M6: record cached page-number review validation

Record the cache-preservation correction and DOCX regression without changing readiness estimates. Local engine tests, strict Clippy and formatting passed; final-head hosted validation remains pending.

ROADMAP.md

@@ -7,7 +7,7 @@
 
 **Stage: alpha** · next: beta, ~15 points (60% → 75% ready for real work) and ~150–230 h away
 
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-11-08 · **Change:** trivial (progress log: a turned inline picture whose file keeps no room for the turn keeps its line to its frame); previously trivial (progress log: the Arabic interface's Styles gallery reads from the right (#5566)); previously trivial (progress log: ODT pictures offered in several formats); previously trivial (progress log: ODT pictures offered in several formats); previously trivial (progress log: ODT pictures offered in several formats); previously trivial (progress log: ODT heading text of another size); previously trivial (Protected typing boundary lookup counts preceding objects once and indexes editable permission IDs (#3614); caret movement and enforcement policy are unchanged; previously trivial: progress log: Custom document properties dialog, #2982; previously trivial: progress log: View › New Window; previously trivial: progress log: interface translations come from storytold/craft-i18n through the `craft-i18n` crate; previously trivial: progress log: disabled-control reasons translated in every interface language, #2678; previously trivial: progress log: mail merge record navigation and record ranges for printing, #3028; previously trivial: selection bar for right-to-left paragraphs and table rows; previously trivial: group connector rerouting preserves rotated and flipped free or unresolved endpoints under nonuniform group scaling; readiness estimates unchanged; previously trivial: progress log: a word with no break opportunity in it no longer makes the layout quadratic, #3412; previously trivial: progress log: a relationship the markup names without the prefix is read as it wrote, and an ordinary `id` names no part; previously trivial: progress log: a document with many relationships opens in the time its part takes, and an id the text only mentions is not a reference, #3411; previously trivial: progress log: read only and comments-only protection grey out edits; previously trivial: progress log: an empty paragraph with a hidden mark shows nothing, not even its list number, #3982; previously trivial: progress log: "NaN" in the Font dialog's Size box no longer closes the app, #3663; previously trivial: progress log: a table cell span from a `.json` file no longer overflows, #3637; previously trivial: progress log: a click in the footer while editing the header moves there; previously trivial: explicit documents keep the editor when recovery discovery finishes; readable recovery controls; previously trivial: Slovenian interface catalog, 2,614 entries; previously trivial: Insert Table of Figures dialog for any caption label, #3013; previously trivial: progress log: Home › Underline drop-down, #2738; previously trivial: personal templates in File › New and Save as Word Template, #2852; previously trivial: progress log: the scrollbar page tip stays on one line, #3341; previously trivial: progress log: forms protection greys out the control buttons; previously trivial: progress log: a document with many content controls saves in the time the controls take, #13; previously trivial: progress log: Word signature lines kept on save; previously trivial: a Thai run with Latin finds one installed font covering it all on Linux too, #1549; previously trivial: progress log: closing the header returns to the body selection, #3331; previously trivial: progress log: saving to a NAS share mounted by GVFS, #3003; previously trivial: progress log: a picture dragged near the bottom of a page lands there, #3169; previously trivial: centred list labels after leading page breaks, #2964; previously trivial: progress log: inline pictures drag to an insertion cursor and stay inline, #2233, #2234; previously trivial: progress log: a text file saved over itself closes without asking, #2376; previously trivial: progress log: a text frame in the paragraph defaults frames nothing, #2360; previously trivial: fixed font inputs in four layout controls; previously trivial: typing no longer starts render threads on every repaint, #3027; previously trivial: a right, centre or decimal tab whose text doesn't fit, or a left tab past the right indent, goes to the next line with its text, #1840; previously trivial: progress log: banded rows shade as in Word, #3415; previously trivial: progress log: the table handles show while the caret is in the table, #2428; previously trivial: progress log: a click below a floating table reaches the text after it, #2038; previously trivial: progress log: Delete on selected table cells leaves one empty paragraph in each, #2802; previously trivial: progress log: lam-alef in exported PDFs extracts whole with fonts that draw it as two glyphs, #2310; previously trivial: Bullets and Numbering toggle off style-inherited lists at their effective level, including basedOn chains and numbered ListParagraph styles; other paragraphs and list definitions stay unchanged (related to #3459); previously trivial (progress log: a shapLine truncated
+> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-11-08 · **Change:** trivial (progress log: a turned inline picture whose file keeps no room for the turn keeps its line to its frame); previously trivial (progress log: the Arabic interface's Styles gallery reads from the right (#5566)); previously trivial (progress log: ODT pictures offered in several formats); previously trivial (progress log: ODT pictures offered in several formats); previously trivial (progress log: ODT pictures offered in several formats); previously trivial (progress log: ODT heading text of another size); previously trivial (Protected typing boundary lookup counts preceding objects once and indexes editable permission IDs (#3614); caret movement and enforcement policy are unchanged; previously trivial: progress log: Custom document properties dialog, #2982; previously trivial: progress log: View › New Window; previously trivial: progress log: interface translations come from storytold/craft-i18n through the `craft-i18n` crate; previously trivial: progress log: disabled-control reasons translated in every interface language, #2678; previously trivial: progress log: mail merge record navigation and record ranges for printing, #3028; previously trivial: selection bar for right-to-left paragraphs and table rows; previously trivial: group connector rerouting preserves rotated and flipped free or unresolved endpoints under nonuniform group scaling; readiness estimates unchanged; previously trivial: progress log: a word with no break opportunity in it no longer makes the layout quadratic, #3412; previously trivial: progress log: a relationship the markup names without the prefix is read as it wrote, and an ordinary `id` names no part; previously trivial: progress log: a document with many relationships opens in the time its part takes, and an id the text only mentions is not a reference, #3411; previously trivial: progress log: read only and comments-only protection grey out edits; previously trivial: progress log: an empty paragraph with a hidden mark shows nothing, not even its list number, #3982; previously trivial: progress log: "NaN" in the Font dialog's Size box no longer closes the app, #3663; previously trivial: progress log: a table cell span from a `.json` file no longer overflows, #3637; previously trivial: progress log: a click in the footer while editing the header moves there; previously trivial: explicit documents keep the editor when recovery discovery finishes; readable recovery controls; previously trivial: Slovenian interface catalog, 2,614 entries; previously trivial: Insert Table of Figures dialog for any caption label, #3013; previously trivial: progress log: Home › Underline drop-down, #2738; previously trivial: personal templates in File › New and Save as Word Template, #2852; previously trivial: progress log: the scrollbar page tip stays on one line, #3341; previously trivial: progress log: forms protection greys out the control buttons; previously trivial: progress log: a document with many content controls saves in the time the controls take, #13; previously trivial: progress log: Word signature lines kept on save; previously trivial: a Thai run with Latin finds one installed font covering it all on Linux too, #1549; previously trivial: progress log: closing the header returns to the body selection, #3331; previously trivial: progress log: saving to a NAS share mounted by GVFS, #3003; previously trivial: progress log: a picture dragged near the bottom of a page lands there, #3169; previously trivial: centred list labels after leading page breaks, #2964; previously trivial: progress log: inline pictures drag to an insertion cursor and stay inline, #2233, #2234; previously trivial: progress log: a text file saved over itself closes without asking, #2376; previously trivial: progress log: a text frame in the paragraph defaults frames nothing, #2360; previously trivial: fixed font inputs in four layout controls; previously trivial: typing no longer starts render threads on every repaint, #3027; previously trivial: a right, centre or decimal tab whose text doesn't fit, or a left tab past the right indent, goes to the next line with its text, #1840; previously trivial: progress log: banded rows shade as in Word, #3415; previously trivial: progress log: the table handles show while the caret is in the table, #2428; previously trivial: progress log: a click below a floating table reaches the text after it, #2038; previously trivial: progress log: Delete on selected table cells leaves one empty paragraph in each, #2802; previously trivial: progress log: lam-alef in exported PDFs extracts whole with fonts that draw it as two glyphs, #2310; previously trivial: Bullets and Numbering toggle off style-inherited lists at their effective level, including basedOn chains and numbered ListParagraph styles; other paragraphs and list definitions stay unchanged (related to #3459); previously trivial (progress log: a shapLine truncated
 >
 > **Recipient CSV update:** 2026-10-27 · Complete quoted header records choose the delimiter (#4249); detection and regressions follow the current mailings module split. Recipient limits and readiness estimates are unchanged.
 >
@@ -80,7 +80,7 @@ the two partial ones (real-world .docx, printing) complete, roughly.
 | Ecosystem and plugins | 15% | 40–80 + owner decisions | [gaps.md](docs/gaps.md) (#22) |
 | AI features | 40% (beyond Word for external agents; no in-app assistant) | 15–30 | [gaps.md](docs/gaps.md) (#25) |
 
-> **Page-number update:** 2026-11-07 · top/bottom numbering preserves header/footer content and PAGE fields in tables and anchored text boxes (#2201). Gallery-generated numbering in its own paragraph can change plain/X-of-Y format and alignment without changing neighboring content; user-owned or ambiguous PAGE fields stay untouched. Empty Header/Footer placeholders retain paragraph-mark formatting after DOCX reopen and later format changes. Identical requests keep undo depth and dirty state unchanged. Readiness estimates unchanged.
+> **Page-number update:** 2026-11-08 · top/bottom numbering preserves header/footer content and PAGE fields in tables and anchored text boxes (#2201). Gallery-generated numbering in its own paragraph can change plain/X-of-Y format and alignment without changing neighboring content; user-owned or ambiguous PAGE fields stay untouched. Empty Header/Footer placeholders retain paragraph-mark formatting after DOCX reopen and later format changes. Identical requests keep undo depth and dirty state unchanged. Readiness estimates unchanged. Existing PAGE/NUMPAGES result caches are retained for repeated requests and later gallery changes; field instructions, flags and formatting remain part of the conservative ownership check.
 
 ## Features
 
@@ -864,6 +864,8 @@ MATH glyphs that reference the same construction now share its immutable variant
 
 ## Revision history
 
+> 2026-11-08 · Page-number cached-result follow-up (#2201): refreshed PAGE/NUMPAGES display results survive identical requests and gallery format/alignment changes after DOCX reopen. All 13 existing preservation regressions remain, with a new cached-result fixture; readiness estimates unchanged.
+
 > 2026-11-08 · Progress log: turned inline pictures without a recorded effect extent keep their line to the frame, as in Word.
 >
 > 2026-11-05 · Linux self-update ignores another program's AppImage variables (#5653); recorded in the progress log, readiness unchanged.