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

README.md

@@ -12,10 +12,10 @@ bash <(curl -fsSL https://git.mosaicstack.dev/mosaic/mosaic-stack/raw/branch/mai
 
 This installs both components:
 
-| Component       | What                                                  | Where                |
-| --------------- | ----------------------------------------------------- | -------------------- |
-| **Framework**   | Bash launcher, guides, runtime configs, tools, skills | `~/.config/mosaic/`  |
-| **@mosaic/cli** | TUI, gateway client, wizard, auto-updater             | `~/.npm-global/bin/` |
+| Component            | What                                                  | Where                |
+| -------------------- | ----------------------------------------------------- | -------------------- |
+| **Framework**        | Bash launcher, guides, runtime configs, tools, skills | `~/.config/mosaic/`  |
+| **@mosaicstack/cli** | TUI, gateway client, wizard, auto-updater             | `~/.npm-global/bin/` |
 
 After install, set up your agent identity:
 
@@ -26,7 +26,7 @@ mosaic init          # Interactive wizard
 ### Requirements
 
 - Node.js ≥ 20
-- npm (for global @mosaic/cli install)
+- npm (for global @mosaicstack/cli install)
 - One or more runtimes: [Claude Code](https://docs.anthropic.com/en/docs/claude-code), [Codex](https://github.com/openai/codex), [OpenCode](https://opencode.ai), or [Pi](https://github.com/mariozechner/pi-coding-agent)
 
 ## Usage
@@ -86,7 +86,7 @@ docker compose up -d
 pnpm install
 
 # Run migrations
-pnpm --filter @mosaic/db run db:migrate
+pnpm --filter @mosaicstack/db run db:migrate
 
 # Start all services in dev mode
 pnpm dev
@@ -163,7 +163,7 @@ mosaic-stack/
 
 - **Gateway is the single API surface** — all clients (TUI, web, Discord, Telegram) connect through it
 - **ESM everywhere** — `"type": "module"`, `.js` extensions in imports, NodeNext resolution
-- **Socket.IO typed events** — defined in `@mosaic/types`, enforced at compile time
+- **Socket.IO typed events** — defined in `@mosaicstack/types`, enforced at compile time
 - **OTEL auto-instrumentation** — loads before NestJS bootstrap
 - **Explicit `@Inject()` decorators** — required since tsx/esbuild doesn't emit decorator metadata