refactor(ci): remove obsolete uv fallback paths

Author: zouyonghe

.github/workflows/release.yml

@@ -161,9 +161,6 @@ jobs:
           fi
           echo "tag=$tag" >> "$GITHUB_OUTPUT"
 
-      - name: Setup uv
-        uses: astral-sh/setup-uv@v7
-
       - name: Setup Python
         id: setup-python
         uses: actions/setup-python@v6
@@ -384,7 +381,6 @@ jobs:
       - name: Install dependencies
         shell: bash
         run: |
-          uv sync
           pnpm --dir dashboard install --frozen-lockfile
           pnpm --dir desktop install --frozen-lockfile
 

desktop/scripts/build-backend.mjs

@@ -96,65 +96,30 @@ const installRuntimeDependencies = (runtimePython) => {
     throw new Error(`Backend requirements file does not exist: ${requirementsPath}`);
   }
 
-  const runPipInstall = (extraArgs = []) => {
-    const installArgs = [
-      '-m',
-      'pip',
-      '--disable-pip-version-check',
-      'install',
-      '--no-cache-dir',
-      '-r',
-      requirementsPath,
-      ...extraArgs,
-    ];
-    const installResult = spawnSync(runtimePython.absolute, installArgs, {
-      cwd: outputDir,
-      stdio: ['ignore', 'pipe', 'pipe'],
-      encoding: 'utf8',
-      windowsHide: true,
-    });
-    if (installResult.stdout) {
-      process.stdout.write(installResult.stdout);
-    }
-    if (installResult.stderr) {
-      process.stderr.write(installResult.stderr);
-    }
-    return installResult;
-  };
-
-  let installResult = runPipInstall();
+  const installArgs = [
+    '-m',
+    'pip',
+    '--disable-pip-version-check',
+    'install',
+    '--no-cache-dir',
+    '-r',
+    requirementsPath,
+  ];
+  const installResult = spawnSync(runtimePython.absolute, installArgs, {
+    cwd: outputDir,
+    stdio: 'inherit',
+    windowsHide: true,
+  });
   if (installResult.error) {
     throw new Error(
       `Failed to install backend runtime dependencies: ${installResult.error.message}`,
     );
   }
-  if (installResult.status === 0) {
-    return;
-  }
-
-  const outputText = `${installResult.stderr || ''}\n${installResult.stdout || ''}`;
-  const shouldRetryWithBreakSystemPackages =
-    outputText.includes('externally-managed-environment') ||
-    outputText.includes('This environment is externally managed');
-
-  if (shouldRetryWithBreakSystemPackages) {
-    console.warn(
-      'Detected externally managed Python runtime; retrying pip install with --break-system-packages.',
+  if (installResult.status !== 0) {
+    throw new Error(
+      `Backend runtime dependency installation failed with exit code ${installResult.status}.`,
     );
-    installResult = runPipInstall(['--break-system-packages']);
-    if (installResult.error) {
-      throw new Error(
-        `Failed to install backend runtime dependencies: ${installResult.error.message}`,
-      );
-    }
-    if (installResult.status === 0) {
-      return;
-    }
   }
-
-  throw new Error(
-    `Backend runtime dependency installation failed with exit code ${installResult.status}.`,
-  );
 };
 
 const main = () => {