Distillation

Date: Sep 16, 2026

• 🟡 (18:23) packages/gateway/src/pipeline.ts reference handling included private identity sets syntheticIdentities, referenceIdentities, and outputIdentities; per-ResponsesAccState indexed maps outputIdentityIndices and referenceIdentityIndices; test instrumentation _onIdentityIndexOperationForTest; and ResponsesReferenceError/failReference() setting referenceFailureDetected.
• 🟡 (18:26) packages/gateway/src/pipeline.ts continuation-index logic used shiftedOutputIndex() to reject unsafe or negative indices with "Responses output_index overflow", shiftedReferenceIndex() to fail references outside 0 <= index < maxSparseIndex with "Responses item_reference output_index overflow", and highestOutputIndex() to scan both acc.rawItems.keys() and acc.items.keys().
• 🟡 (18:26) preflightReferenceContinuationOffset() in packages/gateway/src/pipeline.ts calculated the next offset before continuation work and failed with "Responses item_reference continuation overflow" when references would exceed maxSparseIndex.
• 🟡 (18:27-18:28) Both intended files were updated: packages/gateway/src/pipeline.ts and packages/gateway/test/openai-responses-recall-aware-stream.test.ts; the recall-aware test count increased to 220.
• 🟡 (18:29) Focused execution passed 2 selected tests with 218 skipped out of 220 in 5.53s.
• 🟡 (18:30-18:32) After another packages/gateway/src/pipeline.ts update, 2 focused preflight tests failed: 1. "preflights a reference-driven continuation offset before recall side effects" returned PUBLIC_RECALL_ERROR ("Lore could not continue the response after recall") instead of PUBLIC_GATEWAY_ERROR ("Gateway request failed"), despite expecting output: [], no leaked private identity, and zero recall/follow-up/transaction effects; logs classified it as follow_up_setup. 2. "preflights safe-integer continuation overflow when private references are present" retained visible reasoning item { id: "rs_safe_integer_visible", summary: [], type: "reasoning" } instead of clearing output to []; logs classified it as principal_protocol.
• 🟡 (18:33-18:35) packages/gateway/src/pipeline.ts was updated to address both preflight failures; the complete recall-aware suite then passed all 220 tests in 8.92s.
• 🟡 (18:37-18:40) Validation succeeded: gateway tsc --noEmit passed, formatting passed for 2 files in 134ms using 4 threads, and 5 adjacent Responses test files passed all 253 tests in 21.09s.
• 🟡 (18:41) Working copy wywumkpt at revision 00ab114e on fix/responses-private-references-v2 had only packages/gateway/src/pipeline.ts and packages/gateway/test/openai-responses-recall-aware-stream.test.ts modified over parent pxrvwsvv / 2cbf4006 (main, feat(cch): add seeds for Claude Code up to 2.1.272 (#1780)); unrelated bookmark fix/responses-private-references remained conflicted.
• 🟡 (18:41) Search found 31 relevant production-code matches, including _onIdentityIndexOperationForTest, ResponsesReferenceError, referenceFailureDetected, maxSparseIndex, assertTerminalOutputMatches, consumeReferenceEvent, shiftedReferenceIndex, and preflightReferenceContinuationOffset; reference-failure sanitization appeared near lines 11779, 11835, and 11857 of packages/gateway/src/pipeline.ts.
• 🟡 (18:42) Search identified 12 focused tests in packages/gateway/test/openai-responses-recall-aware-stream.test.ts, in order: 1. "privately accumulates a done-only sparse Codex item_reference", 2. "keeps done-only continuation references private", 3. "fails closed when a terminal item_reference replaces a completed visible $kind", 4. "fails closed when a continuation terminal references visible output", 5. "fails closed when a continuation terminal changes a private reference type", 6. "allows terminal reference shorthand only for a completed private recall", 7. "does not classify a later-resolved sparse ordinary tool as private beside a reference", 8. "bounds reference indices before recall and continuation side effects", 9. "preflights a reference-driven continuation offset before recall side effects", 10. "preflights safe-integer continuation overflow when private references are present", 11. "counts private references against retained-state limits before suppression", 12. "indexes high-cardinality reference matching with linear operations".
• 🟡 (18:43) Revalidation succeeded: all 220 recall-aware tests passed, all 253 tests across 5 adjacent Responses files passed, gateway tsc --noEmit passed, and formatting passed for 2 files in 161ms using 4 threads.
• 🟡 (18:46-18:49) packages/gateway/test/openai-responses-recall-aware-stream.test.ts was updated twice, increasing its total to 221 tests; one focused run passed 2 tests with 219 skipped, and a subsequent run passed 1 test with 220 skipped.
• 🟡 (18:50) After updating packages/gateway/src/pipeline.ts, focused test "rejects a continuation reference shift before transaction side effects" failed because the emitted failed response had response.output === undefined instead of required []; the contract also required PUBLIC_GATEWAY_ERROR and no private-identity leakage.
• 🟡 (18:51-18:52) packages/gateway/src/pipeline.ts was updated twice after the continuation-reference-shift sanitization failure.
• 🟡 (18:55) Final test runs passed all 221 recall-aware tests and all 253 tests across 5 adjacent Responses files; the combined command’s gateway typecheck was terminated by the 120,000ms shell timeout with SIGTERM, rather than reporting a TypeScript diagnostic.
• 🟡 (18:56) Retried gateway tsc --noEmit completed successfully; formatting also passed for the 2 modified files in 225ms using 4 threads.
• 🟡 (18:57) Final working-copy revision was wywumkpt / 71f18a46 on fix/responses-private-references-v2, still with only packages/gateway/src/pipeline.ts and packages/gateway/test/openai-responses-recall-aware-stream.test.ts modified over parent 2cbf4006; the unrelated fix/responses-private-references bookmark conflict remained untouched.
• 🟡 (18:58) Existing regression coverage confirmed relevant tests for: no-recall live forwarding, immediate client cancellation after a no-recall terminal, request-wide byte and frame accounting for failed continuations, frame caps across principal and chained continuations, upstream backpressure, and raw-byte caps across a continuation.
• 🟡 (18:58) Assistant reported the implementation changes in packages/gateway/src/pipeline.ts: 1. privately accumulate added+done and done-only Codex references; 2. validate terminal shorthand against one completed private item; 3. reject visible-item replacement and type/identity mismatches; 4. preflight sparse and continuation index overflow; 5. emit fixed "Gateway request failed" failures with output: []; 6. replace quadratic identity scans with indexed maps.
• 🟡 (18:58) Assistant reported test coverage added to packages/gateway/test/openai-responses-recall-aware-stream.test.ts for principal, continuation, sparse, recall, overflow, sanitization, retained-state, and deterministic high-cardinality cases.
• 🟡 (18:58) Assistant reported fail-first evidence: the new focused matrix produced exactly 10 failures against unchanged production code.
• 🟡 (18:58) Assistant reported guard-removal mutation evidence independently covered lifecycle recognition, private matching, sparse/shift bounds, sanitization, accumulation, retained-state counting, sparse-tool resolution, and indexed lookup; the scan mutant recorded 768 operations versus the required linear 1,280.
• 🟡 (18:58) Assistant reported final evidence: 221 recall-aware tests passed; 253 adjacent Responses tests passed across 5 files; gateway typecheck and formatting passed; existing frame, byte, cancellation, backpressure, and no-reference passthrough tests passed.
• 🟡 (18:58) Assistant stated no commit, push, rebase, bookmark change, server access, or production DB access was performed; final jj status showed only the two intended files, and the unrelated existing bookmark conflict was left untouched.
• 🟡 (18:58) Assistant stated the full monorepo suite was not run. The required repo-setup skill was unavailable, so repository guidance was taken directly from AGENTS.md, quality/REVIEW.md, and package scripts.