Use Canonical Models to set context window sizes (#6723)

ui/desktop/src/utils/canonical.ts

@@ -0,0 +1,24 @@
+/**
+ * Utilities for fetching canonical model information from the backend
+ */
+
+import { getCanonicalModelInfo, type ModelInfoData } from '../api';
+
+/**
+ * Fetch canonical model info (pricing + context limits) for a specific provider/model
+ */
+export async function fetchCanonicalModelInfo(
+  provider: string,
+  model: string
+): Promise<ModelInfoData | null> {
+  try {
+    const response = await getCanonicalModelInfo({
+      body: { provider, model },
+      throwOnError: true,
+    });
+
+    return response.data.model_info ?? null;
+  } catch {
+    return null;
+  }
+}

ui/desktop/src/utils/pricing.ts

@@ -1,24 +0,0 @@
-import { getPricing, PricingData } from '../api';
-
-/**
- * Fetch pricing for a specific provider/model from the backend
- */
-export async function fetchModelPricing(
-  provider: string,
-  model: string
-): Promise<PricingData | null> {
-  try {
-    const response = await getPricing({
-      body: { provider, model },
-      throwOnError: false,
-    });
-
-    if (!response.data) {
-      return null;
-    }
-
-    return response.data.pricing?.[0] ?? null;
-  } catch {
-    return null;
-  }
-}