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fix(runtime): skip comment nodes when indexing <Transform> children (Ink parity, G52) (#60)

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Vue materializes a null/v-if/false render as a COMMENT host node that occupies
a positional slot in node.children. React never produces a childNode for such
children, so Ink's squash loop (squash-text-nodes.ts:13) never advances `index`
past them — empirically <Text>A{null}<Transform>(s,i)=>`${i}:${s}`>B</Transform>
yields "A1:B". vue-tui's three squash loops used the raw positional loop counter,
so a preceding comment took a slot and shifted the Transform to "A2:B".

The fix maintains a separate transform index that advances only for children
React would have produced — i.e. skips comment nodes — applied IDENTICALLY in
the paint, measure, and screen-reader paths so all three agree and match Ink.

G21 (which switched these loops from a hardcoded 0 to the positional counter)
introduced the precondition; its real-sibling positional indexing and G32's
transform-in-transform recursion remain intact.

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Yunfei He
2026-05-30 12:55:48 +08:00
committed by GitHub
parent f9435f94c9
commit a5a7cf124b
6 changed files with 284 additions and 92 deletions
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.agents/docs/parity-ledger.md
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@@ -6,14 +6,15 @@
## Sweep history
| sweep | Ink SHA | candidates → confirmed | status |
| -------------------- | --------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- |
| sweep-1 (2026-05-29) | `40b3a75` | 16 verified → 14 confirmed (2 refuted) | recorded |
| sweep-2 (2026-05-30) | `40b3a75` | 8 confirmed (re-audit after 16 fixes merged) → 6 new gaps (G18-G23) + 1 candidate (G24) | recorded |
| sweep-3 (2026-05-30) | `40b3a75` | 8 confirmed (re-audit, 22 fixes merged) → 7 new gaps (G25-G31, all LOW) + 1 refuted | recorded |
| sweep-4 (2026-05-30) | `40b3a75` | confirmation re-audit → 7 new (2 MEDIUM: G32-G33; 5 low: G34-G38) + 2 refuted-reversed | recorded |
| sweep-5 (2026-05-30) | `40b3a75` | final re-audit (G32+G33 merged) → 6 cand → 5 confirmed: 1 MEDIUM (G39 SR default-Box separator) + 4 LOW (G40-G43) | recorded |
| sweep-6 (2026-05-30) | `40b3a75` | re-audit (G39 merged) → 9 cand → 8 confirmed: **3 MEDIUM (G44 Static layout-style dropped, G45 programmatic focus-while-disabled, G46 non-empty SR-frame trailing newline) + 5 LOW (G47-G51)** | recorded |
| sweep | Ink SHA | candidates → confirmed | status |
| -------------------- | --------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | -------- |
| sweep-1 (2026-05-29) | `40b3a75` | 16 verified → 14 confirmed (2 refuted) | recorded |
| sweep-2 (2026-05-30) | `40b3a75` | 8 confirmed (re-audit after 16 fixes merged) → 6 new gaps (G18-G23) + 1 candidate (G24) | recorded |
| sweep-3 (2026-05-30) | `40b3a75` | 8 confirmed (re-audit, 22 fixes merged) → 7 new gaps (G25-G31, all LOW) + 1 refuted | recorded |
| sweep-4 (2026-05-30) | `40b3a75` | confirmation re-audit → 7 new (2 MEDIUM: G32-G33; 5 low: G34-G38) + 2 refuted-reversed | recorded |
| sweep-5 (2026-05-30) | `40b3a75` | final re-audit (G32+G33 merged) → 6 cand → 5 confirmed: 1 MEDIUM (G39 SR default-Box separator) + 4 LOW (G40-G43) | recorded |
| sweep-6 (2026-05-30) | `40b3a75` | re-audit (G39 merged) → 9 cand → 8 confirmed: **3 MEDIUM (G44 Static layout-style dropped, G45 programmatic focus-while-disabled, G46 non-empty SR-frame trailing newline) + 5 LOW (G47-G51)** | recorded |
| sweep-7 (2026-05-30) | `40b3a75` | re-audit (G44/G45/G46 merged) → 6 confirmed: **1 MEDIUM (G52 Transform index shift from comment-node siblings) + 5 LOW (display-removal, dup focus id, debug dedup, cross-realm Error exit, useAnimation reset paused)** | recorded |
Refuted (NOT gaps): ~~`exit()` second-wins — vue-tui is already guarded~~ **REVERSED by sweep-4: it IS last-wins vs Ink first-wins → now tracked as G33**; kitty key-release printable-text suppression — Ink behaves the same.
@@ -39,59 +40,60 @@ Non-obvious calls made while fixing gaps, recorded for review in the final repor
`status` ∈ `todo · in-progress · pr-open · merged · blocked · refuted · candidate`. Priority: correctness/behavior first, omissions next.
| id | area | summary | priority | status | branch | PR |
| --- | ------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- | ----------------------------------------------------------------------------------------------- | ---------------------------------------------- | ---- | --- | --- |
| G01 | static-newline-spacer | Static keeps every already-written item permanently mounted instead of unmounting it | P1 | merged | `fix/parity-static-unmount` | #34 |
| G02 | app-exit-instances-animation-sr | useAnimation does not coalesce ticks within the render-throttle window — delta does not 'account for throttled renders' | P1 | merged | `fix/parity-useanimation-throttle` | #35 |
| G03 | render-lifecycle-reconciler | Live screen-reader render path is missing; commit() always paints the visual grid | P1 | merged | `fix/parity-sr-render` | #36 |
| G04 | box-layout-border | Border edges incorrectly inherit the Box backgroundColor | P2 | merged | `fix/parity-border-bg` | #30 |
| G05 | box-layout-border | Borders skipped when content area is 1 cell tall or wide (w<2 / h<2 guard) | P2 | merged | `fix/parity-border-1cell` | #37 |
| G06 | text-wrap-transform | Nested <Transform>/<Text> transform fn receives hardcoded index 0 instead of childNode index | P2 | refuted | — | — |
| G07 | input-keypress-kitty-paste | Kitty-protocol Ctrl+C triggers app exit in vue-tui but only suppresses the handler in Ink | P2 | kept | — (see ink-parity.md) | — |
| G08 | focus | useFocus does not react to changes in the id prop | P2 | merged | `fix/parity-usefocus-id` | #31 |
| G09 | stdout-stderr-stdin-size-cursor | External stdout/stderr writes are not wrapped in synchronized-update (BSU/ESU) markers | P2 | merged | `fix/parity-external-bsu` | #39 |
| G10 | stdout-stderr-stdin-size-cursor | setRawMode silently no-ops in unsupported environments instead of throwing a descriptive error | P2 | merged | `fix/parity-setrawmode-throw` | #40 |
| G11 | render-lifecycle-reconciler | Resize handler does not clear+reset on terminal-width decrease | P2 | merged | `fix/parity-resize-clear` | #41 |
| G12 | render-lifecycle-reconciler | Renderer frame width/rows lack terminal-size fallback (only ?? defaults) | P2 | merged | `fix/parity-renderer-size` | #33 |
| G13 | box-layout-border | Custom border style objects (BoxStyle) not supported | P3 | merged | `fix/parity-custom-border` | #42 |
| G14 | app-exit-instances-animation-sr | No per-stdout instance reuse/guard — two concurrent renderers can compete for the same stdout | P3 | merged | `fix/parity-instance-reuse` | #43 |
| G15 | box-layout-border | Vertical border sides not shifted up when borderTop=false (Ink offsetY) — left/right rails mispositioned | P2 | merged | `fix/parity-border-1cell` | #37 |
| G16 | box-layout-border | Per-edge borderDimColor=false cannot override general borderDimColor (`\|\| dimAll` vs Ink's `??`) | P3 | merged | `fix/parity-border-dim` | #44 |
| G17 | render-lifecycle-reconciler | Screen-reader live-path edges: <Static> still grid-painted (Ink linearizes, skipStaticElements:false) + empty SR frame gets a trailing newline (Ink writes wrapped output directly) | P3 | merged | `fix/parity-sr-edges` | #45 |
| G18 | render-lifecycle-reconciler | No signal-based teardown — terminal corrupted on SIGINT/SIGTERM/SIGHUP (Ink signal-exit at mount) | P1 | merged | `fix/parity-signal-teardown` | #47 |
| G19 | box-layout-border | Dynamic removal of most yoga style props does not reset to default (stale layout) | P2 | merged | `fix/parity-yoga-reset` | #48 |
| G20 | stdout-stderr-stdin-size-cursor | writeToStdout/writeToStderr lack an isUnmounted/teardown guard (post-teardown writes corrupt terminal) | P2 | merged | `fix/parity-write-after-unmount` | #49 |
| G21 | text-wrap-transform | Nested <Transform> in <Text> gets hardcoded index 0 vs child sibling position (squash path) | P3 | merged | `fix/parity-transform-index` | #50 |
| G22 | app-exit-instances-animation-sr | SR role dedup inherits grandparent role; Ink dedups only vs immediate parent | P3 | merged | `fix/parity-sr-role-dedup` | #51 |
| G23 | app-exit-instances-animation-sr | <Transform> under <Box> SR-joins children with newline; Ink concatenates | P3 | pr-open | `fix/parity-sr-transform-concat` | #52 |
| G24 | render-lifecycle-reconciler | Renders ALL <Static> nodes; Ink renders only the most-recent staticNode (multi-Static support — kept ) | P3 | kept | — (see ink-parity.md) | — |
| G25 | text-wrap-transform | truncate wrap keeps multi-line when each line fits but whole string overflows (Ink collapses via cliTruncate on whole string) | P3 | todo | — | — |
| G26 | input-keypress-kitty-paste | useInput suppresses input text on kitty key-RELEASE events; Ink delivers the char on release (REVERSES the sweep-1 refutation) | P3 | todo | — | — |
| G27 | stdout-stderr-stdin-size-cursor | releaseRawMode defers input detach + parser reset; Ink stops input synchronously (clearInputState) | P3 | todo | — | — |
| G28 | stdout-stderr-stdin-size-cursor | useStdin() leaks internal members; Ink narrows the public return to PublicProps {stdin,setRawMode,isRawModeSupported} | P3 | todo | — | — |
| G29 | render-lifecycle-reconciler | useCursor()/setCursorPosition never applied during normal render commits (only after console writes) | P3 | todo | — | — |
| G30 | app-exit-instances-animation-sr | SR: nested <Transform> inside a box-level <Transform> drops the INNER transform fn (refines G23) | P3 | todo | — | — |
| G31 | app-exit-instances-animation-sr | useAnimation `interval` option is not reactive; Ink re-subscribes+resets when interval changes (cf. G08 id-reactivity) | P3 | todo | — | — |
| G32 | text-wrap-transform | <Transform> nested directly inside another <Transform> (in <Text>) is silently DROPPED — paint+measure lose all content | P1 | merged | `fix/parity-transform-nesting` | #54 |
| G33 | app-exit-instances-animation-sr | exit() resolves last-call-wins; Ink is first-call-wins (REVERSES the sweep-1 exit()-second-wins refutation) | P1 | merged | `fix/parity-exit-first-wins` | #55 |
| G34 | box-layout-border | Box border glyphs + bg fill are subject to ancestor <Transform> transformers; Ink renders chrome with empty transformer list | P3 | todo | — | — |
| G35 | static-newline-spacer | <Static> container's own borderStyle/backgroundColor (non-yoga visual style) not painted | P3 | todo | — | — |
| G36 | focus | useFocus autoFocus prop not reactive (captured once); Ink re-registers on autoFocus change | P3 | todo | — | — |
| G37 | render-lifecycle-reconciler | onRender renderTime metric includes stdout write + static capture, not just paint | P3 | todo | — | — |
| G38 | app-exit-instances-animation-sr | useAnimation/scheduler quantizes interval via Math.round; Ink preserves fractional intervals | P3 | todo | — | — |
| G39 | app-exit-instances-animation-sr | SR linearization: a default `<Box>` (no flexDirection prop) joins children with `\n`; Ink defaults flexDirection to `row` so it joins with a space (MEDIUM, found sweep-5) | P1 | merged | `fix/parity-sr-default-box-separator` | #56 |
| G40 | render-lifecycle-reconciler | Output write CLAMPS chars at grid width (paint.ts offsetX>=width break/continue); Ink writes overflow past the grid (unbounded output.ts loop) — sweep-5 LOW | P3 | todo | — | — |
| G41 | render-lifecycle-reconciler | onRender renderTime INCLUDES synchronous stdout-write time; Ink calls onRender before the write — sweep-5 LOW (overlaps G37) | P3 | todo | — | — |
| G42 | render-lifecycle-reconciler | Debug mode does NOT re-emit accumulated `<Static>` history each frame — sweep-5 LOW | P3 | todo | — | — |
| G43 | render-lifecycle-reconciler | Non-interactive unmount SKIPS the trailing newline when the final frame is empty — sweep-5 LOW | P3 | todo | — | — |
| G44 | static-newline-spacer | `<Static style>` layout props (flexDirection/padding/justify/align/gap/margin/width) dropped from isolated paint — only column-default + visual border/color survive (MEDIUM, sweep-6) | P1 | pr-open | `fix/parity-static-layout-style` | #59 |
| G45 | focus | Programmatic focusNext()/focusPrevious() are no-ops while focus is disabled; Ink keeps them live (guard belongs only in Tab listener) (MEDIUM, sweep-6) | P1 | pr-open | `fix/parity-programmatic-focus-while-disabled` | #57 |
| G46 | render-lifecycle-reconciler | Non-empty multi-line screen-reader frames append a spurious trailing `\n` + off-by-one erase that Ink does not (G17 only handled the empty case) (MEDIUM, sweep-6) | P1 | pr-open | `fix/parity-nonempty-sr-frame-newline` | #58 |
| G47 | box-layout-border | Per-edge border toggles (borderTop/Bottom/Left/Right) reserve yoga border space even with no borderStyle set (only on reactive patch) — sweep-6 LOW | P3 | todo | — | — |
| G48 | text-wrap-transform | Measure path omits sanitizeAnsi that Ink applies in squashTextNodes (diverges only for private-param/intermediate-byte CSI) — sweep-6 LOW | P3 | todo | — | — |
| G49 | stdout-stderr-stdin-size-cursor | restoreLastOutput() uses `??` (nullish) instead of Ink's ` | | ` (falsy) fallback, dropping the restored trailing newline before the first frame — sweep-6 LOW | P3 | todo | — | — |
| G50 | app-exit-instances-animation-sr | useApp's `waitUntilRenderFlush()` not reachable from inside the render tree (intentional minimal surface — cf. allowlist) — sweep-6 LOW | P3 | todo | — | — |
| G51 | app-exit-instances-animation-sr | Screen-reader text squash does not sanitize ANSI (transform-injected control sequences leak) — sweep-6 LOW (same family as the squashTextContent note) | P3 | todo | — | — |
| id | area | summary | priority | status | branch | PR |
| --- | ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- | ------- | ---------------------------------------------- | --- |
| G01 | static-newline-spacer | Static keeps every already-written item permanently mounted instead of unmounting it | P1 | merged | `fix/parity-static-unmount` | #34 |
| G02 | app-exit-instances-animation-sr | useAnimation does not coalesce ticks within the render-throttle window — delta does not 'account for throttled renders' | P1 | merged | `fix/parity-useanimation-throttle` | #35 |
| G03 | render-lifecycle-reconciler | Live screen-reader render path is missing; commit() always paints the visual grid | P1 | merged | `fix/parity-sr-render` | #36 |
| G04 | box-layout-border | Border edges incorrectly inherit the Box backgroundColor | P2 | merged | `fix/parity-border-bg` | #30 |
| G05 | box-layout-border | Borders skipped when content area is 1 cell tall or wide (w<2 / h<2 guard) | P2 | merged | `fix/parity-border-1cell` | #37 |
| G06 | text-wrap-transform | Nested <Transform>/<Text> transform fn receives hardcoded index 0 instead of childNode index | P2 | refuted | — | — |
| G07 | input-keypress-kitty-paste | Kitty-protocol Ctrl+C triggers app exit in vue-tui but only suppresses the handler in Ink | P2 | kept | — (see ink-parity.md) | — |
| G08 | focus | useFocus does not react to changes in the id prop | P2 | merged | `fix/parity-usefocus-id` | #31 |
| G09 | stdout-stderr-stdin-size-cursor | External stdout/stderr writes are not wrapped in synchronized-update (BSU/ESU) markers | P2 | merged | `fix/parity-external-bsu` | #39 |
| G10 | stdout-stderr-stdin-size-cursor | setRawMode silently no-ops in unsupported environments instead of throwing a descriptive error | P2 | merged | `fix/parity-setrawmode-throw` | #40 |
| G11 | render-lifecycle-reconciler | Resize handler does not clear+reset on terminal-width decrease | P2 | merged | `fix/parity-resize-clear` | #41 |
| G12 | render-lifecycle-reconciler | Renderer frame width/rows lack terminal-size fallback (only ?? defaults) | P2 | merged | `fix/parity-renderer-size` | #33 |
| G13 | box-layout-border | Custom border style objects (BoxStyle) not supported | P3 | merged | `fix/parity-custom-border` | #42 |
| G14 | app-exit-instances-animation-sr | No per-stdout instance reuse/guard — two concurrent renderers can compete for the same stdout | P3 | merged | `fix/parity-instance-reuse` | #43 |
| G15 | box-layout-border | Vertical border sides not shifted up when borderTop=false (Ink offsetY) — left/right rails mispositioned | P2 | merged | `fix/parity-border-1cell` | #37 |
| G16 | box-layout-border | Per-edge borderDimColor=false cannot override general borderDimColor (`\|\| dimAll` vs Ink's `??`) | P3 | merged | `fix/parity-border-dim` | #44 |
| G17 | render-lifecycle-reconciler | Screen-reader live-path edges: <Static> still grid-painted (Ink linearizes, skipStaticElements:false) + empty SR frame gets a trailing newline (Ink writes wrapped output directly) | P3 | merged | `fix/parity-sr-edges` | #45 |
| G18 | render-lifecycle-reconciler | No signal-based teardown — terminal corrupted on SIGINT/SIGTERM/SIGHUP (Ink signal-exit at mount) | P1 | merged | `fix/parity-signal-teardown` | #47 |
| G19 | box-layout-border | Dynamic removal of most yoga style props does not reset to default (stale layout) | P2 | merged | `fix/parity-yoga-reset` | #48 |
| G20 | stdout-stderr-stdin-size-cursor | writeToStdout/writeToStderr lack an isUnmounted/teardown guard (post-teardown writes corrupt terminal) | P2 | merged | `fix/parity-write-after-unmount` | #49 |
| G21 | text-wrap-transform | Nested <Transform> in <Text> gets hardcoded index 0 vs child sibling position (squash path) | P3 | merged | `fix/parity-transform-index` | #50 |
| G22 | app-exit-instances-animation-sr | SR role dedup inherits grandparent role; Ink dedups only vs immediate parent | P3 | merged | `fix/parity-sr-role-dedup` | #51 |
| G23 | app-exit-instances-animation-sr | <Transform> under <Box> SR-joins children with newline; Ink concatenates | P3 | pr-open | `fix/parity-sr-transform-concat` | #52 |
| G24 | render-lifecycle-reconciler | Renders ALL <Static> nodes; Ink renders only the most-recent staticNode (multi-Static support — kept ) | P3 | kept | — (see ink-parity.md) | — |
| G25 | text-wrap-transform | truncate wrap keeps multi-line when each line fits but whole string overflows (Ink collapses via cliTruncate on whole string) | P3 | todo | — | — |
| G26 | input-keypress-kitty-paste | useInput suppresses input text on kitty key-RELEASE events; Ink delivers the char on release (REVERSES the sweep-1 refutation) | P3 | todo | — | — |
| G27 | stdout-stderr-stdin-size-cursor | releaseRawMode defers input detach + parser reset; Ink stops input synchronously (clearInputState) | P3 | todo | — | — |
| G28 | stdout-stderr-stdin-size-cursor | useStdin() leaks internal members; Ink narrows the public return to PublicProps {stdin,setRawMode,isRawModeSupported} | P3 | todo | — | — |
| G29 | render-lifecycle-reconciler | useCursor()/setCursorPosition never applied during normal render commits (only after console writes) | P3 | todo | — | — |
| G30 | app-exit-instances-animation-sr | SR: nested <Transform> inside a box-level <Transform> drops the INNER transform fn (refines G23) | P3 | todo | — | — |
| G31 | app-exit-instances-animation-sr | useAnimation `interval` option is not reactive; Ink re-subscribes+resets when interval changes (cf. G08 id-reactivity) | P3 | todo | — | — |
| G32 | text-wrap-transform | <Transform> nested directly inside another <Transform> (in <Text>) is silently DROPPED — paint+measure lose all content | P1 | merged | `fix/parity-transform-nesting` | #54 |
| G33 | app-exit-instances-animation-sr | exit() resolves last-call-wins; Ink is first-call-wins (REVERSES the sweep-1 exit()-second-wins refutation) | P1 | merged | `fix/parity-exit-first-wins` | #55 |
| G34 | box-layout-border | Box border glyphs + bg fill are subject to ancestor <Transform> transformers; Ink renders chrome with empty transformer list | P3 | todo | — | — |
| G35 | static-newline-spacer | <Static> container's own borderStyle/backgroundColor (non-yoga visual style) not painted | P3 | todo | — | — |
| G36 | focus | useFocus autoFocus prop not reactive (captured once); Ink re-registers on autoFocus change | P3 | todo | — | — |
| G37 | render-lifecycle-reconciler | onRender renderTime metric includes stdout write + static capture, not just paint | P3 | todo | — | — |
| G38 | app-exit-instances-animation-sr | useAnimation/scheduler quantizes interval via Math.round; Ink preserves fractional intervals | P3 | todo | — | — |
| G39 | app-exit-instances-animation-sr | SR linearization: a default `<Box>` (no flexDirection prop) joins children with `\n`; Ink defaults flexDirection to `row` so it joins with a space (MEDIUM, found sweep-5) | P1 | merged | `fix/parity-sr-default-box-separator` | #56 |
| G40 | render-lifecycle-reconciler | Output write CLAMPS chars at grid width (paint.ts offsetX>=width break/continue); Ink writes overflow past the grid (unbounded output.ts loop) — sweep-5 LOW | P3 | todo | — | — |
| G41 | render-lifecycle-reconciler | onRender renderTime INCLUDES synchronous stdout-write time; Ink calls onRender before the write — sweep-5 LOW (overlaps G37) | P3 | todo | — | — |
| G42 | render-lifecycle-reconciler | Debug mode does NOT re-emit accumulated `<Static>` history each frame — sweep-5 LOW | P3 | todo | — | — |
| G43 | render-lifecycle-reconciler | Non-interactive unmount SKIPS the trailing newline when the final frame is empty — sweep-5 LOW | P3 | todo | — | — |
| G44 | static-newline-spacer | `<Static style>` layout props (flexDirection/padding/justify/align/gap/margin/width) dropped from isolated paint — only column-default + visual border/color survive (MEDIUM, sweep-6) | P1 | pr-open | `fix/parity-static-layout-style` | #59 |
| G45 | focus | Programmatic focusNext()/focusPrevious() are no-ops while focus is disabled; Ink keeps them live (guard belongs only in Tab listener) (MEDIUM, sweep-6) | P1 | pr-open | `fix/parity-programmatic-focus-while-disabled` | #57 |
| G46 | render-lifecycle-reconciler | Non-empty multi-line screen-reader frames append a spurious trailing `\n` + off-by-one erase that Ink does not (G17 only handled the empty case) (MEDIUM, sweep-6) | P1 | pr-open | `fix/parity-nonempty-sr-frame-newline` | #58 |
| G47 | box-layout-border | Per-edge border toggles (borderTop/Bottom/Left/Right) reserve yoga border space even with no borderStyle set (only on reactive patch) — sweep-6 LOW | P3 | todo | — | — |
| G48 | text-wrap-transform | Measure path omits sanitizeAnsi that Ink applies in squashTextNodes (diverges only for private-param/intermediate-byte CSI) — sweep-6 LOW | P3 | todo | — | — |
| G49 | stdout-stderr-stdin-size-cursor | restoreLastOutput() uses nullish-coalescing instead of Ink's falsy-OR fallback, dropping the restored trailing newline before the first frame — sweep-6 LOW | P3 | todo | — | — |
| G50 | app-exit-instances-animation-sr | useApp's `waitUntilRenderFlush()` not reachable from inside the render tree (intentional minimal surface — cf. allowlist) — sweep-6 LOW | P3 | todo | — | — |
| G51 | app-exit-instances-animation-sr | Screen-reader text squash does not sanitize ANSI (transform-injected control sequences leak) — sweep-6 LOW (same family as the squashTextContent note) | P3 | todo | — | — |
| G52 | text-wrap-transform | `<Transform>` `index` arg shifts when null/false/v-if comment-node siblings precede it inside `<Text>` — Vue comment nodes occupy positional slots; Ink (React) skips null children (MEDIUM, sweep-7; G21's positional-index fix introduced the precondition) | P1 | pr-open | `fix/parity-transform-index-comment-skip` | #60 |
## Gap details