feat(mosaic): add secure skill registration CLI (#826)

packages/mosaic/src/cli.ts

@@ -18,6 +18,7 @@ import { registerFleetCommand } from './commands/fleet.js';
 import { registerMissionCommand } from './commands/mission.js';
 import { registerUninstallCommand } from './commands/uninstall.js';
 import { registerRestoreCommand } from './commands/restore.js';
+import { registerSkillCommand } from './commands/skill.js';
 // prdy is registered via launch.ts
 import { registerLaunchCommands } from './commands/launch.js';
 import { registerAuthCommand } from './commands/auth.js';
@@ -67,7 +68,7 @@ Command Groups:
 
   Runtime:    tui, login, sessions
   Gateway:    gateway
-  Framework:  agent, bootstrap, coord, doctor, fleet, init, launch, mission, prdy, seq, sync, upgrade, wizard, yolo
+  Framework:  agent, bootstrap, coord, doctor, fleet, init, launch, mission, prdy, seq, skill, sync, upgrade, wizard, yolo
   Platform:   update
   Runtimes:   claude, codex, opencode, pi
 `,
@@ -411,6 +412,10 @@ registerUninstallCommand(program);
 
 registerRestoreCommand(program);
 
+// ─── skill ───────────────────────────────────────────────────────────────────
+
+registerSkillCommand(program);
+
 // ─── telemetry ───────────────────────────────────────────────────────────────
 
 registerTelemetryCommand(program);
@@ -471,6 +476,18 @@ program
           return;
         }
         console.log('✔ Framework re-seeded.');
+        if (reseed.skillSyncError) {
+          console.error(`  ⚠ Claude skill reconciliation skipped: ${reseed.skillSyncError}`);
+        }
+        const skillConflicts = reseed.skillSync?.conflicts ?? [];
+        const skillChanges =
+          (reseed.skillSync?.registered.length ?? 0) + (reseed.skillSync?.repaired.length ?? 0);
+        if (skillChanges > 0) {
+          console.log(`✔ Registered ${skillChanges.toString()} Mosaic skill(s) with Claude Code.`);
+        }
+        for (const conflict of skillConflicts) {
+          console.error(`  ⚠ Skill registration skipped for ${conflict.name}: ${conflict.reason}`);
+        }
         // Propagate shipped systemd unit fixes to the ACTIVE units (re-seed only
         // touches ~/.config/mosaic/systemd/user; systemd runs ~/.config/systemd/user).
         const units = refreshActiveFleetUnits();