Include refresh failure reason in OAuth expiration error message

Surfaces the actual provider error (e.g. Reddit API response) in the
thrown exception so it appears in execution output, not just worker logs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: bchapuis

apps/api/src/runtime/cloudflare-credential-service.ts

@@ -235,13 +235,16 @@ export class CloudflareCredentialService implements CredentialService {
 
       return newAccessToken;
     } catch (error) {
+      const reason = error instanceof Error ? error.message : String(error);
       console.error(
         `[OAuth] Failed to refresh: ${provider} (${integrationId})`,
         error
       );
 
       await this.markIntegrationExpired(db, integrationId);
-      throw new Error("Integration has expired. Please reconnect in settings.");
+      throw new Error(
+        `Integration has expired. Please reconnect in settings. (Refresh failed: ${reason})`
+      );
     }
   }
 

apps/app/src/components/schema-dialog.tsx

@@ -137,8 +137,7 @@ function FieldEditor({ fields, onChange }: FieldEditorProps) {
                         onChange(
                           fields.map((f, i) => ({
                             ...f,
-                            primaryKey:
-                              i === index ? true : undefined,
+                            primaryKey: i === index ? true : undefined,
                           }))
                         );
                       }

apps/app/src/components/workflow/widgets/input/schema-compose-input.tsx

@@ -82,9 +82,7 @@ function SchemaComposeInputWidget({
         // Build the schema input from scratch to avoid race conditions
         // between competing input updates (onChange vs updateNodeData)
         updateNodeData(nodeId, (current) => {
-          const existingSchema = current.inputs?.find(
-            (i) => i.id === "schema"
-          );
+          const existingSchema = current.inputs?.find((i) => i.id === "schema");
           const schemaInput = {
             ...(existingSchema ?? {
               id: "schema",