FA-22930 / Autocomplete interactions / Member archive

External text autofill in autocomplete: external replacement does not schedule suggestions for new text · case 05

The query-trigger completion transition produces an incorrect observable state.

Member previewVariant 5 · 3 implementations · 22 checks per implementation

Case contract

Externally replaced input text is reconciled as draft text. It commits an identifier only for one exact eligible label match, never from old highlight or fuzzy matching. Ambiguous labels retain unresolved draft, and the replacement invalidates previous suggestion requests and ghost text.

Why this case matters

Autocomplete couples draft text, suggestion identity and asynchronous presentation; this bounded lifecycle model isolates one observable interaction defect.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
normal query-trigger	`{"epoch": 6, "query": "pe"}`	`{"epoch": 6, "query": "Pear"}`	Failed

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