Commit Graph
27 Commits
Author SHA1 Message Date
c_w_xiaohei fa1503a038 perf(ui): narrow session switch fanout
Keep sidebar rows independent from the active sync directory by moving export history loading behind an explicit-directory command.

Make active-project selection preserve project topology and remove activeProjectId from mounted group render props. Reuse a per-session-array ID index so subscription snapshots do not repeatedly scan session lists.
2026-08-26 00:44:14 +08:00
c_w_xiaohei ed37d8e249 perf(ui): isolate sidebar session selection 2026-08-26 00:42:36 +08:00
Bohdan Triapitsyn dfa7b45dd0 fix(mobile): recover pending questions after cold start 2026-08-10 15:10:36 +03:00
Bohdan Triapitsyn a6fb7193dc feat(ui): expose desktop session actions in header
Add a dedicated desktop header menu for the active session while keeping recent-session switching available when the sidebar is closed. Match inline rename behavior with the sidebar and expose rename, copy ID, share, export, archive, and delete actions with localized feedback.

Automatically copy newly created share links, keep share/unshare state synchronized across live and global stores, and normalize stale upstream unshare responses so the UI immediately reflects successful unsharing.

Require Markdown exports to load every available message page before formatting the conversation. Abort incomplete root exports, retain explicit child-session skip warnings, and guard complete-history pagination against failures and cursor cycles.
2026-07-31 21:02:23 +03:00
𝖎𝖚𝖑𝖎𝖎𝖆andBohdan Triapitsyn aae889b904 perf: optimize session loading and desktop startup (#2545)
* perf: optimize session loading and startup

* fix(chat): stabilize history prepend virtualization

* perf: unblock first session open from startup network contention

Opening the first session after app start waited seconds for its message
fetch. Three independent contributors, each measured via CDP network
capture and Chromium net-log against the packaged desktop app:

- The active-session watchdog fired an uncapped per-directory status poll
  and child-session discovery burst at startup, and other subsystems
  (git checks, global session pages, command/skill discovery) fanned out
  alongside it, saturating the browser's ~6 HTTP/1.1 sockets per origin.
  Add a shared background-network gate (concurrency 3) and route the
  watchdog, poll-shaped git reads (also priority: low), global session
  pages, command/skill loads, and the background update check through it.

- The packaged renderer is cross-origin to the loopback backend, so every
  API call needs a CORS preflight; a few slow OpenCode-proxied requests
  held the whole pool while preflights and interactive traffic queued
  behind them. Lift Chromium's per-host connection cap for loopback via
  ignore-connections-limit in the Electron shell.

- OpenCode initializes each directory lazily on its first request, so the
  first click paid that cost interactively. Warm the last-used directory
  and the three most recently opened projects right after OpenCode
  readiness, sequentially and best-effort, overlapping UI startup.

Validation: new background-network tests, lifecycle warmup test, focused
store/sync tests, UI type-check and lint, dead-code report, node --check
plus electron type-check/lint, and CDP first-open measurements on the
packaged app (message fetch socket queue 5.4s -> 0.03s).

* fix(ui): keep interactive git reads out of background queue

---------

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>
2026-07-31 12:51:15 +03:00
Bohdan Triapitsyn 85400459e9 perf: overhaul session loading, caching, and runtime isolation (#2360)
Improve OpenChamber responsiveness under large session workloads while fixing
cache, synchronization, and persistence correctness across runtimes, projects,
directories, and worktrees.

- prioritize selected and visible sessions during bootstrap and defer
  non-critical enrichment work
- reduce redundant message loading, event processing, store publication, and
  hidden sidebar work
- prevent stale session and message requests from overwriting newer
  authoritative state
- preserve existing data when authoritative fetches fail instead of treating
  failures as successful empty responses
- scope session materialization, messages, drafts, queues, todos, pins,
  permissions, folders, tabs, Git state, and pull request data by runtime and
  directory identity
- harden runtime switching, reconnect, cleanup, mutation reconciliation, and
  persisted-state ordering
- preserve live subagent Task linkage when metadata arrives after an older
  message request or while streaming parts are suspended
- coalesce overlapping tail refreshes without losing newer refresh demand
- improve cold-session loading by moving deferrable work out of the critical
  bootstrap path
- isolate URL authentication, mobile credentials, native secrets, and other
  runtime-owned state across endpoint changes
- bound long-lived caches and remove avoidable allocations from event and
  rendering hot paths
- limit virtualization to archive collections where it improves rendering
  without disrupting active sidebar layout
- stabilize session folders, pin ordering, expanded state, and persisted
  sidebar behavior
- open skill files through the same secure editor and outside-workspace grant
  flow used by file navigation, including worktree sessions
- expand regression coverage for stale completions, runtime collisions,
  reconnect behavior, persistence races, authoritative empty results, and
  subagent refresh ordering
- document the updated synchronization, cache ownership, performance, and
  runtime-isolation invariants
2026-07-21 20:52:20 +03:00
Bohdan Triapitsyn 4f65e01a63 fix(sync): defer incomplete assistant-only pages 2026-07-12 00:45:26 +03:00
Bohdan Triapitsyn d0bcb8106a fix(sync): preserve optimistic entries for stale loads 2026-07-12 00:44:58 +03:00
d8a904954b fix(sync): commit first message page before expansion loop (#2084) (#2086)
* fix(sync): commit first message page before expansion loop (#2084)

loadMessages committed the store only after the full expansion sequence
(50→100→150), so the hydrating skeleton stayed for 3 sequential HTTP
round-trips when a session tail had no user message boundary.

Move the store write (materialize + setState) to happen after the first
fetch. The expansion loop now commits each expanded page incrementally
instead of overwriting a page variable and committing once at the end.

The first commit is gated on hasUserMessage(page.session) || page.complete:
if the tail is assistant-only, deferring to the expansion loop keeps the
skeleton (loading state) instead of rendering an empty chat that looks
like a fresh session. Sessions with a user boundary in the first 50
messages get content after a single round-trip.

* fix(sync): address review nits for #2084

- deferred init uses page.session instead of [] so limit reflects the
  real fetched count if the expansion loop is ever a no-op
- both stale branches in commitMessagesToStore return messages: [] for
  consistency
- add isStale guard between expansion fetch and commit for defense-in-depth

* fix(sync): always commit prepend-mode pages to store (#2084)

The deferred init path (assistant-only tail) skipped commitMessagesToStore
entirely when options.before was set — prepend mode. The fetched older
messages were never written to the store, silently dropping them.

Gate the deferral on !options.before: prepend mode always commits because
messages are already rendered (no skeleton to protect) and skipping the
store write would lose the fetched page.

---------

Co-authored-by: bashrusakh <bashrusakh@users.noreply.github.com>
Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>
2026-07-11 14:39:49 +03:00
Iuliia Ivashko 91a95bfdaa feat: pairing v2 — one-tap trusted devices over LAN and private relay (#2103)
Reworks how devices connect to an OpenChamber server, end to end.

Pairing v2:
- One-time pairing links/QR codes (openchamber://connect?v=2) carrying a set of transport candidates (LAN/tunnel/relay) and a single-use secret redeemed server-side; no tokens embedded in links
- Add-a-device dialog written for first-time users: intent-based transport choice (Anywhere / Home network only / This computer only) with plain-language descriptions, transparent fallback checkboxes, server-authoritative LAN detection, high-res QR dialog
- Private relay folded into pairing as a transport candidate with a demand-driven lifecycle (enables when a relay device is paired, disables when none remain)

Multi-transport devices:
- A saved device holds all its transports and one token; mobile re-probes on connect, resume, and network change and hot-switches LAN<->relay seamlessly (no re-pairing, no remount, session preserved)
- Desktop can import relay pairing links, switch to relay hosts through the E2EE tunnel, and restore a relay default host after relaunch

Device management:
- Device list (web + desktop) shows live per-device connectivity with the active transport (Connected - Local network / Relay) and platform badges (iOS/Android/macOS/Windows/Linux)
- One physical device = one record: stable per-install dedupe keys across pairing and password re-login; typed pairing label names the device, paired devices name the connection by the issuing server hostname
- Trusted desktop-local client manages all devices (list, revoke, clear revoked); relay host reaps dead client sockets after 3 missed keepalives

Android:
- LAN transport unblocked (cleartext + mixed content, mirroring iOS ATS exceptions); resume re-probe retries through network flux and silently auto-reconnects from a disconnected state
2026-07-10 00:12:33 +03:00
Bohdan Triapitsyn 40dfff4a9a fix: handle ambiguous prompt transport failures 2026-07-07 19:49:11 +03:00
Bohdan Triapitsyn 01ca2ecf24 fix(chat): hide the load-older button once history is confirmed complete
The button's visibility mixed the sync meta with the prefetch-cache hint;
a stale prefetch entry (cursor recorded at the initial page) could keep
the affordance alive after the user had already loaded to the top. Sync
now exposes an explicit isComplete (positive confirmation from a fetch,
distinct from !hasMore on unpopulated meta) and it overrides the prefetch
hint, which stays in effect only before the meta knows anything.
2026-07-05 01:54:33 +03:00
Bohdan Triapitsyn 2bce38cfbb feat(chat): migrate history list to @tanstack/react-virtual with deterministic mobile history loading
- Replace virtua with @tanstack/react-virtual for chat history on all
  surfaces: bottom anchoring (anchorTo: end), key-stable prepend
  preservation, and native iOS touch/momentum deferral live in the core
- Patch virtual-core to clamp the render range to real scroll bounds
  during transient adjustments
- Rows render in normal flow inside a translated wrapper so sticky user
  headers keep working; measurement snapshots cached per session
- Pre-write container height in scrollToFn so the browser cannot clamp
  anchor corrections to the stale height; hold the prepend anchor for up
  to 180 frames on mobile while fresh rows settle (cancelled by user
  input; desktop relies on core anchoring alone)
- Adaptive row-size estimate from per-session measured averages; disable
  reveal fade-in for virtualized history rows
- Mobile loads older history only through an explicit localized top
  button: no scroll-position trigger and no post-mount background
  prepend, so every insert happens from a resting state; a quiet-window
  hold defers any stray prepend commit while a touch gesture is active
- Desktop/VS Code keep the seamless scroll-up trigger and progressive
  background prepend
2026-07-03 18:43:40 +03:00
Bohdan Triapitsyn d71aec54db fix: stabilize chat history prepend scroll preservation on mobile and desktop
- Mobile: defeat iOS momentum scroll when compensating history prepend
  (overflow toggle + short rAF watchdog); disable history virtualization
  and post-paint background prepends; preload Markdown renderer and use
  plain-text Suspense fallback to avoid first-frame geometry shifts
- Desktop: stop double-compensating prepends on the virtualized list -
  virtua shift owns the adjustment; remove sticky-anchor heuristics that
  misfired as failed restores
- Sync: skip no-op store writes when messages/parts are unchanged
2026-07-03 01:34:04 +03:00
bashrusakh 59ecd86b4b perf: isolate chat streaming renders and reduce sidebar render cost (#1672)
Reworks the chat and session-sidebar render paths to cut render cascades, memory
  churn, and UI jank on large sessions and big session trees. Behavior is preserved;
  the changes are about *when* and *how much* the UI re-renders.

  ## Chat streaming
  - Freeze the streaming message's parts in the bulk turn projection during streaming,
    and re-inject live parts only in an isolated tail leaf, so a ~60/sec delta stream
    no longer re-runs the whole-session projection or re-renders unrelated rows.
    session with referential reuse of unchanged turns.
  - Memoize message rows with field-aware comparators instead of reference equality.
  - Replace the manual child-session polling in the task tool with the live SSE
    stream + a one-shot load, removing a fetch/settle state machine.

  ## History loading & scroll
  - Load an initial page fast, then prepend one older page in the background so the
    scroll container has headroom and "load older on scroll-up" fires before the user
    hits the absolute top.
  - Compensate scroll synchronously (in a layout effect, before paint) for prepends —
    including background prepends that don't originate from a user scroll — so the
    viewport stays stable instead of judder-correcting on the next frame.

  ## Markdown rendering
  - Render markdown synchronously *styled* on first paint (paragraphs, lists, code
    cards, tables, inline code) instead of raw escaped text; the async pass then only
    upgrades syntax-highlight colors. Eliminates the flash of full-width raw text.
  - Load KaTeX CSS eagerly with the main bundle instead of inside the lazy markdown
    chunk, avoiding a late stylesheet injection on first render.

  ## Sidebar
  - Hoist per-row recursive tree walks out of row comparators into per-group
    precomputed sets/keys; batch live-session lookups into a single map; add a
    group-level memo boundary.
  - Isolate rename drafts so per-keystroke typing doesn't repaint the row tree.

  ## Sync layer
  - Add a staleness guard so a slow message fetch can't repopulate a session the user
    navigated away from.
  - Throw on fetch failure for authoritative loaders so a transient blip can't read as
    an empty server response.

  ## Cleanup
  - Remove dead code (unused hooks, params, duplicated inline types) surfaced while
    reworking the above.

  ## Known issue
  - A rare, purely cosmetic first-paint width flash can still appear on large sessions;
    it has no behavioral or data impact and is tracked for a follow-up runtime trace.
2026-06-18 00:43:16 +03:00
Hristo KaramanlievandBohdan Triapitsyn 9685630436 fix: lighten session list payloads (#1538)
* lighten session list

* fetch full session on open

* sanitize session list

* sanitize global sessions

* preserve revert markers in session lists

* fix: preserve session metadata in list sanitizers

---------

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>
2026-06-11 23:06:19 +03:00
Bohdan Triapitsyn e9d7f913d9 fix: route new prompt sync to target directory
Keeps optimistic prompt state in the session directory
Routes live assistant part updates using upstream event payloads
Adds regressions for startup session switch races
2026-06-04 13:32:16 +03:00
Bohdan Triapitsyn 2031e3b4a8 Decouple bundled UI from runtime API and add remote instance tooling (#1228)
Add a packaged-client runtime boundary so the shared UI can talk to local,
desktop, remote, and VS Code runtimes through the right transport instead of
assuming one same-origin web server.

Centralize OpenChamber-owned API access behind RuntimeAPIs, runtimeFetch, and
runtime URL helpers, while keeping official OpenCode traffic on the SDK path.
Support runtime switching, remote host selection, desktop client credentials,
and headless connection links for pairing packaged clients with remote
OpenChamber servers.

Harden the new auth model by moving long-lived client tokens out of browser
URLs, introducing short-lived scoped URL tokens for browser-owned transports,
restricting URL-token access to explicit readable/realtime routes, and making
client-token management session-scoped or self-scoped as appropriate.

Update browser-owned assets and preview proxy flows to work with the split
runtime model, including authenticated project icons, preview token propagation,
CSP-safe preview bridge injection, and preview proxy auth that survives
short-lived URL-token expiry.

Tighten Electron security boundaries for packaged clients by gating privileged
preload state to trusted origins and requiring explicit confirmation before
connect deep-links import or switch remote runtimes.

Also refresh agent guidance and project skills so future runtime/API, auth,
preview, UI, CLI, settings, locale, and drag-to-reorder work follows the new
architecture.
2026-06-02 00:43:05 +03:00
Bohdan Triapitsyn f9e9f30873 Fix session history loading (#1468)
Fix chat history pagination and scroll preservation

Align session history loading with the expected scroll-up pagination UX while
keeping OpenChamber-specific initial message limits for constrained runtimes.

- Separate initial load sizes from older-history pagination size
- Load older messages automatically when scrolling near the top
- Continue fetching history until a visible older turn is available
- Preserve the current viewport synchronously during prepends
- Prevent history loading from fighting pinned-to-bottom follow behavior
- Remove delayed scroll-to-bottom correction that caused jumpbacks
- Fix the virtualizer fallback path that could render a large blank spacer
- Track oldest loaded message per pagination iteration to avoid redundant fetches
2026-05-30 02:03:41 +03:00
Bohdan Triapitsyn f8beffce32 perf: reduce startup request fanout
Avoid repeated sidebar session and worktree refreshes
Limit concurrent GitHub PR status checks
Reuse cached worktree root resolution
2026-05-25 11:58:59 +03:00
Bohdan Triapitsyn bb3a51db39 perf(ui): improve mobile session switching
Treat the mobile web surface as a constrained runtime so sync loads smaller message pages, keeps fewer warm session caches, and evicts heavy inactive sessions instead of retaining them across switches.

Limit mobile message-record and turn-model caches to reduce memory pressure on phones while preserving bounded initial page expansion for large final turns.

Split the mobile session status bar so the collapsed state avoids subscribing to the full session/status list; the expensive grouping work now only mounts for the expanded list.

Verified with bun run type-check and bun run lint.
2026-05-25 01:39:47 +03:00
Bohdan Triapitsyn 51c8d52ab5 perf(ui): improve VS Code chat session switching
Improve chat session switching and history pagination, with most of the aggressive limits scoped to the VS Code webview where the freezes were observed.

Session history loading and pagination:

- Reduce the VS Code message page size to 30 records so switching sessions does not immediately hydrate large histories into the webview.

- Keep manual Load older messages in VS Code fixed at 30 records per request instead of growing the request size over time.

- Add a bounded VS Code initial-tail expansion path from 30 to 50, 80, and 120 records only when the initial page has no user-message turn boundary, preventing large final turns from rendering as an empty chat.

- Lower the normal web message page size from 200 to 150 for a mild shared optimization without adopting the aggressive VS Code limits.

- Make session pagination metadata reactive per session so ChatContainer receives cursor updates from materialization and reconnect paths without requiring a switch away and back.

- Write pagination metadata before publishing newly materialized messages so the first render sees the correct has-more state.

- Store cursor information from direct materialization and reconnect message fetches in the shared session prefetch metadata cache.

VS Code cache and memory pressure reductions:

- Use a shared per-directory session recency map so cache eviction is based on app-level recency instead of whichever useSync instance happened to run.

- Limit VS Code warm session cache retention to 4 sessions and evict heavy inactive message caches after switching away from a large session.

- Disable sidebar session prefetch in VS Code because warming extra sessions was increasing webview memory and GC pressure during navigation.

- Remove dropdown background message prefetch so opening the switcher does not start additional session materialization work.

- Drop cached session-message-record snapshots when evicting session data so stale derived records do not remain after the raw session cache is cleared.

- Add bounded LRU caching for session message record snapshots, with much smaller VS Code limits and a VS Code cap that avoids caching snapshots above 30 messages.

- Bound the turn-window model cache in VS Code and avoid caching turn models for sessions above the VS Code message-page size.

Chat render-path reductions:

- Reuse ChatContainer's already-materialized message records in plan detection instead of adding a second active-session message subscription.

- Add a no-op guard when marking session plan availability so repeated detections do not create new Map references and fan out renders.

- Add no-op guards for session switcher and dropdown open state updates to avoid unnecessary store updates and renders.

- Convert several session-specific hooks to useSyncExternalStore with empty-session no-subscribe behavior so empty IDs do not subscribe to broad store updates.

- Remount the chat viewport when the current session changes, isolating per-session viewport and list state.

- Change the virtualized message-list fallback to render only a tail window when the virtualizer has not produced rows yet, instead of rendering an entire large history.

VS Code layout and header improvements:

- Remove the broad useSessions subscription from the VS Code layout header path and subscribe only to the active session title and initial-session existence.

- Unmount the compact VS Code session sidebar when the user is in chat view instead of keeping the hidden session list mounted and subscribed.

- Compute the latest assistant model and latest context-token usage in a single reverse scan of current-session messages instead of scanning the same list twice.

- Remove switcher git-status warmup work so the switcher reads already-loaded branch labels without starting extra background git status requests.

Markdown and file-reference safeguards:

- Skip expensive syntax highlighting for very large code blocks, with a 200-line cap in VS Code and a softer 1200-line cap in web.

- Add an LRU cap to file-reference stat lookups so the cache cannot grow without bound across many rendered messages.

- Limit the number of file references annotated per render to 40 in VS Code and 200 in web to prevent large assistant outputs from spawning too many stat checks.

- Clear file-link annotations when file-reference mode is disabled so stale attributes and handlers do not remain on previously annotated nodes.

Assistant-message action and preview reductions:

- Skip preview URL scanning on VS Code, mobile, and mini-chat surfaces so assistant text and tool output are not scanned where the preview action is unavailable.

- Skip Save-as-Plan project lookup on VS Code, mini-chat, and mobile surfaces.

- Hide Save-as-Plan and Start MultiRun assistant-message actions on VS Code, mini-chat, and mobile surfaces.

- Resolve the current session directory on demand for assistant actions instead of subscribing each assistant message to the full session list.

Tool and task rendering optimizations:

- Prefer finalized task metadata summaries without fetching child-session messages when the summary is already present.

- Avoid polling or final-fetching task child sessions once a final metadata summary is available.

- Use VS Code-specific task child fetch limits of 30 records for initial, active, and idle fetches.

- Parse diff stats by scanning patch text line-by-line instead of splitting large patches into arrays.

- Count write-tool lines by scanning content instead of allocating a split array for large files.

- Avoid trimming large patch strings just to test whether they contain content.

- Memoize diff and write statistics so unchanged tool parts do not recalculate them on every render.

VS Code bridge improvements:

- Return JSON and text proxy responses through the VS Code bridge as bodyText instead of base64 so the webview avoids synchronous base64 decoding for common API responses.

- Keep binary responses on the base64 path while making bodyBase64 optional in the bridge contract.

- Strip content-length, content-encoding, and transfer-encoding headers from proxied responses because the bridge reconstructs the Response body.

Validation:

- bun run type-check

- bun run lint

- bun run vscode:build
2026-05-21 15:45:44 +03:00
Isaac Sanchez-HawkinsandIsaac Sanchez 65c54411de fix(sync): fetch sessions in active directory (#1231)
Co-authored-by: Isaac Sanchez <isanchez-hawkins@arize.com>
2026-05-12 11:01:10 +03:00
Bohdan Triapitsyn e892346c6b refactor: stabilize live chat sync materialization (#1132)
Canonicalize session message/part materialization across load, prefetch, reconnect, and recovery paths so OpenChamber restores session snapshots through one consistent merge flow.

Preserve live assistant streaming text when stale or delayed snapshots arrive, while still replacing optimistic user parts with confirmed server snapshots to avoid duplicated user messages.

Narrow recovery triggers to explicit incomplete snapshot signals instead of broad session-event fallbacks, reducing unnecessary session refetches during active streaming.

Keep turn windowing aligned with parented assistant replies and add regression coverage for materialization gaps, stale snapshot protection, optimistic user replacement, reconnect recovery, and turn grouping.
2026-05-07 18:57:44 +03:00
Bohdan Triapitsyn ff830d3812 fix: protect live session sync caches 2026-05-07 12:30:30 +03:00
Bohdan Triapitsyn 958ffe063e fix: stabilize older message loading 2026-04-28 16:26:35 +03:00
Bohdan TriapitsynandIuliia Ivashko c9e31a0e6c perf: harden sync architecture and modularize runtimes (#803)
* fix: added desktop app background throttling

* perf: add streaming debug metrics panel

- Show streaming performance metrics in the debug panel
- Auto-enable stream profiling while the panel is open
- Add JSON export for sharing UI and VS Code metrics

* perf: batch streaming updates more aggressively

- Buffer message deltas and metadata updates to cut render churn
- Skip no-op part updates before they touch the message store
- Fix the desktop debug panel shortcut binding

* perf: split streaming event handling and coalesce deltas

- Move streaming content events onto a dedicated fast path
- Defer non-critical stream side effects off the hot path
- Merge repeated message delta events before they reach the UI

* perf: isolate streaming rows from chat rerenders

- Memoize chat rows against render-relevant message changes only
- Read live assistant text directly from store to narrow streaming updates
- Split the active streaming entry from the stable message list path

* perf: streamline chat streaming and SSE proxying

- Reduce chat rerenders around the active streaming path
- Simplify server SSE forwarding to avoid duplicate proxy work

* fix: preserve the first streaming text chunk

- Show the initial text chunk immediately before batched deltas arrive
- Bypass batching for the first text or reasoning part update
- Keep later streaming updates buffered for performance

* perf: align streaming/render hot paths with opencode parity

* perf: harden turn/cache stability and stale delta suppression

* fix: stabilize chat rendering and disable timeline interactions

- Disabled timeline dialog access from shortcuts, commands, and chat input
- Reduced chat render churn by simplifying message list and turn staging behavior
- Improved session-switch stability to prevent update-depth crashes

* perf: track static message rerenders during streaming

* perf: reduce sorted-mode activity rerender fanout

* perf: reduce chat rerender fanout and add active-turn metrics

- Reduced sorted-mode rerender coupling by tightening turn context propagation
- Added a metric for static rerenders outside the active turn during streaming
- Exposed new chat render counters in the debug panel for parity tracking

* fix: keep sorted activity mounted while stream grows

* fix: stabilize session and history scroll rendering

* refactor: decouple server routes from index

* refactor: extract fs module from server index

* refactor: move opencode route ownership into module

* refactor: extract notification route registration

* refactor: extract opencode and notification runtimes from index

* refactor: extract settings runtime and complete server modularization pass

* refactor: modularize server config, skills, icons, and tunnel routes

* refactor: extract server modules from monolithic index.js

Split proxy, routes, runtime helpers, and notification emitter
into dedicated modules under packages/web/server/lib/.

* refactor: replace session/message stores with SSE-driven sync layer

Delete ~9200 lines of old architecture (useEventStream, messageStore,
sessionStore, useSessionStore, questionStore, useTodoStore, client SSE).

New sync layer: event pipeline with coalescing + 16ms flush, pure event
reducer, per-directory child stores with LRU eviction, cursor pagination,
optimistic updates, deferred timeline staging, text throttle.

Migrate all UI consumers to sync hooks (useSessionMessages,
useSessionMessageRecords, useSessionStatus, useSessionPermissions, etc).

Strip session-ui-store to UI-only state, delegate SDK ops to
session-actions with abort-if-busy, optimistic store updates, and
response merging for revert/fork/archive/delete.

Add notification-store for SSE-driven session attention tracking,
cross-directory GlobalSessionStatusStore for sidebar indicators,
client-side diff snapshot sanitization to prevent memory bloat,
and revert message filtering via useVisibleSessionMessages.

* feat: notification store, session actions, activity detection

Add notification-store.ts for SSE-driven attention tracking.
Add sanitize.ts to strip diff snapshot memory bloat.
Add session-actions.ts with optimistic revert/fork/archive/delete.
Improve useSessionActivity with incomplete-message fallback.
Delete useServerSessionStatus polling hook.

* fix: add directory param to all SDK calls, fix command/shell/abort routing

All SDK calls in session-actions.ts now pass directory parameter —
required by OpenCode server to scope session operations. Without it,
abort, commands, revert, fork, and other operations returned 500.

Add routeMessage() in session-ui-store for shell mode (session.shell),
slash commands (session.command), and normal prompts. Command lookup
checks both sync child store and useCommandsStore. Handle /compact
locally via session.summarize().

Implement getContextUsage() to restore header context usage display —
reads token counts from last assistant message in sync store.

* refactor: replace custom API proxy with http-proxy-middleware

Remove ~280 lines of custom proxy code: forwardSseRequest,
forwardGenericApiRequest, collectRequestBodyBuffer, header
manipulation, hop-by-hop filtering, SSE block buffering.

Replace with single createProxyMiddleware() call that handles
SSE streaming, large bodies, and timeouts out of the box.
Dynamic router for OpenCode port changes after restarts.
Auth headers injected via proxyReq hook.

Keep: readiness gate, Windows session merge, API prefix detection.

* perf: targeted event draft cloning to fix streaming render cascade

Event handler was eagerly cloning all state slices on every event,
breaking Zustand selector referential equality. During streaming
(~60 events/sec), this caused every subscriber to re-render regardless
of which slice actually changed.

Now only clones fields the specific event type mutates. Also extracts
StatusRowContainer to isolate high-frequency useAssistantStatus
subscription, removes dead messageStreamStatesMap subscription from
ChatContainer, and narrows useAssistantStatus to only track last
assistant message parts.

MessageList renders: 1972 → 296 per streaming session (-85%).

* fix: null safety for sync state slices

Add defensive ?? {} guards on permission, question, session_status,
and message record access. Prevents crashes when child store state
is partially initialized during bootstrap.

* perf: dedup inflight SDK calls, extract concurrency util, delay PR tracking

Extract mapWithConcurrency to shared lib/concurrency.ts. Add in-flight
dedup for loadProviders/loadAgents to prevent concurrent duplicate SDK
calls. Delay initial PR background tracking by 5s to reduce startup
CPU burst.

* fix: header session lookup across all child stores

Session title and context panel click failed when session belonged to
a different directory than the current child store. Fall back to
getAllSyncSessions() to search all initialized stores.

* chore: bump @opencode-ai/sdk to 1.3.5

* docs: add sync event handling guide

* Optimize session prefetch and improve delete/archive UX

- Add settlement delay to session prefetch to avoid race conditions on
  rapid session switches
- Reduce git diff prefetch and session cache limits for better performance
- Implement optimistic UI updates for session delete/archive operations
  with proper rollback on failure
- Wire session prefetch hook into SessionSidebar with sync integration

* Add file content cache and sync optimizations

- Wrap FilesAPI with in-memory LRU cache for file content with dual
  constraints (entry count and byte size)
- Optimize chat timeline scroll restoration using useLayoutEffect
- Preserve React references in message and part arrays to prevent
  unnecessary re-renders when prepending history
- Add session prefetch TTL cache to prevent redundant fetches
- Integrate session prefetch cache clearing with eviction flow

* Improve session sidebar error handling and add diff prefetch filtering

Load active and archived sessions independently using Promise.allSettled
to prevent one failure from blocking the other. Add retry logic to session
API calls and skip large files during diff prefetch to improve performance.

* Replace sendMessage with optimisticSend wrapper

Introduces optimistic UI updates for normal chat messages to provide
instant feedback. Messages appear immediately in the UI while the API
call executes in the background, with automatic rollback on errors.

* perf: split stores, proper optimistic send, fix revert/directory bugs

- split session-ui-store into voice/input/selection/viewport stores
  to reduce subscriber re-evaluation during streaming
- wire optimisticSend through useSync shadow Map infrastructure
  matching OpenCode's pattern (no heuristic part detection)
- port OpenCode Identifier.ascending ID format for correct sorting
- pass messageID to promptAsync to prevent duplicate messages
- fix worktree directory not propagating to session actions
  (dynamic dir() via opencodeClient.getDirectory)
- fix setCurrentSession accepting directoryHint for new sessions
- fix revert not hiding messages (session limit was 5, bumped to match loaded count)
- fix revert optimistic message removal from store
- fix load-more flicker (useLayoutEffect scroll compensation)
- add prefetch TTL cache, file content LRU cache
- add session prefetch for adjacent sessions
- add instant archive/delete (optimistic before SDK call)
- migrate legacy window.__zustand_session_store__ to session-ui-store
- add retry + independent error handling for archived sessions
- add AGENTS.md performance rules

* perf: startup optimization — dedup, caching, light git status, diff rendering gates

- defer diff prefetch to git tab open, reduce concurrency 4→2, skip >500 changed lines
- cap project git checks concurrency (2), directory status probe (3)
- dedup provider/agent loading, github auth, worktree list (in-flight + TTL caches)
- delay PR tracking 5s, cache 403 search failures per-repo
- coalesce settings PUT (200ms debounce), cache settings GET (2s TTL)
- cache canonical directory resolution (60s TTL)
- persist missing directory status to localStorage (10min TTL)
- light/heavy git status: polling skips numstat+line counting+rev-list
- large diff rendering gate (>500 lines → "render anyway" button)
- tokenization degradation for >500KB files in Pierre
- parallelize main.tsx pre-render awaits
- batch sidebar file tree expanded paths restoration (3 at a time)
- remove bare useConfigStore() subscription in AgentsPage
- sync worktree sandboxes to OpenCode SQLite DB
- fix RightSidebarTabs ternary → explicit tab matching
- defensive guards on sync state (session_status, permission, question, message)

* fix: add defensive guards on remaining sync state field accesses

guard session_status, permission, message, todo, part, config with ?? {}
in useDirectorySync selectors, session-cache, and bootstrap

* fix: add missing directory dep to useCallback in use-sync.ts

* fix: preserve diffStats when light-mode polling overwrites status

* perf: optimize startup git status polling and diff rendering

Preserves diff stats when lightweight polling updates repository status
Reduces startup overhead with smarter git polling and store updates
Adds detailed optimization and migration docs for next performance steps

* fix: keep chat diff stats stable during git status updates

Prevents lightweight git polling from dropping diff statistics
Keeps MessageList diff indicators consistent while status refreshes
Improves reliability of git-aware chat rendering

* fix: user animation replay, queued message variant, startup provider loading

- consume animation ID after first play to prevent re-animation
  on neighbor assistant message completion
- capture send config (model/agent/variant) at queue time matching
  OpenCode's FollowupDraft pattern instead of re-resolving at send time
- replace one-shot startup recovery effect with polling interval
  that retries every 2s until providers and agents load
- fix optimistic bridge to avoid re-render loop (stable ref wrappers)

* chore: update tauri to 2.10.3 and all plugins to latest

- tauri 2.9.4 → 2.10.3
- tauri-build 2.5.3 → 2.5.6
- tauri-plugin-dialog 2.4.2 → 2.6.0
- tauri-plugin-log 2.7.1 → 2.8.0
- tauri-plugin-shell 2.3.3 → 2.3.5
- tauri-plugin-updater 2 (floating) → 2.10.0 (pinned)
- @tauri-apps/api ^2.9.0 → ^2.10.1
- wry 0.53.5 → 0.54.4 (transitive)

* refactor: decouple web server index orchestration runtimes

* fix: align VS Code runtime behavior with web and reduce draft view CPU load

- Queue VS Code bridge and SSE startup requests until API readiness to avoid false bootstrap failures
- Make agent manager actions directory-aware and remove real worktrees with safer partial-failure handling
- Replace heavy logo animation path with a lightweight pulse to cut draft-session CPU usage

* fix: restore auto-selected file sending in chat input

- Send server-selected files as proper file URLs in the message payload
- Include server-backed attachments in submit flow instead of dropping them
- Restore queued-message attachments through the refactored input store

* fix: restore session model selection consistently on session switch

- Restore agent, model, and variant from the latest loaded user message for each session
- Wait for session messages before applying restored selections to avoid stale or missing state
- Remove legacy session-choice inference paths that caused overlap and instability

* fix: restore permission replies and auto-accept across sessions

- Scope permission and question replies to the target session directory so answers take effect reliably
- Make permission auto-accept immediately handle pending requests and react to new permission prompts
- Keep parent-session handling working for child-session requests through the shared response path

* feat: add reusable fuzzy branch fuzzy-search helper and dialog integration (#798)

* feat: add reusable fuzzy branch search for worktrees

* chore: drop planning docs from feature branch

* feat: make worktree branch refresh manual

* feat: add configurable session retention action

* refactor: centralize global session state in ui store

* fix: cancel debounced permission push after reply

* docs: clarify global and directory session store architecture

* docs: refine agent development rules and session activity guidance

- Clarify agent code of conduct and durable development patterns
- Add explicit shared-store rerender and live-state guidance
- Narrow session activity fallback to avoid stale working state

* chore: updated .gitignore

---------

Co-authored-by: Iuliia Ivashko <yulia.ivashko@gmail.com>
2026-03-31 18:47:00 +03:00