Distilled from a multi-week investigation of Bun PR #30412 (the AI-orchestrated Zig→Rust port, merged 2026-05-14). Five rounds of adversarial review on the underlying analysis. The specifics are Bun's; the lessons travel.
For the full investigation: https://gist.github.com/michaellady/7d552137fb1e37ab9bf637e450016c25
Synthesized from five parallel research agents (branch ecosystem, workflow internals, code-vs-audit verification, post-merge bug taxonomy, missed angles) plus the recovered audit documents and direct re-verification against origin/main two days post-merge. PR #30412 by Jarred Sumner, squash-merged 2026-05-14 as commit 23427dbc12 "Rewrite Bun in Rust (#30412)". Per gh api: 1,009,257 additions / 2,188 files. The PR's GitHub-displayed commit-count badge is misleading — the actual branch contains 5,512 first-parent commits across 32 claude/* sub-branches with 87 merge points and 49 first-parent revert commits (66 in the --all log) (external — git log pr-30412 ^MERGE_BASE --first-parent). No human approving review on the PR.
Sourcing convention. Three categories of claim appear below:
- Audit-grounded — claims of the form "the audit documents X" are verifiable from the recovered audit docs (ZIG_RUST_DIVERGENCE_AUDIT, NO
| date,internet of things | |
| 2004-01-04 - 2004-01-10,0 | |
| 2004-01-11 - 2004-01-17,0 | |
| 2004-01-18 - 2004-01-24,0 | |
| 2004-01-25 - 2004-01-31,0 | |
| 2004-02-01 - 2004-02-07,0 | |
| 2004-02-08 - 2004-02-14,0 | |
| 2004-02-15 - 2004-02-21,0 | |
| 2004-02-22 - 2004-02-28,0 | |
| 2004-02-29 - 2004-03-06,0 |