fix(detail): TEXTUAL_REF_FALLBACK_TYPES carries both auto-number spellings

[yinlianghui]

Fixes#4219

The re-scoped half of the card: the editability symptom was closed by #4228's alias-aware exclusion (verified and pinned by #4244); what was still owed is the reference-fallback path, which no host gate sits in front of.

The defect, measured on the tip (post-#4244)

TEXTUAL_REF_FALLBACK_TYPES is matched by RAW spelling and carried auto_number only, while @objectstack/spec — and the designer, and the importer — spell the type autonumber. Its one ungated reader is InlineFieldInput's reference fallback, on exported public API:

const isLookupRef =
editType === 'lookup' || editType === 'master_detail' || editType === 'tree' ||
(!!field.reference_to && !TEXTUAL_REF_FALLBACK_TYPES.has(editType as string));

A field typed autonumber keeps a reference_to for relational metadata — which is the entire reason this set exists — so it took the lookup branch and rendered the record picker: a searchable list of records offered as replacements for a machine-generated identity. The auto_number spelling of the identical field rendered the textual fallback, as intended.

The fix is one member plus the rationale in the docblock, matching how plugin-form carries both spellings in each of its non-input sets (deriveMasterDetail.ts:40, :305).

Union survivability

The computed gate and the shared exclusion are a union (#3355). Before this change that union's survivability depended on which spelling the metadata used: autonumber was held by the exclusion gate alone, auto_number by both — so losing either gate would have re-opened a different half of the defect depending on how the field was authored. Both spellings are now members of the computed set, asserted directly on the set rather than described in prose.

Pins (InlineFieldInput.autonumberRefFallback.test.tsx, new file)

The picker and the terminal input both render an input, so every case queries by test id — lookup-trigger* for the picker, inline-plain-text-input for the fallback — rather than by a role heuristic that reads the two as the same thing.

case	before	after
autonumber + reference_to renders the textual fallback	RED — the record picker really did render	green
auto_number + reference_to unchanged (control)	green	green
a real lookup still gets the record picker (control, over-blocking)	green	green
both spellings in the set, and computed from either side of the union	RED	green

Reverse verification (git checkout origin/main -- fieldEnrichment.ts, re-run, restore — never git stash): predicted RED on exactly the two cases that read the set, with both controls staying green. Observed exactly that — Tests 2 failed | 2 passed (4), the failure on case 1 dumping the lookup-trigger button DOM. Restored and re-confirmed green.

Verification

• npx vitest run packages/plugin-detail/ — 72 files, 728 tests passed. The Inline edit still destroys array-valued and container field values on the detail page (the rest of the #4216 fall-through sweep) #4220 partition table in inlineEditTypeCoverage.test.tsx is unmoved: autonumber and auto_number were already in the excluded bucket (the exclusion gate put them there), so widening the computed gate adds no second claim.
• pnpm --filter @object-ui/plugin-detail type-check — clean.
• pnpm --filter @object-ui/plugin-detail lint — 0 errors (759 pre-existing warnings, none in the touched files).
• node scripts/check-control-bytes.mjs — OK, plus a direct control-byte scan of both touched files.
• Build closure pnpm --filter '@object-ui/plugin-detail^...' build ran before any of the above. No exported TYPE changed — this is a Set literal's contents — so no downstream consumer sweep was owed; the public surface is byte-identical.
• Changeset: @object-ui/plugin-detail patch.

Sweep, and one finding

Swept plugin-detail for sibling spelling-sensitive type sets. The auto-number family has no other gap here. One different family does, filed as #4250 rather than fixed in this PR: the spec spells richtext, and four sets across three packages spell it rich_text / rich-text (RelatedList's SKIP_TYPES, both autoLayout implementations, RecordDetailView's SECONDARY_FIELD_TYPES) — none of which any producer emits. It spans packages outside this card and carries a design call (whether markdown joins SKIP_TYPES, whether the dead spellings are dropped), and fixing only the plugin-detail halves would make the detail page and the form disagree about the same field.

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Project	Deployment	Actions	Updated (UTC)
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✅ Console Performance Budget

Metric	Value	Budget
Main entry (gzip)	28.3 KB	350 KB
Entry file	index-C1XGltIZ.js	—
Status	PASS	—

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📦 Bundle Size Report

Package	Size	Gzipped
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app-shell (runtime-config.js)	7.42KB	2.32KB
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plugin-gantt (index.js)	164.14KB	39.98KB
plugin-grid (index.js)	187.97KB	49.90KB
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types (http-retry.js)	4.32KB	2.02KB
types (index.js)	3.05KB	1.52KB
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types (objectql.js)	0.20KB	0.18KB
types (overlay.js)	0.20KB	0.18KB
types (permissions.js)	0.20KB	0.18KB
types (plugin-scope.js)	0.20KB	0.18KB
types (record-components.js)	0.20KB	0.19KB
types (record-semantics.js)	1.28KB	0.67KB
types (registry.js)	0.20KB	0.18KB
types (reports.js)	0.20KB	0.18KB
types (spec-report.js)	5.05KB	1.93KB
types (system-fields.js)	3.33KB	1.54KB
types (theme.js)	0.20KB	0.18KB
types (ui-action.js)	3.40KB	1.71KB
types (views.js)	0.20KB	0.18KB
types (widget.js)	0.20KB	0.18KB

Size Limits

• ✅ Core packages should be < 50KB gzipped
• ✅ Component packages should be < 100KB gzipped
• ⚠️ Plugin packages should be < 150KB gzipped