From 2ce01e144b4b3edfb97a36231a4fa266f701caa3 Mon Sep 17 00:00:00 2001
From: Cursor Agent <cursoragent@cursor.com>
Date: Sun, 15 Feb 2026 07:22:34 +0000
Subject: [PATCH] Cover six-per-em-space baseURL wrapper and internal
 validation

Co-authored-by: Eric Allam <eric@trigger.dev>
---
 docs/tasks/streams.mdx                |  2 ++
 packages/ai/README.md                 |  2 ++
 packages/ai/src/chatTransport.test.ts | 44 +++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)

diff --git a/docs/tasks/streams.mdx b/docs/tasks/streams.mdx
index 757c40cc8..52b607d88 100644
--- a/docs/tasks/streams.mdx
+++ b/docs/tasks/streams.mdx
@@ -675,6 +675,7 @@ Examples:
 - ✅ `\u200Ahttps://api.trigger.dev/custom-prefix/\u200A` (hair-space wrapper trimmed)
 - ✅ `\u2009https://api.trigger.dev/custom-prefix/\u2009` (thin-space wrapper trimmed)
 - ✅ `\u2008https://api.trigger.dev/custom-prefix/\u2008` (punctuation-space wrapper trimmed)
+- ✅ `\u2006https://api.trigger.dev/custom-prefix/\u2006` (six-per-em-space wrapper trimmed)
 - ✅ `\u205Fhttps://api.trigger.dev/custom-prefix/\u205F` (medium-mathematical-space wrapper trimmed)
 - ✅ `\u3000https://api.trigger.dev/custom-prefix/\u3000` (ideographic-space wrapper trimmed)
 - ✅ `\uFEFFhttps://api.trigger.dev/custom-prefix/\uFEFF` (BOM wrapper trimmed)
@@ -711,6 +712,7 @@ Examples:
 - ❌ `https://api.trigger.dev/\u200Ainternal`
 - ❌ `https://api.trigger.dev/\u2009internal`
 - ❌ `https://api.trigger.dev/\u2008internal`
+- ❌ `https://api.trigger.dev/\u2006internal`
 - ❌ `https://api.trigger.dev/\u202Finternal`
 - ❌ `https://api.trigger.dev/\u205Finternal`
 - ❌ `https://api.trigger.dev/\u180Einternal`
diff --git a/packages/ai/README.md b/packages/ai/README.md
index db2b9e3fd..477f38e81 100644
--- a/packages/ai/README.md
+++ b/packages/ai/README.md
@@ -182,6 +182,7 @@ Examples:
 - ✅ `\u200Ahttps://api.trigger.dev/custom-prefix/\u200A` (hair-space wrapper trimmed)
 - ✅ `\u2009https://api.trigger.dev/custom-prefix/\u2009` (thin-space wrapper trimmed)
 - ✅ `\u2008https://api.trigger.dev/custom-prefix/\u2008` (punctuation-space wrapper trimmed)
+- ✅ `\u2006https://api.trigger.dev/custom-prefix/\u2006` (six-per-em-space wrapper trimmed)
 - ✅ `\u205Fhttps://api.trigger.dev/custom-prefix/\u205F` (medium-mathematical-space wrapper trimmed)
 - ✅ `\u3000https://api.trigger.dev/custom-prefix/\u3000` (ideographic-space wrapper trimmed)
 - ✅ `\uFEFFhttps://api.trigger.dev/custom-prefix/\uFEFF` (BOM wrapper trimmed)
@@ -218,6 +219,7 @@ Examples:
 - ❌ `https://api.trigger.dev/\u200Ainternal` (internal hair-space characters)
 - ❌ `https://api.trigger.dev/\u2009internal` (internal thin-space characters)
 - ❌ `https://api.trigger.dev/\u2008internal` (internal punctuation-space characters)
+- ❌ `https://api.trigger.dev/\u2006internal` (internal six-per-em-space characters)
 - ❌ `https://api.trigger.dev/\u202Finternal` (internal narrow no-break space characters)
 - ❌ `https://api.trigger.dev/\u205Finternal` (internal medium-mathematical-space characters)
 - ❌ `https://api.trigger.dev/\u180Einternal` (internal mongolian-vowel-separator characters)
diff --git a/packages/ai/src/chatTransport.test.ts b/packages/ai/src/chatTransport.test.ts
index 54f841425..b158f687c 100644
--- a/packages/ai/src/chatTransport.test.ts
+++ b/packages/ai/src/chatTransport.test.ts
@@ -994,6 +994,17 @@ describe("TriggerChatTransport", function () {
     }).toThrowError("baseURL must not contain internal whitespace characters");
   });
 
+  it("throws when baseURL contains internal six-per-em-space characters", function () {
+    expect(function () {
+      new TriggerChatTransport({
+        task: "chat-task",
+        accessToken: "pk_trigger",
+        baseURL: "https://api.trigger.dev/\u2006internal",
+        stream: "chat-stream",
+      });
+    }).toThrowError("baseURL must not contain internal whitespace characters");
+  });
+
   it("throws when baseURL contains internal mongolian-vowel-separator characters", function () {
     expect(function () {
       new TriggerChatTransport({
@@ -1544,6 +1555,17 @@ describe("TriggerChatTransport", function () {
     }).not.toThrow();
   });
 
+  it("accepts six-per-em-space wrapped baseURL values", function () {
+    expect(function () {
+      new TriggerChatTransport({
+        task: "chat-task",
+        accessToken: "pk_trigger",
+        baseURL: "\u2006https://api.trigger.dev/custom-prefix/\u2006",
+        stream: "chat-stream",
+      });
+    }).not.toThrow();
+  });
+
   it("accepts ideographic-space wrapped baseURL values", function () {
     expect(function () {
       new TriggerChatTransport({
@@ -4197,6 +4219,17 @@ describe("TriggerChatTransport", function () {
     }).toThrowError("baseURL must not contain internal whitespace characters");
   });
 
+  it("throws from factory when baseURL contains internal six-per-em-space characters", function () {
+    expect(function () {
+      createTriggerChatTransport({
+        task: "chat-task",
+        accessToken: "pk_trigger",
+        baseURL: "https://api.trigger.dev/\u2006internal",
+        stream: "chat-stream",
+      });
+    }).toThrowError("baseURL must not contain internal whitespace characters");
+  });
+
   it("throws from factory when baseURL contains internal mongolian-vowel-separator characters", function () {
     expect(function () {
       createTriggerChatTransport({
@@ -4736,6 +4769,17 @@ describe("TriggerChatTransport", function () {
     }).not.toThrow();
   });
 
+  it("accepts six-per-em-space wrapped baseURL values from factory", function () {
+    expect(function () {
+      createTriggerChatTransport({
+        task: "chat-task",
+        accessToken: "pk_trigger",
+        baseURL: "\u2006https://api.trigger.dev/custom-prefix/\u2006",
+        stream: "chat-stream",
+      });
+    }).not.toThrow();
+  });
+
   it("accepts ideographic-space wrapped baseURL values from factory", function () {
     expect(function () {
       createTriggerChatTransport({