fix voice debug-log privacy and docs drift

omit tool arguments unless content logging is enabled
correct the remaining current tool-count references

src/tooling/localServices.test.mjs

@@ -399,37 +399,184 @@ test('OpenAI routes answer generically when the upstream or the request fails',
   assert.equal(token.body.includes('fixture-upstream-secret'), false);
 });
 
-test('the debug-log sink omits what people said unless content logging is enabled', async (t) => {
-  const record = {
-    event: 'server.event',
-    payload: {
-      type: 'conversation.item.input_audio_transcription.completed',
-      transcript: 'my home address is 12 Elm Street',
-      usage: { input_tokens: 40 },
-      nested: [{ type: 'input_text', text: 'call my sister' }],
-    },
-    span: { answer_text: 'Flying to Tokyo.', answer_words: 3 },
+test('the debug-log sink omits what people said and tool arguments unless content logging is enabled', async (t) => {
+  const nestObject = (value, levels) => {
+    let nested = value;
+    for (let index = 0; index < levels; index += 1) nested = { nested };
+    return nested;
   };
+  const nestArray = (value, levels) => {
+    let nested = value;
+    for (let index = 0; index < levels; index += 1) nested = [nested];
+    return nested;
+  };
+  const records = [
+    {
+      timestamp: '2026-10-05T00:00:00.000Z',
+      sessionId: 'gev-session-1',
+      event: 'tool.call',
+      status: 'active',
+      payload: {
+        name: 'analyst_query',
+        callId: 'call-1',
+        arguments: { location: '12 Elm Street', note: 'meet Alice there' },
+      },
+    },
+    {
+      timestamp: '2026-10-05T00:00:01.000Z',
+      sessionId: 'gev-session-1',
+      event: 'server.event',
+      status: 'active',
+      payload: {
+        type: 'response.function_call_arguments.done',
+        eventId: 'event-1',
+        responseId: 'response-1',
+        payload: {
+          type: 'response.function_call_arguments.done',
+          event_id: 'event-1',
+          response_id: 'response-1',
+          item_id: 'item-1',
+          output_index: 0,
+          call_id: 'call-1',
+          name: 'analyst_query',
+          arguments: '{"query":"Tokyo Station"}',
+        },
+      },
+    },
+    {
+      event: 'server.event',
+      status: 'active',
+      payload: {
+        type: 'response.audio_transcript.done',
+        transcript: 'my home address is 12 Elm Street',
+        text: 'call my sister',
+        delta: 'Flying to Tokyo.',
+        usage: { input_tokens: 40 },
+      },
+    },
+    {
+      event: 'voice.cost',
+      status: 'active',
+      payload: { delta: 17, total: 41 },
+    },
+    {
+      event: 'tool.call',
+      status: 'active',
+      payload: { name: 'adjust_camera_zoom', callId: 'call-2', arguments: 2 },
+    },
+    {
+      event: 'deep.object',
+      status: 'active',
+      payload: nestObject(
+        {
+          transcript: 'deep-object-transcript-secret',
+          arguments: { query: 'deep-object-argument-secret' },
+        },
+        14,
+      ),
+    },
+    {
+      event: 'deep.array',
+      status: 'active',
+      payload: nestArray(
+        {
+          transcript: 'deep-array-transcript-secret',
+          arguments: { query: 'deep-array-argument-secret' },
+        },
+        14,
+      ),
+    },
+  ];
   for (const includeContent of [false, true]) {
     const sourceRoot = root(t);
     const handler = createDebugLogHandler({ sourceRoot, includeContent });
-    const response = await request(handler, {
-      method: 'POST',
-      body: JSON.stringify(record),
-    });
-    assert.equal(response.status, 204);
+    for (const record of records) {
+      const response = await request(handler, {
+        method: 'POST',
+        body: JSON.stringify(record),
+      });
+      assert.equal(response.status, 204);
+    }
     const logged = readFileSync(
       path.join(sourceRoot, '.gev-logs/realtime-conversations.jsonl'),
       'utf8',
     );
     assert.equal(logged.includes('Elm Street'), includeContent);
     assert.equal(logged.includes('call my sister'), includeContent);
+    assert.equal(logged.includes('meet Alice there'), includeContent);
+    assert.equal(logged.includes('Tokyo Station'), includeContent);
     assert.equal(logged.includes('Flying to Tokyo'), includeContent);
-    const parsed = JSON.parse(logged);
-    assert.equal(parsed.payload.usage.input_tokens, 40, 'numbers stay');
-    assert.equal(parsed.span.answer_words, 3);
-    if (!includeContent)
-      assert.equal(parsed.payload.transcript, '[omitted 32 chars]');
+    assert.equal(
+      logged.includes('deep-object-transcript-secret'),
+      includeContent,
+    );
+    assert.equal(
+      logged.includes('deep-object-argument-secret'),
+      includeContent,
+    );
+    assert.equal(
+      logged.includes('deep-array-transcript-secret'),
+      includeContent,
+    );
+    assert.equal(logged.includes('deep-array-argument-secret'), includeContent);
+    const [
+      toolCall,
+      serverEvent,
+      transcriptEvent,
+      numericDelta,
+      numericArguments,
+      deepObject,
+      deepArray,
+    ] = logged
+      .split('\n')
+      .filter(Boolean)
+      .map((line) => JSON.parse(line));
+    assert.equal(toolCall.timestamp, records[0].timestamp);
+    assert.equal(toolCall.sessionId, 'gev-session-1');
+    assert.equal(toolCall.event, 'tool.call');
+    assert.equal(toolCall.status, 'active');
+    assert.equal(toolCall.payload.name, 'analyst_query');
+    assert.equal(toolCall.payload.callId, 'call-1');
+    assert.equal(serverEvent.payload.eventId, 'event-1');
+    assert.equal(serverEvent.payload.responseId, 'response-1');
+    assert.equal(serverEvent.payload.payload.event_id, 'event-1');
+    assert.equal(serverEvent.payload.payload.response_id, 'response-1');
+    assert.equal(serverEvent.payload.payload.item_id, 'item-1');
+    assert.equal(serverEvent.payload.payload.output_index, 0);
+    assert.equal(serverEvent.payload.payload.call_id, 'call-1');
+    assert.equal(serverEvent.payload.payload.name, 'analyst_query');
+    assert.equal(transcriptEvent.payload.usage.input_tokens, 40);
+    assert.equal(numericDelta.payload.delta, 17);
+    assert.equal(numericDelta.payload.total, 41);
+    if (!includeContent) {
+      assert.equal(toolCall.payload.arguments, '[omitted]');
+      assert.match(
+        serverEvent.payload.payload.arguments,
+        /^\[omitted \d+ chars\]$/,
+      );
+      assert.equal(transcriptEvent.payload.transcript, '[omitted 32 chars]');
+      assert.equal(transcriptEvent.payload.text, '[omitted 14 chars]');
+      assert.equal(transcriptEvent.payload.delta, '[omitted 16 chars]');
+      assert.equal(numericArguments.payload.arguments, '[omitted]');
+      assert.equal(
+        JSON.stringify(deepObject.payload).includes('[omitted: max depth]'),
+        true,
+      );
+      assert.equal(
+        JSON.stringify(deepArray.payload).includes('[omitted: max depth]'),
+        true,
+      );
+    } else {
+      assert.deepEqual(
+        toolCall.payload.arguments,
+        records[0].payload.arguments,
+      );
+      assert.equal(
+        serverEvent.payload.payload.arguments,
+        records[1].payload.payload.arguments,
+      );
+      assert.equal(numericArguments.payload.arguments, 2);
+    }
   }
 });