Handle rejected subscriptions and add local client compose

src/shared/contracts/state.js

@@ -54,6 +54,14 @@ export function createStateSnapshot({
     : configExists ? 'running' : 'stopped';
   const servers = stored.servers;
   const routeMode = mode === 'client' ? gatewayAuto?.mode || 'local-vpn' : 'gateway-transparent';
+  const gatewayAutoEnabled = stored.gatewayAutoEnabled !== false;
+  const routeReason = mode !== 'client'
+    ? 'gateway-host'
+    : !gatewayAutoEnabled
+      ? 'disabled'
+      : routeMode === 'gateway-direct'
+        ? gatewayAuto?.failures ? 'gateway-stale' : 'gateway-found'
+        : gatewayAuto?.lastError ? 'gateway-lost' : 'local';
   const activeLocalRules = runtime?.running ? stored.appliedRouteRules : [];
 
   return assertStateSnapshot({
@@ -80,8 +88,11 @@ export function createStateSnapshot({
     route: {
       mode: routeMode,
       gatewayAddress: mode === 'client' ? gatewayAuto?.gateway?.gateway || null : null,
-      lastVerifiedAt: null,
-      reason: mode === 'client' && stored.gatewayAutoEnabled !== false ? 'auto' : 'manual',
+      gatewayUiOrigin: mode === 'client' ? gatewayAuto?.uiOrigin || null : null,
+      lastVerifiedAt: mode === 'client' ? dateOrNull(gatewayAuto?.lastVerifiedAt) : null,
+      autoEnabled: mode === 'client' && gatewayAutoEnabled,
+      fallbackPreference: mode === 'client' ? 'local-vpn' : 'none',
+      reason: routeReason,
       localRules: stored.routeRules,
       activeLocalRules,
       localRulesRevision: stored.routeRulesRevision,
@@ -122,6 +133,7 @@ export function withStateV0Compatibility(snapshot, {
       enabled: stored.gatewayAutoEnabled !== false,
       available: Boolean(gatewayAuto?.gatewayId),
       address: gatewayAuto?.gateway?.gateway || '',
+      uiOrigin: gatewayAuto?.uiOrigin || '',
       interface: gatewayAuto?.gateway?.interface || '',
       failures: Number(gatewayAuto?.failures) || 0,
       lastError: gatewayAuto?.lastError || '',
@@ -175,7 +187,10 @@ export function assertStateSnapshot(snapshot) {
     !snapshot.route ||
     typeof snapshot.route.mode !== 'string' ||
     !nullableString(snapshot.route.gatewayAddress) ||
+    !nullableString(snapshot.route.gatewayUiOrigin) ||
     !nullableDate(snapshot.route.lastVerifiedAt) ||
+    typeof snapshot.route.autoEnabled !== 'boolean' ||
+    typeof snapshot.route.fallbackPreference !== 'string' ||
     typeof snapshot.route.reason !== 'string' ||
     !Array.isArray(snapshot.route.localRules) ||
     !snapshot.route.localRules.every(validRouteRule) ||