Fix add property page to match Flutter request body structure

- Remove 'For sale' offer type (rent only)
- Remove salePrice field and UI
- Fix rentTypeMap: 0=Monthly, 1=Daily (was wrong)
- Fix propertyType: uses RentPropertyCondition (furnished/unfurnished)
- Fix type field: uses RentPropertyType (furnished/unfurnished)
- Fix services: use enum API names in detailsJSON (Electricity, Internet...)
- Fix terms: use enum API names in detailsJSON (NoSmoking, NoAnimals...)
- Fix detailsJSON structure to match Flutter (services array, terms array, room object)
- Replace getCurrencies with static Currency enum dropdown
- Remove duplicate MapClickHandler
- Use all new enums from enums/index.js

app/utils/api.js

@@ -116,6 +116,22 @@ export async function getProperty(id) {
   return apiFetch(`/Properties/Get/${id}`);
 }
 
+// ─── Rent Properties (Add) ───
+
+/**
+ * Add a rent property
+ * Request body must match Flutter AddRentPropertyDto exactly
+ * @param {object} data — structured request body
+ * @returns {Promise<object>}
+ */
+export async function addRentProperty(data) {
+  console.log('[API] Adding rent property...');
+  return apiFetch('/RentProperties/AddRentProperty', {
+    method: 'POST',
+    body: JSON.stringify(data),
+  });
+}
+
 // ─── Recommendations ───
 
 export async function getRecommendations() {