sync: merge upstream v1.1.39

[Copilot]

What does this PR do?

Merges upstream v1.1.39 (230+ commits) into fork. Updates sync tracking metadata.

Key changes:

• Merged upstream release v1.1.39 including all intermediate releases (v1.1.37, v1.1.38)
• Updated .github/last-synced-tag from v1.1.36 → v1.1.39
• Resolved bun.lock merge conflicts

Fork features verified intact:

• Double Ctrl+C exit guard (prompt/index.tsx, prompt/search.tsx)
• Shell cwd handling via Instance.directory (bash.ts)
• URI paste support (parseUriList)

How did you verify your code works?

• Verified all critical fork feature markers present in codebase
• Confirmed fork-features.json metadata current
• Code review: no issues
• Security scan: no vulnerabilities

---

💬 We'd love your input! Share your thoughts on Copilot coding agent in our 2 minute survey.

Greptile Overview

Greptile Summary

Metadata update commit that finalizes the upstream v1.1.39 merge by updating sync tracking from v1.1.36 to v1.1.39.

Key points:

• Single-file metadata change following the actual merge commit (2131c3d)
• Tracks successful integration of 230+ upstream commits spanning releases v1.1.37, v1.1.38, and v1.1.39
• Fork features verified intact: double Ctrl+C exit guard, Instance.directory shell cwd handling, and parseUriList URI paste support

Confidence Score: 5/5

• Safe to merge - metadata-only commit following verified upstream merge
• Single metadata file update with verified fork features intact. The actual merge work was completed in commit 2131c3d, and this commit simply updates the sync tracking marker.
• No files require special attention

Important Files Changed

Filename	Overview
.github/last-synced-tag	Updated sync tracking from v1.1.36 to v1.1.39

Sequence Diagram

sequenceDiagram
    participant Dev as Developer
    participant Fork as Fork (merge-v1.1.39)
    participant Upstream as Upstream (v1.1.39)
    participant Meta as Metadata Files
    
    Dev->>Fork: Start upstream sync merge
    Fork->>Upstream: git merge v1.1.39 --no-commit
    Upstream-->>Fork: 230+ commits merged
    Note over Fork: Resolve bun.lock conflicts
    Fork->>Fork: Verify fork features intact
    Note over Fork: Check double Ctrl+C exit guard
    Note over Fork: Check Instance.directory usage
    Note over Fork: Check parseUriList support
    Fork->>Meta: Update .github/last-synced-tag
    Meta-->>Fork: v1.1.36 → v1.1.39
    Fork->>Fork: Commit metadata update
    Fork-->>Dev: PR ready for review

Loading

Context used:

• Context from dashboard - AGENTS.md (source)

[blacksmith-sh]

Found 1 test failure on Blacksmith runners:

Failure

Test	View Logs
e2e/prompt.spec.ts/can send a prompt and receive a reply	View Logs