fix(telemetry): implement bounded structural truncation and decouple traces

packages/cli/src/config/settingsSchema.ts

@@ -2966,6 +2966,11 @@ export const SETTINGS_SCHEMA_DEFINITIONS: Record<
         description: 'Protocol for OTLP exporters.',
         enum: ['grpc', 'http'],
       },
+      traces: {
+        type: 'boolean',
+        description:
+          'Whether detailed traces with large attributes are captured.',
+      },
       logPrompts: {
         type: 'boolean',
         description: 'Whether prompts are logged in telemetry payloads.',

packages/cli/src/gemini_cleanup.test.tsx

@@ -241,6 +241,7 @@ describe('gemini.tsx main function cleanup', () => {
       getCoreTools: vi.fn(() => []),
       getTelemetryEnabled: vi.fn(() => false),
       getTelemetryLogPromptsEnabled: vi.fn(() => false),
+      getTelemetryTracesEnabled: () => false,
       getFileFilteringRespectGitIgnore: vi.fn(() => true),
       getOutputFormat: vi.fn(() => 'text'),
       getUsageStatisticsEnabled: vi.fn(() => false),
@@ -325,6 +326,7 @@ describe('gemini.tsx main function cleanup', () => {
       getCoreTools: vi.fn(() => []),
       getTelemetryEnabled: vi.fn(() => false),
       getTelemetryLogPromptsEnabled: vi.fn(() => false),
+      getTelemetryTracesEnabled: () => false,
       getFileFilteringRespectGitIgnore: vi.fn(() => true),
       getOutputFormat: vi.fn(() => 'text'),
       getUsageStatisticsEnabled: vi.fn(() => false),

packages/cli/src/test-utils/mockConfig.ts

@@ -87,6 +87,7 @@ export const createMockConfig = (overrides: Partial<Config> = {}): Config =>
     getAccessibility: vi.fn().mockReturnValue({}),
     getTelemetryEnabled: vi.fn().mockReturnValue(false),
     getTelemetryLogPromptsEnabled: vi.fn().mockReturnValue(false),
+    getTelemetryTracesEnabled: vi.fn().mockReturnValue(false),
     getTelemetryOtlpEndpoint: vi.fn().mockReturnValue(''),
     getTelemetryOtlpProtocol: vi.fn().mockReturnValue('grpc'),
     getTelemetryTarget: vi.fn().mockReturnValue(''),

packages/cli/src/ui/hooks/useGeminiStream.test.tsx

@@ -308,6 +308,8 @@ describe('useGeminiStream', () => {
     sandbox: false,
     targetDir: '/test/dir',
     debugMode: false,
+    getTelemetryLogPromptsEnabled: vi.fn().mockReturnValue(false),
+    getTelemetryTracesEnabled: vi.fn().mockReturnValue(false),
     question: undefined,
     coreTools: [],
     toolDiscoveryCommand: undefined,

packages/cli/src/ui/hooks/useGeminiStream.ts

@@ -1559,6 +1559,8 @@ export const useGeminiStream = (
           operation: options?.isContinuation
             ? GeminiCliOperation.SystemPrompt
             : GeminiCliOperation.UserPrompt,
+          logPrompts: config.getTelemetryLogPromptsEnabled(),
+          tracesEnabled: config.getTelemetryTracesEnabled(),
           sessionId: config.getSessionId(),
         },
         async ({ metadata: spanMetadata }) => {