refactor(packages): extract model-core package

src/shared/model-format-normalizer.ts

@@ -1,20 +1 @@
-export function normalizeModelFormat(
-  model: string | { providerID: string; modelID: string }
-): { providerID: string; modelID: string } | undefined {
-  if (!model) {
-    return undefined
-  }
-
-  if (typeof model === "object" && "providerID" in model && "modelID" in model) {
-    return { providerID: model.providerID, modelID: model.modelID }
-  }
-
-  if (typeof model === "string") {
-    const parts = model.split("/")
-    if (parts.length >= 2) {
-      return { providerID: parts[0], modelID: parts.slice(1).join("/") }
-    }
-  }
-
-  return undefined
-}
+export { normalizeModelFormat } from "@oh-my-opencode/model-core"