fix(packages): remove private flag from all engine packages

packages/concept-engine/package.json

@@ -1,7 +1,6 @@
 {
   "name": "@mintel/concept-engine",
   "version": "1.9.10",
-  "private": true,
   "description": "AI-powered web project concept generation and analysis",
   "type": "module",
   "main": "./dist/index.js",

packages/estimation-engine/package.json

@@ -1,7 +1,6 @@
 {
   "name": "@mintel/estimation-engine",
   "version": "1.9.10",
-  "private": true,
   "type": "module",
   "main": "./dist/index.js",
   "module": "./dist/index.js",

packages/gatekeeper/package.json

@@ -1,7 +1,6 @@
 {
   "name": "@mintel/gatekeeper",
   "version": "1.9.10",
-  "private": true,
   "type": "module",
   "scripts": {
     "dev": "next dev",

packages/journaling/package.json

@@ -1,7 +1,6 @@
 {
   "name": "@mintel/journaling",
   "version": "1.9.10",
-  "private": true,
   "type": "module",
   "main": "./dist/index.js",
   "module": "./dist/index.js",

packages/page-audit/package.json

@@ -1,7 +1,6 @@
 {
   "name": "@mintel/page-audit",
   "version": "1.9.10",
-  "private": true,
   "description": "AI-powered website IST-analysis using DataForSEO and Gemini",
   "type": "module",
   "main": "./dist/index.js",

packages/payload-ai/package.json

@@ -1,7 +1,6 @@
 {
   "name": "@mintel/payload-ai",
   "version": "1.9.10",
-  "private": true,
   "description": "Reusable Payload CMS AI Extensions",
   "type": "module",
   "scripts": {

packages/seo-engine/package.json

@@ -1,7 +1,6 @@
 {
   "name": "@mintel/seo-engine",
   "version": "1.9.10",
-  "private": true,
   "description": "AI-powered SEO keyword and topic cluster evaluation engine",
   "type": "module",
   "main": "./dist/index.js",