fix: rename all packages from @mosaic/* to @mosaicstack/*

- Updated all package.json name fields and dependency references
- Updated all TypeScript/JavaScript imports
- Updated .woodpecker/publish.yml filters and registry paths
- Updated tools/install.sh scope default
- Updated .npmrc registry paths (worktree + host)
- Enhanced update-checker.ts with checkForAllUpdates() multi-package support
- Updated CLI update command to show table of all packages
- Added KNOWN_PACKAGES, formatAllPackagesTable, getInstallAllCommand
- Marked checkForUpdate() with @deprecated JSDoc

Closes #391

packages/cli/src/tui/commands/registry.ts

@@ -1,4 +1,4 @@
-import type { CommandDef, CommandManifest } from '@mosaic/types';
+import type { CommandDef, CommandManifest } from '@mosaicstack/types';
 
 // Local-only commands (work even when gateway is disconnected)
 const LOCAL_COMMANDS: CommandDef[] = [