The FE derived 'working' purely as activeSession && !pendingWidget, so the
final workflow turn — the only one that ends without a follow-up gate —
left the spinner on forever (observed live: 21592s after F8 approve).
- SessionBridge maps Pi's agent_end -> SSE system_event {event: agent_end}
- PiProcessManager notifies the client (info error + synthetic agent_end)
when the child dies unexpectedly; expected teardowns stay silent
- sessionStore tracks agentActive (on: user entry/text_delta/ui_request,
off: agent_end); AppShell working now requires it; resume sets it
optimistically
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
ctx.ui.input in `pi --mode rpc` correlates extension_ui_response on its own
top-level RPC id (crypto.randomUUID), not the descriptor id the gate carries
in `title`. SessionBridge replied with the descriptor id, so Pi silently
dropped the response and the model never resumed — every reviewer widget hung
after the human answered.
SessionBridge now stores Pi's top-level m.id (pendingPiId) and replies
extension_ui_response{ id: pendingPiId, value: <uiResponse> }; value still
carries the descriptor id so the gate's internal resp.id === descriptor.id
check still holds.
The fake-pi double had masked the bug by forcing m.id == descriptor.id; it now
mirrors real Pi (distinct randomUUID, correlate on it, drop unknown ids), with
a negative regression test. SKILL.md Phase 1 also now steers multi-answer
disambiguation to reviewer_decide (multiselect).
Tests: backend 67/67, tsc clean, fake-pi contract 2/2.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Live end-to-end against real pi --mode rpc revealed Pi streams assistant text as
top-level message_update events whose nested assistantMessageEvent carries the
incremental delta — not the top-level text_delta the fake-pi-rpc emits. The bridge
now maps message_update(assistantMessageEvent.text_delta).delta -> FE text_delta,
so the chat shows the model's output during a real session.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Decodes native extension_ui_request (method:input, title=JSON) into
ui_request ClientEvent; encodes respond() as extension_ui_response with
value payload; tracks pending widget; handles notify→info and steer.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
User
marcopanandClaude Fable 5