fix(triage): use full model ID and log API error details

Author: HeikesFootSlave

.github/workflows/issue-triage.yml

@@ -90,7 +90,7 @@ jobs:
                 'anthropic-version': '2023-06-01'
               },
               body: JSON.stringify({
-                model: 'claude-sonnet-4-6',
+                model: 'claude-sonnet-4-20250514',
                 max_tokens: 500,
                 messages: [{
                   role: 'user',
@@ -101,7 +101,8 @@ jobs:
             });
 
             if (!response.ok) {
-              console.log(`API error: ${response.status}`);
+              const errBody = await response.text();
+              console.log(`API error: ${response.status} - ${errBody}`);
               return;
             }