feat(web): Schedule-First redesign

- Top header bar + narrow sidebar layout
- Dashboard: calendar-style schedule with timeline cards
- Clients: card-based layout with avatar initials and pet count
- Services: grid cards with emoji indicators and pricing
- Bookings: timeline cards with time slots, status chips, inline actions
- Invoices: cards with status badges, action buttons
- All pages: search bars, empty states, modal forms
- Consistent color system: indigo primary, amber alerts, gray hierarchy

web/tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "lib": ["DOM", "DOM.Iterable", "ES2020"],
+    "module": "ESNext",
+    "moduleResolution": "node",
+    "jsx": "react-jsx",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true
+  },
+  "include": ["src"]
+}