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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Plan: Non-mutating Save Serialization

Scope

Resolve issue002: saving justified content must write logical text while the display buffer remains unchanged on success, filesystem failure, encoding failure, or interruption.

Resolution Path

Drive save-buffer through real failure and quit paths and prove the old before/after-hook transaction leaves the buffer unformatted.
Stop mutating the source buffer during save.
Use Emacs's write-region-annotate-functions buffer-switch contract to serialize a logical copy at the actual write boundary.
Preserve later annotation/coding processing and clean the copy on success, retry, integration removal, or source-buffer teardown.
Verify success, three failure classes, retry, full ERT, fuzz, warnings-as-errors compilation, and checkdoc.

Non-goals

No global advice around save-buffer or write-region.
No replacement implementation of Emacs file saving.
No copy-filter composition or manual-unjustify lifecycle change.

Rollback

Restore the before/after save hooks and remove the logical write-buffer tests. No file format or persisted metadata changes.

1.1 KiB Raw Blame History