feat(queue): mosaic queue CLI surface (#404)

packages/mosaic/package.json

@@ -33,6 +33,7 @@
     "@mosaicstack/macp": "workspace:*",
     "@mosaicstack/prdy": "workspace:*",
     "@mosaicstack/quality-rails": "workspace:*",
+    "@mosaicstack/queue": "workspace:*",
     "@mosaicstack/types": "workspace:*",
     "@clack/prompts": "^0.9.1",
     "commander": "^13.0.0",

packages/mosaic/src/cli.ts

@@ -4,6 +4,7 @@ import { createRequire } from 'module';
 import { Command } from 'commander';
 import { registerBrainCommand } from '@mosaicstack/brain';
 import { registerQualityRails } from '@mosaicstack/quality-rails';
+import { registerQueueCommand } from '@mosaicstack/queue';
 import { registerAgentCommand } from './commands/agent.js';
 import { registerMissionCommand } from './commands/mission.js';
 // prdy is registered via launch.ts
@@ -342,6 +343,10 @@ registerBrainCommand(program);
 
 registerQualityRails(program);
 
+// ─── queue ───────────────────────────────────────────────────────────────
+
+registerQueueCommand(program);
+
 // ─── update ─────────────────────────────────────────────────────────────
 
 program