Distillation

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<observations> Date: Jul 30, 2026 * 🟡 (16:37) Agent set up binpatch benchmark in /tmp/opencode/binpatch-bench; downloaded sentry-0.38.0.gz (33,169,223 bytes), sentry-0.39.0.gz (33,377,162 bytes), sentry-0.39.0.patch (2,704,147 bytes TRDIFF10 binpatch) * 🟡 (16:37) Decompressed binaries: sentry-0.38.0 = 115,870,528 bytes (115.87 MB), sentry-0.39.0 = 116,394,816 bytes (116.39 MB). Gzipped download reduction: 33.37 MB / 2.70 MB = 12.4x smaller * 🟡 (16:37) Agent hit multiple errors writing initial apply.mjs: (1) applyPatch returns Promise not Buffer → ERR_INVALID_ARG_TYPE, (2) used wrong API name → loadOldBinary received Buffer instead of path → ERR_INVALID_ARG_VALUE. Root cause: binpatch dist exports `applyPatchToMemory(oldFile, patchData): Promise<Uint8Array>` and `applyPatch(oldPath, patchData, destPath): Promise<string>` — first .patch test was checking exports * 🟡 (16:37) binpatch library API confirmed: `applyPatchToMemory(oldFile: Uint8Array, patchData: Uint8Array): Promise<Uint8Array>` and `applyPatch(oldPath: string, patchData: Uint8Array, destPath: string): Promise<string>` — library located at /home/byk/Code/binpatch/dist/index.js (index.d.ts 26,734 bytes, index.js 40,002 bytes, dated Jul 27 16:28) * 🟡 (16:38) Binpatch apply benchmark: 0.38.0 → 0.39.0 patch apply took 7,165.7 ms (7.17s); output 116,394,816 bytes; sha256 = 87beed7ee7d05e57591b3ad3ee311d8f5132ad619b018d572a6502