Bootstrap: incremental update via meta, server: fix file endpoint paths

server/main.py

@@ -1216,14 +1216,20 @@ async def get_launcher_diff(request: Request):
 @app.get("/launcher/file/{version}/{file_path:path}")
 async def get_launcher_file(version: str, file_path: str, request: Request):
     """Download a specific file from a launcher version"""
-    full_path = VERSIONS_DIR / version / file_path
+    # Ищем в builds/ директории (где лежит zernmc.exe, lib, assets и т.д.)
+    full_path = BUILDS_DIR / file_path
     
     # Security: prevent path traversal
     if ".." in file_path:
         raise HTTPException(403, "Invalid file path")
     
     if not full_path.exists() or not full_path.is_file():
-        raise HTTPException(404, "File not found")
+        # Fallback: ищем в versions директории
+        alt_path = VERSIONS_DIR / version / file_path
+        if alt_path.exists() and alt_path.is_file():
+            full_path = alt_path
+        else:
+            raise HTTPException(404, "File not found: " + file_path)
     
     return FileResponse(full_path, direct_passthrough=True)