fix: address PR review feedback

- Handle --flag=value syntax in nodeCliFlags whitelist by extracting base flag name
- Use nullish coalescing for process.exit in generate-packages.mjs to handle
  signal-killed processes (code is null, which coerces to 0)

Author: jdalton

packages/cli/scripts/generate-packages.mjs

@@ -14,6 +14,7 @@ const scripts = [
 for (const script of scripts) {
   const result = await spawn('node', [script], { stdio: 'inherit' })
   if (result.code !== 0) {
-    process.exit(result.code)
+    // Use nullish coalescing to handle signal-killed processes (code is null).
+    process.exit(result.code ?? 1)
   }
 }

packages/cli/src/utils/cli/with-subcommands.mts

@@ -631,9 +631,11 @@ export async function meowWithSubcommands(
     '--spinner',
     '--version',
   ])
+  // Extract base flag name for --flag=value syntax (e.g., '--config=/path' -> '--config').
+  const baseFlagName = commandOrAliasName?.split('=')[0]
   if (
     commandOrAliasName?.startsWith('--') &&
-    !nodeCliFlags.has(commandOrAliasName)
+    !nodeCliFlags.has(baseFlagName ?? '')
   ) {
     const pythonResult = await spawnSocketPython(argv, {
       stdio: 'inherit',