feat(webchat): add personal assistant mode controls in settings

docs/plans/state.json

@@ -5453,6 +5453,20 @@
         "docs/plans/state.json"
       ],
       "test_status": "pnpm test:run src/frontends/tui/minimal.test.ts src/frontends/tui/commands.test.ts + pnpm typecheck passing"
+    },
+    "webchat-settings-personal-assistant-mode-controls": {
+      "status": "completed",
+      "date": "2026-02-18",
+      "updated": "2026-02-18",
+      "summary": "Productized the dashboard/settings surface with a new Personal Assistant Mode control block and runtime-safe patching for assistant-feel toggles (announce delivery, daily briefing, memory daily/proactive extraction cadence, and TTS channel gating). Extended config.patch allowlist and handler tests accordingly.",
+      "files_modified": [
+        "src/gateway/ui/pages/settings.js",
+        "src/gateway/ui/style.css",
+        "src/gateway/handlers/config.ts",
+        "src/gateway/handlers/handlers.test.ts",
+        "docs/plans/state.json"
+      ],
+      "test_status": "pnpm test:run src/gateway/handlers/handlers.test.ts + pnpm typecheck passing"
     }
   },
   "overall_progress": {