feat(deploy): CI/CD Gitea Actions + stack Docker prod pour xip.kerboul.me

- docker-compose.prod.yml: postgres + redis + backend (bun) + web (nginx single-origin)
- backend/Dockerfile + entrypoint: prisma migrate deploy + seed idempotent au boot
- frontend/Dockerfile: build Vite (VITE_API_URL=https://xip.kerboul.me) servi par nginx
- deploy/nginx.conf: proxy /api + /ws vers le backend, SPA fallback
- .gitea/workflows/deploy.yml: auto-deploy SSH sur push main (runner CT121 -> CT502)
- scripts/deploy.sh: pull + rebuild de la stack
- mode open-bar (XIP_OPEN_BAR): paywall off pour tous en prod, via isFree() centralise

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

backend/src/routes/alert.ts

@@ -1,5 +1,5 @@
 import { Hono } from "hono";
-import { getClientIp, isLocalhost } from "../lib/ip";
+import { getClientIp, isFree } from "../lib/ip";
 import { prisma } from "../lib/prisma";
 import { redis } from "../lib/redis";
 import { spend } from "../lib/wallet";
@@ -24,7 +24,7 @@ alert.post("/", async (c) => {
   }
 
   // Must own the audio-alert entitlement (localhost bypasses).
-  if (!isLocalhost(ip)) {
+  if (!isFree(ip)) {
     const owned = await prisma.entitlement.findFirst({
       where: { ip, kind: "audio-alert", active: true },
     });

backend/src/routes/messages.ts

@@ -1,6 +1,6 @@
 import { Hono } from "hono";
 import { prisma } from "../lib/prisma";
-import { getClientIp, isLocalhost } from "../lib/ip";
+import { getClientIp, isFree } from "../lib/ip";
 import { recordMessage } from "../lib/stats";
 import { broadcastNewMessage } from "../realtime";
 import { getPerksForIp, getPerksForIps } from "../lib/perks";
@@ -11,7 +11,7 @@ const RICH_MAX = 64 * 1024; // 64 KB cap on rich markup
 
 /** Does this IP own the entitlement needed for a rich tier? */
 async function ownsRich(ip: string, mode: "htmlcss" | "js"): Promise<boolean> {
-  if (isLocalhost(ip)) return true;
+  if (isFree(ip)) return true;
   const kind = mode === "js" ? "rich-js" : "rich-htmlcss";
   const now = new Date();
   const rows = await prisma.entitlement.findMany({ where: { ip, kind, active: true } });

backend/src/routes/uploads.ts

@@ -1,7 +1,7 @@
 import { Hono } from "hono";
 import { randomUUID } from "node:crypto";
 import { prisma } from "../lib/prisma";
-import { getClientIp, isLocalhost } from "../lib/ip";
+import { getClientIp, isFree } from "../lib/ip";
 import { storeFile, absolutePathFor } from "../lib/storage";
 
 const uploads = new Hono();
@@ -10,7 +10,7 @@ const FREE_LIMIT = 1_000_000; // 1 Mo for the free tier (README)
 const ABSOLUTE_MAX = 50_000_000; // hard cap even for paid, to protect the dev box
 
 async function ownsNoFileLimit(ip: string): Promise<boolean> {
-  if (isLocalhost(ip)) return true;
+  if (isFree(ip)) return true;
   const rows = await prisma.entitlement.findMany({
     where: { ip, kind: "no-file-limit", active: true },
   });