refactor: trim unused smoke API fields

docs/smt_api.md

@@ -10,22 +10,17 @@
 - 更新用户资料：`PUT|POST /smt/v1/auth/profile`
 - 戒烟资料：`GET|POST /smt/v1/smoke/profile`
 - 抽烟记录：`/smt/v1/smoke/logs*`
-- 首页、看板、统计、激励语：
+- 首页与统计：
   - `GET /smt/v1/smoke/home`
-  - `GET /smt/v1/smoke/dashboard`
   - `GET /smt/v1/smoke/stats`
-  - `GET /smt/v1/smoke/motivation`
 - 下次抽烟建议：
-  - `GET /smt/v1/smoke/next_smoke_time`
   - `GET /smt/v1/smoke/ai/next_smoke_time`
-- AI 建议与每日总结：
-  - `GET /smt/v1/smoke/ai/advice`
+- AI 解锁与每日总结：
   - `POST /smt/v1/smoke/ai/advice_unlocks`
   - `GET /smt/v1/smoke/ai/daily_summary`
 - 分享：
   - `POST /smt/v1/smoke/share`
   - `GET /smt/v1/smoke/share/:token`
-  - `POST /smt/v1/smoke/share/:token/revoke`
 - 戒烟计划：
   - `POST /smt/v1/smoke/quit-plan/generate`
   - `GET /smt/v1/smoke/quit-plan`