feat(cli): add agent inspect command

Add the `paseo agent inspect <id>` command that shows detailed
information about an agent:

- Id, name, provider, model, status, mode, cwd
- Creation timestamp
- Token usage (input, output, cached, cost)
- Capabilities (streaming, persistence, dynamic modes, MCP servers)
- Available modes
- Pending permissions count
- Parent agent ID

The default output is YAML-like key-value pairs. Use `--format json`
or `--format yaml` for machine-readable output with the full agent
snapshot.

Supports agent ID prefix matching.

packages/cli/src/commands/agent/index.ts

@@ -4,6 +4,7 @@ import { runRunCommand } from './run.js'
 import { runSendCommand } from './send.js'
 import { runStopCommand } from './stop.js'
 import { runModeCommand } from './mode.js'
+import { runInspectCommand } from './inspect.js'
 import { withOutput } from '../../output/index.js'
 
 export function createAgentCommand(): Command {
@@ -57,5 +58,12 @@ export function createAgentCommand(): Command {
     .option('--host <host>', 'Daemon host:port (default: localhost:6767)')
     .action(withOutput(runModeCommand))
 
+  agent
+    .command('inspect')
+    .description('Show detailed information about an agent')
+    .argument('<id>', 'Agent ID (or prefix)')
+    .option('--host <host>', 'Daemon host:port (default: localhost:6767)')
+    .action(withOutput(runInspectCommand))
+
   return agent
 }