diff --git a/package.json b/package.json
index c8c84c2..42b1004 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,8 @@
     "build": "npm run build:main && npm run build:renderer",
     "build:main": "tsc -p tsconfig.main.json",
     "build:renderer": "vite build",
-    "start": "electron dist/main/main/index.js",
+    "start": "VITE_DEV_SERVER=1 electron dist/main/main/index.js",
+    "start:prod": "electron dist/main/main/index.js",
     "lint": "eslint src --ext .ts,.tsx",
     "typecheck": "tsc -p tsconfig.main.json --noEmit && tsc -p tsconfig.renderer.json --noEmit",
     "package": "npm run build && electron-builder",
diff --git a/src/main/companion-manager.ts b/src/main/companion-manager.ts
index 7c8be60..affe63d 100644
--- a/src/main/companion-manager.ts
+++ b/src/main/companion-manager.ts
@@ -1,4 +1,4 @@
-import { app, systemPreferences } from 'electron';
+import { app, systemPreferences, shell, desktopCapturer } from 'electron';
 import { ClaudeAPI } from './services/claude-api';
 import { OpenAIAPI } from './services/openai-api';
 import { OllamaAPI } from './services/ollama-api';
@@ -293,8 +293,40 @@ export class CompanionManager {
   }
 
   async requestPermission(kind: string): Promise<void> {
-    if (process.platform === 'darwin' && kind === 'microphone') {
-      await systemPreferences.askForMediaAccess('microphone');
+    if (process.platform !== 'darwin') return;
+
+    if (kind === 'microphone') {
+      const status = systemPreferences.getMediaAccessStatus('microphone');
+      if (status === 'not-determined') {
+        await systemPreferences.askForMediaAccess('microphone');
+      } else if (status === 'denied' || status === 'restricted') {
+        // The OS only shows the prompt once; after denial the user must
+        // re-enable us in System Settings. Deeplink straight to the pane.
+        shell.openExternal(
+          'x-apple.systempreferences:com.apple.preference.security?Privacy_Microphone',
+        );
+      }
+      return;
+    }
+
+    if (kind === 'screen') {
+      const status = systemPreferences.getMediaAccessStatus('screen');
+      if (status === 'not-determined') {
+        // No askForMediaAccess equivalent for screen — but actually
+        // *attempting* a capture provokes the system prompt the first time.
+        try {
+          await desktopCapturer.getSources({
+            types: ['screen'],
+            thumbnailSize: { width: 1, height: 1 },
+          });
+        } catch (err) {
+          console.error('[Flicky] screen permission probe failed:', err);
+        }
+      } else if (status === 'denied' || status === 'restricted') {
+        shell.openExternal(
+          'x-apple.systempreferences:com.apple.preference.security?Privacy_ScreenCapture',
+        );
+      }
     }
   }
 
diff --git a/src/main/index.ts b/src/main/index.ts
index 28ec65f..7265d77 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -181,15 +181,32 @@ app.whenReady().then(() => {
   }
 
   // Register global push-to-talk shortcut.
-  // globalShortcut fires repeatedly on key-repeat while held, so we
-  // debounce: the first press starts recording, subsequent repeats are
-  // ignored, and we stop recording after the shortcut hasn't fired for
-  // a short window (meaning the key was released).
+  //
+  // Windows/Linux: globalShortcut fires repeatedly on OS key-repeat while
+  // the accelerator is held, so we debounce — first press starts recording,
+  // subsequent repeats are ignored, and we stop after no fires for 250 ms
+  // (meaning the key was released).
+  //
+  // macOS: globalShortcut fires exactly once on press; the OS does not
+  // repeat global accelerators and Electron exposes no key-up event. We
+  // can't implement true press-and-hold without a native key-event hook,
+  // so fall back to toggle: first tap starts, second tap stops.
   let pttDebounceTimer: ReturnType<typeof setTimeout> | null = null;
   let pttActive = false;
   let currentShortcut = '';
+  const isMac = process.platform === 'darwin';
 
   const pttHandler = () => {
+    if (isMac) {
+      if (!pttActive) {
+        pttActive = true;
+        companion.startPushToTalk();
+      } else {
+        pttActive = false;
+        companion.stopPushToTalk();
+      }
+      return;
+    }
     if (pttDebounceTimer) {
       clearTimeout(pttDebounceTimer);
       pttDebounceTimer = null;
diff --git a/src/renderer/components/PanelApp.tsx b/src/renderer/components/PanelApp.tsx
index aac7f9f..2b79c2b 100644
--- a/src/renderer/components/PanelApp.tsx
+++ b/src/renderer/components/PanelApp.tsx
@@ -6,6 +6,7 @@ import { MindTab } from './panel/MindTab';
 import { VoiceTab } from './panel/VoiceTab';
 import { EarTab } from './panel/EarTab';
 import { GeneralTab } from './panel/GeneralTab';
+import { PermissionsBanner } from './panel/PermissionsBanner';
 import { CursorIcon } from './CursorIcon';
 
 type Tab = 'home' | 'chats' | 'mind' | 'voice' | 'ear' | 'general';
@@ -83,6 +84,7 @@ export function PanelApp() {
       </aside>
 
       <main className="main">
+        <PermissionsBanner />
         {tab === 'home' && (
           <HomeTab
             voiceState={voiceState}
diff --git a/src/renderer/components/panel/PermissionsBanner.tsx b/src/renderer/components/panel/PermissionsBanner.tsx
new file mode 100644
index 0000000..675a009
--- /dev/null
+++ b/src/renderer/components/panel/PermissionsBanner.tsx
@@ -0,0 +1,60 @@
+import { useEffect, useState } from 'react';
+
+type Perms = Record<string, boolean>;
+
+const ROWS: Array<{ kind: 'microphone' | 'screen'; label: string; reason: string }> = [
+  {
+    kind: 'microphone',
+    label: 'Microphone',
+    reason: 'so Flicky can hear you when you push to talk',
+  },
+  {
+    kind: 'screen',
+    label: 'Screen Recording',
+    reason: 'so Flicky can see your screen and point at things',
+  },
+];
+
+export function PermissionsBanner() {
+  const [perms, setPerms] = useState<Perms | null>(null);
+
+  useEffect(() => {
+    if (process.platform !== 'darwin') return;
+    window.flicky.getPermissions().then(setPerms);
+    const unsub = window.flicky.onPermissionStatus(setPerms);
+    return () => { unsub(); };
+  }, []);
+
+  if (process.platform !== 'darwin') return null;
+  if (!perms) return null;
+
+  const missing = ROWS.filter((r) => !perms[r.kind]);
+  if (missing.length === 0) return null;
+
+  return (
+    <div className="perm-banner">
+      <div className="perm-banner-head">
+        <span className="perm-banner-title">Flicky needs a few permissions</span>
+        <span className="perm-banner-sub">
+          macOS controls access per-app. Without these, Flicky can&apos;t hear you or see your screen.
+        </span>
+      </div>
+      <div className="perm-banner-rows">
+        {missing.map((r) => (
+          <div className="perm-banner-row" key={r.kind}>
+            <div className="perm-banner-text">
+              <span className="perm-banner-label">{r.label}</span>
+              <span className="perm-banner-reason">{r.reason}</span>
+            </div>
+            <button
+              className="perm-banner-btn"
+              onClick={() => window.flicky.requestPermission(r.kind)}
+            >
+              Grant
+            </button>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
diff --git a/src/renderer/styles/panel.css b/src/renderer/styles/panel.css
index dbe6877..567e073 100644
--- a/src/renderer/styles/panel.css
+++ b/src/renderer/styles/panel.css
@@ -1125,3 +1125,42 @@ button.provider-pick:hover {
   background: var(--fl-border); border-radius: 999px;
 }
 .catalog-scroll::-webkit-scrollbar-thumb:hover { background: var(--fl-border-strong); }
+
+/* ── Permissions banner ─────────────────────────────────────────── */
+.perm-banner {
+  margin: 18px 28px 0;
+  padding: 14px 16px;
+  border: 1px solid var(--fl-warn);
+  background: var(--fl-warn-bg);
+  border-radius: 10px;
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+.perm-banner-head { display: flex; flex-direction: column; gap: 2px; }
+.perm-banner-title {
+  font-size: 13px; font-weight: 600; color: var(--fl-ink);
+}
+.perm-banner-sub {
+  font-size: 12px; color: var(--fl-muted);
+}
+.perm-banner-rows { display: flex; flex-direction: column; gap: 6px; }
+.perm-banner-row {
+  display: flex; align-items: center; justify-content: space-between;
+  gap: 12px; padding: 8px 10px;
+  background: rgba(0,0,0,0.18); border-radius: 8px;
+}
+.perm-banner-text { display: flex; flex-direction: column; gap: 1px; }
+.perm-banner-label {
+  font-size: 12.5px; font-weight: 600; color: var(--fl-ink-soft);
+}
+.perm-banner-reason {
+  font-size: 11.5px; color: var(--fl-muted);
+}
+.perm-banner-btn {
+  font-size: 12px; font-weight: 600;
+  color: #1a1a1f; background: var(--fl-warn);
+  padding: 6px 14px; border-radius: 6px;
+  border: none; cursor: pointer;
+}
+.perm-banner-btn:hover { filter: brightness(1.08); }