fix(models): store provider custom models by provider scope

src/shared/utils/providerCustomModels.js

@@ -0,0 +1,54 @@
+function modelType(model) {
+  return model?.kind || model?.type || "llm";
+}
+
+export function getProviderCustomModelRows({
+  customModels = [],
+  modelAliases = {},
+  providerAlias,
+  builtInModels = [],
+  type = "llm",
+  includeLegacyAliases = true,
+}) {
+  const builtInIds = new Set(builtInModels.map((model) => model.id));
+  const seenFullModels = new Set();
+  const rows = [];
+
+  for (const model of customModels) {
+    if (!model?.id || model.providerAlias !== providerAlias) continue;
+    const rowType = modelType(model);
+    if (type && rowType !== type) continue;
+    if (builtInIds.has(model.id)) continue;
+
+    const fullModel = `${providerAlias}/${model.id}`;
+    if (seenFullModels.has(fullModel)) continue;
+    seenFullModels.add(fullModel);
+    rows.push({
+      id: model.id,
+      name: model.name || model.id,
+      fullModel,
+      source: "custom",
+      type: rowType,
+    });
+  }
+
+  if (!includeLegacyAliases) return rows;
+
+  const prefix = `${providerAlias}/`;
+  for (const [alias, fullModel] of Object.entries(modelAliases || {})) {
+    if (typeof fullModel !== "string" || !fullModel.startsWith(prefix)) continue;
+    const id = fullModel.slice(prefix.length);
+    if (!id || builtInIds.has(id) || seenFullModels.has(fullModel)) continue;
+
+    seenFullModels.add(fullModel);
+    rows.push({
+      id,
+      alias,
+      fullModel,
+      source: "legacyAlias",
+      type: type || "llm",
+    });
+  }
+
+  return rows;
+}