feat(v2): 补齐模型连接与会议反馈闭环并完成真实模拟联调

backend/services/skill_packages.py

@@ -22,7 +22,7 @@ def validate_files(files):
     if not 1 <= len(files) <= 100:
         raise LibraryError('SKILL_PACKAGE_INVALID', 'Skills 文件夹需要 1–100 个文件')
     decoded, total = {}, 0
-    roots = set()
+    roots, folded = set(), set()
     for item in files:
         path = str(item['path']).replace('\\', '/')
         parts = PurePosixPath(path).parts
@@ -33,7 +33,7 @@ def validate_files(files):
             raise LibraryError('SKILL_PACKAGE_INVALID', '文件路径不安全，请选择一个标准 Skills 文件夹')
         roots.add(parts[0])
         relative = '/'.join(parts[1:])
-        if relative in decoded:
+        if relative.casefold() in folded:
             raise LibraryError('SKILL_PACKAGE_INVALID', '文件夹存在重复路径')
         try:
             raw = base64.b64decode(item['content_base64'], validate=True)
@@ -42,6 +42,7 @@ def validate_files(files):
         total += len(raw)
         if len(raw) > 2 * 1024 * 1024 or total > MAX_TOTAL:
             raise LibraryError('SKILL_PACKAGE_INVALID', '文件超过单文件 2MiB 或文件夹 10MiB 上限')
+        folded.add(relative.casefold())
         decoded[relative] = raw
     if len(roots) != 1 or 'SKILL.md' not in decoded:
         raise LibraryError('SKILL_PACKAGE_INVALID', '请选择单个文件夹，根目录必须有 SKILL.md')