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feat(skill): layer the host skill registry per scope like the tools registry

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The skills capability moves back to the host plane as one singleton, layered
with the ScopedLayers infrastructure the tools registry established: a
registration files into its calling context's layer (repository plugins and
host rows land global, a preset's skill-local lands in that preset's layer),
and a read merges the global layer with the viewing scope's chain, the
nearest layer winning duplicate names outright while rank keeps deciding
duplicates within one layer.

The web-app bundle re-enables the base skill registry row (skill-local and
tool-skill stay preset-owned), the standard preset drops its isolate skills
realm for bare rows over the host registry, tool-skill passes the calling
agent as the view scope, and the gateway's skills domain reads the host
registry in the presenter scope — a cold session now resolves its recorded
preset's standing key instead of failing.
This commit is contained in:
Yichen Jiang
2026-08-09 22:10:38 +08:00
parent 5aa10901ad
commit 4788569889
14 changed files with 495 additions and 114 deletions
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8
packages/skill/tool-skill/src/index.ts
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@@ -128,7 +128,9 @@ export function apply(ctx: Context, config: Config = {}): void {
if (!isSkillName(args.name)) {
throw new Error(`invalid skill name "${args.name}"`)
}
const lookup = { cwd: exec.agent?.session.header.cwd, signal: exec.signal }
// The agent is its own scope key, so the lookup resolves the layered
// registry exactly as this agent's composition sees it.
const lookup = { cwd: exec.agent?.session.header.cwd, signal: exec.signal, scope: exec.agent }
const summary = (await ctx.skills.list(lookup)).find(skill => skill.name === args.name)
if (!summary) {
throw new Error(`skill "${args.name}" is unknown or no longer available`)
@@ -181,7 +183,7 @@ export function apply(ctx: Context, config: Config = {}): void {
const names = invokedSkillNames(messages)
if (names.length === 0) return decision
signal.throwIfAborted()
const lookup = { cwd: agent.session.header.cwd, signal }
const lookup = { cwd: agent.session.header.cwd, signal, scope: agent }
const injections: UserMessage[] = []
for (const name of names) {
const skill = await ctx.skills.get(name, lookup)
@@ -217,7 +219,7 @@ export function apply(ctx: Context, config: Config = {}): void {
signal.throwIfAborted()
const toolVisible = ctx.tools.get(skillTool.name, agent) === skillTool
const snapshot = toolVisible
? await ctx.skills.snapshot({ cwd: agent.session.header.cwd, signal })
? await ctx.skills.snapshot({ cwd: agent.session.header.cwd, signal, scope: agent })
: { skills: [], complete: true }
signal.throwIfAborted()
if (!snapshot.complete) return decision