fix: get_file_commits use consistent caching (_cached/_set_cache)

app/services/gitea_client.py

@@ -387,14 +387,21 @@ class GiteaClient:
             del self._cache[k]
 
     async def get_file_commits(self, owner: str, repo: str, path: str) -> list[dict]:
-        """Get recent commits affecting a specific file."""
-        url = f"{self.base}/api/v1/repos/{owner}/{repo}/commits"
-        params = {"path": path, "limit": 20}
-        headers = {"Authorization": f"token {self.token[0] if self.token else ''}", "Accept": "application/json"}
-        async with httpx.AsyncClient(timeout=self.timeout) as client:
-            resp = await client.get(url, params=params, headers=headers)
+        """Get recent commits affecting a specific file (cached 5 min)."""
+        key = f"commits:{owner}:{repo}:{path}"
+        cached = self._cached(key)
+        if cached:
+            return cached
+        async with httpx.AsyncClient(timeout=15) as client:
+            resp = await client.get(
+                f"{self._base}/repos/{owner}/{repo}/commits",
+                headers=self._headers,
+                params={"path": path, "limit": 20},
+            )
             if resp.status_code == 200:
-                return resp.json()
+                data = resp.json()
+                self._set_cache(key, data)
+                return data
             return []