Speed up app Playwright CI (#1830)

* ci(playwright): shard app e2e in CI

Run the app Playwright suite across isolated CI shards and keep restarted E2E daemons on the same speech-disabled setup path as global setup.

* test(app): share disabled speech e2e env

packages/app/e2e/helpers/speech-env.ts

@@ -0,0 +1,32 @@
+const LOCAL_SPEECH_ENV_KEYS = [
+  "PASEO_LOCAL_MODELS_DIR",
+  "PASEO_DICTATION_LOCAL_STT_MODEL",
+  "PASEO_VOICE_LOCAL_STT_MODEL",
+  "PASEO_VOICE_LOCAL_TTS_MODEL",
+  "PASEO_VOICE_LOCAL_TTS_SPEAKER_ID",
+  "PASEO_VOICE_LOCAL_TTS_SPEED",
+] as const;
+
+const DISABLED_E2E_SPEECH_ENV = {
+  PASEO_DICTATION_ENABLED: "0",
+  PASEO_VOICE_MODE_ENABLED: "0",
+  PASEO_DICTATION_STT_PROVIDER: "openai",
+  PASEO_VOICE_TURN_DETECTION_PROVIDER: "openai",
+  PASEO_VOICE_STT_PROVIDER: "openai",
+  PASEO_VOICE_TTS_PROVIDER: "openai",
+} as const;
+
+export function withDisabledE2ESpeechEnv(env: NodeJS.ProcessEnv): NodeJS.ProcessEnv {
+  // Default app E2E does not cover speech flows; keep restarts from starting
+  // background local-model downloads for unrelated tests.
+  const next: NodeJS.ProcessEnv = {
+    ...env,
+    ...DISABLED_E2E_SPEECH_ENV,
+  };
+
+  for (const key of LOCAL_SPEECH_ENV_KEYS) {
+    delete next[key];
+  }
+
+  return next;
+}