fix(ci): CD 修復 — shared-types 型別同步 + 測試冷啟動衝突

1. pnpm shared-types generate — 同步 Sprint 4 新增的 Pydantic model
2. test_evaluate_not_high_quality 修復 — 加 MEDIUM risk step 避免
   意外走冷啟動路徑 (Redis 未初始化 → COLD_START_DAILY_LIMIT)

11/11 auto_repair 測試通過

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/api/tests/test_auto_repair_service.py

@@ -178,7 +178,7 @@ class TestAutoRepairService:
 
     @pytest.mark.asyncio
     async def test_evaluate_not_high_quality(self, service, mock_playbook_service):
-        """Test when playbook is not high quality"""
+        """Test when playbook is not high quality and not cold-start eligible (MEDIUM risk)"""
         playbook = Playbook(
             playbook_id="PB-LOW-QUALITY",
             name="Low quality playbook",
@@ -188,7 +188,15 @@ class TestAutoRepairService:
                 alert_names=["HighCPU"],
                 affected_services=["test-service"],
             ),
-            repair_steps=[],
+            repair_steps=[
+                RepairStep(
+                    step_number=1,
+                    action_type=ActionType.KUBECTL,
+                    command="kubectl rollout restart",
+                    risk_level=RiskLevel.MEDIUM,  # MEDIUM → 不符合冷啟動 (需 LOW)
+                    description="restart deployment",
+                ),
+            ],
             success_count=2,  # < 3 (冷啟動門檻 2026-04-05)
             failure_count=0,
         )