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

src/api.ts

@@ -42,6 +42,7 @@ export async function apiCreateTask(task: {
     title: string; description?: string; status?: string; priority?: string;
     assignee?: string; reporter?: string; dueDate?: string; tags?: string[];
     subtasks?: { title: string; done: boolean }[];
+    dependencies?: { dependsOnUserId: string; description: string }[];
 }) {
     return request('/tasks', {
         method: 'POST',
@@ -83,3 +84,24 @@ export async function apiAddActivity(taskId: string, text: string) {
         body: JSON.stringify({ text }),
     });
 }
+
+// Dependencies
+export async function apiAddDependency(taskId: string, dep: { dependsOnUserId: string; description: string }) {
+    return request(`/tasks/${taskId}/dependencies`, {
+        method: 'POST',
+        body: JSON.stringify(dep),
+    });
+}
+
+export async function apiToggleDependency(taskId: string, depId: string, resolved: boolean) {
+    return request(`/tasks/${taskId}/dependencies/${depId}`, {
+        method: 'PUT',
+        body: JSON.stringify({ resolved }),
+    });
+}
+
+export async function apiRemoveDependency(taskId: string, depId: string) {
+    return request(`/tasks/${taskId}/dependencies/${depId}`, {
+        method: 'DELETE',
+    });
+}