chore: migrate from pnpm workspace to individual npm package management

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           ref: ${{ github.event.pull_request.head.sha }} 
-
+                                                        
 
       - name: Detect changed files
         id: detect
@@ -55,25 +55,27 @@ jobs:
         with:
           node-version: 22
 
-      - uses: pnpm/action-setup@v6.0.8
+      - name: Install shared dependencies
+        run: npm --prefix packages/shared install
 
-      - run: pnpm install
+      - name: Install backend dependencies
+        run: npm --prefix apps/backend install
 
       - name: Backend lint
         id: backend_lint
         continue-on-error: true                         
-        run: cd apps/backend && pnpm eslint ${{ needs.detect-changes.outputs.backendFiles }}
+        run: cd apps/backend && npx eslint ${{ needs.detect-changes.outputs.backendFiles }}
 
       - name: Backend test
         id: backend_test
         if: needs.detect-changes.outputs.backendTestFiles != ''  
         continue-on-error: true
-        run: cd apps/backend && pnpm test --passWithNoTests ${{ needs.detect-changes.outputs.backendTestFiles }}
+        run: npm --prefix apps/backend run test -- --passWithNoTests ${{ needs.detect-changes.outputs.backendTestFiles }}
 
       - name: Backend typecheck
         id: backend_typecheck
         continue-on-error: true
-        run: cd apps/backend && pnpm typecheck 
+        run: npm --prefix apps/backend run typecheck
 
       - name: Fail job if any check failed
         if: >
@@ -100,19 +102,18 @@ jobs:
         with:
           node-version: 22
 
-      - uses: pnpm/action-setup@v6.0.8
-
-      - run: pnpm install
+      - name: Install web dependencies
+        run: npm --prefix apps/web install
 
       - name: Web check
         id: web_check
         continue-on-error: true
-        run: cd apps/web && pnpm check
+        run: npm --prefix apps/web run lint
 
       - name: Web build
         id: web_build
         continue-on-error: true
-        run: cd apps/web && pnpm build
+        run: npm --prefix apps/web run build
 
       - name: Fail job if any check failed
         if: >
@@ -138,20 +139,22 @@ jobs:
         with:
           node-version: 22
 
-      - uses: pnpm/action-setup@v6.0.8
+      - name: Install shared dependencies
+        run: npm --prefix packages/shared install
 
-      - run: pnpm install
+      - name: Install mobile dependencies
+        run: npm --prefix apps/mobile install
 
       - name: Mobile lint
         id: mobile_lint
         continue-on-error: true
-        run: cd apps/mobile && pnpm eslint ${{ needs.detect-changes.outputs.mobileFiles }}
+        run: cd apps/mobile && npx eslint ${{ needs.detect-changes.outputs.mobileFiles }}
 
       - name: Mobile test
         id: mobile_test
         if: needs.detect-changes.outputs.mobileTestFiles != ''
         continue-on-error: true
-        run: cd apps/mobile && pnpm test --passWithNoTests ${{ needs.detect-changes.outputs.mobileTestFiles }}
+        run: npm --prefix apps/mobile run test -- --passWithNoTests ${{ needs.detect-changes.outputs.mobileTestFiles }}
 
       - name: Fail job if any check failed
         if: >

CONTRIBUTING.md

@@ -13,7 +13,7 @@
 ### Prerequisites
 
 - **Node.js** >= 20
-- **pnpm** >= 9
+- **npm** >= 10 (bundled with Node.js)
 - **Docker** & Docker Compose
 - **React Native** dev environment — follow the [official setup guide](https://reactnative.dev/docs/environment-setup)
 
@@ -25,7 +25,11 @@ git clone https://github.com/Dev-Card/DevCard.git
 cd devcard
 
 # 2. Install dependencies
-pnpm install
+npm install                              # root (orchestrator)
+npm --prefix packages/shared install     # shared types/utils
+npm --prefix apps/backend install        # backend API
+npm --prefix apps/web install            # web app
+npm --prefix apps/mobile install         # mobile app (if working on mobile)
 
 # 3. Start PostgreSQL + Redis
 docker compose up -d
@@ -35,34 +39,34 @@ cp .env.example .env
 # Edit .env with your OAuth credentials
 
 # 5. Run database migrations and seed
-pnpm db:migrate
-pnpm db:seed
+npm run db:migrate
+npm run db:seed
 
 # 6. Start development
-pnpm dev:backend    # Backend API on :3000
-pnpm dev:mobile     # React Native app
+npm run dev:backend    # Backend API on :3000
+npm run dev:mobile     # React Native app
 ```
 
 ### Running Tests
 
-This project uses `pnpm` to run tests across different parts of the codebase.
+This project uses `npm` to run tests across different parts of the codebase.
 
 #### Run all tests
-To execute all available tests:
+To execute backend tests:
 ```bash
-pnpm -r test
+npm run test
 ```
 
 #### apps/backend
 The backend uses Vitest:
 ```bash
-pnpm --filter @devcard/backend test
-pnpm --filter @devcard/backend test:watch
+npm --prefix apps/backend run test
+npm --prefix apps/backend run test:watch
 ```
 #### apps/mobile
 The mobile app uses Jest:
 ```bash
-pnpm --filter @devcard/mobile test
+npm --prefix apps/mobile run test
 ```
 #### apps/web
 Currently, the web app does not define a test script.
@@ -84,16 +88,16 @@ devcard/
 ## Coding Standards
 
 - **TypeScript** for all new code
-- **ESLint + Prettier** for formatting (run `pnpm lint` before committing)
+- **ESLint + Prettier** for formatting (run `npm run lint` before committing)
 - **Conventional Commits** for commit messages (`feat:`, `fix:`, `docs:`, `chore:`)
 - Write tests for new features and bug fixes
 
 ## Pull Request Process
 
 1. Create a feature branch from `main`: `git checkout -b feat/your-feature`
 2. Make your changes with clear, descriptive commits
-3. Ensure all tests pass: `pnpm test`
-4. Ensure linting passes: `pnpm lint`
+3. Ensure all tests pass: `npm run test`
+4. Ensure linting passes: `npm run lint`
 5. Open a PR against `main` with a clear description of the change
 6. Wait for review — maintainers will respond within 48 hours
 

README.md

@@ -52,8 +52,7 @@ Each exchange is manual, error-prone, and slow. DevCard fixes this.
 
 ### Prerequisites
 
-- Node.js >= 20
-- pnpm >= 9
+- Node.js >= 20 (includes npm)
 - Docker & Docker Compose
 - React Native development environment ([setup guide](https://reactnative.dev/docs/environment-setup))
 
@@ -65,7 +64,11 @@ git clone https://github.com/Dev-Card/DevCard.git
 cd devcard
 
 # Install dependencies
-pnpm install
+npm install                              # root orchestrator
+npm --prefix packages/shared install     # shared types/utils
+npm --prefix apps/backend install        # backend API
+npm --prefix apps/web install            # web app
+npm --prefix apps/mobile install         # mobile app (if needed)
 
 # Start infrastructure (PostgreSQL + Redis)
 docker compose up -d
@@ -79,30 +82,30 @@ cp .env.example .env
 # Paste the generated values into your .env file. Never use placeholders in production.
 
 # Run database migrations
-pnpm db:migrate
+npm run db:migrate
 
 # Seed sample data
-pnpm db:seed
+npm run db:seed
 
 # Start the backend
-pnpm dev:backend
+npm run dev:backend
 
 # In another terminal — start the mobile app
-pnpm dev:mobile
+npm run dev:mobile
 ```
 
 ## Architecture
 
 ```
 devcard/
 ├── apps/
-│   ├── backend/          # Fastify + TypeScript API
-│   ├── mobile/           # React Native (Bare) mobile app
-│   └── web/              # SvelteKit web backup
+│   ├── backend/          # Fastify + TypeScript API (independent npm)
+│   ├── mobile/           # React Native (Bare) mobile app (independent npm)
+│   └── web/              # Vite + React web app (independent npm)
 ├── packages/
 │   └── shared/           # Shared types, platform registry, utils
 ├── docker-compose.yml    # PostgreSQL + Redis
-└── pnpm-workspace.yaml   # Monorepo config
+└── package.json          # Root orchestrator (npm scripts)
 ```
 
 ### Tech Stack