feat: add more roles (tech_lead, scrum_master, product_owner, designer, qa)

- Registration form: added 5 new role options to dropdown
- Sidebar: new roles get proper nav access via ALL_ROLES/LEADER_ROLES
- Dashboard: isLeader check expanded to include new leadership roles
- Shared/Pages: role badge colors added for all new roles
- Invite modal: expanded role dropdown

server/routes/tasks.js

@@ -4,7 +4,7 @@ import { randomUUID } from 'crypto';
 
 const router = Router();
 
-// Helper: fetch full task with subtasks, comments, activities, tags
+// Helper: fetch full task with subtasks, comments, activities, tags, dependencies
 async function getFullTask(taskId) {
     const [taskRows] = await pool.query('SELECT * FROM tasks WHERE id = ?', [taskId]);
     if (taskRows.length === 0) return null;
@@ -14,6 +14,7 @@ async function getFullTask(taskId) {
     const [comments] = await pool.query('SELECT id, user_id AS userId, text, timestamp FROM comments WHERE task_id = ? ORDER BY timestamp', [taskId]);
     const [activities] = await pool.query('SELECT id, text, timestamp FROM activities WHERE task_id = ? ORDER BY timestamp', [taskId]);
     const [tagRows] = await pool.query('SELECT tag FROM task_tags WHERE task_id = ?', [taskId]);
+    const [depRows] = await pool.query('SELECT id, depends_on_user_id AS dependsOnUserId, description, resolved FROM dependencies WHERE task_id = ? ORDER BY created_at', [taskId]);
 
     return {
         id: task.id,
@@ -28,6 +29,7 @@ async function getFullTask(taskId) {
         subtasks: subtasks.map(s => ({ id: s.id, title: s.title, done: !!s.done })),
         comments: comments.map(c => ({ id: c.id, userId: c.userId, text: c.text, timestamp: c.timestamp?.toISOString() || '' })),
         activity: activities.map(a => ({ id: a.id, text: a.text, timestamp: a.timestamp?.toISOString() || '' })),
+        dependencies: depRows.map(d => ({ id: d.id, dependsOnUserId: d.dependsOnUserId || '', description: d.description, resolved: !!d.resolved })),
     };
 }
 
@@ -48,7 +50,7 @@ router.post('/', async (req, res) => {
     const conn = await pool.getConnection();
     try {
         await conn.beginTransaction();
-        const { title, description, status, priority, assignee, reporter, dueDate, tags, subtasks } = req.body;
+        const { title, description, status, priority, assignee, reporter, dueDate, tags, subtasks, dependencies } = req.body;
         const id = randomUUID();
 
         await conn.query(
@@ -70,6 +72,16 @@ router.post('/', async (req, res) => {
             }
         }
 
+        // Insert dependencies
+        if (dependencies && dependencies.length > 0) {
+            for (const dep of dependencies) {
+                await conn.query(
+                    'INSERT INTO dependencies (id, task_id, depends_on_user_id, description, resolved) VALUES (?, ?, ?, ?, ?)',
+                    [randomUUID(), id, dep.dependsOnUserId || null, dep.description, false]
+                );
+            }
+        }
+
         // Add creation activity
         const actId = randomUUID();
         await conn.query('INSERT INTO activities (id, task_id, text) VALUES (?, ?, ?)',
@@ -188,6 +200,49 @@ router.post('/:id/activity', async (req, res) => {
     }
 });
 
+// --- DEPENDENCY ROUTES ---
+
+// POST /api/tasks/:id/dependencies
+router.post('/:id/dependencies', async (req, res) => {
+    try {
+        const { dependsOnUserId, description } = req.body;
+        const id = randomUUID();
+        await pool.query(
+            'INSERT INTO dependencies (id, task_id, depends_on_user_id, description, resolved) VALUES (?, ?, ?, ?, ?)',
+            [id, req.params.id, dependsOnUserId || null, description, false]
+        );
+        res.status(201).json({ id, dependsOnUserId: dependsOnUserId || '', description, resolved: false });
+    } catch (err) {
+        console.error('Add dependency error:', err);
+        res.status(500).json({ error: 'Internal server error' });
+    }
+});
+
+// PUT /api/tasks/:id/dependencies/:depId
+router.put('/:id/dependencies/:depId', async (req, res) => {
+    try {
+        const { resolved } = req.body;
+        await pool.query('UPDATE dependencies SET resolved = ? WHERE id = ? AND task_id = ?',
+            [resolved, req.params.depId, req.params.id]);
+        res.json({ success: true });
+    } catch (err) {
+        console.error('Update dependency error:', err);
+        res.status(500).json({ error: 'Internal server error' });
+    }
+});
+
+// DELETE /api/tasks/:id/dependencies/:depId
+router.delete('/:id/dependencies/:depId', async (req, res) => {
+    try {
+        await pool.query('DELETE FROM dependencies WHERE id = ? AND task_id = ?',
+            [req.params.depId, req.params.id]);
+        res.json({ success: true });
+    } catch (err) {
+        console.error('Delete dependency error:', err);
+        res.status(500).json({ error: 'Internal server error' });
+    }
+});
+
 // DELETE /api/tasks/:id
 router.delete('/:id', async (req, res) => {
     try {