feat: initial HSAP platform

Huaxu Sentinel Active Safety Platform with embedded algorithm code,
Docker Compose setup, and vendored dataset scaffolds for clone-and-run.

Co-authored-by: Cursor <cursoragent@cursor.com>

manifests/feishu.env.example

@@ -0,0 +1,21 @@
+# 飞书 + 数据库 + Redis（复制为 feishu.env；Docker 环境见 .env.example）
+
+FEISHU_APP_ID=cli_xxxxxxxx
+FEISHU_APP_SECRET=xxxxxxxxxxxxxxxx
+FEISHU_REDIRECT_URI=http://127.0.0.1:8787/api/v1/auth/feishu/callback
+AS_FRONTEND_URL=http://127.0.0.1:8787
+AS_JWT_SECRET=请更换为随机长字符串
+FEISHU_ADMIN_OPEN_IDS=
+FEISHU_ADMIN_DEPARTMENT_IDS=
+AS_DEV_AUTH=true
+
+# 本机 run_server.sh
+AS_DB_HOST=127.0.0.1
+AS_DB_PORT=5432
+AS_DB_USER=as_platform
+AS_DB_PASSWORD=as_platform
+AS_DB_NAME=as_platform
+AS_REDIS_URL=redis://127.0.0.1:6379/0
+AS_JOB_EXECUTOR=thread
+
+# Docker Compose 会覆盖为 postgres/redis 服务名，见 docker-compose.yml