feat: Add OpenClaw agent spawning, backend configuration, and frontend API types.

backend/app/config.py

@@ -16,7 +16,7 @@ class Settings(BaseSettings):
     TELEGRAM_CHAT_ID: str = ""
 
     # OpenClaw
-    OPENCLAW_WORKSPACE: str = "/home/foxy/.openclaw/workspace"
+    FOXY_WORKSPACE: str = "/home/foxy/.openclaw/workspace"
 
     # Gitea
     GITEA_SERVER: str = ""

backend/app/openclaw.py

@@ -128,7 +128,7 @@ async def spawn_agent(
             *cmd,
             stdout=asyncio.subprocess.PIPE,
             stderr=asyncio.subprocess.PIPE,
-            cwd=settings.OPENCLAW_WORKSPACE,
+            cwd=settings.FOXY_WORKSPACE,
         )
 
         # Wait briefly to check for immediate failure