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CURRENT I52 — B37 production + independent X11 QA (2026-11-01)

Exact QA HEAD: aa5abd7caeb9a2b10fc1d2a5778b3c58bb4cdd1b, explicit 2-parent merge of earlier I51 QA and B37 production #79 32851182b36b30450d93c2c719039002abf0b330; app/src Git tree b855b7d8972b6663e0e764daa140c68a6b232fef. Git compare against B37 confirms only nine QA/workflow/fixture/docs files differ, no B-owned Rust or other production edits. Existing six X11 native gestures, held Ctrl+Z, modal dirty Open, source/CRLF/macros, F1, external XeLaTeX GUI PDF remain mandatory.

Both I46/I47 are repinned to B37 and check out the real B37 production tree; new early and later actual-X11 PDF-focus captures distinguish a screenshot from unobserved asynchronous LOD completion. Exact QA HEAD workflows I46 and I47 completed SUCCESS with independently inspected uploaded GUI artifacts. Same-run PDF-reference comparison resolves B36 missing-stroke and stale-global-warning blockers on the tested fixture; see acceptance comment. Low-contrast thin strokes at 26% remain a nonblocking ergonomic caveat; physical Win10/Mac NOT_RUN. Five B37 core hosted CI groups at exact 3285118 PASS, but old workflows in the B branch still FAIL at stale B35 source-tree preflight before GUI.

Do not merge #80 or #79 until new QA run artifacts and reference PDF are independently reviewed, rectangle four edges/circle/Bézier/Cyrillic legibility verified and stale top 2% warning shown absent; then QA→B37 with exact head lease, new B37 CI, B37→main and separate post-merge CI. Physical Win10 with separately installed MiKTeX, Mac M1/M4 XeLaTeX remain NOT_RUN. Release 1.0 not accepted.

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Historical I51/B36 evidence (old source tree; superseded by I52 candidate)

I51 — independent native Linux/X11 acceptance for B36, real visual blocker found

Base production B36 #79 af75b0402bdf9c99dd18999fc5a4f6eb4c974e23; B36 app/src Git tree 276ad1525db4ef3d3aab4624808453a897ad5b6a. QA branch latest documentation HEAD 3ef3cddb2ff801712daa5c8345e1350929ed6271. QA is stacked onto B36, not directly merged into main. No B production Rust/C help/A TeX edits and no mutation of old qa/i06 branch.

Actual work: repin complete I46 dirty Open and I47 six-native-gesture desktop workflows to B36 app tree; preserve source/unknown macro/CRLF, occupied-victim no-overwrite, modal error, held XTest Ctrl+Z, six native commands, Russian F1, GUI Save/Build/Export external XeLaTeX PDF, PDF/font checks. Add genuine compact 1180×680 PDF крупно → Рисовать TikZ pointer clicks with strict real screenshot-selected button RGB and fail-closed one-/two-line status layout matching, source-byte guard and before/during/after screenshots. Includes offline negative tests, plan, insight and CHANGELOG.

Evidence (same B36 production tree): I46 real-X11 #41329734416 SUCCESS, originally independently reviewed I46 21/21 hash/PDF/modal artifact; I47 #41330287961 automated SUCCESS on tested QA HEAD 6eea588f. Independently downloaded I47 artifact #13092913019: CRC and 45/45 SHA checks PASS, 6 real gestures, source, held-click/drag Undo, Russian F1, GUI PDF, real B36 selected center view states. Physical Win10 x64 with separate MiKTeX and Mac ARM M1/M4 external XeLaTeX NOT_RUN.

Blocking manual review FAIL, not hidden by green CI: Compare screenshot i19-evidence/05b-b36-pdf-large-candidate.png with same-run external GUI-exported 04-pdf-reference.png — missing two rectangle strokes and visibly stippled circle/Bézier in the PDF-focus window even though the actual XeLaTeX PDF is complete. Text too small; stale top error Вся PDF-страница не помещается даже при 2% remains when PDF focus actually fits ~26%. Integrator finding on B36 #79.

DRAFT — do not merge yet. B must fix preview stroke fidelity and stale fit-warning behavior; then repin QA tree as necessary and re-run exact-head real X11, examine actual uploaded source/PDF/critical PNG manually, merge QA into updated B36 with expected_head_sha, exact B36 head CI and only then separately integrate approved B36 into main and re-check post-merge CI. New docs-only exact QA HEAD CI pending. No release.

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B37 B-owned response to independently confirmed I51 B36 visual blocker (2026-11-01), not yet GUI accepted.

• Existing draft #79 updated at exact B HEAD 32851182b36b30450d93c2c719039002abf0b330, app/src Git tree b855b7d8972b6663e0e764daa140c68a6b232fef, accepted main 95b9ecb0f7183de7eb3864468a35b474b49042b8, 0 behind. B37 adds only main.rs, preview_image.rs and B-owned plan/insight; no A/C/D/E/F edits, no feat(B07): first TikZ-native egui drawing vertical with source patches and help #37/feat(B08): six C-catalogue-driven TikZ tools with code, F1 help and undo #43/feat(N1): integrate shared primitive catalog into egui authoring with exact XeLaTeX proof #44 replay.
• Independently reviewed actual I51 ZIP artifact #13092913019: raster PDF focus drops left/bottom rectangle edges and stipples circle/Bézier vs same-run exported exact XeLaTeX PDF. Top status incorrectly retains the old “cannot fit even at 2%” after successful ~26% refit. This is a real UX bug, not XeLaTeX source/PDF damage.
• Production candidate: async Lanczos3 quarter-size prefiltered PNG texture selected when preview zoom <38%; full page PNG retained as geometry authority and for larger zoom; CPU filtering not on egui frame; epoch/page guard prevents stale results; warning now local to current impossible-fit viewport and cannot persist in global Build/Save status.
• New Rust coverage: synthetic four-sided thin-stroke minification + async identity, and actual egui::Context::run(RawInput) rendering using production texture selection beside editable Split source. Existing six native C-catalogue gestures/F1/parameters/Undo/manual edits/Save-Reopen preserved. UNIT_EVENT only; cannot establish X11 visual fidelity.
• Initial c3518fc0 hosted Rust jobs caught rustfmt differences. Corrected in 32851182b36b30450d93c2c719039002abf0b330. Exact-new-head hosted CI D QA, Rust, N1, fonts, MiKTeX hosted were in progress at this handoff; recheck their final conclusions. Legacy I46/I47 still reject old tree preflight before GUI, not evidence of regression.
• D/I51 ask: stack/repin independent real Linux/X11 QA onto exact B37 app/src tree b855b7d8972b6663e0e764daa140c68a6b232fef (rather than B36 276ad...), retain six genuine pointer gestures, held Ctrl+Z, F1, source/CRLF/opaque macros, dirty Open, external XeLaTeX PDF and glyph gates. Capture same-run PDF reference and PDF крупно screenshot at 1180×680 after asynchronous LOD has arrived, compare all four rectangle sides, circle/Bézier strokes and legibility; verify top stale-fit warning absent and normal Build status intact. Do not merge feat(B36): ergonomic large-PDF focus within native TikZ Split editor #79 on green tests without manual screenshot review. Physical Win10 with separate MiKTeX and ARM M1/M4 remain NOT_RUN.

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I52 independent integration acceptance — exact QA HEAD aa5abd7caeb9a2b10fc1d2a5778b3c58bb4cdd1b, 2026-11-01.

• B37 production #79 source HEAD 32851182b36b30450d93c2c719039002abf0b330, app/src=b855b7d8972b6663e0e764daa140c68a6b232fef. Git compare confirms QA branch changes only nine QA/workflow/fixture/docs paths; B-owned Rust and shared C/A unchanged. Both exact-head workflows completed SUCCESS: I46 real dirty Open #41333845730, I47 native six-gesture/PDF #41333845738.
• Independently downloaded and opened I46 artifact 13094357277: ZIP integrity okay, report 21/21 SHA-256, actual modal screenshots 06-reject-target-after.png (visible foreground red rejection, occupied target protected), 12-real-pdf-preview.png (real egui GUI-exported XeLaTeX output); victim/occupied TeX unchanged, cross-document Undo fenced, PDF embedded DejaVuSerif/Cyrillic.
• Independently downloaded I47 artifact 13094199378: ZIP CRC clean, 46/46 SHA-256; six distinct saved C-native TikZ pointer gestures, genuine held-click and held-drag X11/XTest Ctrl+Z then fresh line, original opaque Unicode macro/CRLF source preserved, F1 GUI panel and real PDF export. The compact 05a → 05b → 05c screen RGB confirms guide → PDF → guide, source bytes unaffected. Actual same-run 04-pdf-reference.png was compared manually against 05b-b37-pdf-large-candidate.png: all four sides of the rectangle now visible, circle and Bézier continuous, original «Не менять» visible; old top-row stale 2% warning is absent after successful PDF focus at ~26%. New local warning appears only when returning to the cramped drawing mode. This resolves the B36 missing-stroke/stale-global-warning acceptance blocker for this tested fixture; no claim of pixel-perfect PDF preview or generalized renderer equivalence.
• Remaining UX observation: at 26% the thin strokes are antialiased light gray (left/top/bottom sample near RGB 213–218/255); legibility is physically limited by available width. This is not missing geometry, but deserves separate ergonomic/contrast attention with broader real documents. Early and later focus screenshots have identical SHA; that alone does not prove worker scheduling, although displayed strokes were visually reviewed.

Decision: QA vertical #80 is ACCEPTED for integration into current B37 branch with exact head lease. After the QA merge, require new exact B37 head CI, review of critical artifacts, and only then consider #79→main; post-main-merge CI remains separate. Physical Windows 10/MiKTeX and macOS M1/M4 XeLaTeX GUI remain NOT_RUN. No release.