desktop-v1.19.0

## What's Changed
* perf(desktop): stop gating org switch on Electric preload by @saddlepaddle in https://github.com/superset-sh/superset/pull/6135
* feat(desktop): add safe-triangle hover intent to sidebar hover cards by @AviPeltz in https://github.com/superset-sh/superset/pull/6085
* chore(desktop): bump version to 1.18.3 by @saddlepaddle in https://github.com/superset-sh/superset/pull/6136
* fix(sentry): zero unused tracing, filter third-party noise, fix five error sources by @saddlepaddle in https://github.com/superset-sh/superset/pull/6087
* feat(desktop): add retry buttons for failed automations by @Kitenite in https://github.com/superset-sh/superset/pull/6139
* docs(marketing): weekly changelog 2026-08-02 (three-week catch-up) by @Kitenite in https://github.com/superset-sh/superset/pull/6140
* docs(contributing): strongly prefer screenshots and add CDP capture guidance by @Kitenite in https://github.com/superset-sh/superset/pull/6143
* docs(remote-workspaces): clarify ports are not forwarded locally by @Kitenite in https://github.com/superset-sh/superset/pull/6142
* fix(desktop): launch Zed via bundle IDs so any release channel opens by @aaronrosenthal in https://github.com/superset-sh/superset/pull/5982
* feat(desktop): remove close buttons from sidebar inline agent dropdown by @Kitenite in https://github.com/superset-sh/superset/pull/6144
* feat(docs): redesign sidebar and top bar to be minimal Vercel-style by @Kitenite in https://github.com/superset-sh/superset/pull/6145
* fix(desktop): keep sidebar Projects chevron visible while the section is collapsed by @Kitenite in https://github.com/superset-sh/superset/pull/6150
* revert(marketing): remove landing hero positioning experiment by @saddlepaddle in https://github.com/superset-sh/superset/pull/6155
* chore(deps): bump hono from 4.12.27 to 4.12.34 in /apps/relay by @dependabot[bot] in https://github.com/superset-sh/superset/pull/6147
* feat(shared): add harness selector to the polygraph terminal agent by @MaxKless in https://github.com/superset-sh/superset/pull/6068
* feat(desktop): separate tasks and pull requests in sidebar by @Roshvan in https://github.com/superset-sh/superset/pull/5975
* fix(api,relay,marketing,ui): clear four Sentry issue families by @saddlepaddle in https://github.com/superset-sh/superset/pull/6080
* fix(desktop): namespace host-service Sentry env vars to stop DSN leaking to spawned tools by @saddlepaddle in https://github.com/superset-sh/superset/pull/6157
* fix(docs): bump postcss to 8.5.25 to patch source-map path traversal by @AviPeltz in https://github.com/superset-sh/superset/pull/6156
* fix(relay): filter client-abandoned WS upgrade errors from Sentry by @saddlepaddle in https://github.com/superset-sh/superset/pull/6158
* feat(desktop): add sign-out option to onboarding flow by @AviPeltz in https://github.com/superset-sh/superset/pull/6162
* feat(ui): add ChatHistorySidebar message rail with Storybook setup by @saddlepaddle in https://github.com/superset-sh/superset/pull/6163
* feat(desktop): gate new-workspace-screen experiment via created_at flag targeting by @saddlepaddle in https://github.com/superset-sh/superset/pull/6159
* feat(chat-kit): chat protocol v1 package + greenfield chat design docs by @saddlepaddle in https://github.com/superset-sh/superset/pull/6166
* fix(desktop,host-service): translate expected errors at throw sites, keep the Sentry boundary dumb by @saddlepaddle in https://github.com/superset-sh/superset/pull/6164
* fix(desktop): remove doubled border between workspace panes and right sidebar by @saddlepaddle in https://github.com/superset-sh/superset/pull/6171
* fix(desktop,host-service): tolerate slow or failing post-checkout hooks during worktree creation by @Kitenite in https://github.com/superset-sh/superset/pull/6168
* docs: overhaul onboarding, add workflow recipes, and refresh docs site UI by @Kitenite in https://github.com/superset-sh/superset/pull/6175
* fix(host-service): run teardown scripts on CLI/SDK/MCP workspace deletes by @Kitenite in https://github.com/superset-sh/superset/pull/6176
* docs(cli): document terminals list/read/send/close and address review nits by @Kitenite in https://github.com/superset-sh/superset/pull/6178
* feat(marketing): revive public roadmap page synced from internal Notion roadmap by @Kitenite in https://github.com/superset-sh/superset/pull/6179
* docs: license section, plus platform and requirements accuracy fixes by @Kitenite in https://github.com/superset-sh/superset/pull/6180
* chore(automations): move docs and changelog automation rules to Notion SOPs by @Kitenite in https://github.com/superset-sh/superset/pull/6182
* feat(desktop,cli,trpc): ship superset:* plugin skills to all agents and add private feedback pipeline by @Kitenite in https://github.com/superset-sh/superset/pull/6181


**Full Changelog**: https://github.com/superset-sh/superset/compare/desktop-v1.18.3...desktop-v1.19.0