feat(phase32): 實作 review_push + gitea_webhook 改用本地 Ollama 審查

- local_code_review_service: 新增 review_push() 方法
  使用 qwen2.5-coder:7b 審查 push event（非 PR）
- gitea_webhook_service: _call_openclaw_push_review 改用本地推理
  OpenClaw 無 push-review 端點(404) → 改用 LocalCodeReviewService

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/api/src/services/local_code_review_service.py

@@ -180,6 +180,49 @@ class LocalCodeReviewService:
         except Exception as e:
             logger.warning("pr_review_db_save_failed", error=str(e))
 
+    async def review_push(
+        self,
+        repo_name: str,
+        branch: str,
+        commit_summary: str,
+        files_summary: str,
+    ) -> dict[str, Any] | None:
+        """
+        審查 push event（非 PR），用 qwen2.5-coder:7b 快速掃描
+        2026-04-10 Claude Sonnet 4.6: Phase 32 ADR-067 — gitea_webhook_service 呼叫
+        """
+        async with _SEMAPHORE:
+            prompt = (
+                f"你是資深程式審查員，請用繁體中文快速審查以下 Git Push。\n"
+                f"Repository: {repo_name}  Branch: {branch}\n\n"
+                f"=== Commits ===\n{commit_summary}\n\n"
+                f"=== Changed Files ===\n{files_summary}\n\n"
+                "請簡要說明：1) 有無明顯安全風險 2) 有無破壞性變更 3) 整體品質評估\n"
+                "格式：每個問題以「⚠️」開頭，如無問題說「✅ Push 品質正常」\n"
+                "5 行以內，繁體中文。"
+            )
+            try:
+                http = await self._get_http()
+                resp = await http.post(
+                    f"{settings.OLLAMA_URL}/api/generate",
+                    json={
+                        "model": _MODEL_OLLAMA,
+                        "prompt": prompt,
+                        "stream": False,
+                        "options": {"num_predict": 512, "temperature": 0.1},
+                    },
+                )
+                if resp.status_code == 200:
+                    text = resp.json().get("response", "").strip()
+                    issues = text.count("⚠️")
+                    logger.info("push_review_ollama_done", repo=repo_name, branch=branch, issues=issues)
+                    return {"review_text": text, "issues_count": issues, "model": _MODEL_OLLAMA, "provider": "ollama"}
+            except httpx.TimeoutException:
+                logger.warning("push_review_ollama_timeout", repo=repo_name)
+            except Exception as e:
+                logger.error("push_review_ollama_failed", repo=repo_name, error=str(e))
+            return None
+
     async def close(self) -> None:
         if self._http and not self._http.is_closed:
             await self._http.aclose()