feat: Complete Sprints 3 & 4 - Email, Reschedule, OCR, Upload, Contact Forms

Sprint 3 - Crisis y Agenda (100%):
- Implement SMTP email service with nodemailer
- Create email templates (reschedule, daily agenda, course inquiry)
- Add appointment reschedule functionality with modal
- Add Google Calendar updateEvent function
- Create scheduled job for daily agenda email at 10 PM
- Add manual trigger endpoint for testing

Sprint 4 - Pagos y Roles (100%):
- Add Payment proof upload with OCR (tesseract.js, pdf-parse)
- Extract data from proofs (amount, date, reference, sender, bank)
- Create PaymentUpload component with drag & drop
- Add course contact form to /cursos page
- Update Services button to navigate to /servicios
- Add Reschedule button to Assistant and Therapist dashboards
- Add PaymentUpload component to Assistant dashboard
- Add eventId field to Appointment model
- Add OCR-extracted fields to Payment model
- Update Prisma schema and generate client
- Create API endpoints for reschedule, upload-proof, courses contact
- Create manual trigger endpoint for daily agenda job
- Initialize daily agenda job in layout.tsx

Dependencies added:
- nodemailer, node-cron, tesseract.js, sharp, pdf-parse, @types/nodemailer

Files created/modified:
- src/infrastructure/email/smtp.ts
- src/lib/email/templates/*
- src/jobs/send-daily-agenda.ts
- src/app/api/calendar/reschedule/route.ts
- src/app/api/payments/upload-proof/route.ts
- src/app/api/contact/courses/route.ts
- src/app/api/jobs/trigger-agenda/route.ts
- src/components/dashboard/RescheduleModal.tsx
- src/components/dashboard/PaymentUpload.tsx
- src/components/forms/CourseContactForm.tsx
- src/app/dashboard/asistente/page.tsx (updated)
- src/app/dashboard/terapeuta/page.tsx (updated)
- src/app/cursos/page.tsx (updated)
- src/components/layout/Services.tsx (updated)
- src/infrastructure/external/calendar.ts (updated)
- src/app/layout.tsx (updated)
- prisma/schema.prisma (updated)
- src/lib/validations.ts (updated)
- src/lib/env.ts (updated)

Tests:
- TypeScript typecheck: No errors
- ESLint: Only warnings (img tags, react-hooks)
- Production build: Successful

Documentation:
- Updated CHANGELOG.md with Sprint 3/4 changes
- Updated PROGRESS.md with 100% completion status
- Updated TASKS.md with completed tasks

tailwind.config.ts

@@ -0,0 +1,84 @@
+import type { Config } from "tailwindcss";
+
+const config: Config = {
+  darkMode: ["class"],
+  content: [
+    "./pages/**/*.{ts,tsx}",
+    "./components/**/*.{ts,tsx}",
+    "./app/**/*.{ts,tsx}",
+    "./src/**/*.{ts,tsx}",
+  ],
+  prefix: "",
+  theme: {
+    container: {
+      center: true,
+      padding: "2rem",
+      screens: {
+        "2xl": "1400px",
+      },
+    },
+    extend: {
+      colors: {
+        border: "hsl(var(--border))",
+        input: "hsl(var(--input))",
+        ring: "hsl(var(--ring))",
+        background: {
+          DEFAULT: "#F9F6E9",
+          foreground: "hsl(var(--foreground))",
+        },
+        foreground: "hsl(var(--foreground))",
+        primary: {
+          DEFAULT: "#340649",
+          foreground: "#F9F6E9",
+        },
+        secondary: {
+          DEFAULT: "#67486A",
+          foreground: "#F9F6E9",
+        },
+        accent: {
+          DEFAULT: "#C8A668",
+          foreground: "#340649",
+        },
+        muted: {
+          DEFAULT: "#F9F6E9",
+          foreground: "#67486A",
+        },
+        card: {
+          DEFAULT: "#FFFFFF",
+          foreground: "#340649",
+        },
+        text: {
+          dark: "#340649",
+          light: "#F9F6E9",
+          muted: "#67486A",
+        },
+      },
+      borderRadius: {
+        lg: "var(--radius)",
+        md: "calc(var(--radius) - 2px)",
+        sm: "calc(var(--radius) - 4px)",
+      },
+      fontFamily: {
+        sans: ["Inter", "system-ui", "sans-serif"],
+        serif: ["Playfair Display", "Georgia", "serif"],
+      },
+      keyframes: {
+        "accordion-down": {
+          from: { height: "0" },
+          to: { height: "var(--radix-accordion-content-height)" },
+        },
+        "accordion-up": {
+          from: { height: "var(--radix-accordion-content-height)" },
+          to: { height: "0" },
+        },
+      },
+      animation: {
+        "accordion-down": "accordion-down 0.2s ease-out",
+        "accordion-up": "accordion-up 0.2s ease-out",
+      },
+    },
+  },
+  plugins: [require("tailwindcss-animate")],
+};
+
+export default config;