Add Gitea commit lookup tools

app/gitea_client.py

@@ -142,6 +142,34 @@ class GiteaClient:
         )
         return result if isinstance(result, list) else []
 
+    def list_commits(
+        self,
+        owner: str,
+        repo: str,
+        sha: str | None = None,
+        path: str | None = None,
+        limit: int = 20,
+        page: int = 1,
+    ) -> list[dict[str, Any]]:
+        query = {"limit": str(limit), "page": str(page)}
+        if sha:
+            query["sha"] = sha
+        if path:
+            query["path"] = path
+        result = self._request(
+            "GET",
+            f"/repos/{_quote(owner)}/{_quote(repo)}/commits",
+            query=query,
+        )
+        return result if isinstance(result, list) else []
+
+    def get_commit(self, owner: str, repo: str, sha: str) -> dict[str, Any]:
+        result = self._request(
+            "GET",
+            f"/repos/{_quote(owner)}/{_quote(repo)}/git/commits/{_quote(sha)}",
+        )
+        return result if isinstance(result, dict) else {}
+
     def _request(
         self,
         method: str,