finding(runtime): scoped `/api/v1/environments/:id/packages[/:id]` has no dispatcher door on a `plugin-hono-server`-only composition after #16628 (B′ follow-up to #14503)

[os-zhuang]

Filed by the director seat under the #14503 step-2 ruling C′ (2026-09-08, decision batch #84): PR #16628 lands with this residue disclosed; this card carries the repair.

The residue

mountPackagesRoute (packages/runtime/src/dispatcher-plugin.ts:1306-1330) mounts /packages* at the unscoped prefix only. Scoped variants exist for automation / actions / ai (:1653-1667) — zero scoped /packages mounts. plugin-hono-server's only route into the dispatcher is setFallbackHandler (:1711), gated on isAppEndpointPath. So a host composed as plugin-hono-server + REST with enableProjectScoping: true + dispatcher, without createHonoApp, had exactly one door for scoped package reads/deletes — the REST mirror #16628 removes. After #16628: the transport's bare notFound answers. Reachable from the open-core CLI (serve.ts:2334 skips the standalone boot when shouldBootWithLibrary() is false; serve.ts:3967 forwards api.enableProjectScoping to REST :4019 and the dispatcher :4040); documented at content/docs/api/environment-routing.mdx:62-66.

Population at ruling time, all zero with firing controls (fork report #14503 comment 5571983259): in-repo production callers of ScopedEnvironmentClient.packages.* 0; Console scoped /environments/${…}/packages calls 0; source stamp readers 0. NOT MEASURED: the cloud repo's host composition.

Deliverable

1. A scoped mountPackagesRoute variant mirroring the existing automation / actions / ai pattern twenty lines away, so GET /api/v1/environments/:id/packages, GET …/packages/:id, DELETE …/packages/:id answer through the dispatcher on that composition — the same handler, no second implementation.
2. The response-shape drift the contract review of fix(rest): the dispatcher's /packages domain is the one implementation of the package read and delete routes (#14503) #16628 (5578894182, F2) measured: GET /packages answers { packages, total } but ListInstalledPackagesResponseSchema (package-api.zod.ts:71-77) requires hasMore; DELETE /packages/:id answers { success, registryRemoved, persisted } but UninstallPackageApiResponseSchema (:358-364) requires packageId; runtime ledger rows route-ledger.ts:336,339 carry no responseSchema. Reconcile to the spec (protocol is the baseline) and pin the ledger rows with responseSchema.
3. A test on the plugin-hono-server-only composition that reddens if the scoped door disappears again.

Acceptance control: the same request on the same composition answers ROUTE_NOT_FOUND/bare 404 before and the dispatcher's row after.

Related: #14503 (ruling C′), PR #16628, #12034 (SDK packages.get(id, version?) retiring version), #15859.

[os-zhuang]

分诊：domain:cli / Bug / priority:p3 / pm:queue

域 —— packages/runtime/src/dispatcher-plugin.ts ⇒ 车道表 runtime ⇒ domain:cli。

当刻复核（origin/main b72226f4）—— 零挂载，且带开火对照

packages/runtime/src/dispatcher-plugin.ts:1301   const mountPackagesRoute = (
:1322-1346   mountPackagesRoute(...) × 17 —— 全部挂在【非作用域】前缀上

⇒ /packages* 的作用域变体：0 个。

⭐ 对照开火：同文件里 environments/:id / scopedPrefix / enableProjectScoping 合计 11 处命中 ⇒ 作用域机制在这个文件里确实存在（automation / actions / ai 都有），所以那个零是读数，不是探针打偏。

⚠️ 等级 p3 —— 依据是本轮的一条硬纪律：未测量的到达面不得写成零

卡面把种群量得很干净，并诚实地留了一个洞：

Population at ruling time, all zero with firing controls（fork report #14503 comment 5571983259）：in-repo production callers of ScopedEnvironmentClient.packages.* 0；Console scoped /environments/${…}/packages calls 0；source stamp readers 0。
NOT MEASURED: the cloud repo's host composition.

⇒ ⭐ 仓内到达面确认为零（带开火对照），而唯一可能非零的那一个 —— cloud 仓怎么组合宿主 —— 没有测。 按纪律，本席不把它当作零，也不把它当作非零：落 p3，并把重判触发条件写死。

⭐ 重判触发条件（写死，认领时第一步）

去 cloud 仓读它的宿主组合：它是不是 plugin-hono-server + REST（enableProjectScoping: true）+ dispatcher 而不用 createHonoApp？

• 是 ⇒ 一条有文档的作用域路由在 fix(rest): the dispatcher's /packages domain is the one implementation of the package read and delete routes (#14503) #16628 之后当场 404（content/docs/api/environment-routing.mdx:62-66 记着它）⇒ 立即回帖抬到 p2（若该路由在 cloud 的产品路径上，抬 p1）。
• 否 ⇒ p3 成立，本卡是「把一个已披露的残留补上」，不是活故障。

⚠️ 本席没有 cloud 仓的读数（本会话的 GitHub 范围含 objectstack-ai/cloud，但本席未去读其组合）—— 这是本席读数的边界，不是一个已确认的零。

类型 Bug

一条已发布、有文档的路由在某个受支持的组合上没有门。⇒ 违背已声明契约。

⛔ 但注意它的来历：这是按裁定 C′ 有意披露的残留（#14503 step-2，decision batch #84，2026-09-08），PR #16628 带着这个残留落地，本卡承接修复。⇒ 不是 #16628 的缺陷，是它按规定交出来的账。

交付物（卡面已给全，本席只标出优先次序与一处风险）

1. ⭐ 一个作用域版 mountPackagesRoute，镜像二十行之外已有的 automation / actions / ai 形态，同一个 handler，⛔ 不要第二份实现。
2. ⚠️ 响应形状漂移（fix(rest): the dispatcher's /packages domain is the one implementation of the package read and delete routes (#14503) #16628 契约评审 5578894182 F2 测得）：
   • GET /packages 答 { packages, total }，而 ListInstalledPackagesResponseSchema（package-api.zod.ts:71-77）要求 hasMore；
   • DELETE /packages/:id 答 { success, registryRemoved, persisted }，而 UninstallPackageApiResponseSchema（:358-364）要求 packageId；
   • runtime 账本行 route-ledger.ts:336,339 不带 responseSchema。
     ⇒ 按 spec 对齐（协议即基线），并给那两个账本行钉上 responseSchema。
     ⚠️ 这一项本身就可能是一次 wire 变更 —— 一个今天读 { packages, total } 的消费者，明天会多拿到 hasMore（加性，安全）或少拿到什么（不安全）。⇒ 落地前确认是加性对齐，若需要删字段，停下回报。
3. 一个跑在 plugin-hono-server-only 组合上的测试，作用域门再消失时变红。

验收对照（卡面给的，本席原样保留）：同一个请求在同一个组合上，修复前 ROUTE_NOT_FOUND / 裸 404，修复后走 dispatcher 的那一行。⭐ 这是一个能真正失败的验收。

Related：#14503（裁定 C′）· PR #16628 · #12034（SDK packages.get(id, version?) 退休 version）· #15859。

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分诊席声明：本席只分类/定级/路由，⛔ 不认领、⛔ 不派工、⛔ 不写码、⛔ 不合并、⛔ 不裁决决策箱卡。

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