feat(aigc): fully integrate backend API and replace mock data

- Replace all static mock data with real backend API calls for templates, generation tasks, credit balance and recharge
- Remove deprecated mock data files including templates.js, versionOptions.js, records.js and packages.js
- Add useCurrentCredit composable for fetching and managing user credit balance
- Update all components to align with new backend data shapes (e.g. templateItemId instead of id)
- Add loading and disabled states for interactive UI elements
- Implement full WeChat mini-program payment flow for credit recharge
- Fix template and record card UI styling and media handling
- Set developVersion flag to true for testing environment

src/request/api/AigcApi.js

@@ -0,0 +1,34 @@
+import request from "../base/request";
+
+function getAigcTemplateList() {
+  return request.get("/hotelBiz/aigc/aigcTemplateList", {});
+}
+
+function getAigcTemplateItemList(args) {
+  return request.post("/hotelBiz/aigc/aigcTemplateItemList", args);
+}
+
+function getAigcGeneratorTaskList(args) {
+  return request.post("/hotelBiz/aigcGeneratorTask/aigcGeneratorTaskList", args);
+}
+
+function createAigcGeneratorTask(args) {
+  return request.post("/hotelBiz/aigcGeneratorTask/createAigcGeneratorTask", args);
+}
+
+function getCurrentCredit() {
+  return request.get("/hotelBiz/credit/current", {});
+}
+
+function rechargeCredit(args) {
+  return request.post("/hotelBiz/credit/recharge", args);
+}
+
+export {
+  getAigcTemplateList,
+  getAigcTemplateItemList,
+  getAigcGeneratorTaskList,
+  createAigcGeneratorTask,
+  getCurrentCredit,
+  rechargeCredit,
+};