feat: Implement user tracking in projects

- Added user tracking features to the projects module, including:
  - Database schema updates to track project creator and assignee.
  - API enhancements for user management and project filtering by user.
  - UI components for user assignment in project forms and listings.
  - New query functions for retrieving users and filtering projects.
  - Security integration with role-based access and authentication requirements.

chore: Create utility scripts for database checks and project testing

- Added scripts to check the structure of the projects table.
- Created tests for project creation and user tracking functionality.
- Implemented API tests to verify project retrieval and user assignment.

fix: Update project creation and update functions to include user tracking

- Modified createProject and updateProject functions to handle user IDs for creator and assignee.
- Ensured that project updates reflect the correct user assignments and timestamps.

AUTHORIZATION_IMPLEMENTATION.md

@@ -735,6 +735,99 @@ export function withRateLimit(
    - Password strength requirements
    - Password change interface
 
+## User Tracking in Projects - NEW FEATURE ✅
+
+### 📊 Project User Management Implementation
+
+We've successfully implemented comprehensive user tracking for projects:
+
+#### Database Schema Updates ✅
+
+- **created_by**: Tracks who created the project (user ID)
+- **assigned_to**: Tracks who is assigned to work on the project (user ID)
+- **created_at**: Timestamp when project was created
+- **updated_at**: Timestamp when project was last modified
+- **Indexes**: Performance optimized with proper foreign key indexes
+
+#### API Enhancements ✅
+
+- **Enhanced Queries**: Projects now include user names and emails via JOIN operations
+- **User Assignment**: New `/api/projects/users` endpoint for user management
+- **Query Filters**: Support for filtering projects by assigned user or creator
+- **User Context**: Create/update operations automatically capture authenticated user ID
+
+#### UI Components ✅
+
+- **Project Form**: User assignment dropdown in create/edit forms
+- **Project Listing**: "Created By" and "Assigned To" columns in project table
+- **User Selection**: Dropdown populated with active users for assignment
+
+#### New Query Functions ✅
+
+- `getAllUsersForAssignment()`: Get active users for assignment dropdown
+- `getProjectsByAssignedUser(userId)`: Filter projects by assignee
+- `getProjectsByCreator(userId)`: Filter projects by creator
+- `updateProjectAssignment(projectId, userId)`: Update project assignment
+
+#### Security Integration ✅
+
+- **Authentication Required**: All user operations require valid session
+- **Role-Based Access**: User assignment respects role hierarchy
+- **Audit Ready**: Infrastructure prepared for comprehensive user action logging
+
+### Usage Examples
+
+#### Creating Projects with User Tracking
+
+```javascript
+// Projects are automatically assigned to the authenticated user as creator
+POST /api/projects
+{
+  "project_name": "New Project",
+  "assigned_to": "user-id-here", // Optional assignment
+  // ... other project data
+}
+```
+
+#### Filtering Projects by User
+
+```javascript
+// Get projects assigned to specific user
+GET /api/projects?assigned_to=user-id
+
+// Get projects created by specific user
+GET /api/projects?created_by=user-id
+```
+
+#### Updating Project Assignment
+
+```javascript
+POST /api/projects/users
+{
+  "projectId": 123,
+  "assignedToUserId": "new-user-id"
+}
+```
+
+### Next Enhancements
+
+1. **Dashboard Views** (Recommended)
+
+   - "My Projects" dashboard showing assigned projects
+   - Project creation history per user
+   - Workload distribution reports
+
+2. **Advanced Filtering** (Future)
+
+   - Multi-user assignment support
+   - Team-based project assignments
+   - Role-based project visibility
+
+3. **Notifications** (Future)
+   - Email alerts on project assignment
+   - Deadline reminders for assigned users
+   - Status change notifications
+
 ## Security Best Practices
 
 ### 1. Password Security