Cover BOM-wrapped uppercase HTTP baseURL acceptance

Co-authored-by: Eric Allam <eric@trigger.dev>

Author: cursoragent

packages/ai/src/chatTransport.test.ts

@@ -1094,6 +1094,17 @@ describe("TriggerChatTransport", function () {
     }).not.toThrow();
   });
 
+  it("accepts BOM-wrapped uppercase HTTP baseURL values", function () {
+    expect(function () {
+      new TriggerChatTransport({
+        task: "chat-task",
+        accessToken: "pk_trigger",
+        baseURL: "\uFEFFHTTP://api.trigger.dev/custom-prefix/\uFEFF",
+        stream: "chat-stream",
+      });
+    }).not.toThrow();
+  });
+
   it("accepts percent-encoded whitespace in baseURL paths", function () {
     expect(function () {
       new TriggerChatTransport({
@@ -3800,6 +3811,17 @@ describe("TriggerChatTransport", function () {
     }).not.toThrow();
   });
 
+  it("accepts BOM-wrapped uppercase HTTP baseURL values from factory", function () {
+    expect(function () {
+      createTriggerChatTransport({
+        task: "chat-task",
+        accessToken: "pk_trigger",
+        baseURL: "\uFEFFHTTP://api.trigger.dev/custom-prefix/\uFEFF",
+        stream: "chat-stream",
+      });
+    }).not.toThrow();
+  });
+
   it("accepts percent-encoded whitespace in baseURL paths from factory", function () {
     expect(function () {
       createTriggerChatTransport({