feat: Add migration functionality to update template-based tasks and set custom_max_wait_days to NULL

src/lib/queries/tasks.js

@@ -60,10 +60,10 @@ export function getProjectTasks(projectId) {
 // Create a new project task
 export function createProjectTask(data) {
 	if (data.task_template_id) {
-		// Creating from template
+		// Creating from template - explicitly set custom_max_wait_days to NULL so COALESCE uses template value
 		const stmt = db.prepare(`
-			INSERT INTO project_tasks (project_id, task_template_id, status, priority)
-			VALUES (?, ?, ?, ?)
+			INSERT INTO project_tasks (project_id, task_template_id, custom_max_wait_days, status, priority)
+			VALUES (?, ?, NULL, ?, ?)
 		`);
 		return stmt.run(
 			data.project_id,