feat: intégration TikTak #197-200 + scoped tokens, webhooks filtrés, listes mtime/size ; fix e2e-server BUG-112

backend/tools/api.py

@@ -19,6 +19,7 @@ from backend.tools import service as _service  # noqa: F401  (registers tools)
 from backend.tools import spreadsheets as _spreadsheets  # noqa: F401  (registers existing-workbook tools #153 A6)
 from backend.tools import web as _web  # noqa: F401  (registers web tools)
 from backend.tools.context import (
+    FILES_SCOPE_TOOLS,
     ToolConfirmationRequired,
     ToolContext,
     ToolError,
@@ -52,6 +53,7 @@ from backend.tools.registry import (
 from backend.tools.schemas import ToolResult
 
 __all__ = [
+    "FILES_SCOPE_TOOLS",
     "ToolConfirmationRequired",
     "ToolContext",
     "ToolError",