hermes-agent

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Author	SHA1	Message	Date
brooklyn!andClaude Opus 4.7	3ffbdfbcc0	desktop: registry-driven slash commands + first-class /resume & /handoff (#42351 ) * desktop: surface /tools, /save, /personality and fix /help skill count Move /tools and /save out of TERMINAL_ONLY_COMMANDS and /personality out of ADVANCED_COMMANDS so they appear in the desktop slash palette and execute via the existing slash.exec → command.dispatch fallback. The backend gateway already accepts these through slash.exec (none are in _PENDING_INPUT_COMMANDS or the skill list), so no backend change is required. Recompute skill_count in filterDesktopCommandsCatalog from the filtered pairs. Previously the /help footer echoed the unfiltered backend total — e.g. "60 skill commands available" while only ~29 actually appeared in the rendered list, because the desktop hides terminal-only, picker-owned, and advanced commands. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * desktop: keep slash popover live while typing args The trigger regex `(?:^\|[\s])([@/])([^\s@/])$` stopped matching the moment the user typed a space after a slash command, so the popover never showed arg completions for `/personality`, `/tools`, etc. — even though the backend's `complete.slash` already returns them with a `replace_from` indicator. Split the trigger detection so `/` allows args (`/cmd arg1 arg2`) while `@` keeps the strict no-space behavior. Restrict the slash command name to `[a-zA-Z][\w-]` so file paths like `src/foo/bar` don't accidentally trigger the popover. Rewrite arg-completion items in useSlashCompletions to insert the full `/personality alice` token instead of stranding `/alice`: when `replace_from` is past the command base, prepend the existing prefix to each item's text so the chip serializer produces a coherent replacement. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * cli: complete toolset names after /tools enable\|disable SlashCommandCompleter previously only auto-derived the first subcommand level from args_hint, so `/tools enable <tab>` yielded nothing — the user had to remember every toolset key (web, file, spotify, …) and every MCP server prefix. Add `_tools_completions` that handles both stages: subcommand (list\|disable\|enable) and tool name. Filter by current enable state so `/tools enable <tab>` only offers disabled toolsets and `/tools disable <tab>` only offers enabled ones — no point suggesting a no-op. MCP server prefixes (server:) come from the saved mcp_servers config; per-tool completion under a server would require runtime MCP introspection and is left as follow-up. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * desktop: registry-driven slash commands with first-class pickers Collapse the if/else slash dispatch into one DESKTOP_COMMAND_SPECS table that drives popover suggestions, per-type composer pills, and execution. - /resume, /sessions, /switch: inline session completions (like /skin) plus a "Browse all sessions…" entry that opens a dedicated session picker overlay - /handoff: inline platform completion + handoff.request/handoff.state gateway bridge so desktop reaches CLI parity - colored per-type pills (command/skill/theme) in the composer - strip ANSI and fix width/alignment of slash output in the chat panel * desktop: fold repeated slash session/output boilerplate into one helper runExec, /title, /help and the unavailable case each re-derived the same ensure-session → bail-with-notify → build-renderSlashOutput dance. withSlashOutput() returns {sessionId, render} or null, so each handler is a two-line resolve instead of an eight-line preamble. * desktop: keep backend meta on slash arg completions Arg suggestions (/personality <name>, /tools enable <toolset>, /handoff <platform>) were having their meta overwritten with the parent command's registry description: desktopSlashDescription("/personality none") canonicalizes back to /personality and returns its blurb. Skip the lookup for arg rows so the backend's own display_meta ("clear personality overlay", etc.) survives. * cli: list real personalities in /personality completion _personality_completions resolved load_config().agent.personalities — but that schema has no agent.personalities key, so completion always returned just `none` even though the runtime (load_cli_config().agent.personalities) ships a dozen built-ins (helpful, kawaii, pirate, …). Read from the same source the command actually applies, so `/personality ` surfaces the real options. * desktop: expand bare arg-commands to their options on pick Picking a command like /personality from the slash popover committed it immediately instead of advancing to its argument list. Mark arg-taking commands (/skin, /resume, /handoff, /personality, /tools) in the registry and, when one is picked bare, insert "/cmd " as plain text and re-open the popover on its inline options — mirroring typing "/cmd " by hand. Arg picks (serialized text already contains a space) still commit a single pill. Also realign trigger-popover loading test with the redesigned popover (the /help empty-state hint shows when resolved, not while the spinner is up); the merge from main reintroduced the pre-redesign expectation. * tui_gateway: fold session-db close into a context manager Both handoff RPCs repeated the same `db, close_db = _session_db_handle()` + `finally: if close_db: db.close()` dance. Turn the helper into a `_session_db` contextmanager that owns the close, so callers just `with _session_db(session) as db:`. * desktop: unblock handoff retries and exact resume ids Clear timed-out desktop handoffs through the gateway so retries are not stuck behind a pending row, and let typed /resume session ids bypass the loaded sidebar cache. --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>	2026-06-11 01:49:24 +00:00
brooklyn!	e003c53b06	chore(desktop): zero eslint/typecheck debt + prettier pass (#39100 ) - eslint --fix across src/ and electron/ (unused imports, import/prop sort, padding) - flatten empty catch blocks in electron CJS; drop unused applyUpdatesPosixInApp arg - add setMutableRef helper for imperative ref writes (react-compiler clean) - move sidebar cookie persistence into an effect; extract scrollElementToBottom helper	2026-06-04 14:10:38 +00:00
Austin PickettandCursor	ac76bbe21f	fix(desktop): triage batch of GUI quality-of-life fixes (#37536 ) * fix(desktop): triage 24 GUI quality-of-life fixes across sidebar, composer, tool cards, messaging, and platform plumbing A grab-bag of high-leverage UX fixes plus a few backend touches that the GUI needs to behave correctly on Windows. Sidebar / sessions - Decrement $sessionsTotal on delete + archive so "Load N more" stops claiming removed rows are still on the server. - Hide the "Group by workspace" toggle when no unpinned sessions exist. - Accept Cmd/Ctrl+N as a "new session" accelerator (in addition to bare Shift+N), and render the kbd hint per-platform. - Switch the statusbar to overflow-x-clip so untitled sessions don't paint a horizontal scrollbar at the bottom of the window. Messaging + Cron - Add [-webkit-app-region: no-drag] to the page-search input so clicks reach the field instead of routing to the OS window-drag handler. - Replace single-letter PlatformAvatar with brand glyphs from @icons-pack/react-simple-icons (telegram, discord, matrix, signal, whatsapp, mattermost, wechat, qq, ...). Letter monogram fallback for Slack / Dingtalk / Feishu / WeCom (removed from Simple Icons at brand owner request). - Drop the duplicate "Create first cron" button in the empty state. Composer - Dedupe pasted images by (name, size, lastModified, type) instead of Blob identity; Chromium hands us the same screenshot via both clipboard.items and clipboard.files with fresh File instances. - Enable spellcheck on the contentEditable, configure Chromium's spellchecker with the system locale on whenReady, and add replaceMisspelling + "Add to dictionary" entries to the context menu. - Render user messages through a minimal markdown pipeline (inline backtick code + fenced ``` blocks) while keeping @file:/@image: directive chips intact. - max-h-[60vh] overflow-y-auto + collisionPadding on the prompt-snippet submenu. - Bake cursor-pointer into the <Button> primitive (with disabled:cursor-default) and into titlebarButtonClass. Dialogs + tabs + version - Default DialogContent now has max-h-[85vh] overflow-y-auto so long bodies scroll instead of falling off-screen. - Right-rail preview tabs close on middle-click (button === 1), with an onMouseDown swallow to suppress Chromium autoscroll. - New refreshDesktopVersion() helper called from About mount, after every update check, and on throttled window focus so About reflects the just-installed binary. Keys + Artifacts + Terminal - Drop the global "Show advanced" toggle in KeysSettings. Provider groups now default-expand when they have any key set. - Extend openExternalUrl to handle file:// via shell.openPath, with showItemInFolder fallback when the OS can't open the file. - New lib/ansi.ts SGR parser + <AnsiText> component, applied to terminal/execute_code tool output. - ToolView gained stdout / stderr / rendersAnsi; tool-fallback renders the two streams as separate labeled blocks with stderr in a neutral tone (not destructive — many CLIs log info on stderr). - Drop 'stderr' from ERROR_MSG_KEYS in tool-result-summary. Paths + platform - resolveHermesCwd skips process.cwd() when packaged and prefers a user-configurable default project directory. - New hermes:setting:defaultProjectDir:{get,set,pick} IPC handlers + preload bridge + global.d.ts typing + a "Default project directory" row in Sessions settings. - FileOperations.delete_path(path, recursive=True) on the abstract base; ShellFileOperations.delete_file rewritten to run a cross- platform python3 -c snippet so deletes work on Windows shells (which have no rm/rm -rf). Fallback to `python` when `python3` isn't on PATH. - README troubleshooting block split into macOS/Linux + Windows PowerShell recipes. - Tightened renderer favicon links in index.html + added color-scheme and theme-color meta. Backend lifecycle (renderer-side mitigation) - New noteSessionActivity() heartbeat + session.ts watchdog: an 8-minute silence on the stream auto-clears stuck $workingSessionIds entries so "Session Busy" never gets permanently wedged. Wired into useSessionStateCache so every state update refreshes the timer. i18n spike - docs/desktop-i18n-rfc.md scoping a future language-switcher PR (recommends react-intl, audits IME/RTL/CJK in the composer + chat bubbles, 4-PR rollout plan, ~3-4 eng-weeks for the first non-English locale). Co-authored-by: Cursor <cursoragent@cursor.com> * fix(desktop): replace native OS scrollbar in portaled dropdown menus Radix's DropdownMenuPrimitive.Portal renders content under document.body, outside the `.scrollbar-dt` scope on #root. Whenever a menu's max-height clipped its content (even by a pixel — common for the composer "+" menu that opens upward near the bottom of the window), the user saw the OS's chunky native scrollbar painted across the whole menu. Bake a thin, slot-styled scrollbar onto DropdownMenuContent and DropdownMenuSubContent via [scrollbar-width:thin] + WebKit pseudo-element arbitrary variants. The submenu also gets a max-h tied to --radix-dropdown-menu-content-available-height so long snippet lists scroll cleanly instead of running off the bottom of the viewport. Drop the now- redundant max-h-[60vh] override on the prompt-snippet submenu. Co-authored-by: Cursor <cursoragent@cursor.com> * fix(desktop): unbork dropdown menu — submenu opens, parent isn't a circle Two regressions from the previous dropdown-scrollbar fix: - The parent menu rendered as a rounded oval. Long Tailwind v4 arbitrary- variant strings like [&::-webkit-scrollbar-thumb]:rounded-full inside a cn() call were being mis-resolved so the `rounded-full` leaked onto the menu container itself. Replaced the whole tower of arbitrary variants with a real `.dt-portal-scrollbar` class in styles.css that mirrors what `.scrollbar-dt` already does for #root descendants. Plain CSS, no Tailwind parser ambiguity. - The Prompt snippets submenu didn't open. Radix publishes --radix-dropdown-menu-content-available-height on Content but NOT on SubContent, so the `max-h` bound to that variable computed to 0 and the submenu collapsed to zero height. Switched SubContent to a fixed max-h-80 (≈20rem) which is plenty for a snippet list and never collapses. Co-authored-by: Cursor <cursoragent@cursor.com> * fix(desktop): promote prompt snippets from Radix submenu to a real Dialog The submenu refused to open when the parent dropdown was anchored at the bottom of the window (composer "+" button) — Radix's collision detection + SubContent positioning was fighting us. Rather than keep tuning side / sideOffset / collisionPadding / max-h until something stuck, replace the DropdownMenuSub with a clicked DropdownMenuItem that opens a proper Dialog. Side benefits over the submenu: - Each snippet gets a description line, so a glance is enough to pick one. - Focus management is handled by Dialog automatically. - Easy to grow (search, custom user snippets, categories) without another round of Radix positioning bugs. Also extract types/interfaces to the bottom of the file per workspace convention. Co-authored-by: Cursor <cursoragent@cursor.com> * fix(desktop): move cron 'New cron' button off the top bar into the body Reverses the previous direction on cron empty-state dedup. The body button is more discoverable for first-time users (it's anchored next to the "No scheduled jobs yet" copy that explains the feature) and frees the top bar from a global CTA that wasn't pulling its weight. - Empty (zero jobs): EmptyState renders the "Create first cron" button again, like the original design. - Empty (search filtered out all jobs): no button, just "Try a broader search query" copy. - Has jobs: small inline header above the list shows `N/M active` plus a single "New cron" button (right-aligned). The rows themselves already cover edit/pause/trigger/delete, so this is the only "create" affordance. Also drop the dead `<div className="hidden">…</div>` enabledCount line the previous patch left behind; the count is now visible in the new header instead of hidden. Co-authored-by: Cursor <cursoragent@cursor.com> * fix(desktop): address Copilot review on PR 37536 - sessions-settings: guard the WHOLE bridge call rather than chaining `?.settings.foo().then(...)` — the latter throws when `window.hermesDesktop` is undefined (non-Electron / Vitest contexts) because the chain short-circuits to `undefined.then(...)`. - file_operations: drop `Path.unlink(missing_ok=True)` (Py>=3.8) so the generated delete snippet still works on remote backends running Python 3.7. The existing FileNotFoundError handler covers the same case and works back to 3.4. - ansi.test.ts: add focused Vitest coverage for the SGR parser (basic/bright colors, bold toggles, default-fg reset, coalescing, 256-color / truecolor arg consumption, non-SGR CSI drop, empty SGR full-reset) so future refactors can't silently regress terminal rendering. Co-authored-by: Cursor <cursoragent@cursor.com> * fix(desktop/updates): swallow refreshDesktopVersion bridge errors `refreshDesktopVersion()` is called best-effort with `void` from `checkUpdates()`, `startUpdatePoller()`, and the window focus handler. If the IPC bridge rejects (main process shutting down during reload, bridge not yet ready on first paint), the rejection surfaces as an unhandled promise rejection in the renderer. Wrap the call in try/catch and return null on failure so callers can keep the existing fire-and-forget pattern safely. Co-authored-by: Cursor <cursoragent@cursor.com> * chore(desktop): drop work duplicated by other in-flight PRs - composer/text-utils.ts: revert paste-image dedupe — PR #37596 ships the same fix with a cleaner content-key approach and a Vitest file (text-utils.test.ts). Letting that PR own the change. - docs/desktop-i18n-rfc.md: delete the i18n scoping RFC — PR #37568 has already shipped a working i18n surface (homegrown nanostores `t()` helper over en/zh dictionaries), so the RFC's framework recommendation (`react-intl`) is now obsolete and would just contradict the implementation that's actually landing. Co-authored-by: Cursor <cursoragent@cursor.com> --------- Co-authored-by: Cursor <cursoragent@cursor.com>	2026-06-02 16:33:22 -04:00

Author

SHA1

Message

Date

brooklyn!andClaude Opus 4.7

3ffbdfbcc0

desktop: registry-driven slash commands + first-class /resume & /handoff (#42351 )

* desktop: surface /tools, /save, /personality and fix /help skill count

Move /tools and /save out of TERMINAL_ONLY_COMMANDS and /personality out of
ADVANCED_COMMANDS so they appear in the desktop slash palette and execute via
the existing slash.exec → command.dispatch fallback. The backend gateway already
accepts these through slash.exec (none are in _PENDING_INPUT_COMMANDS or the
skill list), so no backend change is required.

Recompute skill_count in filterDesktopCommandsCatalog from the filtered pairs.
Previously the /help footer echoed the unfiltered backend total — e.g. "60
skill commands available" while only ~29 actually appeared in the rendered
list, because the desktop hides terminal-only, picker-owned, and advanced
commands.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* desktop: keep slash popover live while typing args

The trigger regex `(?:^|[\s])([@/])([^\s@/]*)$` stopped matching the moment
the user typed a space after a slash command, so the popover never showed arg
completions for `/personality`, `/tools`, etc. — even though the backend's
`complete.slash` already returns them with a `replace_from` indicator.

Split the trigger detection so `/` allows args (`/cmd arg1 arg2`) while `@`
keeps the strict no-space behavior. Restrict the slash command name to
`[a-zA-Z][\w-]*` so file paths like `src/foo/bar` don't accidentally trigger
the popover.

Rewrite arg-completion items in useSlashCompletions to insert the full
`/personality alice` token instead of stranding `/alice`: when `replace_from`
is past the command base, prepend the existing prefix to each item's text so
the chip serializer produces a coherent replacement.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* cli: complete toolset names after /tools enable|disable

SlashCommandCompleter previously only auto-derived the first subcommand level
from args_hint, so `/tools enable <tab>` yielded nothing — the user had to
remember every toolset key (web, file, spotify, …) and every MCP server prefix.

Add `_tools_completions` that handles both stages: subcommand (list|disable|enable)
and tool name. Filter by current enable state so `/tools enable <tab>` only
offers disabled toolsets and `/tools disable <tab>` only offers enabled ones —
no point suggesting a no-op. MCP server prefixes (server:) come from the
saved mcp_servers config; per-tool completion under a server would require
runtime MCP introspection and is left as follow-up.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* desktop: registry-driven slash commands with first-class pickers

Collapse the if/else slash dispatch into one DESKTOP_COMMAND_SPECS table
that drives popover suggestions, per-type composer pills, and execution.

- /resume, /sessions, /switch: inline session completions (like /skin) plus
  a "Browse all sessions…" entry that opens a dedicated session picker overlay
- /handoff: inline platform completion + handoff.request/handoff.state
  gateway bridge so desktop reaches CLI parity
- colored per-type pills (command/skill/theme) in the composer
- strip ANSI and fix width/alignment of slash output in the chat panel

* desktop: fold repeated slash session/output boilerplate into one helper

runExec, /title, /help and the unavailable case each re-derived the same
ensure-session → bail-with-notify → build-renderSlashOutput dance.
withSlashOutput() returns {sessionId, render} or null, so each handler is
a two-line resolve instead of an eight-line preamble.

* desktop: keep backend meta on slash arg completions

Arg suggestions (/personality <name>, /tools enable <toolset>, /handoff
<platform>) were having their meta overwritten with the parent command's
registry description: desktopSlashDescription("/personality none") canonicalizes
back to /personality and returns its blurb. Skip the lookup for arg rows so the
backend's own display_meta ("clear personality overlay", etc.) survives.

* cli: list real personalities in /personality completion

_personality_completions resolved load_config().agent.personalities — but that
schema has no agent.personalities key, so completion always returned just
`none` even though the runtime (load_cli_config().agent.personalities) ships a
dozen built-ins (helpful, kawaii, pirate, …). Read from the same source the
command actually applies, so `/personality ` surfaces the real options.

* desktop: expand bare arg-commands to their options on pick

Picking a command like /personality from the slash popover committed it
immediately instead of advancing to its argument list. Mark arg-taking
commands (/skin, /resume, /handoff, /personality, /tools) in the registry
and, when one is picked bare, insert "/cmd " as plain text and re-open the
popover on its inline options — mirroring typing "/cmd " by hand. Arg picks
(serialized text already contains a space) still commit a single pill.

Also realign trigger-popover loading test with the redesigned popover (the
/help empty-state hint shows when resolved, not while the spinner is up);
the merge from main reintroduced the pre-redesign expectation.

* tui_gateway: fold session-db close into a context manager

Both handoff RPCs repeated the same `db, close_db = _session_db_handle()`
+ `finally: if close_db: db.close()` dance. Turn the helper into a
`_session_db` contextmanager that owns the close, so callers just
`with _session_db(session) as db:`.

* desktop: unblock handoff retries and exact resume ids

Clear timed-out desktop handoffs through the gateway so retries are not stuck behind a pending row, and let typed /resume session ids bypass the loaded sidebar cache.

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-06-11 01:49:24 +00:00

brooklyn!

e003c53b06

chore(desktop): zero eslint/typecheck debt + prettier pass (#39100 )

- eslint --fix across src/ and electron/ (unused imports, import/prop sort, padding)
- flatten empty catch blocks in electron CJS; drop unused applyUpdatesPosixInApp arg
- add setMutableRef helper for imperative ref writes (react-compiler clean)
- move sidebar cookie persistence into an effect; extract scrollElementToBottom helper

2026-06-04 14:10:38 +00:00

Austin PickettandCursor

ac76bbe21f

fix(desktop): triage batch of GUI quality-of-life fixes (#37536 )

* fix(desktop): triage 24 GUI quality-of-life fixes across sidebar, composer, tool cards, messaging, and platform plumbing

A grab-bag of high-leverage UX fixes plus a few backend touches that the
GUI needs to behave correctly on Windows.

Sidebar / sessions
- Decrement $sessionsTotal on delete + archive so "Load N more" stops
claiming removed rows are still on the server.
- Hide the "Group by workspace" toggle when no unpinned sessions exist.
- Accept Cmd/Ctrl+N as a "new session" accelerator (in addition to bare
Shift+N), and render the kbd hint per-platform.
- Switch the statusbar to overflow-x-clip so untitled sessions don't
paint a horizontal scrollbar at the bottom of the window.

Messaging + Cron
- Add [-webkit-app-region: no-drag] to the page-search input so clicks
reach the field instead of routing to the OS window-drag handler.
- Replace single-letter PlatformAvatar with brand glyphs from
@icons-pack/react-simple-icons (telegram, discord, matrix, signal,
whatsapp, mattermost, wechat, qq, ...). Letter monogram fallback for
Slack / Dingtalk / Feishu / WeCom (removed from Simple Icons at brand
owner request).
- Drop the duplicate "Create first cron" button in the empty state.

Composer
- Dedupe pasted images by (name, size, lastModified, type) instead of
Blob identity; Chromium hands us the same screenshot via both
clipboard.items and clipboard.files with fresh File instances.
- Enable spellcheck on the contentEditable, configure Chromium's
spellchecker with the system locale on whenReady, and add
replaceMisspelling + "Add to dictionary" entries to the context menu.
- Render user messages through a minimal markdown pipeline (inline
backtick code + fenced ``` blocks) while keeping @file:/@image:
directive chips intact.
- max-h-[60vh] overflow-y-auto + collisionPadding on the prompt-snippet
submenu.
- Bake cursor-pointer into the <Button> primitive (with
disabled:cursor-default) and into titlebarButtonClass.

Dialogs + tabs + version
- Default DialogContent now has max-h-[85vh] overflow-y-auto so long
bodies scroll instead of falling off-screen.
- Right-rail preview tabs close on middle-click (button === 1), with an
onMouseDown swallow to suppress Chromium autoscroll.
- New refreshDesktopVersion() helper called from About mount, after
every update check, and on throttled window focus so About reflects
the just-installed binary.

Keys + Artifacts + Terminal
- Drop the global "Show advanced" toggle in KeysSettings. Provider
groups now default-expand when they have any key set.
- Extend openExternalUrl to handle file:// via shell.openPath, with
showItemInFolder fallback when the OS can't open the file.
- New lib/ansi.ts SGR parser + <AnsiText> component, applied to
terminal/execute_code tool output.
- ToolView gained stdout / stderr / rendersAnsi; tool-fallback renders
the two streams as separate labeled blocks with stderr in a neutral
tone (not destructive — many CLIs log info on stderr).
- Drop 'stderr' from ERROR_MSG_KEYS in tool-result-summary.

Paths + platform
- resolveHermesCwd skips process.cwd() when packaged and prefers a
user-configurable default project directory.
- New hermes:setting:defaultProjectDir:{get,set,pick} IPC handlers +
preload bridge + global.d.ts typing + a "Default project directory"
row in Sessions settings.
- FileOperations.delete_path(path, recursive=True) on the abstract
base; ShellFileOperations.delete_file rewritten to run a cross-
platform python3 -c snippet so deletes work on Windows shells (which
have no rm/rm -rf). Fallback to `python` when `python3` isn't on PATH.
- README troubleshooting block split into macOS/Linux + Windows
PowerShell recipes.
- Tightened renderer favicon links in index.html + added color-scheme
and theme-color meta.

Backend lifecycle (renderer-side mitigation)
- New noteSessionActivity() heartbeat + session.ts watchdog: an
8-minute silence on the stream auto-clears stuck $workingSessionIds
entries so "Session Busy" never gets permanently wedged. Wired into
useSessionStateCache so every state update refreshes the timer.

i18n spike
- docs/desktop-i18n-rfc.md scoping a future language-switcher PR
(recommends react-intl, audits IME/RTL/CJK in the composer +
chat bubbles, 4-PR rollout plan, ~3-4 eng-weeks for the first
non-English locale).