M2a：镜树域后端核心——树/节点/引文/归真/移栽全量 API 与 Kernel 完成回调（芽体固化/残答封存），8 用例钉死 PRD 场景 1/2/3/5/6/7/8

backend/app/api/router.py

@@ -21,6 +21,7 @@ from app.api.v1.endpoints import (
     jingsheng_characters,
     kernel_runs,
     lorebooks,
+    mirror_trees,
     mcp,
     memory,
     personality,
@@ -44,6 +45,8 @@ api_router.include_router(runs.router)
 api_router.include_router(kernel_runs.router)
 api_router.include_router(embryo_drafts.router)
 api_router.include_router(jingsheng_characters.router)
+api_router.include_router(mirror_trees.router)
+api_router.include_router(mirror_trees.node_router)
 api_router.include_router(memory.router)
 api_router.include_router(lorebooks.router)
 api_router.include_router(personality.router)