feat(mistral): Drop fim (text_completion) from initial scope

Exclude the fim endpoints for now — `text_completion` is not yet used by
any other AI integration, so defer it to a follow-up. Remaining scope:
chat, embeddings, and agents.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: nicohrubec

dev-packages/node-integration-tests/suites/tracing/mistral/scenario-fim.mjs

@@ -196,32 +196,4 @@ describe('Mistral integration', () => {
         .completed();
     });
   });
-
-  createEsmAndCjsTests(__dirname, 'scenario-fim.mjs', 'instrument.mjs', (createRunner, test) => {
-    test('creates fim text_completion spans', async () => {
-      await createRunner()
-        .expect({
-          span: container => {
-            const fimSpan = container.items.find(s => s.attributes[GEN_AI_RESPONSE_ID]?.value === 'fimcmpl-mock123');
-            expect(fimSpan).toBeDefined();
-            expect(fimSpan!.name).toBe('text_completion codestral-latest');
-            expect(fimSpan!.status).toBe('ok');
-            expect(fimSpan!.attributes[GEN_AI_OPERATION_NAME]?.value).toBe('text_completion');
-            expect(fimSpan!.attributes[SEMANTIC_ATTRIBUTE_SENTRY_OP]?.value).toBe('gen_ai.text_completion');
-            expect(fimSpan!.attributes[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]?.value).toBe(ORIGIN);
-            expect(fimSpan!.attributes[GEN_AI_PROVIDER_NAME]?.value).toBe(PROVIDER);
-            expect(fimSpan!.attributes[GEN_AI_REQUEST_MODEL]?.value).toBe('codestral-latest');
-            expect(fimSpan!.attributes[GEN_AI_USAGE_TOTAL_TOKENS]?.value).toBe(15);
-
-            const fimStreamSpan = container.items.find(
-              s => s.attributes[GEN_AI_RESPONSE_ID]?.value === 'fimcmpl-stream-123',
-            );
-            expect(fimStreamSpan).toBeDefined();
-            expect(fimStreamSpan!.attributes[GEN_AI_RESPONSE_STREAMING]?.value).toBe(true);
-          },
-        })
-        .start()
-        .completed();
-    });
-  });
 });

dev-packages/node-integration-tests/suites/tracing/mistral/test.ts

@@ -10,6 +10,4 @@ export const MISTRAL_METHOD_REGISTRY = {
   'embeddings.create': { operation: 'embeddings' },
   'agents.complete': { operation: 'invoke_agent' },
   'agents.stream': { operation: 'invoke_agent', streaming: true },
-  'fim.complete': { operation: 'text_completion' },
-  'fim.stream': { operation: 'text_completion', streaming: true },
 } as const satisfies InstrumentedMethodRegistry;

packages/server-utils/src/ai/mistral/constants.ts

@@ -65,14 +65,6 @@ export function addRequestAttributes(span: Span, params: Record<string, unknown>
     return;
   }
 
-  // FIM completions carry a raw `prompt` string rather than a messages array.
-  if (operationName === 'text_completion') {
-    if (typeof params.prompt === 'string' && params.prompt.length > 0) {
-      span.setAttribute(GEN_AI_INPUT_MESSAGES, stringify(params.prompt));
-    }
-    return;
-  }
-
   const src = 'messages' in params ? params.messages : undefined;
   if (!src || (Array.isArray(src) && src.length === 0)) {
     return;

packages/server-utils/src/ai/mistral/index.ts

@@ -27,7 +27,6 @@ const INSTRUMENTED_CHANNELS = [
   { channel: CHANNELS.MISTRAL_CHAT, operation: 'chat' },
   { channel: CHANNELS.MISTRAL_EMBEDDINGS, operation: 'embeddings' },
   { channel: CHANNELS.MISTRAL_AGENTS, operation: 'invoke_agent' },
-  { channel: CHANNELS.MISTRAL_FIM, operation: 'text_completion' },
 ] as const;
 
 /**
@@ -129,7 +128,7 @@ function wrapStreamResult(span: Span, data: MistralChannelContext, options: Mist
 
 /**
  * Diagnostics-channel-based Mistral integration. Subscribes to the `orchestrion:@mistralai/mistralai:*`
- * diagnostics_channels injected into the SDK's chat, embeddings, agents and fim methods, so it requires
+ * diagnostics_channels injected into the SDK's chat, embeddings and agents methods, so it requires
  * the Sentry runtime hook or bundler plugin.
  */
 export const mistralAIIntegration = defineIntegration(_mistralAIIntegration);

packages/server-utils/src/integrations/mistral.ts

@@ -33,16 +33,6 @@ export const mistralConfig = [
     module: { ...MODULE, filePath: 'esm/sdk/agents.js' },
     functionQuery: { className: 'Agents', methodName: 'stream', kind: 'Auto' as const },
   },
-  {
-    channelName: 'fim',
-    module: { ...MODULE, filePath: 'esm/sdk/fim.js' },
-    functionQuery: { className: 'Fim', methodName: 'complete', kind: 'Auto' as const },
-  },
-  {
-    channelName: 'fim',
-    module: { ...MODULE, filePath: 'esm/sdk/fim.js' },
-    functionQuery: { className: 'Fim', methodName: 'stream', kind: 'Auto' as const },
-  },
 ] satisfies InstrumentationConfig[];
 
 export const mistralModuleNames = getModuleNames(mistralConfig);
@@ -51,5 +41,4 @@ export const mistralChannels = {
   MISTRAL_CHAT: 'orchestrion:@mistralai/mistralai:chat',
   MISTRAL_EMBEDDINGS: 'orchestrion:@mistralai/mistralai:embeddings',
   MISTRAL_AGENTS: 'orchestrion:@mistralai/mistralai:agents',
-  MISTRAL_FIM: 'orchestrion:@mistralai/mistralai:fim',
 } as const;