feat: Add user tracking to project tasks and notes

- Implemented user tracking columns in project_tasks and notes tables.
- Added created_by and assigned_to fields to project_tasks.
- Introduced created_by field and is_system flag in notes.
- Updated API endpoints to handle user tracking during task and note creation.
- Enhanced database initialization to include new columns and indexes.
- Created utility functions to fetch users for task assignment.
- Updated front-end components to display user information for tasks and notes.
- Added tests for project-tasks API endpoints to verify functionality.

src/components/ProjectTasksSection.js

@@ -517,6 +517,11 @@ export default function ProjectTasksSection({ projectId }) {
 																								System
 																							</span>
 																						)}
+																						{note.created_by_name && (
+																							<span className="px-2 py-1 text-xs bg-gray-100 text-gray-700 rounded-full font-medium">
+																								{note.created_by_name}
+																							</span>
+																						)}
 																					</div>
 																					<p className="text-sm text-gray-800">
 																						{note.note}
@@ -525,6 +530,11 @@ export default function ProjectTasksSection({ projectId }) {
 																						{formatDate(note.note_date, {
 																							includeTime: true,
 																						})}
+																						{note.created_by_name && (
+																							<span className="ml-2">
+																								by {note.created_by_name}
+																							</span>
+																						)}
 																					</p>
 																				</div>
 																				{!note.is_system && (