Initial commit: Complete NodeJS-native setup

- Migrated from Python pre-commit to NodeJS-native solution
- Reorganized documentation structure
- Set up Husky + lint-staged for efficient pre-commit hooks
- Fixed Dockerfile healthcheck issue
- Added comprehensive documentation index

tests/e2e/reminders.spec.ts

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+import { test, expect } from '@playwright/test';
+
+test.describe('Reminder System', () => {
+  test.beforeEach(async ({ page }) => {
+    // Login as admin
+    await page.goto('/');
+    await page.fill('input[type="email"]', 'admin@localhost');
+    await page.fill('input[type="password"]', 'admin123!');
+    await page.click('button[type="submit"]');
+    await expect(page.locator('h1')).toContainText('Medication Reminder');
+  });
+
+  test('should create custom reminder', async ({ page }) => {
+    // Click manage reminders
+    await page.click('button:has-text("Reminders")');
+
+    // Add new reminder
+    await page.click('button:has-text("Add Reminder")');
+
+    // Fill reminder form
+    await page.fill('input[name="title"]', 'Drink Water');
+    await page.selectOption('select[name="icon"]', 'bell');
+    await page.fill('input[name="frequency"]', '60'); // Every hour
+
+    await page.click('button[type="submit"]');
+
+    // Should see reminder in list
+    await expect(page.locator('text=Drink Water')).toBeVisible();
+  });
+
+  test('should edit custom reminder', async ({ page }) => {
+    // First create a reminder
+    await page.click('button:has-text("Reminders")');
+    await page.click('button:has-text("Add Reminder")');
+    await page.fill('input[name="title"]', 'Exercise');
+    await page.click('button[type="submit"]');
+
+    // Edit the reminder
+    await page.click('[data-testid="edit-reminder"]');
+    await page.fill('input[name="title"]', 'Morning Exercise');
+    await page.click('button[type="submit"]');
+
+    await expect(page.locator('text=Morning Exercise')).toBeVisible();
+  });
+
+  test('should delete custom reminder', async ({ page }) => {
+    // Create and then delete reminder
+    await page.click('button:has-text("Reminders")');
+    await page.click('button:has-text("Add Reminder")');
+    await page.fill('input[name="title"]', 'Temporary Reminder');
+    await page.click('button[type="submit"]');
+
+    // Delete it
+    await page.click('[data-testid="delete-reminder"]');
+    await page.click('button:has-text("Delete")'); // Confirm
+
+    await expect(page.locator('text=Temporary Reminder')).not.toBeVisible();
+  });
+
+  test('should show scheduled medication doses', async ({ page }) => {
+    // Add a medication first
+    await page.click('button:has-text("Add Medication")');
+    await page.fill('input[name="name"]', 'Scheduled Med');
+    await page.fill('input[name="dosage"]', '5mg');
+    await page.selectOption('select[name="frequency"]', 'daily');
+    await page.fill('input[name="times"]', '3'); // 3 times daily
+    await page.click('button[type="submit"]');
+
+    // Should see scheduled doses for today
+    await expect(page.locator('text=Scheduled Med')).toBeVisible();
+    await expect(page.locator('button:has-text("Take")')).toHaveCount(3);
+  });
+
+  test('should handle missed doses', async ({ page }) => {
+    // This would test the logic for marking doses as missed
+    // when they pass their scheduled time
+
+    // Add medication with past schedule
+    await page.click('button:has-text("Add Medication")');
+    await page.fill('input[name="name"]', 'Past Due Med');
+    await page.fill('input[name="dosage"]', '10mg');
+    await page.click('button[type="submit"]');
+
+    // Simulate time passing or manually mark as missed
+    // This would depend on your app's specific implementation
+  });
+});