refactor(identity): 统一网页认证配置来源

移除旧 OIDC_* 与 VITE_OIDC_* 业务配置读取，统一使用数据库 Revision 和 SecretStore 引用构建运行时。同步更新 Compose、示例配置、接入文档及集成测试，并保留数据库、SecretStore 和安全事件健康窗口等部署级参数。\n\n验证：go test ./...；go test -race ./...；go vet ./...；pnpm test；pnpm lint；pnpm build；docker compose config -q

Dockerfile

@@ -71,13 +71,9 @@ COPY packages packages
 COPY apps/web apps/web
 
 ARG VITE_GATEWAY_API_BASE_URL=/gateway-api
-ARG VITE_OIDC_ENABLED=false
-ARG VITE_OIDC_BROWSER_SESSION_ENABLED=true
 ARG VITE_BASE_PATH=/
 ENV VITE_GATEWAY_API_BASE_URL=$VITE_GATEWAY_API_BASE_URL
-ENV VITE_OIDC_ENABLED=$VITE_OIDC_ENABLED \
-    VITE_OIDC_BROWSER_SESSION_ENABLED=$VITE_OIDC_BROWSER_SESSION_ENABLED \
-    VITE_BASE_PATH=$VITE_BASE_PATH
+ENV VITE_BASE_PATH=$VITE_BASE_PATH
 RUN pnpm --filter @easyai-ai-gateway/web build
 
 FROM ${WEB_RUNTIME_IMAGE} AS web