feat(experimental): morph icons flag, wrapper, and Tier 1 pairs - #289
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🧰 Additional context used📓 Path-based instructions (3)The thirteen keys the inline boot script in index.html reads must keep exactly one writer: bootMirror.ts, via updateAppearance.⚙️ CodeRabbit configuration file Files:
Check that the test asserts behaviour rather than implementation.⚙️ CodeRabbit configuration file Files:
Source excerpt: Utilitários Tailwind (`text-content`, `bg-background-base`, `border-stroke`, `bg-selection`, `bg-accent`): 1262 call sites.📄 CodeRabbit inference engine (docs/FRONTEND-UI.md) Files:
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📝 WalkthroughWalkthroughO PR adiciona a opção experimental “Morph icons”, persiste seu valor e o inclui no espelho de inicialização. Também adiciona ChangesÍcones morph
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant ExperimentalPage
participant saveMorphIconsEnabled
participant localStorage
participant useMorphIconsEnabled
participant MorphIcon
participant MorphIconView
ExperimentalPage->>saveMorphIconsEnabled: Salva o valor selecionado
saveMorphIconsEnabled->>localStorage: Grava 1 ou 0
saveMorphIconsEnabled->>useMorphIconsEnabled: Emite evento de alteração
useMorphIconsEnabled->>MorphIcon: Atualiza o estado da opção
MorphIcon->>MorphIconView: Renderiza com MorphView quando a opção está ativada
Merge Risk: ⚪ Minimal · up to The experimental feature remains disabled by default, and failed saves no longer falsely confirm a preference change. No merge-blocking issue remains in the supplied evidence. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The feature defaults off and changes icon presentation rather than the permissions of project or window actions. Its saved preference and added third-party code warrant a limited review; interrupted saves and unexamined dependency behavior leave some uncertainty. Retained concerns Security review detailsSecurity Blast Radius
Trust Boundaries and Controls
🚥 Pre-merge checks | ✅ 6 | ❌ 2❌ Failed checks (2 warnings)
✅ Passed checks (6 passed)
Full details: Nao Reintroduz Escrita Direta De Chave Do MirrorExplanation A PR adiciona escritas diretas fora de Resolution Remova as chamadas diretas de
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Inline comments:
Review comments at @src/chrome/MorphIcon.test.ts:
- Line 139: Extend the MorphIcon test to rerender the existing root with
showAlt=true after the current assertion, then verify data-first-d equals
CopyGlyph[0][1].d. Keep the same mounted instance so the test confirms showAlt
updates after initial render.
Review comments at @src/lib/appearance.ts:
- Line 1090: Update the setter that calls writeFlag for MORPH_ICONS_KEY to
return false without publishing MORPH_ICONS_CHANGE_EVENT when persistence fails,
and return success after a successful write. Update ExperimentalPage to change
its local state only when the setter reports success.
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docs/notes/morph-icons.mdpackage.jsonsrc/chrome/MorphIcon.test.tssrc/chrome/ProjectRail.tsxsrc/chrome/WindowControls.tsxsrc/chrome/icons.tsxsrc/chrome/morphIconCompatibility.test.tssrc/lib/appearance.test.tssrc/lib/appearance.tssrc/lib/locale.tssrc/lib/settings.test.tssrc/lib/settings.tssrc/lib/settings/bootMirror.test.tssrc/lib/settings/bootMirror.tssrc/lib/settings/schema.tssrc/lib/settings/store.test.tssrc/surfaces/settings/pages/ExperimentalPage.test.tssrc/surfaces/settings/pages/ExperimentalPage.tsx
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📓 Path-based instructions (4)
The thirteen keys the inline boot script in index.html reads must keep exactly one writer: bootMirror.ts, via updateAppearance.
⚙️ CodeRabbit configuration file
Files:
src/lib/appearance.ts
A store field is a claim that the native file carries the truth about it.
⚙️ CodeRabbit configuration file
Files:
src/lib/settings/schema.tssrc/lib/settings/bootMirror.test.tssrc/lib/settings/bootMirror.tssrc/lib/settings/store.test.ts
Check that the test asserts behaviour rather than implementation.
⚙️ CodeRabbit configuration file
Files:
src/lib/settings/bootMirror.test.tssrc/lib/settings.test.tssrc/lib/settings/store.test.tssrc/lib/appearance.test.tssrc/surfaces/settings/pages/ExperimentalPage.test.tssrc/chrome/MorphIcon.test.tssrc/chrome/morphIconCompatibility.test.ts
Source excerpt: Utilitários Tailwind (`text-content`, `bg-background-base`, `border-stroke`, `bg-selection`, `bg-accent`): 1262 call sites.
📄 CodeRabbit inference engine (docs/FRONTEND-UI.md)
Files:
src/lib/settings/schema.tssrc/lib/settings/bootMirror.test.tssrc/lib/locale.tssrc/lib/settings.tssrc/chrome/ProjectRail.tsxsrc/lib/settings.test.tssrc/surfaces/settings/pages/ExperimentalPage.tsxsrc/lib/settings/bootMirror.tssrc/lib/settings/store.test.tssrc/lib/appearance.test.tssrc/chrome/WindowControls.tsxsrc/surfaces/settings/pages/ExperimentalPage.test.tssrc/lib/appearance.tssrc/chrome/MorphIcon.test.tssrc/chrome/morphIconCompatibility.test.tssrc/chrome/icons.tsx
🧠 Learnings (1)
📓 Common learnings
Learnt from: CR
Repo: yanhenrique-dev/Monocode-linux
Timestamp: 2026-09-30T04:29:21.825Z
Learning: Source excerpt:
# Inbox discussion instructions
## Review with evidence
- Prioritize correctness, security, regressions, and important test gaps. Report concrete findings with severity, affected file and lines, the triggering scenario, and its impact. Avoid speculative findings and style preferences unless requested.
Learnt from: CR
Repo: yanhenrique-dev/Monocode-linux
Timestamp: 2026-09-30T04:29:21.825Z
Learning: Source excerpt:
# Inbox discussion instructions
## Review with evidence
- Prioritize correctness, security, regressions, and important test gaps. Report concrete findings with severity, affected file and lines, the triggering scenario, and its impact. Avoid speculative findings and style preferences unless requested.
Learnt from: CR
Repo: yanhenrique-dev/Monocode-linux
Timestamp: 2026-09-30T04:29:21.825Z
Learning: Source excerpt:
# Inbox discussion instructions
## Review with evidence
- Prioritize correctness, security, regressions, and important test gaps. Report concrete findings with severity, affected file and lines, the triggering scenario, and its impact. Avoid speculative findings and style preferences unless requested.
Learnt from: CR
Repo: yanhenrique-dev/Monocode-linux
Timestamp: 2026-09-30T04:29:19.366Z
Learning: Source excerpt:
# Motion language
## Rules
- `prefers-reduced-motion: reduce` disables all of the above.
Learnt from: CR
Repo: yanhenrique-dev/Monocode-linux
Timestamp: 2026-09-30T04:29:21.825Z
Learning: Source excerpt:
# Inbox discussion instructions
## Review with evidence
- Separate confirmed defects from uncertainties and coverage gaps. Missing tests alone do not prove a bug. If no actionable defects are found, say so and state any material limits of the review.
Learnt from: CR
Repo: yanhenrique-dev/Monocode-linux
Timestamp: 2026-09-30T04:29:21.825Z
Learning: Source excerpt:
# Inbox discussion instructions
## Review with evidence
- Separate confirmed defects from uncertainties and coverage gaps. Missing tests alone do not prove a bug. If no actionable defects are found, say so and state any material limits of the review.
Learnt from: CR
Repo: yanhenrique-dev/Monocode-linux
Timestamp: 2026-09-30T04:29:21.825Z
Learning: Source excerpt:
# Inbox discussion instructions
## Review with evidence
- Separate confirmed defects from uncertainties and coverage gaps. Missing tests alone do not prove a bug. If no actionable defects are found, say so and state any material limits of the review.
morphicons 1.7.1 animates the two state toggles that already swap icons in one slot: pin/pin-off in the project rail and maximize/restore in the window controls. Off renders the same HugeiconsIcon markup as before. The flag is monocode.morphIconsEnabled, default off, persisted through the boot mirror like experimentalAnimations. The Experimental page gains a Morph icons row after the skills catalog.
The spike proves the four Tier 1 glyphs survive resampleIcon/buildPlan and that solid fills, groups, transforms, and foreign tags are rejected with a reason. The wrapper test pins byte-identical off markup and reducedMotion=user with the snappy spring when on. The page test pins the default-off toggle and its persistence; the store test pins mirror hydration; the search test pins the settings index entry.
…nounced CodeRabbit #289, both findings. - writeFlag already returns whether the write landed and saveMorphIconsEnabled ignored it, so a refused write still published the change: listeners got a value loadMorphIconsEnabled does not confirm, and the preference reverted on the next boot. The setter now returns false and stays quiet on failure, following saveAccentColor, which already does exactly this. The Experimental page moves its toggle only when the write returned true, so the switch cannot show a state the next boot will not read. New test fails without the guard, and saveMorphIconsEnabled joined the existing 'stays silent when persistence fails' case. - The 'swaps the endpoint when showAlt flips while on' test rendered once with showAlt=false and stopped, so it passed on a component that read showAlt at mount and ignored it afterwards -- the same shape as picking the right endpoint only once. It now re-renders on the same root with showAlt=true and expects the other glyph.
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What this is
Experimental, default off: morphicons 1.7.1 animates the two state toggles
that already swap icons in one slot. Pin/pin-off in the project rail, and
maximize/restore in the window controls. With the flag off, both render the
same
HugeiconsIconmarkup as before; the test pins that byte for byte.Part A — spike
src/chrome/morphIconCompatibility.test.tsruns the real Tier 1 glyphsthrough
resampleIcon+buildPlan: Pin, PinOff, Square, Copy01. All fourpass. The same file pins that the validator rejects a solid fill, a
<g>, atransform, and a foreign tag, each with its reason. A rejected Tier 1 glyphwould have stopped the PR; none was.
Two things the spike rests on: Hugeicons ships stroke-only
IconNodedata onthe 24 grid (README item 1–3;
@hugeicons/reactrendersviewBox="0 0 24 24"),and the catalog re-exports the same array references the components close
over, never clones, so the plan cache keeps working
(
docs/notes/morph-icons.md#tier1-glyph-refs).The flag
monocode.morphIconsEnabled, mirroringexperimentalAnimationsat all fourpoints: key and load/save in
appearance.ts,BOOT_MIRROR_KEYS, read, write,and parser in
bootMirror.ts, plus theAppearanceSettingsfield and itsfalsedefault. The mirror is what keeps the choice across launches; thenative file does not carry it, same as the animations flag. New row on the
Experimental page after the skills catalog, with en + pt-BR strings and a
settings-search index entry.
The wrapper
MorphIconlives insrc/chrome/icons.tsxrather than its own file: thedeep-import invariant allows
@hugeicons/reactonly in the catalog, and thefirst version tripped exactly that. On:
MorphIconfrommorphicons/reactwith
spring="snappy"andreducedMotion="user"fixed, never a prop —docs/motion.mdmakesprefers-reduced-motionthe off-switch, and thelibrary's
"never"default ignores the OS.size,strokeWidth,color,and
classNamepass through;strokeWidthkeeps the catalog default of1.75.
snappysettles inside the 120–180 ms band the motion tokens use. Hitch onWebKitGTK was not measured; if it shows, the fallback is
smooth, recordedin
docs/notes/morph-icons.md#spring-snappybefore any switch.Deliberately unchanged
The restore glyph stays
Copy. It reads odd, but it is inherited, andswapping it would change the visual identity. Only the transition is new.
Tiers 2 and 3
Tier 2 needs a decision first and is not in this PR: the composer stop
Squarerenders filled (fill-current,strokeWidth={0}), and filled glyphsdo not morph, so either stop goes stroke-only (a visual change) or the pair is
dropped. Fold/unfold are custom inline glyphs that must pass the spike first.
Tier 3 is out, with reasons in
docs/notes/morph-icons.md#icon-plan-tiers:pause/play sit in different slots, the sidebar chevrons swap via CSS hover
with no prop change, the jump-to-bottom chevron is static, the spinners are
continuous rather than binary, and the copy-to-check toggle does not exist in
the code. If it ever does, it is a natural Tier 1.
Evidence
npx vitest run: 291 files, 2994 tests, all passing. New: 6 spike, 3wrapper, 1 page, 3 appearance flag, 1 search, plus 1 line in the mirror
hydration test.
npx tsc --noEmit: clean.npm run check:web:tests: clean.npm run check:rust:cargo fmt --check,cargo clippy --workspace --all-targets -- -D warnings,cargo test— 423 passed, 0 failed. Rust isuntouched; this proves it.
npm run lint: warn-only; 18 errors, all pre-existing in files this PR doesnot touch (empty
catch {}blocks, useless escapes, control-char regexes).Zero errors in every file this PR adds or edits.
npm run knip: identical counts toorigin/main(1 file, 2 deps, 235exports) with zero mentions of morphicons, MorphIcon, or the glyph exports.
The dep is used by the wrapper; the core is used by the spike.
npm run check:version: 0.3.21-alpha across 13 pins.not found); the page test fails with the row removed (
Switch: Morph icons: expected undefined to be defined); each spike rejection fails against thecorresponding bad input.
Summary by CodeRabbit