feat(form): let a select option carry an icon and a secondary text

[TommyLindh2]

Summary by CodeRabbit

• New Features

  • Select and multi-select options can display descriptions and icons defined in the form schema.
  • Options marked as read-only remain visible but cannot be selected.
  • Selected options retain their icons in the field display.
  • On mobile, rich options use the enhanced dropdown, while text-only options use the native selector.
  • Mobile typeahead supports matching options with icons.

• Documentation

  • Updated form example guidance for option descriptions, icons, and read-only behavior.

Why

A limel-form select is built from a oneOf (or, for a multi select, items.anyOf), and each alternative already controls more than its own text: readOnly: true on an alternative renders that option as disabled. That is genuinely useful — but it was the only piece of Option a schema could reach. A form could grey out an option without being able to say why, and limel-select has supported icons and secondary text on options for a long time.

Since we already let an alternative say "this one cannot be picked", letting it also carry the metadata that explains that seems like the natural next step.

What

createOption in src/components/form/widgets/select.ts is the single place every option — single and multi — passes through. It now fills in two more fields from the alternative's schema:

Option field	Comes from	Note
secondaryText	description	Plain JSON Schema; was ignored on an alternative until now
icon	lime.icon	Takes an IconName or the Icon interface, so it can be colored
disabled	readOnly	Unchanged

lime.icon is a new key on LimeSchemaOptions.

{
    type: 'string',
    title: 'Priority',
    oneOf: [
        {
            const: 'high',
            title: 'High Priority',
            description: 'Handle it today',
            lime: { icon: { name: 'notification_alert', color: 'rgb(var(--color-yellow-darker))' } },
        },
        {
            const: 'critical',
            title: 'Critical Priority',
            description: 'Can only be set by the support team',
            readOnly: true,
            lime: { icon: { name: 'error', color: 'rgb(var(--color-red-default))' } },
        },
    ],
}

From the docs example All built-in field types

Because the options are mapped before the selected value is looked up among them, the icon follows the selected option onto the trigger, and not only into the dropdown list.

Multi selects too

rjsf's ArrayAsMultiSelect builds its choices with optionsList(itemsSchema, …) and renders the same widget with multiple: true, so alternatives under items.anyOf / items.oneOf carry their sub-schema exactly like a single-value oneOf. Both paths go through the one conversion, and limel-select already renders option icons inline in the trigger for multiple values.

A plain enum is unchanged: rjsf gives those choices no sub-schema to read from, so they still get only a text and a value.

primaryComponent is deliberately left out — it takes a ListComponent, which needs its own story rather than a schema key.

Heads-up for reviewers

Mapping description to secondaryText is a visible change for anyone already setting description on an alternative, where it currently renders nothing. I grepped lime-crm-components for that shape and found no occurrences, so I believe the blast radius is nil, but it is worth a second pair of eyes.

Tests

Three new tests in form.e2e.tsx: a oneOf mapping to options, an anyOf array mapping to multi options, and one asserting the icon survives onto select.value so the trigger can render it.

The example (limel-example-builtin-field-types-form) now shows icons, secondary texts, and one readOnly option on its select and multi-select fields, so the behavior is visible in the docs.

npm run lint and npm run build are clean. form.e2e.tsx runs 61 tests with 59 passing; the two failures (keeps a cleared field empty when the schema declares a default and … when another field is cleared afterwards) reproduce identically on a clean main — 58 tests, same two red — so they are pre-existing and unrelated.

Review:

• Commits are atomic
• Commits have the correct type for the changes made
• Commits with breaking changes are marked as such

Browsers tested:

(Check any that applies, it's ok to leave boxes unchecked if testing something didn't seem relevant.)

Windows:

• Chrome
• Edge
• Firefox

Linux:

• Chrome
• Firefox

macOS:

• Chrome
• Firefox
• Safari

Mobile:

• Chrome on Android
• iOS

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📝 Walkthrough

Walkthrough

Form schemas now support icons, descriptions, and read-only states for oneOf and anyOf options. Select widgets map this metadata to rendered options. Mobile selects use the custom dropdown when options contain rich content.

Changes

Form option metadata

Layer / File(s)	Summary
Option metadata contracts and schemas src/components/form/form.types.ts, src/components/form/form.test-schemas.ts, src/components/form/examples/*	Adds the LimeSchemaOptions.icon type. Example and test schemas define descriptions, icons, and read-only options for oneOf and anyOf.
Option metadata mapping src/components/form/widgets/select.ts	Maps schema descriptions to secondaryText, icons to icon, and readOnly to disabled.
Rich-option mobile rendering src/components/select/select.tsx, src/components/select/select.e2e.tsx	Uses the custom dropdown on mobile when options contain a primary component, secondary text, or an icon. Tests cover each condition and typeahead behavior.
Metadata behavior validation src/components/form/form.e2e.tsx	Tests metadata mapping for select and multi-select options, including selected-option icons.

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant FormSchema
  participant SelectWidget
  participant SelectControl
  participant MobileDropdown
  FormSchema->>SelectWidget: Provide option description, icon, and readOnly
  SelectWidget->>SelectControl: Create secondaryText, icon, and disabled
  SelectControl->>SelectControl: Detect rich options
  SelectControl->>MobileDropdown: Render custom dropdown when rich content exists

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Suggested reviewers: adrianschmidt

Merge Risk: ⚪ Minimal · up to de4c0

Rich mobile select options retain custom-dropdown behavior without the prior automatic-selection regression. The change is ready to merge.

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✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: adding icon and secondary text support to form select options.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 8 files.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Documentation has been published to https://lundalogik.github.io/lime-elements/versions/PR-4289/

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Actionable comments posted: 1

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Inline comments:
In `@src/components/select/select.tsx`:
- Line 744: Update getFirstNativeAutoSelectOption() so it only returns an option
when shouldRenderNative() is true; otherwise return no auto-selection. Preserve
the existing native eligibility checks and openMenu() behavior for actual
native-rendering cases.

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Consolidated PR Review

PR Summary

Lets an alternative in a oneOf / anyOf carry two more pieces of Option: its description becomes the option's secondaryText, and a new lime.icon key becomes the option's icon. A second commit widens limel-select's mobile check so that any option carrying an icon or a secondary text keeps the custom dropdown instead of falling back to a native <select> that would silently drop them. 9 files, +284 / −34, with three new form tests and a restructured mobile-dropdown suite.

Merge Readiness — MERGE WITH CAVEATS ⚠️

The feature itself is clean and lands in exactly one place, and the mobile change fixes a real silent failure. But the second commit breaks an assumption two other methods still rely on: setMenuFocus() and handleTypeaheadKey() both return early on isMobileDevice, believing mobile always means a native <select>. That is no longer true, so a phone user with icon-bearing options now gets a dropdown nothing ever focuses. The fix is the same two-line substitution the PR already makes at select.tsx:487.

• Blockers: None that open a new defect class — main already has this focus gap for options with a primaryComponent. But Top Recommendation 1 widens it from a rare case to a common one for a two-line cost, and should land before merge.
• Non-blocking but worth addressing: see Top Recommendations at the end.

---

Dimensions

Each dimension is a short summary. Issues are briefly named here with a pointer to Top Recommendations below, which carries the full Where / What / Why.

1. Backward Compatibility — FAIR ⚠️

The published type surface is purely additive, but a large group of existing consumers is routed onto a mobile path whose focus management was never finished.

What works well: one added optional property in etc/lime-elements.api.md, nothing removed or narrowed; IconName degrades to string unless a consumer augments IconNameRegistry, so no existing schema stops compiling; the description blast radius was independently re-checked across lime-crm-components, lime-crm-building-blocks and lime-webclient and came back empty, matching the author's own grep.

Issues:

• 🔴 [High] Mobile focus and typeahead still assume a native dropdown (src/components/select/select.tsx:294, :600). Options with an icon now render the custom dropdown on a phone, where focus is never moved into the list and typeahead is skipped. See Top Recommendation 1 below for the fix.
• 🟡 [Medium] An auto-select change event silently stops firing on mobile (src/components/select/select.tsx:486-489). Correct behaviour, but no test pins it and no changelog line announces it. See Top Recommendation 6.
• 🟡 [Medium] The second commit is typed feat but is a fix by the repo's own rule (src/commits-and-prs.md:104-135). See Top Recommendation 7.
• 🟡 [Medium] The description remapping — the most consumer-visible change here — will not appear in the changelog at all (commit.hbs). See Top Recommendation 8.
• 🟡 [Medium] lime.icon is documented as if it applied anywhere, and collides with the existing lime.layout.icon (src/components/form/form.types.ts:218-221). See Top Recommendation 3.

Minor nits:

• 🔵 Every emitted Option now always carries secondaryText and icon keys, taking Object.keys().length from 3 to 5 — traced through JSON.stringify, toEqual and the widget's value conversion, with no consumer-visible break (src/components/form/widgets/select.ts:88-94).

2. Code Quality — GOOD ✅

A focused change with real tests and no regressions; the rough edges are naming, an overstated comment, and a hand-rolled type.

What works well: the change is concentrated in createOption, genuinely the single funnel both single and multi selects pass through, so one three-line change covers both; the renderOnMobile helper in select.e2e.tsx removes four copies of the same boilerplate; and the optionsWithPrimary fixture is still referenced by the with a primary component block, so the restructuring left no dead code behind.

Issues:

• 🟡 [Medium] The new computeHasRichOptions comment claims a completeness the code does not have — separators are excluded before the check runs (src/components/select/select.tsx:747-760). See Top Recommendation 5.
• 🟡 [Medium] EnumOption hand-rolls a type @rjsf/utils already exports as EnumOptionsType<S> (src/components/form/widgets/select.ts:66-75). See Top Recommendation 9.
• 🟡 [Medium] description is repurposed as secondaryText with no opt-in, unlike lime.icon (src/components/form/widgets/select.ts:90). See Top Recommendation 4.
• 🟡 [Medium] The new lime.icon key is documented in one vague line (src/components/form/form.types.ts:218-221). See Top Recommendation 3.

Minor nits:

• 🔵 hasRichOptions / computeHasRichOptions name a value judgement rather than the criterion; optionsNeedCustomDropdown would carry the rule, and the dropped Memo suffix was the only hint the field is cached (src/components/select/select.tsx:140, :744).
• 🔵 "keeps the icon on the selected option, so the trigger can render it" never touches the trigger — findValue returns the same object the previous test already checked, so the assertion is close to tautological (src/components/form/form.e2e.tsx:186-204).
• 🔵 The multi-select trigger goes through a different path (renderOptionWithIcon, select.template.tsx:383-407) and has no coverage.
• 🔵 The secondaryText: undefined / icon: undefined entries in the new toEqual objects assert nothing — toEqual ignores undefined-valued keys.
• 🔵 No test pins the "a plain enum is unaffected" claim; one expect(select.options).toEqual([...]) against enumSchema would lock it in (src/components/form/form.e2e.tsx:82-90).
• 🔵 describe('choosing the dropdown on a mobile device') is nested inside describe('limel-select (menu)') but its first test asserts the native dropdown, so a native failure gets attributed to the menu suite (src/components/select/select.e2e.tsx:472).

3. Architecture — GOOD ✅

The layering is right — one conversion point in the form widget, and the "can a native <select> show this?" decision moved into limel-select where it belongs.

What works well: the single createOption funnel keeps the two rjsf code paths from drifting; no form knowledge leaks into limel-select and no select rendering knowledge leaks into the widget; typing EnumOption.schema as FormSchema rather than Record<string, unknown> is what makes the whole mapping type-safe; and having getFirstNativeAutoSelectOption() guard on shouldRenderNative() fixes a latent bug on main.

Issues:

• 🟡 [Medium] lime.icon is option-scoped but lives in the field-scoped LimeSchemaOptions, beside an existing field icon (src/components/form/form.types.ts:218-221). See Top Recommendation 3.
• 🟡 [Medium] description → secondaryText is unconditional with no way for a schema to opt out (src/components/form/widgets/select.ts:91). See Top Recommendation 4.
• 🟡 [Medium] Separators still slip past the new "native cannot render this" rule (src/components/select/select.tsx:747-760). See Top Recommendation 5.

Minor nits:

• 🔵 The list of "not natively renderable" fields in computeHasRichOptions is a second copy of what renderOption supports, with nothing enforcing they stay in sync (select.tsx:753-760 vs select.template.tsx:253-268).
• 🔵 Each further Option field pulled from the schema costs one key in LimeSchemaOptions, one line in createOption, and possibly one in computeHasRichOptions — linear rather than free, though acceptable at this size.

4. Security — GOOD ✅

Both new schema-to-DOM paths are safe as rendered, and everything the PR newly exposes was already reachable from a schema through wider channels.

What works well: secondaryText is interpolated as a JSX child and a reflected attribute only — no innerHTML, no markdown, no concatenated title or aria-label on that path; icon colours reach the DOM through Stencil's style accessor (setProperty()), so a crafted colour cannot escape the style context, and neither color nor background-color accepts url(), which closes the CSS exfiltration angle.

Issues:

• 🟡 [Medium] A schema can name an arbitrary same-origin URL that is fetched and injected with innerHTML (src/components/form/widgets/select.ts:91 → src/components/icon/icon.tsx:99). See Top Recommendation 10.

Minor nits:

• 🔵 The new example presents readOnly as access control ("Can only be set by the support team"), but it only sets disabled — ajv treats readOnly as an annotation, so the value still validates if submitted (src/components/form/examples/builtin-field-types-schema.ts).
• 🔵 limel-select rebuilds the icon as {name, color} in createMenuItems, dropping Icon.title and Icon.backgroundColor before they reach list-item's aria-label and background style — incidental rather than deliberate, since LimeSchemaOptions.icon is typed as the full Icon interface.

5. Observability — GOOD ✅

The PR removes a real silent failure and does not introduce one, but the new schema key is silently ignored everywhere except one position.

What works well: the mobile change means the configuration a consumer wrote is actually rendered rather than quietly dropped; the rename plus new JSDoc makes the intent legible; and the form tests pin the full mapping including the undefined cases, so a regression in createOption fails a test rather than losing an icon.

Issues:

• 🟡 [Medium] lime.icon type-checks anywhere and does nothing almost everywhere, with no warning — while the form already warns for the equivalent mistake in fields/schema-field.ts:49-64 (src/components/form/widgets/select.ts:85-95). See Top Recommendation 3.
• 🟡 [Medium] A misspelled icon name renders nothing and logs an unhandled rejection that never names the icon (src/components/icon/icon.tsx:70-78). See Top Recommendation 11.

Minor nits:

• 🔵 triggerIconColorWarning fires only from componentDidLoad, so a deprecated iconColor arriving in a later options array is never reported — the existing @Watch('options') could carry it (src/components/select/select.tsx:209-213).
• 🔵 Checked and clear: the schema-driven icon path cannot provoke that warning, since createOption sets icon only and LimeSchemaOptions.icon has no route to Option.iconColor.

6. Performance — FAIR ⚠️

The added per-option work is genuinely negligible and the bundle cost is zero, but the mobile switch is triggered by a keyword existing schemas already use.

What works well: the new checks in computeHasRichOptions are plain property reads with no allocation, and they short-circuit earlier than the version on main, which almost always scanned the whole list to return false; getIconName costs zero bundle bytes, since select.template.tsx already imports from that module in the same chunk; and the shouldRenderNative() guard removes a spurious change event and the render cascade behind it.

Issues:

• 🔴 [High] Mobile forms lose the native picker without opting in, and the replacement is built at page load with no windowing (src/components/form/widgets/select.ts:91 + src/components/select/select.tsx:753-760). See Top Recommendation 2.
• 🟡 [Medium] Each icon-bearing option re-parses its SVG, because the CacheStorage icon cache memoizes nothing (src/global/icon-cache/cache-storage-icon-cache.ts:21-33). See Top Recommendation 12.
• 🟡 [Medium] Option identity churn from the form widget forces a full re-render and an O(N) MDCList rebuild, now on mobile too (src/components/form/widgets/select.ts:20-21). See Top Recommendation 13.

Minor nits:

• 🔵 hasRichOptions goes stale on in-place mutation of the options array, since Stencil fires @Watch only on reference change — the same hole main had, but more now depends on it (src/components/select/select.tsx:148-151).
• 🔵 Every render() reads --dropdown-z-index via getComputedStyle, forcing a style recalculation on the same path the PR now routes mobile traffic through (src/components/select/select.tsx:250-252).

---

Top Recommendations

1. 🔴 [High from Backward Compatibility] — Mobile focus and typeahead still assume a native dropdown
   Introduced by this PR (widens a gap main already has for primaryComponent). Recommended: Fix in this PR.

   • Where: src/components/select/select.tsx:294 (setMenuFocus) and :600 (handleTypeaheadKey)
   • What: Both guards bail out on this.isMobileDevice. Gate them on !this.shouldRenderNative() instead — the exact substitution the PR already makes at line 487 — and fix the comment at line 596, which states the now-false assumption outright ("The native dropdown on mobile devices does its own typeahead").
   • Why: A consumer who has shipped icons on a limel-select for years goes, on Android and iOS, from the OS picker with platform focus and screen-reader handling to a list rendered into a portal at the end of document.body that nothing ever focuses; limel-menu-surface and limel-portal have no focus handling of their own to compensate.

2. 🔴 [High from Performance] — The custom dropdown that replaces the native picker is built at page load and never windowed
   Introduced by this PR. Recommended: Fix in this PR — at minimum decide deliberately whether secondaryText alone should disqualify the native path.

   • Where: src/components/form/widgets/select.ts:91 combined with src/components/select/select.tsx:753-760; mount path at src/components/select/select.template.tsx:198-229
   • What: Either stop letting secondaryText alone force the custom dropdown, or defer mounting limel-list in MenuDropdown until the dropdown has been opened once.
   • Why: The custom path is not lazy — limel-menu-surface renders its slot content regardless of open, so the whole list is created at page load even if the user never taps the select. Each option costs one limel-list-item (two crypto.randomUUID() calls in its constructor, ~8 reflected attributes) plus a limel-icon with its own shadow root. For a 200-option select that is roughly 400 custom-element upgrades at load against 200 plain <option> nodes drawn by the OS before. For a typical 5-to-10-option form select the absolute cost is trivial; the concern is that nothing bounds N and nothing asks the consumer first.

3. 🟡 [Medium from Backward Compatibility, Architecture, Code Quality and Observability] — lime.icon is documented in one vague line, scoped ambiguously, and collides with lime.layout.icon
   Introduced by this PR. Recommended: Fix in this PR — it is published API surface, so it is the one part of this change that is expensive to correct later.

   • Where: src/components/form/form.types.ts:218-221, read at src/components/form/widgets/select.ts:92; collides with RowLayoutOptions.icon at form.types.ts:313-317, read at src/components/form/row/row.tsx:73
   • What: The docstring is just "Displays an icon." Say that the key applies to an alternative inside a oneOf / anyOf rendered as a select option and has no effect on a field schema, and cross-reference lime.layout.icon. Consider nesting it as lime.option.icon so the namespace carries the level. Separately, Select.render() already reads the parent schema at select.ts:30, so a console.warn there when props.schema.lime?.icon is set would cover both the parent-field and the plain-enum mistakes in a few lines.
   • Why: Every other key in LimeSchemaOptions describes the field the node renders, and lime.layout.icon already means "the field's icon" with a different type (string, not IconName | Icon). examples/row-layout-schema.ts:35-41 already contains a field using lime.layout.icon that also has a oneOf — exactly the schema where an author picks the wrong icon and gets no icon, no type error, and no console output.

4. 🟡 [Medium from Architecture and Code Quality] — description becomes visible UI text with no opt-out
   Introduced by this PR. Recommended: Fix in this PR — the decision is one line, and reversing it after release is a second behaviour change on the same key.

   • Where: src/components/form/widgets/select.ts:90-91
   • What: lime.icon is an explicit opt-in key; description is a standard JSON Schema keyword existing schemas may already carry on alternatives purely as documentation. Either source the secondary text from lime.* as the icon is, or accept the mapping and say so explicitly in the release notes.
   • Why: Affected schemas start rendering that text under every option and — through computeHasRichOptions — also flip from the native mobile picker to the custom menu, with no way to suppress either short of deleting the description. Worth noting the risk was independently confirmed to be small: no description on a const alternative was found in lime-crm-components, lime-crm-building-blocks or lime-webclient, and rjsf 6's MultiSchemaField builds its options with no schema key, so the object-alternative picker is untouched.

5. 🟡 [Medium from Architecture and Code Quality] — Separators slip past the rule the PR just wrote
   Pre-existing, but the PR's new comment claims to cover it. Recommended: Fix in this PR if the fix is the comment; better as a follow-up PR if it is <optgroup> support — that is a rendering feature, not a one-liner.

   • Where: src/components/select/select.tsx:747-760 against src/components/select/select.template.tsx:231-234
   • What: The new comment says "Any option that carries more than that forces the custom dropdown", but the check runs over getOptionsExcludingSeparators(), and NativeDropdown filters separators out too. Either narrow the comment to say it checks per-option fields only, or add a separator check to the condition.
   • Why: A ListSeparator carries a text label the native <select> silently drops — exactly the failure mode this PR exists to fix — so limel-example-select-with-separators still loses its grouping on a phone, and a reader who trusts the comment will assume otherwise.

6. 🟡 [Medium from Backward Compatibility] — An auto-select change event silently stops firing on mobile, with no test
   Introduced by this PR. Recommended: Fix in this PR — add the test; the behaviour change itself is correct.

   • Where: src/components/select/select.tsx:486-489
   • What: Add a test rendering with data-native plus an icon-bearing option, asserting no auto-select change is emitted.
   • Why: On main, a mobile single select emitted the first option as a change the moment the user focused it; now any select with an icon or secondary text does not. The whole describe('limel-select (native)') auto-select suite uses text-only options, so nothing pins the new behaviour, and neither commit message mentions it.

7. 🟡 [Medium from Backward Compatibility] — The second commit is typed feat but is a fix
   Introduced by this PR. Recommended: Fix in this PR — the fixup commits already force an autosquash, so the retype is free.

   • Where: commit feat(select): use the menu dropdown on mobile for options a native one cannot show, against src/commits-and-prs.md:104-135
   • What: Retype it as fix(select).
   • Why: The repo's own rule is "can a consumer write a line of code today that they could not write yesterday?" They cannot — icon and secondaryText were always writable, just silently ignored on mobile, and the doc lists "a prop being ignored" as the textbook fix. It decides a minor versus a patch bump, and whether the entry lands under "Features" or "Bug Fixes", which is where a consumer wondering why their mobile select changed will look.

8. 🟡 [Medium from Backward Compatibility] — The most consumer-visible change in the PR will not reach the changelog
   Introduced by this PR. Recommended: Fix in this PR.

   • Where: commit feat(form): let a select option carry an icon and a secondary text; template at commit.hbs
   • What: commit.hbs renders only the commit subject. Either name the description mapping in the subject, or split it into its own commit so it earns its own changelog line.
   • Why: The heads-up about description suddenly rendering exists only in the PR description, which no upgrading consumer reads — and src/commits-and-prs.md:34 states exactly this rule about changes hiding inside a commit.

9. 🟡 [Medium from Code Quality] — EnumOption hand-rolls a type rjsf already exports
   Introduced by this PR. Recommended: Fix in this PR — it is a one-line swap that keeps the useful JSDoc.

   • Where: src/components/form/widgets/select.ts:20, 66-75
   • What: Use type EnumOption = EnumOptionsType<FormSchema>. @rjsf/utils exports it with exactly these three fields (node_modules/@rjsf/utils/lib/types.d.ts:867), and every other file in src/components/form/ imports its rjsf types rather than redeclaring them.
   • Why: A duplicated structural type drifts silently on the next rjsf upgrade. Two knock-on details: the hand-rolled value: string is narrower than rjsf's value: any, so a numeric enum handing a number into Option.value — which option.types.ts:25-29 explicitly forbids — type-checks as fine; and since enumOptions is optional in rjsf's type, the as EnumOption[] assertion hides that .map would throw if the widget is forced onto a non-enum field via ui:widget: 'select'. A ?? [] would cost nothing. Both match what as any[] already did, so neither is new.

10. 🟡 [Medium from Security] — A schema can name an arbitrary same-origin URL that is fetched and injected with innerHTML
    Introduced by this PR as a new entry point; the root cause is pre-existing and untouched. Recommended: Better as a follow-up PR — the fix belongs in limel-icon or getIconName, which this PR does not otherwise modify.

    • Where: src/components/form/widgets/select.ts:91 → src/components/list-item/list-item.tsx:216-248 → src/global/icon-cache/cache-storage-icon-cache.ts:72-79 → src/components/icon/icon.tsx:99
    • What: The icon name is interpolated unvalidated into `${iconPath}assets/icons/${name}.svg`, the response is checked only for "parses as SVG", then assigned to container.innerHTML. Reject anything that is not [a-z0-9_-]+ before it reaches limel-icon.
    • Why: A schema value of "../../attachments/9f3c1/payload.svg?" resolves to an arbitrary same-origin path — the trailing ? pushes the appended .svg into the query string — so on a host serving user-uploaded files from the app origin, the fetched SVG is injected via innerHTML, where <animate onbegin=…> executes. It cannot reach a foreign origin. This is not a new class of exposure: row.tsx:27-31 already feeds lime.layout.icon straight into limel-icon, and fields/schema-field.ts:50-80 lets a schema render any registered custom element with any props.

11. 🟡 [Medium from Observability] — A misspelled icon name renders nothing and logs a rejection that never names the icon
    Pre-existing in limel-icon, but the exposure is widened by this PR. Recommended: Better as a follow-up PR — the fix is in the icon cache modules, which this PR does not touch.

    • Where: src/components/icon/icon.tsx:70-78; src/global/icon-cache/in-memory-icon-cache.ts:30-55; src/global/icon-cache/cache-storage-icon-cache.ts:33-42
    • What: Add a catch in loadIcon that warns with the name and the resolved assets/icons/<name>.svg path.
    • Why: loadIcon awaits loadSvg with no catch, so a 404 surfaces as a bare Uncaught (in promise) Error: Invalid SVG with no icon name, the outer promise never resolves, and the limel-icon stays an empty container — and the cache-storage variant memoizes the rejected promise, making it sticky for the page's lifetime. IconName degrades to plain string unless the consuming app augments IconNameRegistry, so lime: { icon: 'organisation' } against the example's organization compiles fine.

12. 🟡 [Medium from Performance] — Each icon-bearing option re-parses its SVG, because the CacheStorage icon cache memoizes nothing
    Pre-existing, amplified by this PR. Recommended: Better as a follow-up PR — the fix is in an icon-cache module unrelated to what this PR touches.

    • Where: src/global/icon-cache/cache-storage-icon-cache.ts:21-33, :45-58
    • What: Memoize the resolved string by name, as InMemoryIconCache already does at in-memory-icon-cache.ts:19-25.
    • Why: get() does a cache.match(), a response.text(), a replaceAll over the whole SVG string and a full DOMParser parse on every call, and caches is the branch taken in any secure context. Before this PR a mobile select with icons instantiated zero limel-icons; now it instantiates one per option.

13. 🟡 [Medium from Performance] — Option identity churn forces a full re-render and an O(N) list rebuild, now on mobile too
    Pre-existing, extended to the mobile path by this PR. Recommended: Better as a follow-up PR — the fix is a caching change in the widget with its own correctness questions.

    • Where: src/components/form/widgets/select.ts:20-21; src/components/select/select.template.tsx:199; src/components/list/list.tsx:151-178
    • What: Cache the mapped array against the enumOptions reference so options is not reassigned when nothing changed.
    • Why: enumOptions.map(createOption) builds a fresh array of fresh objects on every React render, firing all three @Watch('options') handlers and making limel-list tear down and reconstruct MDCList in a setTimeout. Typing in an unrelated field re-renders every widget, so a rich mobile select now pays an O(N) relayout per keystroke where it previously re-rendered a cheap native <select>. createOption adding two keys is not itself a cost — the object shape is more uniform now.

[TommyLindh2]

Thanks @Kiarokh! I went through all 13 and picked the one I think genuinely belongs in this PR: Top Recommendation 1. Fixed in de4c00c.

What was wrong

My second commit made "mobile" stop meaning "native <select>", but two methods still equated the two:

• setMenuFocus() (select.tsx:294) bailed out on this.isMobileDevice, so a phone rendering the custom dropdown got a list that nothing ever focused.
• handleTypeaheadKey() (select.tsx:600) did the same, and its comment stated the now-false premise outright.

Both now gate on shouldRenderNative() instead — the exact substitution the PR already makes at line 487. They're coupled, so fixing one without the other would have done nothing: typeahead stores a pendingTypeaheadIndex that only setMenuFocus consumes.

Two tests in the typeahead block pin it, using icon-bearing options plus data-native: one asserts the dropdown opens on typing, one asserts the match actually receives focus. Both fail if I revert select.tsx and keep the tests. The existing leaves typeahead to the native dropdown on mobile test stays green, since its options are text-only.

Note this also closes the same gap for multi-selects on mobile, which have always used the custom dropdown and never had focus moved into it.

Why not the others

• 2 (perf) — speculative. It's about a hypothetical 200-option form select; nothing in the codebase suggests that shape, and the fix it proposes (lazy-mounting limel-list) is a limel-menu-surface change well outside this PR.
• 4 (description opt-out) — this is the deliberate design decision the PR is built on, already discussed above with @adrianschmidt and confirmed to have an empty blast radius across lime-crm-components, lime-crm-building-blocks and lime-webclient.
• 3, 5, 9 — reasonable polish, but each is a design discussion (naming lime.option.icon, <optgroup> support for separators, swapping in rjsf's EnumOptionsType) rather than a defect. Happy to take any of them if you'd like them here.
• 10–13 — all pre-existing, in limel-icon and the icon-cache modules this PR doesn't touch. Worth their own issues.
• 6, 7, 8 — changelog/commit-type bookkeeping. I'm not convinced by 7: fix vs feat is arguable, since the mobile commit does make a previously-unavailable combination work.

Let me know if you disagree on any of those and I'll pick them up.

[TommyLindh2]

@Kiarokh now I've addressed the AIs comments and it's up-to-date with main and PR checks are green

[Kiarokh]

🤖 AI-generated review from 6 parallel agents at commit 27bccf649. Treat as input, not a verdict — agents can be wrong or miss context. Nothing in the PR has been changed by this review.

Consolidated PR Review

PR Summary

Review tier: Full — 376 changed lines across 9 files after noise filtering. Six reviewers ran: four on Opus (Backward Compatibility, Code Quality, Observability, Performance) and two on Fable (Architecture, Security), with a Fable coordinator.

The PR lets an alternative in a form schema's oneOf / anyOf carry two more pieces of a select option: its description becomes the option's secondaryText, and a new lime.icon key becomes its icon. A second commit makes limel-select keep its custom dropdown on mobile whenever any option has an icon, a secondary text or a primary component, since a native <select> cannot show those, and routes focus and typeahead through the same decision. 2 commits, 9 files, +337/−39 lines.

Points the author already answered in the earlier review round — the lime.icon naming and docstring, the description mapping, EnumOption versus rjsf's EnumOptionsType, separators and the new comment, the feat / fix typing, the changelog line and the auto-select test — have been dropped rather than repeated. What follows is what is left after that.

Merge Readiness — READY TO MERGE ✅

The PR is strictly better than main: the mapping is additive, the mobile change turns a silent drop into visible output, and the focus and typeahead gap flagged in the earlier review is closed in de4c00c2c, with two tests that fail without it. No High or Medium findings remain — the earlier round's items were either fixed or answered by the author with reasons, and what is left is a short list of minor nits under each dimension.

• Blockers: None
• Non-blocking but worth addressing: nothing that rises to a Top Recommendation; see the Minor nits under each dimension.

---

Dimensions

Short summaries. No issue in this round points to a Top Recommendation.

1. Backward Compatibility — GOOD ✅

The published surface is purely additive, and the one mobile behaviour change that reaches consumers was settled with the author in the previous round.

What works well: one optional property added in etc/lime-elements.api.md, nothing removed or narrowed; setMenuFocus and handleTypeaheadKey now both gate on shouldRenderNative(), so the High from the earlier review is genuinely closed; and both dropdown paths emit the original Option object, so consumers comparing by identity see no change when a select switches from native to menu.

Issues: None.

Minor nits:

• 🔵 A required mobile select loses its empty placeholder option once any option is rich, because createMenuItems filters it out while NativeDropdown rendered it — matches desktop behaviour, so not a regression (src/components/select/select.template.tsx:350-368 vs :238-256).

2. Code Quality — GOOD ✅

A focused change with real tests; what is left is assertion polish in the new test blocks.

What works well: the whole mapping sits in createOption, the single point both single and multi selects pass through; the renderOnMobile helper collapses four copies of render boilerplate into a readable table of cases; and the two new mobile typeahead tests fail without the fix, so they pin real behaviour.

Issues: None.

Minor nits:

• 🔵 The four "falls back to the menu dropdown" cases only assert the native <select> is absent, so they would also pass if nothing rendered; asserting the custom trigger is present would close that (src/components/select/select.e2e.tsx:472-543).
• 🔵 No test asserts select.options for the plain-enum path the PR says is unaffected, though enumSchema already exists as a fixture (src/components/form/form.e2e.tsx:126-157, form.test-schemas.ts:24-32).
• 🔵 secondaryText: undefined and icon: undefined in the expected objects assert nothing, since toEqual ignores undefined-valued keys (src/components/form/form.e2e.tsx:134-157, :168-184).

3. Architecture — GOOD ✅

The layering is right — one conversion point in the widget, and the "can native show this?" decision inside limel-select.

What works well: createOption serves both the oneOf path and the items.anyOf path, so the two rjsf routes cannot drift; no form knowledge leaks into the select and no rendering knowledge leaks into the widget; and shouldRenderNative() is now the single gate for all four mobile-sensitive call sites, replacing three isMobileDevice checks that had drifted apart.

Issues: None.

Minor nits:

• 🔵 What a native <select> can render is defined twice — in computeHasRichOptions and in the template's renderOption — with nothing tying the lists together, so the next Option field has to be mirrored by hand (src/components/select/select.tsx:755-762, select.template.tsx:260-275).
• 🔵 The key is typed IconName | Icon, but every rendering path in limel-select rebuilds the icon as { name, color }, so Icon.title and Icon.backgroundColor written in a schema are silently dropped — same as Option.icon today, so it follows convention (src/components/select/select.template.tsx:303-349, :390-412, :416-441).

4. Security — GOOD ✅

Both new schema-to-DOM paths are safe as rendered, and the PR opens no new class of exposure.

What works well: description reaches the DOM only as a JSX text child, never through innerHTML, a title attribute or a concatenated aria-label; icon colours go through Stencil style objects that set single CSS properties and cannot load external resources; and the pre-existing icon-name-to-URL path was already reachable through lime.layout.icon and lime.component, and the author has deferred it to its own issue.

Issues: None.

Minor nits:

• 🔵 The example labels a readOnly: true option "Can only be set by the support team", but readOnly only disables the row; the validator has no readOnly handling, so the value still validates if it arrives programmatically, and enforcement has to live server-side (src/components/form/examples/builtin-field-types-schema.ts:113-121).

5. Observability — GOOD ✅

The PR removes a silent failure on mobile: an icon or secondary text a consumer configured is rendered instead of dropped.

What works well: the rename to hasRichOptions plus the corrected comment in handleTypeaheadKey no longer asserts the now-false "mobile means native"; the form tests fail rather than lose an icon if createOption regresses; and no schema content or user input reaches the console.

Issues: None.

Minor nits:

• 🔵 triggerIconColorWarning runs only from componentDidLoad, so a deprecated iconColor arriving in a later options array is never reported — the @Watch('options') the PR adds sits right beside where it could run (src/components/select/select.tsx:209-212, select.template.tsx:463-471).

6. Performance — GOOD ✅

No regressions: the new check has the same cost profile as the one it replaces and short-circuits sooner.

What works well: computeHasRichOptions adds only property reads and stops at the first rich option, where the old predicate almost always scanned the whole list to return false; getIconName costs no bundle bytes since the template already imports it from the same chunk; and guarding getFirstNativeAutoSelectOption on shouldRenderNative() removes a spurious change emit and the re-render it triggered.

Issues: None.

---

Top Recommendations

No significant issues found. Everything this round would otherwise have listed was either fixed in de4c00c2c or answered by the author in the previous round; the remaining observations are the Minor nits under each dimension.

[lime-opensource]

🎉 This PR is included in version 40.4.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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