feat: añadir logs y endpoint de salud en proxy y login

Co-authored-by: aider (openrouter/openai/gpt-5) <aider@aider.chat>

apps/web/src/routes/login/+server.ts

@@ -11,6 +11,7 @@ function toIsoSql(d: Date): string {
 export const GET: RequestHandler = async (event) => {
   const token = event.url.searchParams.get('token')?.trim();
   if (!token) {
+    console.warn('[web/login] Solicitud sin token');
     return new Response('Falta el token', { status: 400 });
   }
 
@@ -32,6 +33,7 @@ export const GET: RequestHandler = async (event) => {
 
   const changes = Number(res?.changes || 0);
   if (changes < 1) {
+    console.warn('[web/login] Token no canjeado (0 cambios). Posible caducado/ya usado/no existe.');
     return new Response('Enlace inválido o caducado', { status: 400 });
   }
 

proxy.ts

@@ -14,6 +14,8 @@ function buildForwardHeaders(req: Request): Headers {
     const fwdFor = headers.get('x-forwarded-for');
     headers.set('x-forwarded-proto', proto);
     headers.set('x-forwarded-for', fwdFor ? `${fwdFor}, 127.0.0.1` : '127.0.0.1');
+    const host = headers.get('host') || '';
+    if (!host) headers.set('host', 'localhost');
   } catch {}
   return headers;
 }
@@ -22,7 +24,14 @@ Bun.serve({
   port: Number(process.env.PORT || process.env.ROUTER_PORT || 3000),
   fetch: async (req) => {
     const url = new URL(req.url);
-    const targetOrigin = shouldRouteToBot(url.pathname) ? BOT_ORIGIN : WEB_ORIGIN;
+
+    // Health local para el contenedor (evita 404 en healthcheck)
+    if (url.pathname === '/health') {
+      return new Response('ok', { status: 200, headers: { 'content-type': 'text/plain' } });
+    }
+
+    const routeToBot = shouldRouteToBot(url.pathname);
+    const targetOrigin = routeToBot ? BOT_ORIGIN : WEB_ORIGIN;
     const targetUrl = targetOrigin + url.pathname + url.search;
 
     const init: RequestInit = {
@@ -32,12 +41,18 @@ Bun.serve({
       redirect: 'manual',
     };
 
+    const started = Date.now();
     try {
       const res = await fetch(targetUrl, init);
+      const ms = Date.now() - started;
+      try {
+        console.log(`[proxy] ${req.method} ${url.pathname}${url.search} -> ${routeToBot ? 'bot' : 'web'} ${res.status} (${ms}ms)`);
+      } catch {}
       // Devuelve la respuesta tal cual (incluye Set-Cookie, Location, etc.)
       return res;
     } catch (err) {
       const msg = err instanceof Error ? err.message : String(err);
+      console.error(`[proxy] ${req.method} ${url.pathname}${url.search} -> ERROR: ${msg}`);
       return new Response(`Proxy error: ${msg}\n`, { status: 502 });
     }
   },