { registerClipboardBridge } from './clipboard';
 import { initUpdater } from './updater';
 import { resolveIconPath } from './paths';
 
@@ -39,6 +40,7 @@ async function bootstrap(): Promise<void> {
   const dataDir = join(app.getPath('userData'), 'daemon');
   daemon = await startDaemon({ dataDir, port: PORT, onLog: (l) => process.stdout.write(l) });
   await seedSessionCookie(PARTITION, daemon.url, daemon.token);
+  registerClipboardBridge();
   createWindow(daemon.url);
   installAppMenu({ url: daemon.url, onQuit: quitApp });
   tray = createTray({ show: showWindow, quit: quitApp });
diff --git a/packages/desktop/src/preload/preload.ts b/packages/desktop/src/preload/preload.ts
index 565cb8c..27bb43c 100644
--- a/packages/desktop/src/preload/preload.ts
+++ b/packages/desktop/src/preload/preload.ts
@@ -1,7 +1,16 @@
-import { contextBridge } from 'electron';
+import { contextBridge, ipcRenderer } from 'electron';
+import { CLIPBOARD_READ, CLIPBOARD_WRITE } from '../shared/ipc';
 
-// Preload minimal (sandbox activé) : expose seulement un marqueur permettant à la SPA de détecter
-// qu'elle tourne dans l'app de bureau. Aucun accès Node/fs exposé au renderer.
+// Preload minimal (sandbox activé) : un marqueur permettant à la SPA de détecter qu'elle tourne dans
+// l'app de bureau, plus un pont presse-papier. Aucun accès Node/fs exposé au renderer.
+//
+// Le pont existe parce que `navigator.clipboard` est refusé (NotAllowedError) dans le renderer
+// Electron : sans lui, impossible de copier la sélection d'un terminal depuis l'app. Le module
+// `clipboard` n'étant pas disponible dans un preload sandboxé, on relaie par IPC vers le main.
 contextBridge.exposeInMainWorld('arboretumDesktop', {
   isDesktop: true,
+  clipboard: {
+    readText: (): Promise<string> => ipcRenderer.invoke(CLIPBOARD_READ) as Promise<string>,
+    writeText: (text: string): Promise<boolean> => ipcRenderer.invoke(CLIPBOARD_WRITE, text) as Promise<boolean>,
+  },
 });
diff --git a/packages/desktop/src/shared/ipc.ts b/packages/desktop/src/shared/ipc.ts
new file mode 100644
index 0000000..a225031
--- /dev/null
+++ b/packages/desktop/src/shared/ipc.ts
@@ -0,0 +1,4 @@
+// Noms des canaux IPC, partagés entre le process principal et le preload. Isolés ici pour que le
+// bundle du preload n'ait pas à importer un module du main (qui tire `ipcMain` avec lui).
+export const CLIPBOARD_READ = 'arboretum:clipboard-read';
+export const CLIPBOARD_WRITE = 'arboretum:clipboard-write';
diff --git a/packages/server/CHANGELOG.md b/packages/server/CHANGELOG.md
index 425f568..51f78dd 100644
--- a/packages/server/CHANGELOG.md
+++ b/packages/server/CHANGELOG.md
@@ -3,6 +3,17 @@
 Notable changes to `@johanleroy/git-arboretum` (the Arboretum daemon). The VS Code
 extension keeps its own changelog in `packages/vscode/CHANGELOG.md`.
 
+## 3.5.1
+
+Completes the terminal copy & paste of 3.5.0, which only worked in a browser.
+
+- **Copy & paste inside the desktop app.** In the Electron renderer, `navigator.clipboard` rejects with
+  `NotAllowedError` for reads AND writes, so 3.5.0's copy silently did nothing there, exactly where the
+  problem had been reported. Clipboard access now goes through a cascade: the desktop app's own bridge
+  first (IPC to Electron's `clipboard` module, exposed by the preload), then `navigator.clipboard`, then
+  `document.execCommand('copy')` for writes, which also covers plain-HTTP access over a LAN where the
+  Clipboard API is unavailable.
+
 ## 3.5.0
 
 Fixes a black screen after every update, gives the web terminal a working copy & paste, and lets you
diff --git a/packages/server/package.json b/packages/server/package.json
index a8d6a0a..f02a62b 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@johanleroy/git-arboretum",
-  "version": "3.5.0",
+  "version": "3.5.1",
   "description": "Self-hosted multi-project AI IDE for git worktrees and the Claude Code sessions running on them",
   "license": "MIT",
   "type": "module",
diff --git a/packages/web/src/components/TerminalView.vue b/packages/web/src/components/TerminalView.vue
index 81f10d3..5b51cdf 100644
--- a/packages/web/src/components/TerminalView.vue
+++ b/packages/web/src/components/TerminalView.vue
@@ -27,7 +27,7 @@ import '@xterm/xterm/css/xterm.css';
 import { wsClient, type Attachment } from '../lib/ws-client';
 import { terminalTheme, TERMINAL_FONT_FAMILY } from '../lib/terminal-theme';
 import { resolvedTheme } from '../lib/theme';
-import { clipboardIntent, isMacPlatform } from '../lib/terminal-clipboard';
+import { clipboardIntent, isMacPlatform, readClipboard, writeClipboard } from '../lib/terminal-clipboard';
 
 const props = withDefaults(defineProps<{ sessionId: string; mode?: 'interactive' | 'observer' }>(), {
   mode: 'interactive',
@@ -155,20 +155,11 @@ onMounted(async () => {
   //     est invisible au DOM, on y injecte donc nous-mêmes le texte sélectionné.
   const copySelection = async (): Promise<void> => {
     const text = activeTerm.getSelection();
-    if (!text) return;
-    try {
-      await navigator.clipboard.writeText(text);
-    } catch {
-      /* presse-papier refusé (contexte non sécurisé) : le menu Édition natif reste disponible */
-    }
+    if (text) await writeClipboard(text);
   };
   const pasteClipboard = async (): Promise<void> => {
-    try {
-      const text = await navigator.clipboard.readText();
-      if (text) attachment?.sendStdin(text);
-    } catch {
-      /* lecture refusée : xterm reçoit de toute façon les collages natifs via son textarea */
-    }
+    const text = await readClipboard();
+    if (text) attachment?.sendStdin(text);
   };
   activeTerm.attachCustomKeyEventHandler((e) => {
     if (e.type !== 'keydown') return true;
diff --git a/packages/web/src/lib/terminal-clipboard.ts b/packages/web/src/lib/terminal-clipboard.ts
index adde73a..a0cbe8b 100644
--- a/packages/web/src/lib/terminal-clipboard.ts
+++ b/packages/web/src/lib/terminal-clipboard.ts
@@ -54,3 +54,79 @@ export function isMacPlatform(nav: { platform?: string; userAgent?: string } = n
   const p = `${nav.platform ?? ''} ${nav.userAgent ?? ''}`;
   return /Mac|iPhone|iPad|iPod/i.test(p);
 }
+
+// Accès au presse-papier, par ordre de fiabilité décroissante.
+//
+// 1. Le pont de l'app de bureau (`window.arboretumDesktop.clipboard`, IPC vers le module `clipboard`
+//    d'Electron). INDISPENSABLE : dans le renderer Electron, `navigator.clipboard` rejette en
+//    `NotAllowedError`, en lecture comme en écriture. Sans ce pont, copier depuis un terminal était
+//    impossible dans l'app alors que la même page y arrive dans un navigateur.
+// 2. `navigator.clipboard`, le chemin normal des navigateurs (contexte sécurisé requis).
+// 3. Pour l'écriture seulement, `document.execCommand('copy')` sur un textarea hors écran : déprécié
+//    mais il reste le seul recours en contexte non sécurisé (http://<ip>:7317 sans TLS, cas courant
+//    d'un accès LAN direct).
+
+interface DesktopClipboard {
+  readText?: () => Promise<string>;
+  writeText?: (text: string) => Promise<boolean>;
+}
+
+function desktopClipboard(): DesktopClipboard | null {
+  const bridge = (globalThis as { arboretumDesktop?: { clipboard?: DesktopClipboard } }).arboretumDesktop;
+  return bridge?.clipboard ?? null;
+}
+
+/** Copie via textarea hors écran : dernier recours quand aucune API presse-papier n'est permise. */
+function copyViaExecCommand(text: string): boolean {
+  if (typeof document === 'undefined') return false;
+  const area = document.createElement('textarea');
+  area.value = text;
+  // hors écran mais focusable : `display:none` ou `hidden` empêcheraient la sélection
+  area.setAttribute('aria-hidden', 'true');
+  area.style.cssText = 'position:fixed;top:-1000px;left:-1000px;opacity:0;';
+  document.body.appendChild(area);
+  try {
+    area.select();
+    return document.execCommand('copy');
+  } catch {
+    return false;
+  } finally {
+    area.remove();
+  }
+}
+
+export async function writeClipboard(text: string): Promise<boolean> {
+  if (!text) return false;
+  const bridge = desktopClipboard();
+  if (bridge?.writeText) {
+    try {
+      if (await bridge.writeText(text)) return true;
+    } catch {
+      /* pont indisponible : on tente les voies navigateur */
+    }
+  }
+  try {
+    await navigator.clipboard.writeText(text);
+    return true;
+  } catch {
+    return copyViaExecCommand(text);
+  }
+}
+
+export async function readClipboard(): Promise<string | null> {
+  const bridge = desktopClipboard();
+  if (bridge?.readText) {
+    try {
+      return await bridge.readText();
+    } catch {
+      /* pont indisponible : on tente la voie navigateur */
+    }
+  }
+  try {
+    return await navigator.clipboard.readText();
+  } catch {
+    // Lecture refusée (Electron sans pont, ou permission navigateur) : le collage natif du système
+    // (Ctrl+V / Cmd+V) reste opérationnel, xterm le reçoit via son textarea.
+    return null;
+  }
+}
diff --git a/packages/web/test/terminal-clipboard.test.ts b/packages/web/test/terminal-clipboard.test.ts
index 45d1f15..4936743 100644
--- a/packages/web/test/terminal-clipboard.test.ts
+++ b/packages/web/test/terminal-clipboard.test.ts
@@ -1,5 +1,11 @@
-import { describe, it, expect } from 'vitest';
-import { clipboardIntent, isMacPlatform, type ClipboardKey } from '../src/lib/terminal-clipboard';
+import { describe, it, expect, afterEach, vi } from 'vitest';
+import {
+  clipboardIntent,
+  isMacPlatform,
+  readClipboard,
+  writeClipboard,
+  type ClipboardKey,
+} from '../src/lib/terminal-clipboard';
 
 function key(k: string, mods: Partial<ClipboardKey> = {}): ClipboardKey {
   return { key: k, ctrlKey: false, shiftKey: false, metaKey: false, altKey: false, ...mods };
@@ -57,6 +63,51 @@ describe('clipboardIntent (macOS)', () => {
   });
 });
 
+// Le pont de l'app de bureau doit primer : dans Electron, navigator.clipboard rejette en
+// NotAllowedError (lecture ET écriture), ce qui rendait la copie impossible depuis un terminal.
+describe('writeClipboard / readClipboard', () => {
+  // `globalThis.navigator` est un getter en Node : seul stubGlobal sait le remplacer proprement.
+  const stub = (name: string, value: unknown): void => vi.stubGlobal(name, value);
+  afterEach(() => {
+    vi.unstubAllGlobals();
+  });
+
+  it('écrit par le pont desktop quand il est présent', async () => {
+    const writeText = vi.fn().mockResolvedValue(true);
+    stub('arboretumDesktop', { clipboard: { writeText } });
+    stub('navigator', { clipboard: { writeText: vi.fn().mockRejectedValue(new Error('NotAllowedError')) } });
+    expect(await writeClipboard('bonjour')).toBe(true);
+    expect(writeText).toHaveBeenCalledWith('bonjour');
+  });
+
+  it('retombe sur navigator.clipboard si le pont échoue', async () => {
+    stub('arboretumDesktop', { clipboard: { writeText: vi.fn().mockRejectedValue(new Error('ipc down')) } });
+    const navWrite = vi.fn().mockResolvedValue(undefined);
+    stub('navigator', { clipboard: { writeText: navWrite } });
+    expect(await writeClipboard('secours')).toBe(true);
+    expect(navWrite).toHaveBeenCalledWith('secours');
+  });
+
+  it('ne tente rien pour un texte vide', async () => {
+    const writeText = vi.fn();
+    stub('arboretumDesktop', { clipboard: { writeText } });
+    expect(await writeClipboard('')).toBe(false);
+    expect(writeText).not.toHaveBeenCalled();
+  });
+
+  it('lit par le pont desktop, sinon par navigator, sinon null', async () => {
+    stub('arboretumDesktop', { clipboard: { readText: vi.fn().mockResolvedValue('du pont') } });
+    expect(await readClipboard()).toBe('du pont');
+
+    stub('arboretumDesktop', undefined);
+    stub('navigator', { clipboard: { readText: vi.fn().mockResolvedValue('du navigateur') } });
+    expect(await readClipboard()).toBe('du navigateur');
+
+    stub('navigator', { clipboard: { readText: vi.fn().mockRejectedValue(new Error('NotAllowedError')) } });
+    expect(await readClipboard()).toBeNull();
+  });
+});
+
 describe('isMacPlatform', () => {
   it('reconnaît macOS et iPadOS, pas Linux ni Windows', () => {
     expect(isMacPlatform({ platform: 'MacIntel', userAgent: 'Mozilla/5.0 (Macintosh)' })).toBe(true);