Add: just commands for release build

docs/API_SPEC.md

@@ -18,9 +18,9 @@ Auth: `Authorization: Bearer <token>` required on all endpoints except `/v1/heal
   "uptime_seconds": 12,
   "active_sprite_pack": "default",
   "capabilities": {
-    "supports_click_through": true,
+    "supports_click_through": false,
     "supports_transparency": true,
-    "supports_tray": true,
+    "supports_tray": false,
     "supports_global_hotkey": true,
     "supports_skip_taskbar": true
   }
@@ -70,6 +70,11 @@ Auth: `Authorization: Bearer <token>` required on all endpoints except `/v1/heal
 }
 ```
 
+## Compatibility Notes
+
+- `SetFlags.click_through` is deprecated for compatibility and ignored at runtime.
+- Frontend state always reports `flags.click_through = false`.
+
 ## Error Response
 
 ```json