fix: remove unsupported -y flag from uv pip uninstall fallback

uv pip uninstall does not support the -y (assume-yes) flag. Remove it
from the uv fallback argv while keeping it for the python -m pip
uninstall path.

Reported-by: chengyongru

nanobot/apps/cli/service.py

@@ -734,7 +734,7 @@ class CliAppManager:
         if self._pip_available():
             prefix = [sys.executable, "-m", "pip", "uninstall", "-y"]
         elif shutil.which("uv"):
-            prefix = ["uv", "pip", "uninstall", "--python", sys.executable, "-y"]
+            prefix = ["uv", "pip", "uninstall", "--python", sys.executable]
         else:
             raise CliAppError("pip is not available and uv is not installed")
         distribution = str((installed_entry or {}).get("pip_distribution") or "").strip()

tests/cli_apps/test_service.py

@@ -843,6 +843,5 @@ def test_uninstall_uses_uv_pip_when_pip_unavailable(
         "uninstall",
         "--python",
         sys.executable,
-        "-y",
         "suno-cli",
     ]