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

docs/guides/deployment.md

@@ -61,7 +61,7 @@ pnpm install
 ### 4. Initialize the database
 
 ```bash
-pnpm --filter @mosaic/db db:migrate
+pnpm --filter @mosaicstack/db db:migrate
 ```
 
 ### 5. Build all packages
@@ -73,7 +73,7 @@ pnpm build
 ### 6. Start the gateway
 
 ```bash
-pnpm --filter @mosaic/gateway dev
+pnpm --filter @mosaicstack/gateway dev
 ```
 
 Or for production (after build):
@@ -86,10 +86,10 @@ node apps/gateway/dist/main.js
 
 ```bash
 # Development
-pnpm --filter @mosaic/web dev
+pnpm --filter @mosaicstack/web dev
 
 # Production (after build)
-pnpm --filter @mosaic/web start
+pnpm --filter @mosaicstack/web start
 ```
 
 The web app runs on port `3000` by default.
@@ -157,7 +157,7 @@ pnpm build
 ### Step 5 — Run database migrations
 
 ```bash
-pnpm --filter @mosaic/db db:migrate
+pnpm --filter @mosaicstack/db db:migrate
 ```
 
 ### Step 6 — Start the gateway