feat: Add Medication Refill feature with mobile UI improvements (#30)

* feat: Add Medication Refill feature with UI improvements

- Add refill functionality to medications (add packs/loose pills)
- Add refill API endpoint with history tracking
- Add refill section in edit forms (desktop & mobile)
- Add refill modal in medication detail view
- Add refill history display with expand/collapse
- Add schedule lightbox for clicking medication images
- Improve button styling with primary/info/success classes
- Move '+ New entry' button to medication list header
- Lightbox size: 50% desktop, 90% mobile
- Update selectedMed sync after stock changes
- Migrate from schema-sql.ts to Drizzle Kit migrations

* fix: Improve mobile tooltips and refill modal layout

- Center tooltips on screen for mobile devices (fixed position)
- Close tooltips automatically when scrolling on touch devices
- Use click-based tooltip activation instead of hover on mobile
- Fix refill modal buttons to display in two rows on mobile

backend/src/index.ts

@@ -20,6 +20,7 @@ import { plannerRoutes } from "./routes/planner.js";
 import { shareRoutes } from "./routes/share.js";
 import { doseRoutes } from "./routes/doses.js";
 import { exportRoutes } from "./routes/export.js";
+import { refillRoutes } from "./routes/refills.js";
 import { startReminderScheduler } from "./services/reminder-scheduler.js";
 import { startIntakeReminderScheduler } from "./services/intake-reminder-scheduler.js";
 
@@ -115,6 +116,7 @@ export async function createApp(options?: {
   await app.register(shareRoutes);
   await app.register(doseRoutes);
   await app.register(exportRoutes);
+  await app.register(refillRoutes);
 
   return app;
 }
@@ -184,6 +186,7 @@ await app.register(plannerRoutes);
 await app.register(shareRoutes);
 await app.register(doseRoutes);
 await app.register(exportRoutes);
+await app.register(refillRoutes);
 
 const start = async () => {
   try {