fix(safe-parse): add safe JSON parse utility and apply to AI services and dataset processing

.env.example

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+# Server Configuration
+PORT=5000
+HOST=localhost
+APP_ENV=development
+
+
+# Debug Settings
+DEBUG=true
+LOG_LEVEL=debug
+
+
+
+CORS_ENABLED=true
+RATE_LIMIT_ENABLED=false
+
+
+JWT_SECRET=your_jwt_secret_key_here
+JWT_EXPIRATION=7d
+
+
+DB_HOST=localhost
+DB_PORT=27017
+DB_NAME=localmind
+DB_USER=root
+DB_PASSWORD=password
+DB_CONNECTION_STRING=mongodb://localhost:27017/localmind
+
+
+REDIS_HOST=localhost
+REDIS_PORT=6379
+REDIS_PASSWORD=
+
+
+UPLOAD_DIR=./uploads
+TEMP_DIR=./temp
+MAX_FILE_SIZE=5242880
+
+
+ENCRYPTION_KEY=your_encryption_key_here
+ENABLE_RATE_LIMITING=false
+
+BACKEND_URL=http://localhost:5000
+
+# Model Api keys
+OPENAI_API_KEY=your_openai_api_key_here
+GOOGLE_API_KEY=your_google_api_key_here
+GROQ_API_KEY=your_groq_api_key_here

.gitignore

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+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript output
+dist/
+build/
+*.tsbuildinfo
+
+# Environment variables
+.env
+.env.local
+.env.development
+.env.test
+.env.production
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Coverage directories
+coverage/
+.nyc_output/
+
+# IDE / editors
+.idea/
+.vscode/
+*.swp
+*.swo
+.DS_Store
+.classpath
+.project
+.settings/
+*.sublime-workspace
+*.sublime-project
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Yarn
+.yarn-integrity
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Local files
+.local/

.prettierignore

@@ -0,0 +1,3 @@
+# Ignore artifacts:
+build
+coverage

.prettierrc

@@ -0,0 +1 @@
+{}

a.md

@@ -0,0 +1,11 @@
+To Train al model we use Csv , Excel , pdf
+
+## Cloudflared Tunnel
+
+To create a Cloudflared tunnel to your local development server running on port 5000, use the following command:
+
+```bash
+cloudflared tunnel --url http://localhost:5000
+```
+
+##

jest.config.ts

@@ -0,0 +1,7 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest',
+  },
+}

package.json

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+{
+  "name": "localmind-backend",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "test": "jest",
+    "start-tunnel": "lt --port 5000",
+    "setup:backend": "ts-node src/script/project-setup.ts",
+    "format": "prettier --write .",
+    "build": "tsc",
+    "dev": "ts-node-dev --respawn --transpile-only src/server.ts"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/NexGenStudioDev/LocalMind-Backend.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/NexGenStudioDev/LocalMind-Backend/issues"
+  },
+  "homepage": "https://github.com/NexGenStudioDev/LocalMind-Backend#readme",
+  "description": "",
+  "devDependencies": {
+    "@babel/preset-typescript": "^7.27.1",
+    "@types/argon2": "^0.15.4",
+    "@types/bcrypt": "^6.0.0",
+    "@types/express": "^5.0.3",
+    "@types/node": "^24.7.2",
+    "@types/nodemailer": "^7.0.3",
+    "jest": "^30.2.0",
+    "prettier": "3.6.2",
+    "ts-jest": "^29.4.5",
+    "ts-node": "^10.9.2",
+    "ts-node-dev": "^2.0.0",
+    "typescript": "^5.9.3"
+  },
+  "dependencies": {
+    "@jest/globals": "^30.2.0",
+    "@langchain/community": "^0.3.57",
+    "@langchain/core": "^0.3.78",
+    "@langchain/google-genai": "^0.2.18",
+    "@langchain/groq": "^0.2.4",
+    "@langchain/ollama": "^0.2.4",
+    "@types/cookie-parser": "^1.4.9",
+    "@types/jsonwebtoken": "^9.0.10",
+    "@types/mongoose": "^5.11.97",
+    "@types/morgan": "^1.9.10",
+    "argon2": "^0.44.0",
+    "axios": "^1.12.2",
+    "bcrypt": "^6.0.0",
+    "chalk": "^5.6.2",
+    "cloudflared-tunnel": "^1.0.3",
+    "cookie-parser": "^1.4.7",
+    "d3-dsv": "^2.0.0",
+    "dotenv": "^17.2.3",
+    "express": "^5.1.0",
+    "figlet": "^1.9.3",
+    "jsonwebtoken": "^9.0.2",
+    "langchain": "^0.3.36",
+    "mongoose": "^8.19.1",
+    "morgan": "^1.10.1",
+    "ngrok": "5.0.0-beta.2",
+    "nodemailer": "^7.0.10",
+    "ora": "^9.0.0",
+    "zod": "^4.1.12"
+  }
+}