P7: mount public WG invite redemption route (lazy provider, 503 when not wireguard)

dashcaddy-api/src/app.js

@@ -89,6 +89,7 @@ const networkLifecycleRoutes = require('../routes/network-lifecycle');
 const networkGroupsRoutes = require('../routes/network-groups');
 const networkResourcesRoutes = require('../routes/network-resources');
 const networkWizardRoutes = require('../routes/network-wizard');
+const networkWgRedeemRoutes = require('../routes/network-wg-redeem');
 const sitesRoutes = require('../routes/sites');
 const credentialsRoutes = require('../routes/credentials');
 const arrRoutes = require('../routes/arr');
@@ -782,6 +783,31 @@ async function createApp() {
     asyncHandler: ctx.asyncHandler,
     log: ctx.log,
   }));
+
+  // Public WG invite redemption (DC-150). Lazy provider resolution: the
+  // factory requires a provider at construction; get one only when the
+  // WireGuard provider is registered, else mount a 503 stub.
+  const p7WgProviderFactory = () => {
+    const prov = getActiveProvider();
+    return prov && prov.id && prov.id() === 'wireguard' ? prov : null;
+  };
+  let p7WgRedeemRouter = null;
+  const p7WgRedeemLazy = (req, res, next) => {
+    if (!p7WgRedeemRouter) {
+      const prov = p7WgProviderFactory();
+      if (!prov) {
+        return res.status(503).json({ error: 'network provider not active' });
+      }
+      p7WgRedeemRouter = networkWgRedeemRoutes({
+        provider: prov,
+        endpoint: ctx.networkWgEndpoint,
+        asyncHandler: ctx.asyncHandler,
+        log: ctx.log,
+      });
+    }
+    return p7WgRedeemRouter(req, res, next);
+  };
+  apiRouter.use('/network/wg', p7WgRedeemLazy);
   // ── end P7 mounts ───────────────────────────────────────────────────────
   apiRouter.use(sitesRoutes({
     asyncHandler: ctx.asyncHandler,