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fix(uploads): accept cross-realm ArrayBuffers - #2529
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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 33349218356 --repo openai/openai-node \
--name castiron-custom-code-33349218356-1 --dir /tmp/castiron-custom-code-33349218356-1
git apply --stat /tmp/castiron-custom-code-33349218356-1/custom-code.patch
cat /tmp/castiron-custom-code-33349218356-1/custom-code.patchOr reproduce it from an SDK checkout containing the vendored reporter: git fetch --no-tags origin eea2292a4a523da9405161dde0a79ac5dc2ecb2a e9ed2e7b2fdaaeae434378dce8ba5ad5f82a429f
python3 scripts/castiron/custom_code_report.py report \
--base eea2292a4a523da9405161dde0a79ac5dc2ecb2a \
--head e9ed2e7b2fdaaeae434378dce8ba5ad5f82a429f --fetch --require-head-hash --public \
--out /tmp/castiron-custom-code-e9ed2e7b2fda
cat /tmp/castiron-custom-code-e9ed2e7b2fda/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. The captured native ArrayBuffer.prototype.byteLength getter is a sound cross-realm brand check, rejects SharedArrayBuffer and tag lookalikes, and is applied consistently to buffered and streaming uploads. The 27-case focused suite and tsc --noEmit pass.
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September 3, 2026 20:26
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## Summary - Preserve an explicitly supplied empty filename in `toFile()` for bytes, blobs, responses, and async iterables, matching its existing native and compatible `File` behavior. - Use nullish filename fallback in the two affected branches. Omitted and `null` names still infer source metadata or fall back to `unknown_file`; explicit nonempty names remain unchanged. - Document the behavior and add a 28-case matrix across seven input forms and four filename choices. ## Reproduction Before this change, `(await toFile(new Uint8Array([1, 2]), '')).name` was `unknown_file`, while the same explicit name with an existing `File` was preserved as `''`. Named inputs and response URLs similarly overrode the explicit empty name with their inferred filename. The two `||=` checks treated an empty string as omission. Switching them to `??=` makes filename selection consistent with the native-file branches and the helper's explicit-override contract. Five new empty-name cases fail on unchanged main; the other 23 matrix cases pass before and after the fix. This changes only the name of the `File` returned by `toFile()`. Streaming-file nonempty-name validation and multipart filename/path rules are unchanged. The separate cross-realm upload PR (openai#2529) touches buffer recognition in different hunks of the same file; this PR does not depend on it or duplicate its fix. ## Validation - `CI=true ./scripts/test`: 7,037 handwritten tests and 556 generated tests passed (two existing generated skips; 12 snapshots passed). - Four focused upload/naming/security suites: 208 tests passed. - `pnpm lint`, `pnpm exec tsc --noEmit`, and `pnpm build` passed. - Built CJS and ESM entrypoints passed 28 filename cases each on Node 22.0.0, 24.20.0, and 26.7.0 (168 cases); root, static, core, and legacy helper exports agree. - Published declarations passed a strict TypeScript 4.5.5 CJS consumer and a 4.9.5 ESM consumer; distributed source passed TypeScript 4.9.5. Adversarial review covered nullish defaults, explicit overrides, native/compatible file behavior, bytes, MIME type, modification time, existing filename-safety rules, supported runtimes, and public entrypoint compatibility. No dependencies, exported signatures, generated files, or security gates change. Both changed paths are absent from the pinned generated snapshot, and no open PR addresses this filename-selection bug.
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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 was generated with [Release Please](https://github.com/googleapis/release-please). 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Summary
toFile()and streaming multipart uploads rejecting nativeArrayBuffervalues created in another JavaScript realm (for example, an iframe or Node VM context).ArrayBuffer.prototype.byteLengthgetter recognizes real buffers across realms without trustingSymbol.toStringTagor acceptingSharedArrayBufferas anArrayBuffer.Reproduction and behavior
Before this change, a VM-created
new Uint8Array([0, 1, 127, 255]).bufferis accepted by the nativeFileconstructor but rejected bytoFile()withUnexpected data type: object; constructor: ArrayBuffer. Supplying the same buffer as a streamed file chunk makesfiles.create()fail with anInvalid streaming file chunkcause.The two upload paths used
instanceof ArrayBuffer, which only recognizes the current realm's prototype. Ten new foreign-buffer cases fail on the base revision while the 17 existing-behavior controls pass; all 27 pass with the fix.Coverage includes nonempty and empty foreign buffers, native buffers, foreign typed-array and DataView slices, direct and async-chunked
toFile(),toStreamingFile(), raw async iterables, and readable streams. Streaming tests inspect the actual multipart bytes at a syntheticfetchboundary. Invalid string-tag lookalikes andSharedArrayBufferinputs remain rejected.Validation
CI=true ./scripts/test: 7,036 handwritten tests and 556 generated tests passed (two existing generated skips; 12 snapshots passed).pnpm lint,pnpm exec tsc --noEmit, andpnpm buildpassed.browser-direct-importworkflow ran offline: fixture type-check, native browser ESM imports, API-key protection, and iframe buffer regression all passed. Re-ran its type-check and browser tests after the final lint-only fixture edit.Adversarial review covered native-brand spoofing, empty buffers, byte-range preservation, metadata compatibility, module/runtime compatibility, and the unchanged browser credential guard. Tests are offline and use synthetic credentials. All four changed paths are absent from the pinned generated snapshot; current open PRs have no overlapping upload fix.