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fix(runners): suppress content events for input history - #2520
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Castiron custom code✅ No new custom-code files detected. 32 mixed files remain; 0 existing customizations changed. Compared 32 existing customizations unchanged
A changed generated baseline means this report cannot reliably identify which handwritten lines changed. Inspect the custom-code diffDownload the exact patch produced by this run (requires repository access): gh run download 33290931353 --repo openai/openai-node \
--name castiron-custom-code-33290931353-1 --dir /tmp/castiron-custom-code-33290931353-1
git apply --stat /tmp/castiron-custom-code-33290931353-1/custom-code.patch
cat /tmp/castiron-custom-code-33290931353-1/custom-code.patchOr reproduce it from an SDK checkout containing the vendored reporter: git fetch --no-tags origin eea2292a4a523da9405161dde0a79ac5dc2ecb2a c44a6099dc416bdd175540df8e05674fccbc3056
python3 scripts/castiron/custom_code_report.py report \
--base eea2292a4a523da9405161dde0a79ac5dc2ecb2a \
--head c44a6099dc416bdd175540df8e05674fccbc3056 --fetch --require-head-hash --public \
--out /tmp/castiron-custom-code-c44a6099dc41
cat /tmp/castiron-custom-code-c44a6099dc41/custom-code.patchThis is the current full custom patch for mixed files, not an attribution of only the handwritten lines changed by this PR. |
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Reviewed the exact head. Content events now respect the existing emit flag, so input history is retained without being replayed while newly received assistant content still emits. No blocking findings.
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Sep 3, 2026
## Summary
- Stop adding `content: null` to caller-owned initial chat history.
Assistant input messages may legitimately omit `content` when
`tool_calls` or the legacy `function_call` is present.
- Preserve the original history objects and their serialized fields in
`chat.completions.runTools()` (streaming and non-streaming) and
`chat.completions.stream()`.
- Separate normalization from event suppression with an optional
`normalizeContent` hook parameter that defaults to `true`.
Initial-history insertion explicitly opts out; existing two-argument
hook calls retain their original behavior, including when events are
suppressed. No new state or bypassed subclass hooks is needed.
## Reproduction and regressions
Passing `Object.freeze({ role: 'assistant', tool_calls: [...] })`
followed by its matching tool result currently fails with `Cannot add
property content, object is not extensible` before the first request.
Mutable history is silently changed by inserting a `content: null`
field. The public input type explicitly allows omitted content alongside
tool/function calls.
The 12 public-entrypoint regressions failed on the base revision and
pass with this fix. They cover modern and legacy function-call history,
frozen and mutable messages, actual JSON/SSE responses, serialized
request bodies, caller-object identity, and successful final content. A
separate control preserves normalization of newly emitted replies.
The initial patch coupled normalization to `emit`. Review identified a
protected-hook compatibility regression, reproduced with a subclass that
calls `_addMessage(message, false)`. The final patch separates those
controls. Two additional regressions exercise an existing-style
two-argument override with events enabled and disabled.
## Validation
- Focused history suite: 15 passing tests; all three focused
runner/stream suites: 91 passing tests.
- Complete `CI=true ./scripts/test`: 7,024 handwritten tests and 556
generated tests pass (2 existing generated skips); all 12 generated
snapshots pass.
- `pnpm lint`, `pnpm exec tsc --noEmit` (TypeScript 6), and `pnpm build`
pass.
- TypeScript 4.5.5 and 4.9 compile an emitted-declaration consumer with
a legacy two-argument subclass override and `skipLibCheck: false`;
TypeScript 4.9 also checks distributed source.
- Built CommonJS/ESM checks pass on Node 22.0.0, 24.20.0, and 26.7.0:
100 cases per runtime covering omitted, undefined, null, and empty
content, both call-history shapes, all three entrypoints, immutability,
identity, lifecycle completion, and legacy hook normalization.
## Adversarial self-review and scope
Reviewed and rechecked serialization, caller-object identity,
protected-hook dispatch and defaults, current/legacy history, matching
streaming paths, output normalization, runtime/declaration
compatibility, and regression sensitivity. The compatibility feedback
was reproduced before correction and the full review/validation cycle
repeated. No new parsing, retained state, dependencies, network
destinations, credential handling, or arbitrary limits are introduced.
All three changed paths are handwritten and absent from the pinned
generated snapshot. No generated files, generation metadata, custom-code
budgets, request types, or runtime policy are changed. The added
normalization parameter is optional and defaults to the previous
behavior. This remains independent of openai#2520's separate content-event
replay fix; the replay condition is unchanged here.
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Sep 8, 2026
Automated Release PR --- ## [7.11.0](openai/openai-node@v7.10.0...v7.11.0) (2026-09-08) ### Features * **api:** Add prompt cache diagnostics ([openai#2608](openai#2608)) ([f83de8f](openai@f83de8f)) * **api:** add service-account API key expiration fields ([openai#2618](openai#2618)) ([eecbebe](openai@eecbebe)) * **api:** correct function argument completion event fields (openapi-545) ([openai#2611](openai#2611)) ([31bf7e7](openai@31bf7e7)) * **api:** recognize incomplete web search call status ([openai#2576](openai#2576)) ([c093c44](openai@c093c44)) ### Bug Fixes * **assistants:** retain terminal message snapshots ([openai#2650](openai#2650)) ([414677e](openai@414677e)) * **audio:** only signal started recording processes ([openai#2665](openai#2665)) ([cebdf7c](openai@cebdf7c)) * **audio:** prefer readable inputs over body metadata ([openai#2548](openai#2548)) ([86ff7d5](openai@86ff7d5)) * **audio:** use ALSA card identifiers when recording ([openai#2564](openai#2564)) ([67da19c](openai@67da19c)) * **audio:** wait for input cleanup before reporting success ([openai#2624](openai#2624)) ([5ed87fe](openai@5ed87fe)) * **auth:** account for token exchange elapsed time ([openai#2609](openai#2609)) ([b0f6f20](openai@b0f6f20)) * **auth:** validate Azure metadata access token values ([openai#2523](openai#2523)) ([32b4d35](openai@32b4d35)) * **azure:** carry declared options through withOptions and fix deployment paths ([openai#2514](openai#2514)) ([f8f29fb](openai@f8f29fb)) * **bedrock:** cancel requests awaiting AWS credentials ([openai#2610](openai#2610)) ([97c94e4](openai@97c94e4)) * bound partial number recovery to its token ([openai#2692](openai#2692)) ([0d306ca](openai@0d306ca)) * **build:** fail on reported transpile errors ([openai#2638](openai#2638)) ([833e3e8](openai@833e3e8)) * **build:** fail when a compiler worker is signaled ([openai#2633](openai#2633)) ([cd79cd1](openai@cd79cd1)) * **build:** honor configured compiler worker limits ([openai#2635](openai#2635)) ([aa08b44](openai@aa08b44)) * **build:** narrow Git-install staging detection ([openai#2621](openai#2621)) ([a6170d3](openai@a6170d3)) * **build:** postprocess the selected package manifest ([openai#2620](openai#2620)) ([1850d58](openai@1850d58)) * **build:** preserve CommonJS source-map positions ([openai#2623](openai#2623)) ([df0034d](openai@df0034d)) * **build:** preserve config-relative compiler project paths ([openai#2637](openai#2637)) ([3acb064](openai@3acb064)) * **build:** preserve declaration file import specifiers ([openai#2659](openai#2659)) ([0098c2e](openai@0098c2e)) * **ci:** propagate Node matrix check failures ([openai#2569](openai#2569)) ([bff92c9](openai@bff92c9)) * **ci:** serialize release-please branch updates ([openai#2631](openai#2631)) ([bb0e400](openai@bb0e400)) * clean up failed mock-server startups ([openai#2558](openai#2558)) ([83c92f0](openai@83c92f0)) * **deps:** bump qs to 6.16.0 for security fixes ([openai#2588](openai#2588)) ([4e5c6e3](openai@4e5c6e3)) * **docs:** await headers in Next.js webhook examples ([openai#2595](openai#2595)) ([7e48f05](openai@7e48f05)) * **docs:** correct the chat streaming helper contract ([openai#2596](openai#2596)) ([135ac7e](openai@135ac7e)) * **docs:** include image detail in the Vision example ([openai#2598](openai#2598)) ([e76bb16](openai@e76bb16)) * **docs:** omit absent Bedrock provider session tokens ([openai#2597](openai#2597)) ([41f85bd](openai@41f85bd)) * **ecosystem:** preserve retry delays in parallel workers ([openai#2673](openai#2673)) ([6164745](openai@6164745)) * **ecosystem:** reject invalid retry counts ([openai#2642](openai#2642)) ([d0e2bcf](openai@d0e2bcf)) * **ecosystem:** restore explicit web type-test module markers ([openai#2584](openai#2584)) ([3c189f4](openai@3c189f4)) * **embeddings:** preserve numeric output with body overrides ([openai#2549](openai#2549)) ([97d1ae7](openai@97d1ae7)) * **embeddings:** preserve numeric responses after request hooks ([openai#2590](openai#2590)) ([5202b13](openai@5202b13)) * **embeddings:** reject incomplete float32 vectors ([openai#2615](openai#2615)) ([3940a20](openai@3940a20)) * **embeddings:** validate response collection before decoding ([openai#2686](openai#2686)) ([888811f](openai@888811f)) * **events:** preserve unbound listener receivers ([openai#2644](openai#2644)) ([c8238e7](openai@c8238e7)) * **examples:** annotate Responses WebSocket turn result ([openai#2585](openai#2585)) ([dde19c5](openai@dde19c5)) * **examples:** avoid extra requests for empty tool calls ([openai#2672](openai#2672)) ([be292d3](openai@be292d3)) * **examples:** avoid unhandled WebSocket rejections ([openai#2669](openai#2669)) ([744b0ad](openai@744b0ad)) * **examples:** cancel Edge streams when requests abort ([openai#2530](openai#2530)) ([18100a1](openai@18100a1)) * **examples:** close failed streaming responses ([openai#2531](openai#2531)) ([eb9b468](openai@eb9b468)) * **examples:** close multi-agent WebSockets on terminal responses ([openai#2533](openai#2533)) ([51ec453](openai@51ec453)) * **examples:** drain manual conversation error output ([openai#2629](openai#2629)) ([e488b53](openai@e488b53)) * **examples:** find structured-output tool calls ([openai#2572](openai#2572)) ([84870a8](openai@84870a8)) * **examples:** keep tracking fine-tuning file validation ([openai#2528](openai#2528)) ([63312f2](openai@63312f2)) * **examples:** preserve background stream resume cursors ([openai#2671](openai#2671)) ([b7398e3](openai@b7398e3)) * **examples:** reject early multi-agent WebSocket closure ([openai#2599](openai#2599)) ([c6320f0](openai@c6320f0)) * **examples:** reject early Realtime socket closure ([openai#2639](openai#2639)) ([7db48ec](openai@7db48ec)) * **examples:** reject incomplete image streams ([openai#2617](openai#2617)) ([ef39397](openai@ef39397)) * **examples:** reject incomplete multi-agent streams ([openai#2666](openai#2666)) ([152b98d](openai@152b98d)) * **examples:** reject unsuccessful background responses ([openai#2600](openai#2600)) ([902a931](openai@902a931)) * **examples:** reject unsuccessful Responses streams ([openai#2645](openai#2645)) ([86acb95](openai@86acb95)) * **examples:** reject unsuccessful structured-tool responses ([openai#2668](openai#2668)) ([99aa303](openai@99aa303)) * **examples:** report audio demo failures ([openai#2570](openai#2570)) ([29c0572](openai@29c0572)) * **examples:** report image-streaming failures ([openai#2563](openai#2563)) ([947c555](openai@947c555)) * **examples:** report multi-agent streaming failures ([openai#2550](openai#2550)) ([19d9151](openai@19d9151)) * **examples:** report nonstreaming request failures ([openai#2603](openai#2603)) ([384dc26](openai@384dc26)) * **examples:** report premature WebSocket closure ([openai#2544](openai#2544)) ([7eb5f7e](openai@7eb5f7e)) * **examples:** report unsuccessful Azure Realtime responses ([openai#2612](openai#2612)) ([2b62209](openai@2b62209)) * **examples:** report unsuccessful fine-tuning jobs ([openai#2616](openai#2616)) ([e761c16](openai@e761c16)) * **examples:** report unsuccessful Realtime responses ([openai#2559](openai#2559)) ([5d3e584](openai@5d3e584)) * **examples:** respect raw streaming proxy backpressure ([openai#2663](openai#2663)) ([a11bb1b](openai@a11bb1b)) * **examples:** reuse completed background responses ([openai#2557](openai#2557)) ([8e1977b](openai@8e1977b)) * **examples:** serialize missing book lookup results ([openai#2573](openai#2573)) ([db7e371](openai@db7e371)) * **examples:** stop polling failed training files ([openai#2592](openai#2592)) ([1d67945](openai@1d67945)) * **examples:** support redirected streaming output ([openai#2546](openai#2546)) ([8df2e3a](openai@8df2e3a)) * **examples:** use the default audio recording input ([openai#2593](openai#2593)) ([6153484](openai@6153484)) * **format:** ignore missing literal file-list paths ([openai#2670](openai#2670)) ([516a849](openai@516a849)) * **format:** preserve file-list scope ([openai#2568](openai#2568)) ([7faff0e](openai@7faff0e)) * identify modern Edge browser runtime headers ([openai#2628](openai#2628)) ([9cdf6f0](openai@9cdf6f0)) * isolate monthly node review publication ([openai#2691](openai#2691)) ([3970dae](openai@3970dae)) * isolate realtime connection credentials ([openai#2690](openai#2690)) ([e9db491](openai@e9db491)) * keep formatter inputs on LF across Git checkouts ([openai#2515](openai#2515)) ([074618f](openai@074618f)) * **lint:** preserve leading-dash generated file paths ([openai#2640](openai#2640)) ([3b91a83](openai@3b91a83)) * **pagination:** follow next cursors through empty pages ([openai#2561](openai#2561)) ([9ea39ce](openai@9ea39ce)) * parse JSON media types case-insensitively ([openai#2551](openai#2551)) ([7ea7926](openai@7ea7926)) * **polling:** honor zero custom polling intervals ([openai#2518](openai#2518)) ([0cd94bb](openai@0cd94bb)) * **polling:** treat a cancelled vector store file as terminal ([openai#2506](openai#2506)) ([43c1007](openai@43c1007)) * preserve alternate Headers inputs ([openai#2560](openai#2560)) ([5d36ff4](openai@5d36ff4)) * preserve CommonJS constructor inheritance ([openai#2547](openai#2547)) ([aafb64e](openai@aafb64e)) * preserve cross-realm error causes ([openai#2555](openai#2555)) ([bfec504](openai@bfec504)) * preserve own Zod schema definition names ([openai#2695](openai#2695)) ([f65d190](openai@f65d190)) * preserve package selection in parallel ecosystem tests ([openai#2516](openai#2516)) ([fa0ce41](openai@fa0ce41)) * preserve streamed API error classification ([openai#2694](openai#2694)) ([8e2c6ee](openai@8e2c6ee)) * **realtime:** preserve base URL routing components ([openai#2567](openai#2567)) ([0f2e22d](openai@0f2e22d)) * **responses:** omit parsed values from replayed history ([openai#2634](openai#2634)) ([124b652](openai@124b652)) * **responses:** parse namespaced function tools ([openai#2574](openai#2574)) ([4d86684](openai@4d86684)) * **responses:** validate indexed response collections ([openai#2687](openai#2687)) ([1ecbf52](openai@1ecbf52)) * **runners:** observe cancellation after completion callbacks ([openai#2591](openai#2591)) ([27f5c6a](openai@27f5c6a)) * **runners:** preserve frozen input history ([openai#2525](openai#2525)) ([1211038](openai@1211038)) * **runners:** reuse caller abort listeners across tool turns ([openai#2594](openai#2594)) ([57d0da4](openai@57d0da4)) * **runners:** suppress content events for input history ([openai#2520](openai#2520)) ([37d6fc2](openai@37d6fc2)) * serialize tool-call IDs once per completion ([openai#2688](openai#2688)) ([8afb23e](openai@8afb23e)) * **streaming:** abort before early-exit cleanup ([openai#2613](openai#2613)) ([03acf94](openai@03acf94)) * **streaming:** avoid duplicate terminal tool argument events ([openai#2658](openai#2658)) ([12e5db6](openai@12e5db6)) * **streaming:** interrupt pending reads on cancellation ([openai#2556](openai#2556)) ([2d7a767](openai@2d7a767)) * **streaming:** surface server error frames and settle streams past throwing listeners ([openai#2502](openai#2502)) ([17a661e](openai@17a661e)) * support Edge Runtime without Node process ([openai#2552](openai#2552)) ([5dc4deb](openai@5dc4deb)) * **test:** cancel Steady commands waiting for cache locks ([openai#2636](openai#2636)) ([8896395](openai@8896395)) * **test:** preserve unrelated processes on mock startup failure ([openai#2622](openai#2622)) ([6896e66](openai@6896e66)) * **test:** reap Steady commands when lease creation fails ([openai#2664](openai#2664)) ([518756a](openai@518756a)) * **test:** reject HTTP errors in mock health checks ([openai#2667](openai#2667)) ([7b9e0b0](openai@7b9e0b0)) * **test:** reject unknown ecosystem project names ([openai#2626](openai#2626)) ([fcd12bb](openai@fcd12bb)) * **test:** run Bun validation with --from-npm ([openai#2625](openai#2625)) ([74f58a9](openai@74f58a9)) * **test:** use a monotonic Steady lock timeout ([openai#2661](openai#2661)) ([7b5d120](openai@7b5d120)) * **types:** account for optional event arguments ([openai#2527](openai#2527)) ([548a651](openai@548a651)) * **types:** include missing parsed response stream events ([openai#2521](openai#2521)) ([6a9db07](openai@6a9db07)) * **types:** preserve custom tool factory metadata ([openai#2526](openai#2526)) ([13dca7b](openai@13dca7b)) * **types:** preserve runnable function tuple positions ([openai#2524](openai#2524)) ([e345d0f](openai@e345d0f)) * **uploads:** accept cross-realm ArrayBuffers ([openai#2529](openai#2529)) ([69d7bda](openai@69d7bda)) * **uploads:** preserve explicit empty filenames ([openai#2532](openai#2532)) ([eabb487](openai@eabb487)) * **uploads:** reject zero batch upload concurrency ([openai#2519](openai#2519)) ([8b9405a](openai@8b9405a)) * validate partial image indices in streaming example ([openai#2693](openai#2693)) ([a9a4440](openai@a9a4440)) * **zod:** preserve strict schema compatibility with Zod 4.5.4 ([openai#2677](openai#2677)) ([c11870e](openai@c11870e)) * **zod:** retain the original tool parameter schema ([openai#2662](openai#2662)) ([fdb038e](openai@fdb038e)) ### Performance Improvements * **bedrock:** avoid copying repeated query values ([openai#2545](openai#2545)) ([80ab919](openai@80ab919)) ### Chores * **api:** document throttling and model overload responses — SDK-235 ([openai#2632](openai#2632)) ([9dd0524](openai@9dd0524)) * clarify Response types and remove unused handwritten code ([openai#2660](openai#2660)) ([86152ab](openai@86152ab)) * **deps-dev:** bump @aws-sdk/credential-provider-node from 3.972.78 to 3.972.81 ([openai#2681](openai#2681)) ([48629a3](openai@48629a3)) * **deps-dev:** bump @cloudflare/workers-types from 5.20260816.1 to 5.20260823.1 in /ecosystem-tests/cloudflare-worker ([openai#2535](openai#2535)) ([dc14bf5](openai@dc14bf5)) * **deps-dev:** bump @cloudflare/workers-types from 5.20260823.1 to 5.20260830.1 in /ecosystem-tests/cloudflare-worker ([openai#2676](openai#2676)) ([ae04066](openai@ae04066)) * **deps-dev:** bump @smithy/signature-v4 from 5.7.2 to 5.7.3 ([openai#2679](openai#2679)) ([41ca20d](openai@41ca20d)) * **deps-dev:** bump @swc/core from 1.15.47 to 1.16.1 ([openai#2538](openai#2538)) ([5c04dc4](openai@5c04dc4)) * **deps-dev:** bump fast-uri from 3.1.5 to 3.1.7 in /ecosystem-tests/ts-browser-webpack ([openai#2579](openai#2579)) ([34380bf](openai@34380bf)) * **deps-dev:** bump fast-uri from 3.1.5 to 3.1.7 in /ecosystem-tests/vercel-edge ([openai#2577](openai#2577)) ([511d1e4](openai@511d1e4)) * **deps-dev:** bump oxlint from 1.76.0 to 1.79.0 ([openai#2542](openai#2542)) ([2683c3a](openai@2683c3a)) * **deps-dev:** bump oxlint from 1.79.0 to 1.80.0 ([openai#2683](openai#2683)) ([02d5fb0](openai@02d5fb0)) * **deps-dev:** bump puppeteer from 25.7.0 to 25.8.0 in /ecosystem-tests/browser-direct-import ([openai#2534](openai#2534)) ([f039c09](openai@f039c09)) * **deps-dev:** bump puppeteer from 25.7.0 to 25.8.0 in /ecosystem-tests/ts-browser-webpack ([openai#2539](openai#2539)) ([5828818](openai@5828818)) * **deps-dev:** bump puppeteer from 25.8.0 to 25.9.0 in /ecosystem-tests/browser-direct-import ([openai#2675](openai#2675)) ([bebd72f](openai@bebd72f)) * **deps-dev:** bump puppeteer from 25.8.0 to 25.9.0 in /ecosystem-tests/ts-browser-webpack ([openai#2680](openai#2680)) ([fe3770f](openai@fe3770f)) * **deps-dev:** bump ultracite from 7.10.0 to 7.10.5 ([openai#2537](openai#2537)) ([6d37b30](openai@6d37b30)) * **deps-dev:** bump vitest from 4.1.10 to 4.1.11 ([openai#2541](openai#2541)) ([6ea24b3](openai@6ea24b3)) * **deps-dev:** bump webpack from 5.109.2 to 5.110.2 in /ecosystem-tests/ts-browser-webpack ([openai#2682](openai#2682)) ([73405d1](openai@73405d1)) * **deps-dev:** bump wrangler from 4.125.0 to 4.127.1 in /ecosystem-tests/cloudflare-worker ([openai#2678](openai#2678)) ([0d92742](openai@0d92742)) * **deps:** bump @azure/identity from 4.13.1 to 4.13.2 ([openai#2540](openai#2540)) ([0318287](openai@0318287)) * **deps:** bump express and @types/express ([openai#2684](openai#2684)) ([c581c17](openai@c581c17)) * **ecosystem:** remove unused proxy stub ([openai#2641](openai#2641)) ([ce1713a](openai@ce1713a)) * migrate to forked steady ([openai#2587](openai#2587)) ([67ce45d](openai@67ce45d)) ### Documentation * correct Bun ecosystem test instructions ([openai#2627](openai#2627)) ([3434b42](openai@3434b42)) * correct error handling diagnostics ([openai#2630](openai#2630)) ([d334d8c](openai@d334d8c)) * **helpers:** remove undefined main call from parsing example ([openai#2648](openai#2648)) ([d8f6be9](openai@d8f6be9)) * **realtime:** report unsuccessful responses in the guide ([openai#2647](openai#2647)) ([f58b1fd](openai@f58b1fd)) * **streaming:** reject unsuccessful background responses ([openai#2614](openai#2614)) ([1025f7a](openai@1025f7a)) * **tools:** support TypeScript 4.9 in the function loop ([openai#2649](openai#2649)) ([42e852b](openai@42e852b)) --- This PR 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Summary
Make non-streaming
runTools()honor the existingemit = falseflag while loading input history.AbstractChatCompletionRunnerdeliberately adds initial messages without emitting events. TheChatCompletionRunneroverride forwarded that flag to the base class but ignored it forcontentevents. A conversation with an earlier assistant reply therefore emitted both the old reply and the new reply as fresh content, even thoughmessageevents correctly contained only the new response.Structured assistant history made this worse: a content-part array could reach a listener whose public parameter type is
string.The runtime fix is one condition: emit content only when
emitis true. Input history remains in the request and runner state, and newly received assistant replies retain their existing events. This matches the documented content-event contract.Scope and regressions
stream: falsemodes, plus structured content-part history.Validation
contentreceived["Earlier reply", "New reply"]whilemessagereceived only["New reply"].CI=true ./scripts/test: 7,012 handwritten tests and 556 generated tests passed; 2 existing generated tests skipped.pnpm exec tsc,pnpm lint, andpnpm buildpassed.