fix: ignore any uv.toml file

src/virtualEnvironment.ts

@@ -164,6 +164,10 @@ export class VirtualEnvironment implements HasTelemetry, PythonExecutor {
   get uvEnv() {
     return {
       VIRTUAL_ENV: this.venvPath,
+      // The bundled uv must remain hermetic: ignore user/system/project uv config
+      // files (e.g. ~/.config/uv/uv.toml) so settings like `exclude-newer` cannot
+      // interfere with dependency resolution. See issue #1722.
+      UV_NO_CONFIG: '1',
       // Empty strings are not valid values for these env vars,
       // dropping them here to avoid passing them to uv.
       // `node-pty` does not support `undefined`.

tests/unit/virtualEnvironment.test.ts

@@ -294,6 +294,13 @@ describe('VirtualEnvironment', () => {
       expect('UV_PYTHON_INSTALL_MIRROR' in uvEnv).toBe(false);
     });
 
+    test('always sets UV_NO_CONFIG=1 so bundled uv ignores user/system uv.toml', ({ virtualEnv }) => {
+      // Regression test for https://github.com/Comfy-Org/desktop/issues/1722.
+      // A user-level uv.toml with settings like `exclude-newer` would otherwise
+      // be applied to the bundled uv and break dependency resolution.
+      expect(virtualEnv.uvEnv.UV_NO_CONFIG).toBe('1');
+    });
+
     test('omits UV_PYTHON_INSTALL_MIRROR when pythonMirror is empty string', () => {
       vi.stubGlobal('process', {
         ...process,