fix: populate KNOWN_PACKAGES with all workspace packages for 'mosaic update'

- Remove @mosaicstack/cli (absorbed into @mosaicstack/mosaic)
- Add all 21 remaining workspace packages so the multi-package
  update checker actually covers every published package

packages/mosaic/src/runtime/update-checker.ts

@@ -127,10 +127,28 @@ export function semverLt(a: string, b: string): boolean {
 // ─── Known packages for checkForAllUpdates() ──────────────────────────────
 
 const KNOWN_PACKAGES = [
-  '@mosaicstack/mosaic',
+  '@mosaicstack/agent',
-  '@mosaicstack/cli',
+  '@mosaicstack/auth',
+  '@mosaicstack/brain',
+  '@mosaicstack/config',
+  '@mosaicstack/coord',
+  '@mosaicstack/db',
+  '@mosaicstack/design-tokens',
+  '@mosaicstack/discord-plugin',
+  '@mosaicstack/forge',
   '@mosaicstack/gateway',
+  '@mosaicstack/log',
+  '@mosaicstack/macp',
+  '@mosaicstack/memory',
+  '@mosaicstack/mosaic',
+  '@mosaicstack/oc-framework-plugin',
+  '@mosaicstack/oc-macp-plugin',
+  '@mosaicstack/prdy',
   '@mosaicstack/quality-rails',
+  '@mosaicstack/queue',
+  '@mosaicstack/storage',
+  '@mosaicstack/telegram-plugin',
+  '@mosaicstack/types',
 ];
 
 // ─── Multi-package types ──────────────────────────────────────────────────