A host can refuse a timeline read for as long as it likes. Codex does
this whenever another writer holds the thread: every catch-up fails with
"already has an active writer" until the other session lets go. The app
retried that on a fixed 1s timer with no ceiling, so an idle window sat
there issuing a request and logging a warning every second, indefinitely.
The refusal is normal lifecycle; the traffic was the bug.
Catch-up and subscription retries now double from 1s to a 30s ceiling,
resetting on success, reconnect, delivery-mode change, and visibility
change so recovery stays immediate once the condition clears.
Backing off alone would leave the user waiting up to 30s with no way in,
so both failure surfaces get a retry they can press. Background retries
stay silent; a retry the user asked for is a fallible user action and
owns its pending state, so "retrying" is a status the sync model
publishes rather than a React boolean.
The blocking "Failed to load agent" screen was the worse half: its load
effect self-gates on the error state, so a refused first resume was
terminal until the user navigated away. Its retry resets the state to
idle, which re-arms the effect.
* Reapply: Stop completed turns from appearing stuck (#2484)
* Reapply: Keep older chat history and image previews stable (#2490)
* Lock timeline layout stability with user-driven specs
Two reds reproduce the reported jank:
- new agent, first prompt: the row paints at top=100 then jumps to 144 through
authoritative hydration, because the draft tab and the agent panel each render
their own AgentStreamView for the same logical row.
- long loaded timeline, submit: scrollHeight collapses 10793 -> 9111 mid-turn,
because splitOrderedTail reclassifies measured rows into the virtualized segment
where the virtualizer falls back to estimateStreamItemHeight.
Also restores centered timeline rows: the pagination anchor wrapper introduced in
#2490 was a plain block div, which broke alignSelf: center.
* Measure the turn footer blink from when the footer appears
Bounding the window at the prompt row conflated two things: the footer arriving a
frame after the row, and the footer leaving the layout and coming back. Bounded from
the footer's first frame, the blink still reproduces, so the footer-ownership race is
real rather than a sampling artifact.
* Rename the shadowed prompt row binding in the frame recorder
* fix(desktop): allow concurrent worktree dev instances
Desktop terminals can inherit another instance's profile path and debugging flags. Scope the profile to the current dev root and select an available debugging port so instances do not share global runtime state.
* fix(desktop): expose development providers in dev builds
Desktop-managed daemons inherited no Paseo runtime mode, so dev builds constructed the production provider registry. Mark unpackaged internal launches as development while continuing to force packaged launches to production.
* fix(timeline): stabilize optimistic turn layout
Keep initial history loading dormant until user intent and preserve active-turn layout across delayed transport updates. Add painted-frame coverage for optimistic timeline transitions.
* fix(timeline): preserve optimistic prompts through hydration
Canonical replacement relied on a transport submission record that can settle before a provider echoes the user row. Keep presentation continuity owned by the unreconciled row while destructive history replacement remains governed by active transactions.
* fix(timeline): make submitted prompts canonical
Submission settlement previously depended on status updates that could arrive after the optimistic row. Persist every accepted prompt in the canonical timeline and keep the footer active until RPC and canonical acknowledgement converge.
* fix(timeline): stop older history pages repeating entries
Backward pagination counted source sequence rows, so page boundaries inside a merged projected item could return that item repeatedly. Count projected entries and advance from their display anchors instead, with server and browser regressions covering the contract.
* fix(timeline): resume agents from the latest history
Use a bounded tail probe on resume so long background runs appear atomically instead of replaying every missed page. Preserve unchanged views, reconcile local/live rows, and keep skipped history reachable through backward pagination.
* fix(timeline): reconcile turn state after missed updates
Turn completion events can be missed while an agent timeline is unsubscribed, leaving footer activity stale even after the directory reports idle. Reconcile the single-owned turn lifecycle from authoritative resume snapshots while preserving newer live evidence.
* test(timeline): cover running state across refresh
Protect the hydration boundary where directory state must restore consistent tab, composer, and footer activity. Expose the running indicator semantically so the regression checks user-visible state instead of spinner implementation details.
* fix(timeline): keep history loading geometry stable
Reserve a fixed history-start gutter regardless of pagination state so showing or hiding the loader cannot shift timeline content.
* fix(timeline): keep turn activity coherent
Derive footer, tab, and composer activity from one lifecycle and submission projection. Idle directory transitions now request an authoritative resume so missed terminal events converge without treating directory delivery order as turn authority.
* fix(tests): align checks with runtime boundaries
* fix(desktop): stop dev app surviving its terminal
Electron was detached from the desktop runner, allowing it to outlive a stopped workspace terminal with broken output pipes and retain the single-instance lock. Keep Electron owned by the runner and preserve explicit process-group cleanup for detached child trees.
* fix(timeline): preserve activity through turn handoff
Correlate lifecycle events and snapshots with daemon-owned turn identity, and keep optimistic submissions active until their canonical row arrives. This prevents stale updates and RPC timing from exposing a false idle state.
* refactor(timeline): remove submission timing state
* fix(timeline): restore prompt identity on resume
* fix(timeline): exclude attachments from canonical prompt text
Structured provider prompts can include hidden history attachments before the user's text. Persist only plain prompt blocks so authoritative user messages match what the composer displayed while provider input remains unchanged.
* refactor(agent): remove unused pending-run message identity
* fix(desktop): let Chromium allocate the debugging port
* refactor(agent): remove impossible finalized-turn tracking
* fix(timeline): load history after keyboard scrolling
Treat observed upward displacement as user intent so keyboard and scrollbar navigation can wake dormant pagination.
* test(server): preserve accepted turn stream order
The manager-owned accepted turn boundary intentionally precedes coalesced output. Assert that lifecycle event explicitly while retaining the timeline-before-terminal ordering contract.
* test(app): scope sidebar fixtures by identity
Shared E2E daemon state may contain unrelated projects. Keep stale-route coverage tied to its named missing project and drag only the two rows seeded by the reorder spec.
* fix(timeline): gate prompt revisions by client capability
* fix(timeline): finalize canonical prompt delivery
Treat provider identity as a single stored-row transition so legacy clients receive one deliverable canonical prompt. Release identity-pending rows before later foreground output or the current terminal while preserving stale-turn isolation.
* fix(server): preserve legacy prompt pagination
* fix(timeline): keep assistant block identity stable
Assign canonical block IDs during live promotion so terminal finalization cannot remount image-bearing rows.
* fix(timeline): apply covered revisions during resume append
Run the exact canonical revision pass before overlapping resume pages append newer rows, while leaving cursor advancement to the incremental path.
* fix(server): preserve queued agent transitions
Project each queued live snapshot before awaiting stored metadata so later lifecycle state cannot overwrite an earlier transition.
* fix(server): snapshot queued agent updates
Capture each live agent payload before it enters the per-agent queue so shared nested state cannot change while an earlier storage read is pending.
* docs(app): date agent turn compatibility cleanup
* refactor(timeline): mint submitted prompt identity at acceptance
Canonical prompt rows now keep one immutable wire identity while provider identity remains internal for rewind translation. This removes the unreleased same-sequence revision and legacy projection contract.
* refactor(app): remove prompt revision reconciliation
Submitted prompt rows are immutable on the wire, so resume and live reducers no longer need to apply already-covered same-sequence updates.
* test(app): cover submitted prompt rewind roundtrip
* docs(timeline): describe immutable submitted prompt identity
Provider echoes now enrich daemon-internal identity only; wire rows keep their acceptance-time identity and rewind performs the provider translation.
* test(server): validate mock rewind targets
Reject unknown provider message IDs so app rewind coverage exercises wire-to-provider identity translation.
* fix(server): validate rewind before interrupting
* fix(server): omit rewind identity for daemon prompts
* test(app): guard rewind eligibility and rejection
* fix(server): preserve prompt identity across hydration
* refactor(timeline): remove stale revision remnants
* Revert "fix(server): preserve prompt identity across hydration"
This reverts commit 6adcf7e5b0bc8601761af59b461a746cb5e395fa.
* fix(timeline): settle missed submission acknowledgements
* fix(app): restore archived agents from History
History navigation lost the explicit archived-agent intent during tab reconciliation, and workspace recovery stopped after restoring the workspace. Preserve the selected tab and recover its provider session as one action while serializing provider resume with timeline hydration.
* fix(app): preserve archived agent recovery invariants
* fix(server): preserve timeline hydration call shape
* fix(app): retain agent tabs through lookup
* fix(server): upgrade in-flight timeline broadcast
Visibility catch-up could select the blocking overlay after optimistic continuity cleared, even though history was already hydrated. Keep hydrated content non-blocking and cover the creation handoff with a browser regression test.
Keep a small non-authoritative view of the last focused chat so the app can paint it before the daemon finishes revalidation. Bound persistence to one focused agent per host and evict whole host entries to limit storage and serialization work.
* fix(app): keep focused agent timelines live
Window focus was conflated with app visibility, so switching OS windows could remove the selected timeline subscription. Separate those signals, grace every visibility-driven removal, and cover retained history until authoritative catch-up completes.
* fix(app): keep timeline catch-up failures non-blocking
* fix(app): surface timeline catch-up failures
* fix(app): preserve file preview refocus
* fix(app): preserve optimistic catch-up flow
Move optimistic user message reconciliation into the stream reducers and keep draft-created agents in a handoff lifecycle until authoritative history lands.
* Add Pi extension-launch plumbing for in-process tree primitives
* Add Rewind controls for agent sessions
* Preserve SDK checkpoint env var so Claude file rewind works
The SDK injects CLAUDE_CODE_ENABLE_SDK_FILE_CHECKPOINTING=true when file checkpointing is enabled. The earlier parent-env stripping from c4782ec71c was too broad and removed that child flag along with real parent-session markers.
Keep stripping parent markers, but preserve the checkpoint flag so the SDK rewind path can run directly. With that boundary fixed, the JSONL file-rewind fallback is no longer needed.
* Update OpenCode history replay tests for rewind state
* Show Rewind actions in an adaptive sheet
* Fix rewind semantics across providers
* Refactor Pi IDs through extension capture
* Restore user message to composer after rewind
* Fix Claude rewind tool result mapping
* Fix Claude rewind session switch roundtrip
* Fix rewind and optimistic message regressions
* Tighten rewind test discipline
* Fix OpenCode optimistic message reconciliation
* Reconcile optimistic user messages by marker
* Reorder user message actions
* Unify provider user message contract
* Add Claude rewind flow Playwright contract
* Add Codex rewind flow Playwright contract
* Add OpenCode rewind flow Playwright contract
* Add Pi rewind flow Playwright contract
* Remove real-provider rewind Playwright contracts
* Gate real-provider rewind specs from CI Playwright
* Surface paseo subagents in a collapsible section above the composer
Subagents no longer auto-open as tabs. Each parent agent's pane shows
a compact tab attached to the top of the composer, listing its direct
children with name and status; clicking a row opens or focuses the
subagent's tab. The section is provider-neutral so Claude Code Task
and Codex subagent sources can feed the same UI later. Reconciliation
now separates pruning (`activeAgentIds`) from auto-opening
(`autoOpenAgentIds`) so manually opened subagent tabs survive.
* Tighten subagents composer code from review
Collapse duplicate helper in workspace reconciliation, swap a hand-rolled
shallow comparator for fast-deep-equal (matching repo convention), drop
an unused React default import and a single-use formatCount helper, and
extract a shared PaneOverrides type in the agent-panel test.
* Fix oxlint failures in subagents code
Switch type aliases to interfaces, hoist inline JSX styles/handlers in
SubagentsSection to satisfy react-perf rules, and lift the test
makeAgent helpers onto AGENT_DEFAULTS so their cyclomatic complexity
drops below the configured cap.
* Add missing unistyles mock exports after rebase
After rebasing onto main, SubagentsSection now imports both
useUnistyles and (transitively, via WorkspaceTabIcon) withUnistyles.
Two test mocks needed updating to expose them.
Test drift fix: the implementation contract is correct; the local
react-native-unistyles mocks were stale.
* Tuck subagents tab under the composer
Subagents tab now grows visually from beneath the composer's rounded
top edge: the surface overlaps the composer by the corner radius so
the rounded curve nests into the tab. Composer's top padding is
removed so the tab sits flush against the input box with no
click-dead gutter. The tab is full-width in both states, the header
label drops the medium weight to follow design-system §3 (content
text inside a surface is normal), and hover covers the entire
visible tab when collapsed but stays scoped to the header row when
expanded.
* Decouple subagent close-tab from archive
Closing a subagent's tab no longer archives the agent — the tab is
removed from the per-client layout, the agent stays in the parent's
track until explicitly archived. Track rows gain an archive button (X)
to make the lifecycle gesture explicit. AgentManager.archiveAgent now
cascades to children carrying the paseo.parent-agent-id label so
subagent fleets don't outlive their orchestrator.
Trade-offs documented in docs/agent-lifecycle.md, including the known
limitation that handoff agents launched via the same MCP path get
cascade-archived alongside true subagents until a richer relation
model lands.
* Stabilize subagent archive button hover
Apply the sidebar workspace row pattern to fix two issues with the
new archive button: the row no longer drops hover when the pointer
moves onto the button, and the button slot reserves layout space
when invisible so adding/removing it doesn't shift the row.
The wrapper View tracks hover via onPointerEnter/onPointerLeave
(workspace rows do the same), and the slot stays mounted with
opacity 0 + pointerEvents="none" when the button is hidden. Also
swap the X icon for the Archive icon to match the gesture's intent.
* Match design language for subagent archive button
Hover state now changes the icon color from foregroundMuted to
foreground, matching the project-row trailing-action pattern in
sidebar-workspace-list.tsx. Drops the surface3 background hover
that didn't match the design language.
Adds a tooltip ("Archive subagent") on the trigger using the
canonical Tooltip + TooltipTrigger asChild pattern. Disabled when
the slot is hidden so it never appears unbidden.
* Slot subagents into one module + harden cascade
Reshape the subagents-in-composer feature so it lives behind one
module and integrates at a few explicit sites instead of being
smeared across generic files.
- Extract `PARENT_AGENT_ID_LABEL` to `packages/server/src/shared/agent-labels.ts`. Sweeps 16 literal sites across server, client, CLI, and tests.
- `packages/app/src/subagents/` is now a deep module: `index.ts` is the only React entry (`SubagentsSection`, `useArchiveSubagent`, `useSubagentsForParent`, `selectSubagentsForParent`, `resolveCloseAgentTabPolicy`, `shouldAutoOpenAgentTab`); `policies.ts` is a second designed entry for non-RN data consumers. Internal files renamed (`section.tsx`, `select.ts`, `close-tab-policy.ts`, `auto-open-tab-policy.ts`, `use-archive-subagent.ts`).
- Move the 22-line subagent archive flow out of `agent-panel.tsx` into `useArchiveSubagent`. Agent-panel becomes a one-line consumer.
- Move the close-tab subagent branch out of `workspace-screen.tsx` into `resolveCloseAgentTabPolicy` (discriminated union).
- Move the auto-open exclusion rule out of `workspace-agent-visibility.ts` into `shouldAutoOpenAgentTab`.
- Theme chevrons in `section.tsx` via `withUnistyles`; drop the forbidden `useUnistyles()` call from the hot path.
Server-side cascade hardening:
- Single write path: extract `markRecordArchived` and route both `archiveAgent` and the off-memory cascade branch through it. Off-memory cascaded children now notify subscribers (previously silent).
- Cascade no longer swallows child failures with `try/catch warn`. Failures propagate.
- Cascade test extended from 1 weak assertion to 5 contract tests: full archive shape (archivedAt, normalized lastStatus, requiresAttention=false), running child runtime stop, off-memory branch, subscriber notification for in-memory and off-memory children, partial-failure surfacing.
Net diff vs the start of this PR: -1037 / +444 lines. The feature now slots into the repo at four explicit sites: `agent-panel.tsx` (3 imports + a hook + the section), `workspace-screen.tsx` (one policy import), `workspace-agent-visibility.ts` (one predicate import), and `agent-manager.ts` (the cascade plus the shared label constant).
Remove the "Refreshing" and "Failed to refresh agent" toasts from the
agent panel — they fire frequently but are meaningless since sync
recovers transparently. The "Reconnecting..." toast for host disconnect
is preserved.
Strip debug console.log calls across the app: render tracking in
message/stream views, dependency change tracking in workspace screen,
terminal tab slot logging, and verbose audio engine/voice runtime
bridge stats logging. Legitimate console.error/warn in catch blocks
are kept.
Mohamed Boudra