feat(cli): add foundation - package setup and entry point

Add @paseo/cli package with:
- Package structure with npm workspace integration
- bin/paseo entry point using tsx
- Commander.js setup with --version and --help
- Placeholder subcommands: agent, daemon, permit, worktree, provider

packages/cli/src/cli.ts

@@ -0,0 +1,50 @@
+import { Command } from 'commander'
+
+const VERSION = '0.1.0'
+
+export function createCli(): Command {
+  const program = new Command()
+
+  program
+    .name('paseo')
+    .description('Paseo CLI - control your AI coding agents from the command line')
+    .version(VERSION, '-v, --version', 'output the version number')
+
+  // Placeholder subcommands for Phase 1
+  program
+    .command('agent')
+    .description('Manage agents')
+    .action(() => {
+      console.log('agent command (not yet implemented)')
+    })
+
+  program
+    .command('daemon')
+    .description('Manage the Paseo daemon')
+    .action(() => {
+      console.log('daemon command (not yet implemented)')
+    })
+
+  program
+    .command('permit')
+    .description('Manage permission requests')
+    .action(() => {
+      console.log('permit command (not yet implemented)')
+    })
+
+  program
+    .command('worktree')
+    .description('Manage git worktrees')
+    .action(() => {
+      console.log('worktree command (not yet implemented)')
+    })
+
+  program
+    .command('provider')
+    .description('Manage agent providers')
+    .action(() => {
+      console.log('provider command (not yet implemented)')
+    })
+
+  return program
+}