v2.8.0 WIP: create/upload files + commit history + labels sync

- POST /api/gitea/projects/{owner}/{repo}/upload (binary upload)
- get_file_commits() in GiteaClient
- GET /api/gitea/projects/{owner}/{repo}/commits (per-file history)
- POST .../sync-labels (Gitea labels → FlowDeck tags)
- New file form + upload button in gitea_workspace.html topbar

app/services/gitea_client.py

@@ -386,6 +386,17 @@ class GiteaClient:
         for k in keys:
             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)
+            if resp.status_code == 200:
+                return resp.json()
+            return []
+
 
 # ── singleton ──