docs: add INVARIANTS.md for repo governance#52
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nahiyankhan merged 1 commit intomainfrom Apr 23, 2026
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Six hard constraints that shape what Ghost is: deterministic CLI, fingerprint.md as single canonical artifact, strict frontmatter/body partition, judgement in skill bundle not CLI, deliberate fingerprint evolution, orthogonal verbs. Each entry has a rule, a Why, and an explicit override clause so future edge cases have context to reason from. CLAUDE.md now opens with a pointer to the file; AGENTS.md symlinks to CLAUDE.md so non-Claude harnesses pick up the same surface. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Introduces
INVARIANTS.mdat repo root — six hard constraints that shape what Ghost is, each with a rule + Why + Override so future edge cases have context to reason from rather than a bare rule to rationalize around.The six:
fingerprint.mdis the single canonical artifact. One on-disk format.--modeflags that swap operation.Invariants are amendable but amending one is a distinct act — own PR, explicit commit message.
Wiring
CLAUDE.mdopens with a pointer toINVARIANTS.md.AGENTS.mdis a symlink toCLAUDE.mdso non-Claude harnesses (Cursor, Codex, etc.) pick up the same surface.Not included
No changeset — this is repo governance, doesn't touch
ghost-drift's published surface.Test plan
pnpm checkpasses (biome + typecheck + file-size + docs + cli-manifest)pnpm testpasses (182 tests)pnpm buildpassesAGENTS.mdsymlink resolves on a fresh clone (macOS/Linux — git stores symlinks natively)🤖 Generated with Claude Code