fix(captures): use platform hotkey defaults

app/src/components/ServerTab/CapturesPage.tsx

@@ -30,7 +30,7 @@ import { useProfiles } from '@/lib/hooks/useProfiles';
 import { usePlatform } from '@/platform/PlatformContext';
 import { useServerStore } from '@/stores/serverStore';
 import { cn } from '@/lib/utils/cn';
-import { displayLabelForKey, modifierSideHint } from '@/lib/utils/keyCodes';
+import { defaultChordKeys, displayLabelForKey, modifierSideHint } from '@/lib/utils/keyCodes';
 import type { Qwen3ModelSize, VoiceProfileResponse, WhisperModelSize } from '@/lib/api/types';
 import { SettingRow, SettingSection } from './SettingRow';
 
@@ -135,8 +135,8 @@ export function CapturesPage() {
   const allowAutoPaste = settings?.allow_auto_paste ?? true;
   const defaultVoiceId = settings?.default_playback_voice_id ?? null;
   const hotkeyEnabled = settings?.hotkey_enabled ?? false;
-  const pushToTalkKeys = settings?.chord_push_to_talk_keys ?? ['MetaRight', 'AltGr'];
-  const toggleToTalkKeys = settings?.chord_toggle_to_talk_keys ?? ['MetaRight', 'AltGr', 'Space'];
+  const pushToTalkKeys = settings?.chord_push_to_talk_keys ?? defaultChordKeys('push');
+  const toggleToTalkKeys = settings?.chord_toggle_to_talk_keys ?? defaultChordKeys('toggle');
 
   // Mock-only settings — not yet wired to a backend. Keep local so the UI
   // still responds while Phase 7 (hotkey / clipboard / paste) catches up.

app/src/lib/api/types.ts

@@ -213,9 +213,9 @@ export interface CaptureSettings {
   /** Whether the global keyboard hotkey is armed. Off by default — turning
    *  this on triggers the macOS Input Monitoring TCC prompt. */
   hotkey_enabled: boolean;
-  /** rdev::Key variant names. Defaults: ["MetaRight","AltGr"]. */
+  /** keytap key names. Defaults are platform-specific right-hand modifiers. */
   chord_push_to_talk_keys: string[];
-  /** rdev::Key variant names. Defaults: ["MetaRight","AltGr","Space"]. */
+  /** keytap key names. Toggle adds Space to the platform-specific PTT chord. */
   chord_toggle_to_talk_keys: string[];
 }
 

app/src/lib/utils/keyCodes.ts

@@ -1,13 +1,13 @@
 /**
  * Stable key-name vocabulary shared with the Rust `key_codes` module.
  *
- * The chord persistence layer stores rdev `Key` variant names ("MetaRight",
+ * The chord persistence layer stores keytap `Key` variant names ("MetaRight",
  * "AltGr", "KeyA", …) so the same array round-trips losslessly between
  * the picker UI, the SQLite settings row, and the global hotkey listener.
  *
  * This module owns the conversions between three vocabularies:
  *   - browser `KeyboardEvent` (`event.code` like "MetaRight" / "AltRight")
- *   - canonical chord key names (matches rdev variants)
+ *   - canonical chord key names (matches keytap variants)
  *   - human display labels ("⌘", "⌥", "A", …)
  */
 
@@ -16,8 +16,8 @@
  * `null` for keys we don't support in chords (dead keys, IME composition,
  * etc.).
  *
- * Browser quirk: right-Option on macOS is reported as `"AltRight"`; rdev
- * calls it `"AltGr"`. Normalize to rdev's name so the Rust side recognizes
+ * Browser quirk: right-Option on macOS is reported as `"AltRight"`; keytap
+ * calls it `"AltGr"`. Normalize to keytap's name so the Rust side recognizes
  * it without an aliasing layer.
  */
 export function canonicalKeyFromEvent(event: KeyboardEvent): string | null {
@@ -53,7 +53,7 @@ export function canonicalKeyFromEvent(event: KeyboardEvent): string | null {
     default:
       // Browser names like "MetaRight", "MetaLeft", "ControlLeft",
       // "ShiftRight", "Space", "KeyA", "Digit1", "F5" all match the
-      // rdev variant names directly.
+      // keytap variant names directly.
       if (
         /^(Meta|Control|Shift)(Left|Right)$/.test(code) ||
         /^Key[A-Z]$/.test(code) ||
@@ -72,6 +72,13 @@ export function canonicalKeyFromEvent(event: KeyboardEvent): string | null {
 const PLATFORM_IS_MAC =
   typeof navigator !== 'undefined' && /mac/i.test(navigator.platform);
 
+export function defaultChordKeys(mode: 'push' | 'toggle'): string[] {
+  const base = PLATFORM_IS_MAC
+    ? ['MetaRight', 'AltGr']
+    : ['ControlRight', 'ShiftRight'];
+  return mode === 'toggle' ? [...base, 'Space'] : base;
+}
+
 /**
  * Pretty label for a canonical key name. Picks platform-appropriate
  * modifier glyphs so macOS users see ⌘ and Windows/Linux users see Win.