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life-echo/api/.env.example
Kevin 786ebf8ae6 refactor(api,expo): 多智能体与会话收敛、回忆录兼容层移除、后端测试集大幅删减 
- 对齐「多智能体收敛」与「回忆录 stories-first / markdown-first」方向：收紧运行时契约、
  删除过渡兼容路径与双轨逻辑，并同步更新客户端与文档。

- Chat：以 ChatOrchestrator 为实时编排入口；删除独立 conversation_agent，精简 prompts。
- Memoir：删除 memory_agent；MemoirOrchestrator、classification / story_route 与 prompts 收敛到
  prepare_batches + run_story_pipeline_for_category_batch 主链路。
- 将 agents 侧 processor 迁入 feature 层为 background_runner，并移除 features 下重复/过时
  processor 封装。

- 新增 history_store，强化「conversation_messages 为 DB 真源、Redis 为缓存」模型。
- 调整 models、repo、service、session_history；精简 WS message_types，重构 pipeline 与 router。

- 移除章节占位、整章再生等旧路径；章节列表与封面逻辑要求 story 关联；收紧 cover 资格与
  enqueue。
- helpers、repo、service、router、reading_segment_materialize、story_pipeline_sync、pdf_service
  等按 canonical markdown / cover_asset_id 收缩；删除 memoir_images/provider 等冗余。
- tasks：memoir_tasks、chapter_cover_tasks 等大幅瘦身；story_image_tasks 等与当前图片任务对齐。

- core：config、logging、redis、task_tracker 小幅调整。
- auth / user / payment / quota：路由或服务侧删减过时接口或逻辑（如 payment router 行数减少）。

- pyproject.toml、development.sh、.env.example / .env.production、README 等同步说明或变量。

- Alembic 0001_initial_schema 微调（与当前 schema 叙事一致的小改动）。

- 回忆录：types / mappers / api、章节页与 memoir 页与后端契约对齐；markdown-renderer 调整。
- 语音：删除 voice/player，voice-segment-store 相应精简。

- api/tests：删除 conftest 及绝大部分既有测试文件（websocket_baseline、conversation、memoir
  图片、PDF、SMS 等），属有意收缩/待按 backend-test-system 重建的信号。
- docs：新增多智能体收敛与移除兼容层计划摘要；更新 story-first 设计、backend-test-system、
  multi-agent-refactor-plan、实施总结等。

BREAKING CHANGE: 后端对外契约、回忆录章节字段与若干路由/任务行为已变更；大量 API 测试被移除，
  CI 若依赖这些用例需按新策略补测或调整流水线。
2026-03-22 18:10:28 +08:00

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# =============================================================================
# Life Echo API environment example
# 复制为 .env 或 .env.production 后按实际环境修改
# 不要把真实密钥提交到仓库
# =============================================================================
# =============================================================================
# Logging（loguru sink 最低级别：TRACE / DEBUG / INFO / WARNING / ERROR / CRITICAL）
# =============================================================================
LOG_LEVEL=INFO
# =============================================================================
# LLM / DeepSeek
# =============================================================================
DEEPSEEK_API_KEY=your_deepseek_api_key
DEEPSEEK_BASE_URL=https://api.deepseek.com
DEEPSEEK_MODEL=deepseek-chat
# =============================================================================
# Database
# =============================================================================
# 本地开发示例:
# DATABASE_URL=postgresql://postgres:postgres@localhost:5432/life_echo
# Docker / production 示例:
# DATABASE_URL=postgresql://postgres:postgres@postgres:5432/life_echo
DATABASE_URL=postgresql://postgres:postgres@localhost:5432/life_echo
# =============================================================================
# Redis
# =============================================================================
# 本地开发示例:
# REDIS_URL=redis://localhost:6379/0
# Docker / production 示例:
# REDIS_URL=redis://redis:6379/0
REDIS_URL=redis://localhost:6379/0
REDIS_SESSION_TTL=86400
# =============================================================================
# Auth
# =============================================================================
# 建议使用: openssl rand -hex 32
SECRET_KEY=replace_with_a_strong_random_secret
ALGORITHM=HS256
ACCESS_TOKEN_EXPIRE_MINUTES=120
# =============================================================================
# Tencent SMS
# =============================================================================
TENCENT_SMS_SECRET_ID=your_tencent_sms_secret_id
TENCENT_SMS_SECRET_KEY=your_tencent_sms_secret_key
TENCENT_SMS_SDK_APP_ID=your_sms_sdk_app_id
TENCENT_SMS_SIGN_NAME=your_sms_sign_name
TENCENT_SMS_TEMPLATE_ID=your_sms_template_id
TENCENT_SMS_TEMPLATE_PARAM_COUNT=1
# =============================================================================
# ASR Provider
# whisper | tencent
# =============================================================================
ASR_PROVIDER=whisper
# Whisper ASR
ASR_MODEL_SIZE=small
ASR_DEVICE=cpu
ASR_COMPUTE_TYPE=int8
# Tencent ASR
# 仅在 ASR_PROVIDER=tencent 时需要
TENCENT_SECRET_ID=your_tencent_asr_secret_id
TENCENT_SECRET_KEY=your_tencent_asr_secret_key
# TENCENT_ASR_APP_ID=
# =============================================================================
# TTS（文字转语音，Agent 回复播音）— 与上方 ASR 完全独立
# =============================================================================
# ENABLE_TTS：仅控制是否合成并下发 TTS_AUDIO；不影响用户语音转写（ASR）
# false / 0 / no 关闭语音合成，不调 TTS 厂商 API
ENABLE_TTS=true
TTS_PROVIDER=tencent
# 仅 TTS_PROVIDER=openai 时需要
# OPENAI_API_KEY=your_openai_api_key
# 仅 TTS_PROVIDER=tencent 时生效；密钥变量名可与 ASR 相同，但开关与流程互不关联
# 音色 ID 见 https://cloud.tencent.com/document/product/1073/92668
TTS_VOICE_TYPE=502001
TTS_CODEC=mp3
# =============================================================================
# WeChat Pay
# =============================================================================
WECHAT_PAY_APP_ID=your_wechat_pay_app_id
WECHAT_PAY_MCH_ID=your_wechat_mch_id
WECHAT_PAY_API_V3_KEY=your_wechat_api_v3_key
WECHAT_PAY_PRIVATE_KEY_PATH=certs/apiclient_key.pem
WECHAT_PAY_CERT_SERIAL_NO=your_wechat_cert_serial_no
WECHAT_PAY_NOTIFY_URL=https://your-domain.com/api/payment/notify/wechat
# 可选平台公钥模式
# WECHAT_PAY_PLATFORM_PUBLIC_KEY_PATH=certs/wechat_platform_public_key.pem
# WECHAT_PAY_PLATFORM_PUBLIC_KEY_ID=your_wechat_platform_public_key_id
# =============================================================================
# Alipay
# =============================================================================
ALIPAY_APP_ID=your_alipay_app_id
ALIPAY_PRIVATE_KEY=your_alipay_private_key
ALIPAY_PUBLIC_KEY=your_alipay_public_key
ALIPAY_NOTIFY_URL=https://your-domain.com/api/payment/notify/alipay
# =============================================================================
# Misc
# =============================================================================
ENABLE_TEST_SUBSCRIPTION=0
# =============================================================================
# Memoir image generation
# =============================================================================
MEMOIR_IMAGE_ENABLED=false
MEMOIR_IMAGE_MAX_PER_CHAPTER=2
MEMOIR_IMAGE_POLL_INTERVAL=3
MEMOIR_IMAGE_MAX_ATTEMPTS=20
# 正文越长，可允许更多图片
MEMOIR_IMAGE_CHARS_PER_EXTRA=1500
MEMOIR_IMAGE_MAX_CAP=8
MEMOIR_IMAGE_PROVIDER=liblib
MEMOIR_IMAGE_STYLE_DEFAULT=watercolor
MEMOIR_IMAGE_SIZE_DEFAULT=1280x720
# 可选，限制 Liblib 下载域名
# MEMOIR_IMAGE_DOWNLOAD_HOSTS=liblib.cloud,liblibai.cloud
# =============================================================================
# Liblib image provider
# =============================================================================
LIBLIB_ACCESS_KEY=your_liblib_access_key
LIBLIB_SECRET_KEY=your_liblib_secret_key
LIBLIB_BASE_URL=https://openapi.liblibai.cloud
LIBLIB_TEMPLATE_UUID=your_liblib_template_uuid
# =============================================================================
# Tencent COS for memoir images
# 生产环境请确认这里使用的是生产 bucket，而不是开发 bucket
# =============================================================================
TENCENT_COS_SECRET_ID=your_tencent_cos_secret_id
TENCENT_COS_SECRET_KEY=your_tencent_cos_secret_key
TENCENT_COS_REGION=ap-shanghai
TENCENT_COS_BUCKET=your_production_bucket
TENCENT_COS_BASE_URL=https://your_production_bucket.cos.ap-shanghai.myqcloud.com
# 可选临时凭证
# TENCENT_COS_TOKEN=
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