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fix(web): follow a blank session's preset switch in the slash catalog

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Presets own the rows that decide what a session's `/` menu contains, but
both browser catalogs cache per session and had no invalidation edge for a
recompose: `commands/changed` is registry-wide and recomposing registers
nothing, so the menu kept serving the composition the session no longer ran.

The host stream now frames the logged `agent-preset/selected` commit as
`host/session-preset-changed`; the runtime bridges it to the typed
`session/preset-changed` event, `ui-command` soft-refreshes that session's
directory key and `ui-skill` invalidates its catalog entry.

Reaching the host on a second switch was a separate defect: the list-row
identity guard compared every summary field except `agentPreset`, and the
merge keeps the row's `updatedAt`, so a switched row looked unchanged and
served its cached instance forever. The hero chip compares the pick against
that row, so switching back to the creation-time preset sent no RPC at all.
This commit is contained in:
Yichen Jiang
2026-08-10 14:35:13 +08:00
parent 6648ff984a
commit 259d998455
36 changed files with 433 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
packages/client/runtime/src/client/index.ts
View File

@@ -181,6 +181,18 @@ declare module 'cordis' {
* @mode emit
*/
'models/changed'(): void
/**
* One session's agent preset changed (host/session-preset-changed
* passthrough), so everything its composition decides — the command
* catalog, the skill catalog — is stale for that session and no other.
* Every connected client observes it, not only the one that issued the
* switch. Subscribers refetch their own session-keyed caches; the frame
* carries no catalog.
* @mode emit
* @param sessionId - the session whose composition changed.
* @param agentPreset - the preset it now runs.
*/
'session/preset-changed'(sessionId: SessionId, agentPreset: string): void
/**
* A connection generation was (re-)established. Wire-derived caches must
* treat their state as stale and repull (commands directory; the queue
@@ -244,6 +256,9 @@ export function apply(ctx: Context): void {
// and model surfaces) subscribe on ctx.
const frame = envelope.payload
if (frame.type === 'host/commands-changed') ctx.emit('commands/changed')
else if (frame.type === 'host/session-preset-changed') {
ctx.emit('session/preset-changed', frame.sessionId, frame.agentPreset)
}
else if (frame.type === 'host/settings-changed') ctx.emit('settings/changed', frame.ns)
else if (frame.type === 'host/credentials-changed') ctx.emit('credentials/changed', frame.ref)
else if (frame.type === 'host/models-changed') ctx.emit('models/changed')

2
packages/client/runtime/src/client/sessions/manager.ts
View File

@@ -1005,7 +1005,7 @@ export class SessionManager {
const prev = this.entryCache.get(entry.sessionId)
if (
prev !== undefined && prev.updatedAt === entry.updatedAt && prev.running === entry.running
&& prev.blank === entry.blank
&& prev.blank === entry.blank && prev.agentPreset === entry.agentPreset
&& prev.parentSessionId === entry.parentSessionId && prev.cwd === entry.cwd
&& prev.origin === entry.origin && prev.title === entry.title && prev.depth === entry.depth
&& prev.pendingInteraction === entry.pendingInteraction