feat: add Gitea readiness probe

src/main.py

@@ -30,6 +30,27 @@ def health() -> dict[str, str]:
     return {"status": "ok", "service": "stackchain-dashboard"}
 
 
+@app.get("/readyz")
+async def readiness():
+    """Return readiness after verifying the configured Gitea connection."""
+    try:
+        user = await current_user()
+    except Exception as exc:
+        return JSONResponse(
+            {
+                "status": "not_ready",
+                "service": "stackchain-dashboard",
+                "error": str(exc),
+            },
+            status_code=503,
+        )
+    return {
+        "status": "ready",
+        "service": "stackchain-dashboard",
+        "gitea_user": user["login"],
+    }
+
+
 @app.get("/api/v1/context")
 async def context() -> JSONResponse:
     try: