Initial commit: Port Nimara CRM (Layers 0-4)

Full CRM rebuild with Next.js 15, TypeScript, Tailwind, Drizzle ORM,
PostgreSQL, Redis, BullMQ, MinIO, and Socket.io. Includes 461 source
files covering clients, berths, interests/pipeline, documents/EOI,
expenses/invoices, email, notifications, dashboard, admin, and
client portal. CI/CD via Gitea Actions with Docker builds.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/api/v1/currency/convert/route.ts

@@ -0,0 +1,32 @@
+import { NextResponse } from 'next/server';
+import { z } from 'zod';
+
+import { withAuth } from '@/lib/api/helpers';
+import { errorResponse } from '@/lib/errors';
+import { convert } from '@/lib/services/currency';
+
+const convertSchema = z.object({
+  amount: z.coerce.number().positive(),
+  from: z.string().length(3),
+  to: z.string().length(3),
+});
+
+export const POST = withAuth(async (req, _ctx) => {
+  try {
+    const body = await req.json();
+    const { amount, from, to } = convertSchema.parse(body);
+
+    const result = await convert(amount, from, to);
+
+    if (!result) {
+      return NextResponse.json(
+        { error: `Exchange rate not available for ${from} → ${to}` },
+        { status: 422 },
+      );
+    }
+
+    return NextResponse.json({ data: result });
+  } catch (error) {
+    return errorResponse(error);
+  }
+});

src/app/api/v1/currency/rates/refresh/route.ts

@@ -0,0 +1,18 @@
+import { NextResponse } from 'next/server';
+
+import { withAuth } from '@/lib/api/helpers';
+import { errorResponse } from '@/lib/errors';
+import { refreshRates } from '@/lib/services/currency';
+
+export const POST = withAuth(async (_req, ctx) => {
+  try {
+    if (!ctx.isSuperAdmin) {
+      return NextResponse.json({ error: 'Insufficient permissions' }, { status: 403 });
+    }
+
+    await refreshRates();
+    return NextResponse.json({ data: { success: true } });
+  } catch (error) {
+    return errorResponse(error);
+  }
+});

src/app/api/v1/currency/rates/route.ts

@@ -0,0 +1,15 @@
+import { NextResponse } from 'next/server';
+
+import { withAuth } from '@/lib/api/helpers';
+import { errorResponse } from '@/lib/errors';
+import { db } from '@/lib/db';
+import { currencyRates } from '@/lib/db/schema/system';
+
+export const GET = withAuth(async (_req, _ctx) => {
+  try {
+    const rates = await db.select().from(currencyRates).orderBy(currencyRates.baseCurrency);
+    return NextResponse.json({ data: rates });
+  } catch (error) {
+    return errorResponse(error);
+  }
+});