objectql: a function's bare-name read refuses with 409 naming both when the platform and one package hold the name (ADR-0150 D4) #32907

domain:server#4 · os-sales · session_01L6bhgWRcTEB3toGxnWvuvX

Found by the contract review of PR #32877 (card #32534, review record on that PR at bc9dbb61, should-fix S2). Pre-existing on main; not changed by that PR. The epic seat routed it here: a card, not an ADR note.

Filing gate: ② a contract-review finding routed by the epic seat. class: b · type: Hardening · Suggested-grade: p2 · lane: domain:server.

What is inconsistent

When the platform and exactly one package both hold a function name, a bare-name read by a caller with no package answers empty, or, while the last registration is still in place, answers whichever holder registered last (by order). ADR-0150 D4 says such a caller is refused with a 409 that names both holders, and red line 2 says a bare name is never answered by picking or dropping one holder. The bare read counts package holders only (the epic seat's R2-C reading covers how package holders are counted; it does not make "platform plus one package" answer empty).

The outcome fails closed and confers nothing, so this is a consistency fix, not a pick.

Do

• In both states (empty, and by order), a bare-name function read with the platform plus one package holding the name refuses with the same 409 shape as two packages, naming both holders.
• Also the cell where the platform becomes the last registrant of a name one package still holds (added by the epic seat's red-line read of PR fix(objectql, runtime): a function's bare-name record follows its holders — a re-bind releases the old owner's claim with the function, and the one remaining holder answers the bare read #32877): the same 409 naming both.
• Declare the moved answer (FROM empty → TO 409) with its Clause-② arm per AGENTS.md step 3.
• Turn the CONTROL pin PR fix(objectql, runtime): a function's bare-name record follows its holders — a re-bind releases the old owner's claim with the function, and the one remaining holder answers the bare read #32877 adds for this row ("current behaviour, see this card") into the new verdict.

Constraints

• Ruling A 6824698376: a disabled package is still a holder.
• No relaxation; anything refused today stays refused.

Reader who acts: packages/objectql/src/engine-hooks-and-functions.ts (bareFunctionEntry, the bare-name function read) and its tests; the holder records live in packages/objectql/src/registry.ts.
Dedupe: repo:objectstack-ai/objectstack is:issue is:open bare name function platform 409 → 12 hits; the top five (#32534, #30806, #31985, #31527, #31699) are the epic cards themselves, none on this row.

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