Initial commit: SejeteralO water tarification platform

Full-stack app for participatory water pricing using Bezier curves.
- Backend: FastAPI + SQLAlchemy + SQLite with JWT auth
- Frontend: Nuxt 4 + TypeScript with interactive SVG editor
- Math engine: cubic Bezier tarification with Cardano solver
- Admin: commune management, household import, vote monitoring, CMS
- Citizen: interactive curve editor, vote submission
- Docker-compose deployment ready

Includes fixes for:
- Impact table snake_case/camelCase property mismatch
- CMS content backend API + frontend editor (was stub)
- Admin route protection middleware
- Public content display on commune page
- Vote confirmation page link fix

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/nuxt.config.ts

@@ -0,0 +1,30 @@
+export default defineNuxtConfig({
+  compatibilityDate: '2025-01-01',
+  future: { compatibilityVersion: 4 },
+
+  modules: ['@pinia/nuxt'],
+
+  devtools: { enabled: true },
+
+  devServer: {
+    port: 3009,
+  },
+
+  runtimeConfig: {
+    public: {
+      apiBase: 'http://localhost:8000/api/v1',
+    },
+  },
+
+  css: ['~/assets/css/main.css'],
+
+  app: {
+    head: {
+      title: 'SejeteralO - Tarification participative de l\'eau',
+      meta: [
+        { charset: 'utf-8' },
+        { name: 'viewport', content: 'width=device-width, initial-scale=1' },
+      ],
+    },
+  },
+})