reader program 4/4 — @objectstack/plugin-security: the app default permission set reads config.permissions #15007

Part of #14122 · blocks #14512 · Blocked-by: #15004 (the acceptance probe).

Reader half of the program ruled on #14512 (comment 5528589044, maintainer 2026-09-03, batch #23). The artifact stays additive through this card.

The site

One reader, one line:

Reached from packages/cli/src/commands/serve.ts:3710 via appSecurityPluginOptions(config).

Why it is its own card despite being one line

This is the site that both earlier enumerations missed, and it is the reason the program is scoped the way it is. The first pass scoped itself to "@objectstack/runtime and @objectstack/cli" and stated that as its boundary; this reader is in neither. It was found only by the second, wider measurement (comment 5523741937).

It is separated rather than folded into card 3/4 because the ruling requires each site to be separately reviewable and revertible, and because a third package in the blast radius is exactly the fact a reviewer should see rather than have buried in a cli-scoped diff.

⚠️ The ADR-0056 D7 permission surface this feeds is also fed from the artifact side by createStandaloneStack (packages/runtime/src/standalone-stack.ts:791, card #15005). The two paths must agree: fixing one and not the other leaves a multi-package artifact with a permission surface that depends on which entry path booted it. The probe pin (#15004) covers both, which is why it lands first.

Acceptance

• The option-B leg of reader program 1/4 — the option-B acceptance probe: a two-package fixture booted through every entry path with the flattened collections absent #15004's probe goes green for the default permission set on both entry paths; the additive leg stays green.
• Package order comes from resolveArtifactPackageOrder (@objectstack/core, since fix(metadata): register a packages[] artifact per package at the metadata door so every object has one owner across every door (#14599) #14643).
• ⛔ Do not change composeStacks, packages/spec/src/stack.zod.ts, or what any command emits. Artifact stays additive.
• ⛔ Do not weaken or edit the probe pin to make this card pass.
• ⚠️ Before implementing, re-run the wider sweep once for a fifth package: the two enumerations that missed this site both scoped themselves by package name up front. Search by the shape (config.permissions, config.objects, bundle.<collection> reads) across all of packages/, not by a package list. If another package turns up, file it as 5/4 rather than folding it in here.

Sibling cards: #15004 (probe, blocks this), #15005 @objectstack/runtime, #15006 @objectstack/cli. Emitter half: #14512.