feat(presets): add Grok Build presets for SoruxGPT, IKunCode and RunToken

All three relays list grok-4.5 on their public pricing pages, so they now
get Grok Build presets on their /v1 hosts, with the same endpoint
candidates as their Codex presets.

src/config/grokBuildProviderPresets.ts

@@ -637,4 +637,46 @@ export const grokBuildProviderPresets: GrokBuildProviderPreset[] = [
     category: "aggregator",
     icon: "therouter",
   },
+  {
+    name: "SoruxGPT",
+    websiteUrl: "https://ai.soruxgpt.com",
+    apiKeyUrl: "https://ai.soruxgpt.com/console/token",
+    auth: grokAuth(),
+    config: grokPresetConfig("SoruxGPT", "https://ai.soruxgpt.com/v1"),
+    endpointCandidates: [
+      "https://ai.soruxgpt.com/v1",
+      "https://api-cf.soruxgpt.com/v1",
+      "https://api-host.soruxgpt.com/v1",
+      "https://api-node6.soruxgpt.com/v1",
+      "https://api-node3.soruxgpt.com/v1",
+    ],
+    category: "aggregator",
+    icon: "soruxgpt",
+  },
+  {
+    name: "IKunCode",
+    websiteUrl: "https://api.ikuncode.ai",
+    apiKeyUrl: "https://api.ikuncode.ai/console/token",
+    auth: grokAuth(),
+    config: grokPresetConfig("IKunCode", "https://api.ikuncode.ai/v1"),
+    endpointCandidates: [
+      "https://api.ikuncode.ai/v1",
+      "https://api.ikuncode.cc/v1",
+    ],
+    category: "aggregator",
+    icon: "ikuncode",
+  },
+  {
+    name: "RunToken",
+    websiteUrl: "https://www.runtoken.ai",
+    apiKeyUrl: "https://www.runtoken.ai/console/token",
+    auth: grokAuth(),
+    config: grokPresetConfig("RunToken", "https://www.runtoken.ai/v1"),
+    endpointCandidates: [
+      "https://www.runtoken.ai/v1",
+      "https://fast.runtoken.ai/v1",
+    ],
+    category: "aggregator",
+    icon: "runtoken",
+  },
 ];