Improve inline panel, file preview, and MCP session handling (#3121)

[aaditagrawal]

What Changed

Why

UI Changes

Checklist

• This PR is small and focused
• I explained what changed and why
• I included before/after screenshots for any UI changes
• I included a video for animation/interaction changes

[aaditagrawal]

• chore: remove AnnotatableFileDiff leftovers, rename file (#3488) #123
• [codex] Structure Electron window failures (#3276) #122
• [codex] Structure terminal adapter startup defects (#3425) #121
• [codex] refactor desktop Electron Effect services (#3178) #120
• Fix PR creation from origin-based worktrees (#3218) #119
• [codex] Inline contracts request-context service shapes (#3204) #118
• fix(web): Remove saved environments atomically (#2917) #117
• [codex] Make background VCS fetch non-interactive (#3133) #116
• Improve inline panel, file preview, and MCP session handling (#3121) #115 👈 (View in Graphite)
• Add file preview comments and task toggles (#3115) #114
• Unify compact subheaders and diff file navigation #113
• Add workspace file browser and preview panel (#3087) #112
• refactor: resolve host process state through Effect (#2959) #111
• planning #110
• Fix turn fold proejctions (#3041) #109
• sync: prepare upstream dependency and runtime foundations #108
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on base/target branches other than the default branch.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: e4646cf1-561d-4948-baa2-1eac90c4d1ab

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch sync/upstream-20260617-inline-panel-mcp

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands.}