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.

check-task-schema.mjs

@@ -0,0 +1,25 @@
+import Database from "better-sqlite3";
+
+const db = new Database("./data/database.sqlite");
+
+console.log("Project Tasks table structure:");
+const projectTasksSchema = db.prepare("PRAGMA table_info(project_tasks)").all();
+console.table(projectTasksSchema);
+
+console.log("\nSample project tasks with user tracking:");
+const tasks = db
+	.prepare(
+		`
+    SELECT pt.*, 
+           creator.name as created_by_name,
+           assignee.name as assigned_to_name
+    FROM project_tasks pt
+    LEFT JOIN users creator ON pt.created_by = creator.id
+    LEFT JOIN users assignee ON pt.assigned_to = assignee.id
+    LIMIT 3
+`
+	)
+	.all();
+console.table(tasks);
+
+db.close();