fix[mobile]: fix channel soup truncation

[peterchinman]

also fixes re-introduction of mobile sidebar bug

Summary by CodeRabbit

• New Features

  • Channel messages now display the sender's name before the message content, providing better context

• Style

  • Sidebar is hidden on mobile devices to optimize limited screen space
  • Markdown text styling updated for consistent font weight treatment across the application

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 9c375fa8-2aa7-488c-a086-0be7ecd64aaa

📥 Commits

Reviewing files that changed from the base of the PR and between e32a9d4 and 7b39478.

📒 Files selected for processing (3)

• js/app/packages/app/component/Layout.tsx
• js/app/packages/core/component/LexicalMarkdown/theme.ts
• js/app/packages/entity/src/composed/ListEntity.tsx

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📝 Walkthrough

Walkthrough

Sidebar rendering now requires non-mobile clients; markdown clamp theme explicitly sets bold text to font-medium; channel latest-message rendering prepends the sender's first name (when available) and uses singleLine for the markdown render.

Changes

Cohort / File(s)	Summary
Sidebar Visibility Logic js/app/packages/app/component/Layout.tsx	Tightened AppSidebar render condition to also require !isMobile() (in addition to existing auth/path checks).
Theming Configuration js/app/packages/core/component/LexicalMarkdown/theme.ts	Added explicit text entry to twoLineClampMarkdownTheme: { ...theme.text, bold: 'font-medium' }.
Message Display Enhancement js/app/packages/entity/src/composed/ListEntity.tsx	Compute sender display name from latestMessage.senderId via utilities, prepend sender's first name in bold to channel latest-message markdown when present, and add singleLine prop to StaticMarkdown instance.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Poem

🐇 I hopped through code with nimble feet,
Sidebar rests where mobiles meet,
Boldened lines now softly hum,
Names lean in before the thrum,
A tiny rabbit cheers—well done! ✨

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch peter/fix-message-truncation

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[github-actions]

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