feat: add Lab RX feature with template management and auto-seed defaults

- New lab_rx_template table with sortOrder and Prisma migrations
- Backend CRUD + reorder routes at /api/lab-rx/templates
- Auto-seeds 3 Highland Dental Studio defaults on first use per user
- LabRxModal: template picker, inline rename, up/down reorder, full
  template form with sections (Template Name / Lab Info / Case Details)
- RX popup: Tooth Number, Shade, Due Date, Doctor (from NPI providers),
  Instructions pre-filled with "Please make / Thank you!", print output
- lab-rx-templates.ts config file for future git-managed additions

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

packages/db/shared/schemas/variants/input/AiSettings.input.ts

@@ -1,22 +0,0 @@
-import * as z from 'zod';
-// prettier-ignore
-export const AiSettingsInputSchema = z.object({
-    id: z.number().int(),
-    userId: z.number().int(),
-    apiKey: z.string(),
-    aiEnabled: z.boolean(),
-    openAiKey: z.string(),
-    openAiEnabled: z.boolean(),
-    claudeAiKey: z.string(),
-    claudeAiEnabled: z.boolean(),
-    claudeAiModel: z.string(),
-    openAiModel: z.string(),
-    googleAiModel: z.string(),
-    dentalMgmtKey: z.string(),
-    dentalMgmtEnabled: z.boolean(),
-    afterHoursEnabled: z.boolean(),
-    openPhoneReply: z.boolean(),
-    user: z.unknown()
-}).strict();
-
-export type AiSettingsInputType = z.infer<typeof AiSettingsInputSchema>;