feat(cli): make clb web the primary web command

scripts/dev-server-command.mjs

@@ -3,17 +3,7 @@ import { spawnSync } from 'node:child_process'
 export function createChatlabStartCommand({ serverDir, backendPort, nodeExecutable = process.execPath }) {
   return {
     command: nodeExecutable,
-    args: [
-      '--watch',
-      '--import',
-      'tsx',
-      'src/cli.ts',
-      'start',
-      '--headless',
-      '--no-open',
-      '--port',
-      String(backendPort),
-    ],
+    args: ['--watch', '--import', 'tsx', 'src/cli.ts', 'web', '--headless', '--no-open', '--port', String(backendPort)],
     options: {
       cwd: serverDir,
       stdio: ['ignore', 'pipe', 'pipe'],