接入 Cloudflare 免费能力并修正跑道日高

.env.example

@@ -26,6 +26,14 @@ POLYWEATHER_REDIS_URL=redis://polyweather_redis:6379/0
 POLYWEATHER_REDIS_STREAM_KEY=stream:city_observation
 POLYWEATHER_REDIS_STREAM_MAXLEN=50000
 POLYWEATHER_REDIS_REQUIRED=true
+# Optional Cloudflare R2 cold archive for realtime SSE/event snapshots.
+POLYWEATHER_R2_ARCHIVE_SOURCE=redis
+POLYWEATHER_R2_ACCOUNT_ID=
+POLYWEATHER_R2_BUCKET=
+POLYWEATHER_R2_ENDPOINT_URL=
+POLYWEATHER_R2_REGION=auto
+POLYWEATHER_R2_ACCESS_KEY_ID=
+POLYWEATHER_R2_SECRET_ACCESS_KEY=
 # Backend CORS allowlist. Add your Vercel production/preview domains when
 # NEXT_PUBLIC_POLYWEATHER_API_BASE_URL points browsers directly at this backend.
 WEB_CORS_ORIGINS=http://localhost:3000,http://127.0.0.1:3000,https://polyweather.top,https://www.polyweather.top,https://api.polyweather.top
@@ -124,6 +132,10 @@ POLYWEATHER_MONITORING_ALERT_CHAT_IDS=
 ########################################
 NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID=
 NEXT_PUBLIC_WALLETCONNECT_POLYGON_RPC_URL=https://polygon-bor-rpc.publicnode.com
+NEXT_PUBLIC_TURNSTILE_SITE_KEY=
+POLYWEATHER_TURNSTILE_BYPASS=false
+POLYWEATHER_TURNSTILE_ENFORCE_ACTION=false
+POLYWEATHER_TURNSTILE_REQUIRE_PAYMENT_SUBMIT=false
 # Optional: disable homepage city summary preloading. Default is enabled.
 NEXT_PUBLIC_POLYWEATHER_DISABLE_EAGER_SUMMARIES=false
 # Optional: browser-visible FastAPI base URL for Vercel deployments.