headroom/plugins/headroom-agent-hooks/.github/plugin/plugin.json
chopratejas af9e6282f8 fix(crusher): switch compression_store cache key from MD5 to SHA-256 (CodeQL #395)
CodeQL flagged `compression_store.store()`'s default MD5 cache key as
`py/weak-sensitive-data-hashing` after the explicit_hash refactor in
PR #395 brought the line into a new diff context.

First attempt: `usedforsecurity=False` + `# lgtm[...]` comment to
silence the alert without changing the hash. Both failed — CodeQL
ignores the hashlib parameter and our LGTM marker, the alert stayed
open on the PR.

Second attempt (this commit): drop MD5 entirely. The cache key is for
deduplication / lookup, not security or integrity, so any deterministic
function works. SHA-256[:24] gives the same 96-bit collision space as
MD5[:24] (~280 trillion entries for 50% collision under birthday
bound), is FIPS-clean, and CodeQL won't flag it.

Behaviour impact: zero. The cache is in-memory (no disk persistence),
so the same content always hashes deterministically under whichever
function is in use — there is no upgrade-time mismatch to manage.

Drive-by: pre-commit's sync-plugin-versions hook bumped marketplace +
plugin manifests to 0.20.28 since v0.20.27 was tagged on main.
2026-05-05 12:44:02 -07:00

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{
"name": "headroom",
"version": "0.20.28",
"description": "Headroom startup hooks for Claude Code and GitHub Copilot CLI.",
"author": {
"name": "Headroom Contributors",
"url": "https://github.com/chopratejas/headroom"
},
"homepage": "https://github.com/chopratejas/headroom",
"repository": "https://github.com/chopratejas/headroom",
"keywords": [
"headroom",
"hooks",
"claude-code",
"copilot-cli"
],
"hooks": "./hooks"
}