fix: support slash-containing model IDs (#1074)

* fix: support slash-containing model IDs

* fix: parse worktree default model identifiers

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Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/stores/useConfigStore.ts

@@ -13,6 +13,7 @@ import { getRegisteredRuntimeAPIs } from "@/contexts/runtimeAPIRegistry";
 import { updateDesktopSettings } from "@/lib/persistence";
 import { useDirectoryStore } from "@/stores/useDirectoryStore";
 import { streamDebugEnabled } from "@/stores/utils/streamDebug";
+import { parseModelIdentifier } from "@/lib/modelIdentifier";
 
 const MODELS_DEV_API_URL = "https://models.dev/api.json";
 const MODELS_DEV_PROXY_URL = "/api/openchamber/models-metadata";
@@ -105,14 +106,7 @@ const fetchOpenChamberDefaults = async (): Promise<OpenChamberDefaults> => {
 };
 
 const parseModelString = (modelString: string): { providerId: string; modelId: string } | null => {
-    if (!modelString || typeof modelString !== 'string') {
-        return null;
-    }
-    const parts = modelString.split('/');
-    if (parts.length !== 2 || !parts[0] || !parts[1]) {
-        return null;
-    }
-    return { providerId: parts[0], modelId: parts[1] };
+    return parseModelIdentifier(modelString);
 };
 
 const normalizeProviderId = (value: string) => value?.toLowerCase?.() ?? '';