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fix(server): Codex forks no longer request full turn history #24537

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Merged
juliusmarminge merged 4 commits into from
Nov 11, 2026
+10 −4
Merged

fix(server): Codex forks no longer request full turn history #24537

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184fa0f
test(server): reproduce Codex fork requesting full turn history (#24460)
juliusmarminge Oct 24, 2026
325c7af
fix(server): Codex fork no longer requests full turn history (#24460)
juliusmarminge Oct 24, 2026
df41a37
test(server): Codex fork replay fixtures expect excludeTurns (#24460)
juliusmarminge Oct 24, 2026
aad68ea
Merge origin/main into fix/issue-24460
juliusmarminge Nov 11, 2026
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7 changes: 6 additions & 1 deletion apps/server/src/orchestration-v2/Adapters/CodexAdapterV2.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8552,7 +8552,11 @@ describe("CodexAdapterV2 post-settle continuation", () => {
frame: {
id: 3,
method: "thread/fork",
params: { threadId: nativeThreadId, config: CodexAdapterV2.CODEX_THREAD_CONFIG },
params: {
threadId: nativeThreadId,
excludeTurns: true,
config: CodexAdapterV2.CODEX_THREAD_CONFIG,
},
},
},
{
Expand Down Expand Up @@ -8690,6 +8694,7 @@ describe("CodexAdapterV2 post-settle continuation", () => {
const forkParams = {
threadId: nativeThreadId,
lastTurnId: "native-turn-first",
excludeTurns: true,
config: CodexAdapterV2.CODEX_THREAD_CONFIG,
};
const exchange = (
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1 change: 1 addition & 0 deletions apps/server/src/orchestration-v2/Adapters/CodexAdapterV2.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8141,6 +8141,7 @@ export const makeCodexAdapterV2 = Effect.fn("makeCodexAdapterV2")(function* (
const boundary = yield* resolveCodexForkBoundary(threadInput);
const fork = client.request("thread/fork", {
threadId,
excludeTurns: true,
...(boundary.lastTurnId === undefined ? {} : { lastTurnId: boundary.lastTurnId }),
...codexThreadRuntimeParams({
threadId: threadInput.targetThreadId,
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2 changes: 1 addition & 1 deletion ...c/orchestration-v2/testkit/fixtures/thread_fork_native_prior_turn/codex_transcript.ndjson
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@
{"type":"emit_inbound","label":"account/rateLimits/updated","frame":{"method":"account/rateLimits/updated","params":{"rateLimits":{"limitId":"codex","limitName":null,"primary":{"usedPercent":61,"windowDurationMins":300,"resetsAt":1777429830},"secondary":{"usedPercent":23,"windowDurationMins":10080,"resetsAt":1777959590},"credits":null,"planType":"unknown","rateLimitReachedType":null}}}}
{"type":"emit_inbound","label":"thread/status/changed","frame":{"method":"thread/status/changed","params":{"threadId":"019dd6ba-2681-7bf0-b051-141b0cbcbb27","status":{"type":"idle"}}}}
{"type":"emit_inbound","label":"turn/completed","frame":{"method":"turn/completed","params":{"threadId":"019dd6ba-2681-7bf0-b051-141b0cbcbb27","turn":{"id":"019dd6ba-416d-7902-95cf-d4179c3f4738","items":[],"status":"completed","error":null,"startedAt":1777424023,"completedAt":1777424025,"durationMs":1596}}}}
{"type":"expect_outbound","label":"thread/fork","frame":{"id":5,"method":"thread/fork","params":{"threadId":"019dd6ba-2681-7bf0-b051-141b0cbcbb27","lastTurnId":"019dd6ba-268b-7f82-8f4c-9fde0edcfd55","config":{"tools.update_plan.enabled":true,"mcp_optional_startup_grace_ms":10000,"features.concurrent_reasoning_summaries":true}}}}
{"type":"expect_outbound","label":"thread/fork","frame":{"id":5,"method":"thread/fork","params":{"threadId":"019dd6ba-2681-7bf0-b051-141b0cbcbb27","excludeTurns":true,"lastTurnId":"019dd6ba-268b-7f82-8f4c-9fde0edcfd55","config":{"tools.update_plan.enabled":true,"mcp_optional_startup_grace_ms":10000,"features.concurrent_reasoning_summaries":true}}}}
{"type":"emit_inbound","label":"deprecationNotice","frame":{"method":"deprecationNotice","params":{"summary":"`[features].collab` is deprecated. Use `[features].multi_agent` instead.","details":"Enable it with `--enable multi_agent` or `[features].multi_agent` in config.toml. See https://developers.openai.com/codex/config-basic#feature-flags for details."}}}
{"type":"emit_inbound","label":"warning","frame":{"method":"warning","params":{"threadId":"019dd6ba-47b7-7092-8688-9cf7fe5f6498","message":"Under-development features enabled: apply_patch_freeform. Under-development features are incomplete and may behave unpredictably. To suppress this warning, set `suppress_unstable_features_warning = true` in /home/replay-user/.codex/config.toml."}}}
{"type":"emit_inbound","label":"mcpServer/startupStatus/updated","frame":{"method":"mcpServer/startupStatus/updated","params":{"name":"uidotsh","status":"starting","error":null}}}
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4 changes: 2 additions & 2 deletions .../src/orchestration-v2/testkit/fixtures/thread_merge_back_siblings/codex_transcript.ndjson
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@
{"type":"emit_inbound","label":"thread/tokenUsage/updated","frame":{"method":"thread/tokenUsage/updated","params":{"threadId":"01a0d610-155f-7391-843e-120bf1475357","turnId":"01a0d610-1619-7d91-bae2-ec4a7b899193","tokenUsage":{"total":{"totalTokens":17752,"inputTokens":17744,"cachedInputTokens":14848,"cacheWriteInputTokens":0,"outputTokens":8,"reasoningOutputTokens":0},"last":{"totalTokens":17752,"inputTokens":17744,"cachedInputTokens":14848,"cacheWriteInputTokens":0,"outputTokens":8,"reasoningOutputTokens":0},"modelContextWindow":258400}},"emittedAtMs":1790297778003}}
{"type":"emit_inbound","label":"thread/status/changed","frame":{"method":"thread/status/changed","params":{"threadId":"01a0d610-155f-7391-843e-120bf1475357","status":{"type":"idle"}},"emittedAtMs":1790297778011}}
{"type":"emit_inbound","label":"turn/completed","frame":{"method":"turn/completed","params":{"threadId":"01a0d610-155f-7391-843e-120bf1475357","turn":{"id":"01a0d610-1619-7d91-bae2-ec4a7b899193","items":[{"type":"agentMessage","id":"msg_0c4d0b070a58ed52016ab5c6b1b0fc87d0a540ea4be4112eb0","text":"merge sibling source stored","phase":"final_answer","memoryCitation":null,"delivery":null,"questions":null}],"itemsView":"summary","status":"completed","error":null,"startedAt":1790297773,"completedAt":1790297778,"durationMs":4400}},"emittedAtMs":1790297778011}}
{"type":"expect_outbound","label":"thread/fork","frame":{"id":4,"method":"thread/fork","params":{"config":{"tools.update_plan.enabled":true,"mcp_optional_startup_grace_ms":10000,"features.concurrent_reasoning_summaries":true},"cwd":"<workspace>","lastTurnId":"01a0d610-1619-7d91-bae2-ec4a7b899193","model":"gpt-6-sol","threadId":"01a0d610-155f-7391-843e-120bf1475357"}}}
{"type":"expect_outbound","label":"thread/fork","frame":{"id":4,"method":"thread/fork","params":{"config":{"tools.update_plan.enabled":true,"mcp_optional_startup_grace_ms":10000,"features.concurrent_reasoning_summaries":true},"cwd":"<workspace>","excludeTurns":true,"lastTurnId":"01a0d610-1619-7d91-bae2-ec4a7b899193","model":"gpt-6-sol","threadId":"01a0d610-155f-7391-843e-120bf1475357"}}}
{"type":"emit_inbound","label":"deprecationNotice","frame":{"method":"deprecationNotice","params":{"summary":"Full-history hydration is deprecated for paginated threads; use `excludeTurns: true`, then page with `thread/turns/list` and `thread/items/list`.","details":null},"emittedAtMs":1790297778016}}
{"type":"emit_inbound","label":"mcpServer/startupStatus/updated","frame":{"method":"mcpServer/startupStatus/updated","params":{"threadId":"01a0d610-155f-7391-843e-120bf1475357","name":"xcodebuildmcp","status":"ready","error":null,"failureReason":null},"emittedAtMs":1790297778263}}
{"type":"emit_inbound","label":"mcpServer/startupStatus/updated","frame":{"method":"mcpServer/startupStatus/updated","params":{"threadId":"01a0d610-2789-7bb3-a492-ad7fa8a7db9c","name":"codex_apps","status":"starting","error":null,"failureReason":null},"emittedAtMs":1790297778313}}
Expand All @@ -52,7 +52,7 @@
{"type":"emit_inbound","label":"thread/tokenUsage/updated","frame":{"method":"thread/tokenUsage/updated","params":{"threadId":"01a0d610-2789-7bb3-a492-ad7fa8a7db9c","turnId":"01a0d610-28ad-7071-82a1-f55ea8178ae8","tokenUsage":{"total":{"totalTokens":39723,"inputTokens":39707,"cachedInputTokens":26624,"cacheWriteInputTokens":0,"outputTokens":16,"reasoningOutputTokens":0},"last":{"totalTokens":21971,"inputTokens":21963,"cachedInputTokens":11776,"cacheWriteInputTokens":0,"outputTokens":8,"reasoningOutputTokens":0},"modelContextWindow":258400}},"emittedAtMs":1790297782125}}
{"type":"emit_inbound","label":"thread/status/changed","frame":{"method":"thread/status/changed","params":{"threadId":"01a0d610-2789-7bb3-a492-ad7fa8a7db9c","status":{"type":"idle"}},"emittedAtMs":1790297782161}}
{"type":"emit_inbound","label":"turn/completed","frame":{"method":"turn/completed","params":{"threadId":"01a0d610-2789-7bb3-a492-ad7fa8a7db9c","turn":{"id":"01a0d610-28ad-7071-82a1-f55ea8178ae8","items":[{"type":"agentMessage","id":"msg_0c4d0b070a58ed52016ab5c6b5b44c87d08e7e5612c5312499","text":"first merge sibling stored","phase":"final_answer","memoryCitation":null,"delivery":null,"questions":null}],"itemsView":"summary","status":"completed","error":null,"startedAt":1790297778,"completedAt":1790297782,"durationMs":3783}},"emittedAtMs":1790297782161}}
{"type":"expect_outbound","label":"thread/fork","frame":{"id":6,"method":"thread/fork","params":{"config":{"tools.update_plan.enabled":true,"mcp_optional_startup_grace_ms":10000,"features.concurrent_reasoning_summaries":true},"cwd":"<workspace>","lastTurnId":"01a0d610-1619-7d91-bae2-ec4a7b899193","model":"gpt-6-sol","threadId":"01a0d610-155f-7391-843e-120bf1475357"}}}
{"type":"expect_outbound","label":"thread/fork","frame":{"id":6,"method":"thread/fork","params":{"config":{"tools.update_plan.enabled":true,"mcp_optional_startup_grace_ms":10000,"features.concurrent_reasoning_summaries":true},"cwd":"<workspace>","excludeTurns":true,"lastTurnId":"01a0d610-1619-7d91-bae2-ec4a7b899193","model":"gpt-6-sol","threadId":"01a0d610-155f-7391-843e-120bf1475357"}}}
{"type":"emit_inbound","label":"deprecationNotice","frame":{"method":"deprecationNotice","params":{"summary":"Full-history hydration is deprecated for paginated threads; use `excludeTurns: true`, then page with `thread/turns/list` and `thread/items/list`.","details":null},"emittedAtMs":1790297782170}}
{"type":"emit_inbound","label":"mcpServer/startupStatus/updated","frame":{"method":"mcpServer/startupStatus/updated","params":{"threadId":"01a0d610-37d1-7ba1-918f-136cfdbd9bfd","name":"xcodebuildmcp","status":"starting","error":null,"failureReason":null},"emittedAtMs":1790297782559}}
{"type":"emit_inbound","label":"mcpServer/startupStatus/updated","frame":{"method":"mcpServer/startupStatus/updated","params":{"threadId":"01a0d610-37d1-7ba1-918f-136cfdbd9bfd","name":"codex_apps","status":"starting","error":null,"failureReason":null},"emittedAtMs":1790297782559}}
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