fix(api): 註冊 Sentry Webhook Router (Phase 10.2.1)

- 新增 sentry_webhook_v1 import
- include_router 註冊 /api/v1/webhooks/sentry/* 路由
- 修復 Sentry Alert Rule → AWOOOI 連線

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/api/src/main.py

@@ -47,6 +47,9 @@ from src.api.v1 import incidents as incidents_v1  # Phase 6.4: Decision Proposal
 from src.api.v1 import metrics as metrics_v1  # Phase 7: Gold Metrics (真實血脈)
 from src.api.v1 import playbooks as playbooks_v1  # #7: Playbook 萃取
 from src.api.v1 import proposals as proposals_v1  # Phase 6.4h: Proposals CRUD API
+from src.api.v1 import (
+    sentry_webhook as sentry_webhook_v1,  # Phase 10.2.1: Sentry → Telegram
+)
 from src.api.v1 import stats as stats_v1  # Phase 6.5: Statistics Analytics
 from src.api.v1 import telegram as telegram_v1  # Phase 5.4: Telegram Gateway
 from src.api.v1 import timeline as timeline_v1
@@ -402,6 +405,9 @@ app.include_router(
 app.include_router(
     errors_v1.router, prefix="/api/v1", tags=["Errors"]
 )  # #40: Sentry 錯誤 BFF API
+app.include_router(
+    sentry_webhook_v1.router, prefix="/api/v1", tags=["Sentry Webhook"]
+)  # Phase 10.2.1: Sentry → Telegram
 app.include_router(
     proposals_router.router, tags=["Proposals (Legacy)"]
 )  # Phase 6.4g: lewooogo-brain (舊版)