Merge branch 'developing' into bot_manager

1. remove_skill 删除 uploads 下的 skill 后，同步删除 projects/robot/{bot_id}/skills/ 下的副本
2. _extract_skills_to_robot 不再每次全量清空重建，已存在的 skill 直接跳过

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

routes/skill_manager.py

@@ -786,9 +786,14 @@ async def remove_skill(
 
         # 使用线程池删除目录（避免阻塞事件循环）
         await asyncio.to_thread(shutil.rmtree, skill_dir_real)
-
         logger.info(f"Successfully removed skill directory: {skill_dir_real}")
 
+        # 同步删除 robot 目录下的 skill 副本
+        robot_skill_dir = os.path.join(base_dir, "projects", "robot", bot_id, "skills", skill_name)
+        if os.path.exists(robot_skill_dir):
+            await asyncio.to_thread(shutil.rmtree, robot_skill_dir)
+            logger.info(f"Also removed robot skill directory: {robot_skill_dir}")
+
         return {
             "success": True,
             "message": f"Skill '{skill_name}' 删除成功",

utils/multi_project_manager.py

@@ -392,16 +392,17 @@ def _extract_skills_to_robot(bot_id: str, skills: List[str], project_path: Path)
         Path("skills"),
     ]
     skills_target_dir = project_path / "robot" / bot_id / "skills"
-
-    # 先清空 skills_target_dir，然后重新复制
-    if skills_target_dir.exists():
-        logger.info(f"  Removing existing skills directory: {skills_target_dir}")
-        shutil.rmtree(skills_target_dir)
-
     skills_target_dir.mkdir(parents=True, exist_ok=True)
     logger.info(f"Copying skills to {skills_target_dir}")
 
     for skill in skills:
+        target_dir = skills_target_dir / os.path.basename(skill)
+
+        # 如果目标目录已存在，跳过复制
+        if target_dir.exists():
+            logger.info(f"  Skill '{skill}' already exists in {target_dir}, skipping")
+            continue
+
         source_dir = None
 
         # 简单名称：按优先级顺序在多个目录中查找
@@ -416,10 +417,6 @@ def _extract_skills_to_robot(bot_id: str, skills: List[str], project_path: Path)
             logger.warning(f"  Skill directory '{skill}' not found in any source directory: {[str(d) for d in skills_source_dirs]}")
             continue
 
-        if not source_dir.exists():
-            logger.warning(f"  Skill directory not found: {source_dir}")
-            continue
-
         target_dir = skills_target_dir / os.path.basename(skill)
 
         try: