fix(docgen): content-hash dedup — stop re-injecting identical READMEs in one session - #10
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Session dedup keyed on absolute README path → identical content at multiple paths (sibling worktrees) was injected 2-3× per session. Switch to sha1(README full text). Hook additionalContext is NOT prompt-cached, so every avoided re-injection saves real bytes per turn. Co-Authored-By: Claude Opus 4.7 (1M context) <[email protected]>
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Session dedup keyed on absolute README path → byte-identical READMEs at different paths (sibling worktrees of the same repo) were injected 2–3× per session. Per the Claude Code docs, hook
additionalContextis not prompt-cached — appended as a system-reminder every turn — so every avoided re-injection saves real bytes.Switch dedup to
sha1(README full text). End-to-end on the canonical repo: two worktrees of main, same deep file once in each. Before: 8,741 chars each. After: 8,741 then 0. Suite green.🤖 Generated with Claude Code