chore: bump @mosaic/cli and @mosaic/mosaic to 0.0.16

Picks up the PGlite storage install wizard from PR #378.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mosaic/cli",
-  "version": "0.0.15",
+  "version": "0.0.16",
   "repository": {
     "type": "git",
     "url": "https://git.mosaicstack.dev/mosaic/mosaic-stack.git",

packages/mosaic/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mosaic/mosaic",
-  "version": "0.0.17",
+  "version": "0.0.16",
   "repository": {
     "type": "git",
     "url": "https://git.mosaicstack.dev/mosaic/mosaic-stack.git",
@@ -20,14 +20,12 @@
     }
   },
   "scripts": {
-    "postinstall": "echo '\nMosaic Stack installed. Run `mosaic-wizard` to bootstrap your config, or `mosaic --help` for CLI commands.\n'",
     "build": "tsc",
     "lint": "eslint src",
     "typecheck": "tsc --noEmit",
     "test": "vitest run --passWithNoTests"
   },
   "dependencies": {
-    "@mosaic/cli": "workspace:*",
     "@mosaic/forge": "workspace:*",
     "@mosaic/macp": "workspace:*",
     "@mosaic/prdy": "workspace:*",