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

apps/gateway/src/mcp/mcp.controller.ts

@@ -1,7 +1,7 @@
 import type { IncomingMessage, ServerResponse } from 'node:http';
 import { Logger } from '@nestjs/common';
 import { fromNodeHeaders } from 'better-auth/node';
-import type { Auth } from '@mosaic/auth';
+import type { Auth } from '@mosaicstack/auth';
 import type { NestFastifyApplication } from '@nestjs/platform-fastify';
 import type { McpService } from './mcp.service.js';
 import { AUTH } from '../auth/auth.tokens.js';