feat(frontend): Aufgaben-Modul (Modul 6)

Aufgabenliste mit Status-/Prioritätsfilter und Erledigen-Aktion
sowie Formular zum Anlegen neuer Aufgaben.

ApiCore-Frontend/src/lib/tasks/api.ts

@@ -0,0 +1,28 @@
+import { apiFetch } from "@/lib/auth/api-client";
+import { CreateTaskInput, Task, TaskFilter, UpdateTaskInput } from "./types";
+
+export function fetchTasks(filter: TaskFilter): Promise<Task[]> {
+  const params = new URLSearchParams();
+  if (filter.status) params.set("status", filter.status);
+  if (filter.priority) params.set("priority", filter.priority);
+  const query = params.toString();
+  return apiFetch<Task[]>(`/tasks${query ? `?${query}` : ""}`);
+}
+
+export function createTask(input: CreateTaskInput): Promise<Task> {
+  return apiFetch<Task>("/tasks", {
+    method: "POST",
+    body: JSON.stringify(input),
+  });
+}
+
+export function updateTask(id: string, input: UpdateTaskInput): Promise<Task> {
+  return apiFetch<Task>(`/tasks/${id}`, {
+    method: "PATCH",
+    body: JSON.stringify(input),
+  });
+}
+
+export function completeTask(id: string): Promise<Task> {
+  return apiFetch<Task>(`/tasks/${id}/complete`, { method: "POST" });
+}

ApiCore-Frontend/src/lib/tasks/types.ts

@@ -0,0 +1,45 @@
+export type TaskStatus = "OPEN" | "IN_PROGRESS" | "DONE" | "CANCELLED";
+export type TaskPriority = "LOW" | "NORMAL" | "HIGH" | "URGENT";
+export type TaskRelatedType =
+  | "COLONY"
+  | "APIARY"
+  | "QUEEN"
+  | "HONEY_BATCH"
+  | "STORAGE"
+  | "GENERAL";
+
+export interface Task {
+  id: string;
+  title: string;
+  description: string | null;
+  priority: TaskPriority;
+  dueDate: string | null;
+  status: TaskStatus;
+  assignedUserId: string | null;
+  createdByUserId: string | null;
+  relatedType: TaskRelatedType;
+  relatedId: string | null;
+  sourceInspectionId: string | null;
+  createdAt: string;
+  completedAt: string | null;
+}
+
+export interface TaskFilter {
+  status?: TaskStatus;
+  priority?: TaskPriority;
+}
+
+export interface CreateTaskInput {
+  title: string;
+  description?: string;
+  priority?: TaskPriority;
+  dueDate?: string;
+}
+
+export interface UpdateTaskInput {
+  title?: string;
+  description?: string;
+  priority?: TaskPriority;
+  dueDate?: string;
+  status?: TaskStatus;
+}