From 454c7b0e6c8be6e473ac62c719c0516db14b1e7c Mon Sep 17 00:00:00 2001
From: 7418 <7418@openclaw.ai>
Date: Fri, 6 Feb 2026 22:29:44 +0800
Subject: [PATCH] fix: show detailed error messages for session creation
 failures

Return full error stack traces from the sessions API and display
the actual server error in the frontend, instead of a generic
"Failed to create session" message.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/app/api/chat/sessions/route.ts | 6 ++++--
 src/app/chat/page.tsx              | 5 ++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/app/api/chat/sessions/route.ts b/src/app/api/chat/sessions/route.ts
index 3bb3ba1..8ae1050 100644
--- a/src/app/api/chat/sessions/route.ts
+++ b/src/app/api/chat/sessions/route.ts
@@ -8,7 +8,8 @@ export async function GET() {
     const response: SessionsResponse = { sessions };
     return Response.json(response);
   } catch (error) {
-    const message = error instanceof Error ? error.message : 'Failed to fetch sessions';
+    const message = error instanceof Error ? error.stack || error.message : String(error);
+    console.error('[GET /api/chat/sessions] Error:', message);
     return Response.json({ error: message }, { status: 500 });
   }
 }
@@ -26,7 +27,8 @@ export async function POST(request: NextRequest) {
     const response: SessionResponse = { session };
     return Response.json(response, { status: 201 });
   } catch (error) {
-    const message = error instanceof Error ? error.message : 'Failed to create session';
+    const message = error instanceof Error ? error.stack || error.message : String(error);
+    console.error('[POST /api/chat/sessions] Error:', message);
     return Response.json({ error: message }, { status: 500 });
   }
 }
diff --git a/src/app/chat/page.tsx b/src/app/chat/page.tsx
index 4e55093..f49733e 100644
--- a/src/app/chat/page.tsx
+++ b/src/app/chat/page.tsx
@@ -111,7 +111,10 @@ export default function NewChatPage() {
           body: JSON.stringify(createBody),
         });
 
-        if (!createRes.ok) throw new Error('Failed to create session');
+        if (!createRes.ok) {
+          const errBody = await createRes.json().catch(() => ({}));
+          throw new Error(errBody.error || `Failed to create session (${createRes.status})`);
+        }
 
         const { session }: SessionResponse = await createRes.json();
         sessionId = session.id;