Merge branch 'main' into fix-double-message-while-streaming

Fix bugs of message disappearing sometimes and being duplicate sometimes

Fall back to HF_TOKEN env var + SOTA-aware research prompt (#4)

Fix tool errors not persisting (#3)

fix: infinite re-render loop from Zustand selector returning new []

feat: beautiful research sub-agent UI with inline progress steps

feat: render cancelled tool state in UI after user interrupt

fix: use backend is_processing as source of truth on refresh

fix: auto-retry on truncated tool calls + correct activity status on refresh

fix: live event streaming after reconnection + LiteLLM timeout

feat: SSE keepalive, reconnection, and is_processing flag

fix: disable chat input during processing after page refresh

fix: per-session state management for smooth task switching

feat: improve bash tool status labels in activity bar

Revert "fix: wire sandbox bash streaming to frontend panel"

fix: clear global activity state when switching away from a session

fix: reset approval UI state when new approval round arrives

fix: wire sandbox bash streaming to frontend panel

feat: show hardware pricing and sandbox explanation in tool approval UI

fix: properly close SDK message on error, show tool errorText

Revert "fix: show errorText for failed tools, bump eval max_iterations to 300"

fix: show errorText for failed tools, bump eval max_iterations to 300

fix: protect system prompt in undo, scan backwards for dangling tool calls, gate input on SDK status

stream sandbox creation logs to tool output, fix hf_jobs final status race

replace websocket transport with SSE

fix: remove unused StatusDot and isConnected from sidebar

fix: improve compaction summary prompt, remove sidebar status bar

fix: buffer websocket events during disconnects and replay on reconnect

fix: input tab order and remove auto-scroll on panel open

feat: input/output toggle in CodePanel, tool error handling

fix: auto-detect org membership via localStorage, remove manual button

fix: onboarding join org in iframe, sign-in on direct access

fix: simplify onboarding to join-then-oauth flow

feat: consecutive join/signin screens and sandbox status message

feat: require org membership to create sessions

feat: update models to MiniMax M2.5 (fireworks-ai) and Opus 4.6

fix: restore activity status bar when switching back to session

fix: merge consecutive assistant messages on page refresh

fix: show activity status for approval-flow tools and revert chip override

feat: resolve sandbox file paths and show tool description in status

feat: resolve sandbox file paths for hf_jobs script display

fix: reconnect WS on session switch instead of deleting dead sessions

fix: approval UI not updating after approve click

feat: per-session WebSocket architecture for parallel chat sessions

feat: cooperative cancellation, session persistence, background generation

feat: cooperative cancellation, session persistence, background generation

feat: implement cooperative agent cancellation with cancel button

fix: cast unknown to avoid TS2769 in sandbox approval UI

feat: require sandbox_create approval before sandbox operations

feat: merge HF Space improvements