fix(sdk): used wrong completion attribute in manual instrumentations (#277)

Author: nirga

packages/traceloop-sdk/src/lib/tracing/manual.ts

@@ -126,9 +126,9 @@ export class LLMSpan {
       this.span.setAttributes({
         [`${SpanAttributes.LLM_COMPLETIONS}.${index}.finish_reason`]:
           completion.finish_reason,
-        [`${SpanAttributes.LLM_COMPLETIONS}.${index}.message.role`]:
+        [`${SpanAttributes.LLM_COMPLETIONS}.${index}.role`]:
           completion.message.role,
-        [`${SpanAttributes.LLM_COMPLETIONS}.${index}.message.content`]:
+        [`${SpanAttributes.LLM_COMPLETIONS}.${index}.content`]:
           completion.message.content || "",
       });
     });

packages/traceloop-sdk/test/decorators.test.ts

@@ -435,6 +435,10 @@ describe("Test SDK Decorators", () => {
       completionSpan.attributes[`${SpanAttributes.LLM_PROMPTS}.0.content`],
       "Tell me a joke about OpenTelemetry",
     );
+    assert.strictEqual(
+      completionSpan.attributes[`${SpanAttributes.LLM_COMPLETIONS}.0.content`],
+      result.choices[0].message.content,
+    );
     assert.ok(
       completionSpan.attributes[`${SpanAttributes.LLM_USAGE_TOTAL_TOKENS}`],
     );