Distillation

Date: Sep 16, 2026

• 🟡 (14:23) Source search found 42 occurrences of response.output_item.added across packages/gateway/src/translate/openai-responses.ts, packages/gateway/src/pipeline.ts, and packages/gateway/src/stream/openai-responses.ts; notable pipeline locations included lines 8363-8388, 9121-9139, 9456, 9741-9743, 10279-10357, and 10966-10992.
• 🟡 (14:24) Repository-wide created_at search found at least 100 matches and was truncated; results spanned gateway tests including worker-copilot-responses.test.ts, foreground-routes-abort.test.ts, data-show-metadata.test.ts, sync.test.ts, sync.property.test.ts, and sync-security.integration.test.ts.
• 🟡 (14:25) Search found exactly 3 calls to assertForwardedProjectionStable() in packages/gateway/src/pipeline.ts, at lines 10390, 10545, and 11531.
• 🔴 (14:25) User established the invariant that recall continuation diagnostics must “never alter the fixed public failure.”
• 🟡 (14:25) Search of packages/gateway/test/openai-responses-recall-aware-stream.test.ts found 24 relevant matches, including private diagnostic producer-path coverage around lines 8146-8177, custom non-semantic event suppression around lines 8300-8352, and test "recall continuation diagnostics never alter the fixed public failure" at line 8549.