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fd1210e557
ekp/.phrase/phases/phase-kp-overhaul-20260726/change_auto_spacing_signature_20260728.md
Kinneyzhang fd1210e557 fix: close repository audit findings 
Complete task002 through task016 across cache correctness, editor lifecycle, C boundaries, build and release governance, dictionary provenance, performance, interactive workflows, tests, documentation, and final cleanup.
2026-07-28 22:43:10 +08:00

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Change Log: Automatic Spacing Cache Identity 2026-07-28

task003

  • Modify — ekp.el

    • Added one spacing signature used by the paragraph hash and ekp--last-para.
    • Automatic mode records ekp-default-cws-stretch-pixel; explicit mode records all nine spacing values.
    • Kept font-derived automatic inputs owned by the existing font and display-context identity.

  • Modify — tests/ekp-tests.el

    • Added separate regressions for paragraph-table reuse and the same-string fast path.
    • Added an identity/count control proving unchanged signatures still hit.

  • Modify — public, developer, audit, and phase documentation

    • Documented the complete spacing identity and closed issue001.
    • Added the decision record postmortem/20260728-paragraph-spacing-signature.md.

Validation

  • Focused red: 1/3 passed; both stale-value regressions returned 2 instead of the new default 9.
  • Focused green: 3/3.
  • Full ERT: 99/99.
  • C/Elisp fuzz: 300/300.
  • Byte compilation with warnings as errors: clean.
  • checkdoc: clean.

Behavior and Risk

  • Changing automatic CJK stretch takes effect on the next call without clearing caches.
  • Returning to an earlier signature may reuse its still-valid paragraph.
  • No public API, C ABI, saved-file format, dependency, or watcher changed.