feat: add AI Dental Shopping section with sidebar nav and Login Info page

- Add AI Dental Shopping to sidebar with Search/Tag and Login Info sub-pages
- Build full-stack Login Info CRUD: save vendor name, website, username, password per user
- Add ShoppingVendor Prisma model, run db push, regenerate client and Zod schemas
- Add storage layer, REST API at /api/shopping-vendors/, and frontend table with add/edit/delete modal

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/db/types/index.ts

@@ -12,4 +12,5 @@ export * from "./cloudStorage-types";
 export * from "./payments-reports-types";
 export * from "./patientConnection-types";
 export * from "./npiProviders-types";
-export * from "./patientDocument-types";
+export * from "./patientDocument-types";
+export * from "./shopping-vendor-types";

packages/db/types/shopping-vendor-types.ts

@@ -0,0 +1,12 @@
+import { ShoppingVendorUncheckedCreateInputObjectSchema } from "@repo/db/usedSchemas";
+import { z } from "zod";
+
+export type ShoppingVendor = z.infer<
+  typeof ShoppingVendorUncheckedCreateInputObjectSchema
+> & { id: number };
+
+export const insertShoppingVendorSchema = (
+  ShoppingVendorUncheckedCreateInputObjectSchema as unknown as z.ZodObject<any>
+).omit({ id: true });
+
+export type InsertShoppingVendor = z.infer<typeof insertShoppingVendorSchema>;