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/tasks/WP1-forge-package.md

@@ -15,7 +15,7 @@ Port the Forge progressive refinement pipeline from Python (~/src/mosaic-stack/f
 
 **Dependencies available:**
 
-- `@mosaic/macp` (packages/macp) is built and provides: GateEntry, GateResult, Task types, credential resolution, gate running, event emission
+- `@mosaicstack/macp` (packages/macp) is built and provides: GateEntry, GateResult, Task types, credential resolution, gate running, event emission
 
 ## Source Files (Python → TypeScript)
 
@@ -193,14 +193,14 @@ packages/forge/
 
 ```json
 {
-  "name": "@mosaic/forge",
+  "name": "@mosaicstack/forge",
   "version": "0.0.1",
   "type": "module",
   "exports": {
     ".": "./src/index.ts"
   },
   "dependencies": {
-    "@mosaic/macp": "workspace:*"
+    "@mosaicstack/macp": "workspace:*"
   },
   "devDependencies": {
     "vitest": "workspace:*",
@@ -209,7 +209,7 @@ packages/forge/
 }
 ```
 
-Only dependency: @mosaic/macp (for gate types, event emission).
+Only dependency: @mosaicstack/macp (for gate types, event emission).
 
 ## Test Strategy (Board requirement)