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fix(chat): the background tasks list keeps to the room above the message box on a short screen - #354
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WalkthroughThe background tasks menu measures the available room above its anchor when it opens and when its anchor or pane frame resizes. CSS uses this measurement to limit menu height while retaining a one-row minimum. ChangesBackground tasks menu sizing
Priority: ➖ Normal Estimated code review effort: 2 (Simple) | ~10 minutes Change: Bug fix · Severity of issue fixed: Medium Merge Risk: 🔵 Low · up to The background tasks list now keeps to the room above the message box on short screens. In extremely short viewports the one-row minimum may still push the menu slightly out of view. This is a narrow edge case and does not block merging, but the owner should be aware of it. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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Inline comments:
Review comments at @src/components/BackgroundTasks.css:
- Line 69: Update the max-height rule in the BackgroundTasks styles to remove
the one-row minimum: cap it at the measured available room and clamp the result
to zero.
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src/components/BackgroundTasks.csssrc/components/BackgroundTasks.tsx
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Bumps package.json and herdr-plugin.toml to 0.3.44, moves the Unreleased notes under [0.3.44] - 2026-10-03, adds the compare link, and removes a merge marker line left in CHANGELOG.md by #351's conflict resolution. ### Added - Native Windows x64 installation through `install.ps1`, with the same herdr plugin startup and updates. Windows needs Bun and Git, without Node or WSL, and keeps using the terminal screen mirror. ([#330](#330) by @JJLiebig) - Settings can choose Chat, Terminal, or Auto as the default view for panes. Changing it resets remembered pane views on this device. Shell panes still open in Terminal. ([#325](#325) by @Haeminway1) - Choose the terminal input line or direct typing on desktop as well as touch screens, and customize or unbind the app's Mod+Shift shortcuts with conflict checks and reset. ([#334](#334)) ### Changed - In the sidebar's By workspace view, a workspace with one pane keeps its numbered header and can be folded, renamed and reordered from that header, just like a workspace with several panes. ([#332](#332) by @beomq) - The top usage panel shows larger percentages, remaining-capacity colors and compact reset countdowns with their local time. Expired reset times stay hidden until fresh usage arrives. ([#336](#336) by @Haeminway1) - Pane titles that contain a directory show its last folder, and matching workspace and folder names appear once in the sidebar and command palette, including Windows paths. ([#337](#337) by @Haeminway1) - In the sidebar's By workspace view, a pane row no longer repeats the workspace its header names. Its second line shows the folder only when neither the title nor the workspace already says it. ([#358](#358)) ### Fixed - GJC conversations are resolved from the foreground process directory when it differs from the pane directory. ([#333](#333) by @Kinetic27) - Direct terminal input preserves rapid IME commits when punctuation arrives before composition timers run, with a bounded xterm 5.5 backport and Korean final-consonant regression checks. Native Android/Gboard checks also fixed stale editor text after Backspace breaking the next Hangul word. Secret entry now refuses a held or unready attachment and failed PTY writes. ([#334](#334)) - New session in the browser demo opens the new session instead of leaving a blank page. ([#355](#355)) - Terminal input keeps multi-character IME commits and emoji while disconnected, waits for the attachment before sending keys, and reports input failures. Unsent input lines survive pane, lens and mode changes; late acknowledgements preserve replacement edits. Composition keeps its Enter and Send button, and terminal key-bar taps wait until it finishes. ([#334](#334)) - The background tasks list stays below the app header on a short screen, such as a phone held sideways, and scrolls inside the room above the message box. ([#354](#354)) - The mobile message box sits closer to the home indicator while retaining its base spacing. ([#335](#335) by @Haeminway1) - Adding or reconnecting a remote PC says when herdr is not running or not answering there, instead of only `Bridge verification failed (500)`. ([#353](#353)) - Shift+Enter in the live terminal sends the same newline chord as Alt+Enter, instead of plain Enter that submits an agent's message. Pending IME text is sent before the newline chord. ([#339](#339) by @WOULDU-pres) - On Windows, and from an install path with a space or a non-ASCII character, the app page loads instead of the "not built yet" notice. The Windows installer replaces a copy from a release without Windows support, and says so when a release cannot run there. ([#356](#356)) - On an iPhone home screen app, a text field that keeps its focus with the keyboard down no longer leaves a status-bar band under the message box. ([#349](#349) by @Haeminway1) - After `/new` in an OmO pane, the chat stops showing the conversation before it: OmO writes the new session's file only with its first message, and until then the chat shows what a fresh OmO shows. ([#351](#351) by @WOULDU-pres) - On a Windows PC, an omo pane shows omo's mark instead of Claude's, and its chat finds the conversation: process words with `bun.exe`, backslashes and a drive letter read as omo, and the session folder is named as omo's engine names a Windows folder. ([#342](#342) by @Haeminway1) - The chat lens finds an omo pane's conversation when its process keeps its sessions outside `~/.omo/agent` (`OMO_CODING_AGENT_DIR`, `SENPI_CODING_AGENT_DIR` or `PI_CODING_AGENT_DIR`). ([#350](#350) by @Haeminway1) passes. After the merge: .
What happened
On a short landscape viewport (844 x 390 CSS px, Compact density) the background tasks list opened above the message box ran up under the app header and past the top of the viewport. Its Workflows heading and the first workflow name could not be read, and could not be scrolled to either: the whole list fit inside the off-screen box, so
scrollHeightequalledclientHeight. With Quick replies shown above the message box the box started about 43px above the viewport.Cause
src/components/BackgroundTasks.cssplaces.bg-tasks-menuabsolutely above the composer (bottom: calc(100% + var(--space-2))) and bounded its height only bycalc(var(--row-h) * 9), never by the room between the composer and the top of the pane.Change
BackgroundTasks.tsx: while the list is open, a layout effect measures the room above the composer (composer top minus the top of the pane that holds it) and writes it to--bg-tasks-roomon the list; aResizeObserveron both keeps it current when the viewport or the composer changes height (typing, quick replies, attachments). CSS alone cannot know the composer's height.BackgroundTasks.css:max-heightis the smaller of the old nine rows and that room less a--space-2gap at each end, and never less than one row. The list already hadoverflow-y: auto, so it now scrolls inside the room.No new token, no change to the status line (still one 22px/24px row), nothing changes where there is room.
Validation
Demo build (
bun run build:site) served locally, playwright-core headless Chrome, pane "Proofread the guide" -> "2 background tasks". Settings were set through the app's stored settings record (density: compact,showQuickReplies), which is what the Settings dialog writes.On this PR the list at 844x390 starts 8px below the header with the Workflows heading and "Guide release check" visible at scrollTop 0, and the rest ("3 recently ended") is reached by scrolling the list (scrollHeight 303 > clientHeight). Desktop and portrait geometry is identical before and after. Screenshots of all eight cases were taken and looked at (
before-*.png/after-*.png, synthetic demo data only; not attached, as gh cannot upload images).bun run typecheck: cleanbun run test:unit: 1050 pass, 3 skip, 0 failNo browser regression is added: no script under
scripts/covers this component today (the OmO activity only exists in the demo transport), so there was no existing check to extend.Fixes #348