feat(869-c2): install-ordering enforcement-hook guard (Part of #869)

Part of #869

Mos (id-11) Gate-16 merge: independent APPROVE @b6f36564 (8/8, verified vs real production settings template), author id2 != approver id11, clean mosaic-coder author, CI green wp1988.

Co-authored-by: jason.woltje <jason@diversecanvas.com>
Co-committed-by: jason.woltje <jason@diversecanvas.com>

packages/mosaic/src/cli.ts

@@ -22,6 +22,7 @@ import { registerSkillCommand } from './commands/skill.js';
 // prdy is registered via launch.ts
 import { registerLaunchCommands } from './commands/launch.js';
 import { registerLeaseCapabilityProbe } from './commands/lease-activation-probe.js';
+import { registerInstallOrderingGuardCommand } from './commands/install-ordering-guard.js';
 import { registerAuthCommand } from './commands/auth.js';
 import { registerFederationCommand } from './commands/federation.js';
 import { registerGatewayCommand } from './commands/gateway.js';
@@ -83,6 +84,10 @@ registerLaunchCommands(program);
 
 registerLeaseCapabilityProbe(program);
 
+// ─── install-ordering guard (hidden; #869 Point-1 C2) ───────────────────
+
+registerInstallOrderingGuardCommand(program);
+
 // ─── login ──────────────────────────────────────────────────────────────
 
 program