refactor: 移除 LiteLLM proxy 架构，后端直连 Provider API

- 移除 backend/scripts/build_litellm_proxy_config.py
- 简化 LiteLLMService，移除 run_completion_with_cost 方法
- AgentScopeRunner 改为从 LlmFactory 获取 api_base 和 api_key
- 部署配置移除 litellm/litellm-config-job 服务
- Flutter 新增 AuthBootScreen 引导页
- Android 添加通知权限 (POST_NOTIFICATIONS, RECEIVE_BOOT_COMPLETED, SCHEDULE_EXACT_ALARM)
- 优化 LocalNotificationService 调度失败 fallback
- 更新 manifest.json (version 3)

deploy/docker-compose.prod.yml

@@ -23,50 +23,6 @@ services:
             timeout: 3s
             retries: 10
 
-    litellm-config-job:
-        image: ${SOCIAL_BACKEND_IMAGE:-social-app-backend:prod}
-        container_name: social-prod-litellm-config-job
-        restart: "no"
-        env_file:
-            - ./.env.prod
-        environment:
-            - PYTHONPATH=/app/backend/src
-            - PYTHONDONTWRITEBYTECODE=1
-        command: >
-            .venv/bin/python backend/scripts/build_litellm_proxy_config.py --output /config/litellm-proxy-config.yaml
-        volumes:
-            - litellm_config:/config
-        depends_on:
-            redis:
-                condition: service_healthy
-
-    litellm:
-        image: ghcr.io/berriai/litellm@sha256:b959a1816fa454a14d2842242d0fa1cd0d39f96fc94d3a1f4e1de4e48e2398c6
-        container_name: social-prod-litellm
-        restart: unless-stopped
-        env_file:
-            - ./.env.prod
-        command: >
-            --config /config/litellm-proxy-config.yaml --host ${SOCIAL_LITELLM__BIND_HOST:-0.0.0.0} --port ${SOCIAL_LITELLM__PORT:-3875}
-        volumes:
-            - litellm_config:/config:ro
-        depends_on:
-            redis:
-                condition: service_healthy
-            litellm-config-job:
-                condition: service_completed_successfully
-        healthcheck:
-            test:
-                [
-                    "CMD",
-                    "python",
-                    "-c",
-                    "import os,sys,urllib.request;port=os.getenv('SOCIAL_LITELLM__PORT','3875');u=f'http://127.0.0.1:{port}/health';sys.exit(0 if urllib.request.urlopen(u, timeout=3).getcode() < 500 else 1)",
-                ]
-            interval: 15s
-            timeout: 5s
-            retries: 10
-
     web:
         image: ${SOCIAL_BACKEND_IMAGE:-social-app-backend:prod}
         container_name: social-prod-web
@@ -80,8 +36,6 @@ services:
             - SOCIAL_RUNTIME__ENVIRONMENT=${SOCIAL_RUNTIME__ENVIRONMENT:-prod}
             - SOCIAL_REDIS__HOST=redis
             - SOCIAL_REDIS__PORT=6379
-            - SOCIAL_LITELLM__HOST=litellm
-            - SOCIAL_LITELLM__PORT=${SOCIAL_LITELLM__PORT:-3875}
         command: >
             sh -c '.venv/bin/uvicorn app:app --host ${SOCIAL_WEB__HOST:-0.0.0.0} --port ${SOCIAL_WEB__PORT:-5775} --workers ${SOCIAL_WEB__WORKERS:-2} --log-level $(printf "%s" "${SOCIAL_RUNTIME__LOG_LEVEL:-info}" | tr "[:upper:]" "[:lower:]")'
         ports:
@@ -89,8 +43,6 @@ services:
         depends_on:
             redis:
                 condition: service_healthy
-            litellm:
-                condition: service_healthy
         volumes:
             - ../logs:/app/logs
             - ./static/releases:/app/deploy/static/releases:ro
@@ -119,15 +71,11 @@ services:
             - SOCIAL_RUNTIME__ENVIRONMENT=${SOCIAL_RUNTIME__ENVIRONMENT:-prod}
             - SOCIAL_REDIS__HOST=redis
             - SOCIAL_REDIS__PORT=6379
-            - SOCIAL_LITELLM__HOST=litellm
-            - SOCIAL_LITELLM__PORT=${SOCIAL_LITELLM__PORT:-3875}
         command: >
             sh -c '.venv/bin/taskiq worker core.taskiq.app:critical_broker core.agentscope.runtime.tasks --workers ${SOCIAL_WORKER__GROUPS__CRITICAL__CONCURRENCY:-2}'
         depends_on:
             redis:
                 condition: service_healthy
-            litellm:
-                condition: service_healthy
         volumes:
             - ../logs:/app/logs
             - ./static/releases:/app/deploy/static/releases:ro
@@ -145,15 +93,11 @@ services:
             - SOCIAL_RUNTIME__ENVIRONMENT=${SOCIAL_RUNTIME__ENVIRONMENT:-prod}
             - SOCIAL_REDIS__HOST=redis
             - SOCIAL_REDIS__PORT=6379
-            - SOCIAL_LITELLM__HOST=litellm
-            - SOCIAL_LITELLM__PORT=${SOCIAL_LITELLM__PORT:-3875}
         command: >
             sh -c '.venv/bin/taskiq worker core.taskiq.app:default_broker core.agentscope.runtime.tasks --workers ${SOCIAL_WORKER__GROUPS__DEFAULT__CONCURRENCY:-2}'
         depends_on:
             redis:
                 condition: service_healthy
-            litellm:
-                condition: service_healthy
         volumes:
             - ../logs:/app/logs
             - ./static/releases:/app/deploy/static/releases:ro
@@ -171,15 +115,11 @@ services:
             - SOCIAL_RUNTIME__ENVIRONMENT=${SOCIAL_RUNTIME__ENVIRONMENT:-prod}
             - SOCIAL_REDIS__HOST=redis
             - SOCIAL_REDIS__PORT=6379
-            - SOCIAL_LITELLM__HOST=litellm
-            - SOCIAL_LITELLM__PORT=${SOCIAL_LITELLM__PORT:-3875}
         command: >
             sh -c '.venv/bin/taskiq worker core.taskiq.app:bulk_broker core.agentscope.runtime.tasks --workers ${SOCIAL_WORKER__GROUPS__BULK__CONCURRENCY:-1}'
         depends_on:
             redis:
                 condition: service_healthy
-            litellm:
-                condition: service_healthy
         volumes:
             - ../logs:/app/logs
             - ./static/releases:/app/deploy/static/releases:ro
@@ -197,14 +137,10 @@ services:
             - SOCIAL_RUNTIME__ENVIRONMENT=${SOCIAL_RUNTIME__ENVIRONMENT:-prod}
             - SOCIAL_REDIS__HOST=redis
             - SOCIAL_REDIS__PORT=6379
-            - SOCIAL_LITELLM__HOST=litellm
-            - SOCIAL_LITELLM__PORT=${SOCIAL_LITELLM__PORT:-3875}
         command: .venv/bin/python -m core.runtime.cli bootstrap
         depends_on:
             redis:
                 condition: service_healthy
-            litellm:
-                condition: service_healthy
         volumes:
             - ../logs:/app/logs
             - ./static/releases:/app/deploy/static/releases:ro
@@ -213,4 +149,3 @@ services:
 
 volumes:
     redis_data:
-    litellm_config: