feat: production deployment - full update with providers, admin, glossaries, pricing, tests

Major changes across backend, frontend, infrastructure:
- Provider system with model selection (Google, DeepL, OpenAI, Ollama, Google Cloud)
- Admin panel: user management, pricing, settings
- Glossary system with CSV import/export
- Subscription and tier quota management
- Security hardening (rate limiting, API key auth, path traversal fixes)
- Docker compose for dev, prod, and IONOS deployment
- Alembic migrations for new tables
- Frontend: dashboard, pricing page, landing page, i18n (en/fr)
- Test suite and verification scripts

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

office-translator-landing-page/app/dashboard/layout.tsx

@@ -0,0 +1,15 @@
+import type { Metadata } from "next"
+
+export const metadata: Metadata = {
+  title: "Dashboard - Office Translator",
+  description:
+    "Manage your API keys, glossaries, and translation settings.",
+}
+
+export default function DashboardLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  return <>{children}</>
+}

office-translator-landing-page/app/dashboard/page.tsx

@@ -0,0 +1,43 @@
+"use client"
+
+import { DashboardSidebar } from "@/components/dashboard-sidebar"
+import { DashboardHeader } from "@/components/dashboard-header"
+import { ApiAutomationCard } from "@/components/api-automation-card"
+import { GlossaryContextCard } from "@/components/glossary-context-card"
+
+export default function DashboardPage() {
+  return (
+    <div className="flex h-screen bg-background">
+      {/* Sidebar */}
+      <DashboardSidebar />
+
+      {/* Main area */}
+      <div className="flex flex-1 flex-col overflow-hidden">
+        {/* Top Header */}
+        <DashboardHeader />
+
+        {/* Content */}
+        <main className="flex-1 overflow-y-auto">
+          <div className="mx-auto max-w-5xl px-4 py-6 lg:px-8 lg:py-8">
+            {/* Page heading */}
+            <div className="mb-6">
+              <h2 className="text-xl font-semibold tracking-tight text-foreground">
+                Overview
+              </h2>
+              <p className="mt-1 text-sm text-muted-foreground">
+                Monitor your usage, manage API keys, and configure translation
+                preferences.
+              </p>
+            </div>
+
+            {/* Feature cards */}
+            <div className="flex flex-col gap-6">
+              <ApiAutomationCard />
+              <GlossaryContextCard />
+            </div>
+          </div>
+        </main>
+      </div>
+    </div>
+  )
+}