feat(frontend): Behandlungen-Modul (Modul 8)

Mobile-optimiertes Erfassungsformular unter /treatments/new sowie
"Behandlungen"-Ansicht auf der Volk-Detailseite.

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

@@ -0,0 +1,13 @@
+import { apiFetch } from "@/lib/auth/api-client";
+import { CreateTreatmentInput, Treatment } from "./types";
+
+export function fetchColonyTreatments(colonyId: string): Promise<Treatment[]> {
+  return apiFetch<Treatment[]>(`/colonies/${colonyId}/treatments`);
+}
+
+export function createTreatment(input: CreateTreatmentInput): Promise<Treatment> {
+  return apiFetch<Treatment>("/treatments", {
+    method: "POST",
+    body: JSON.stringify(input),
+  });
+}

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

@@ -0,0 +1,30 @@
+export interface Treatment {
+  id: string;
+  colonyId: string;
+  userId: string;
+  date: string;
+  startDate: string | null;
+  endDate: string | null;
+  product: string;
+  activeIngredient: string | null;
+  amount: string | null;
+  method: string | null;
+  reason: string | null;
+  batchNumber: string | null;
+  notes: string | null;
+  createdAt: string;
+}
+
+export interface CreateTreatmentInput {
+  colonyId: string;
+  date: string;
+  startDate?: string;
+  endDate?: string;
+  product: string;
+  activeIngredient?: string;
+  amount?: string;
+  method?: string;
+  reason?: string;
+  batchNumber?: string;
+  notes?: string;
+}