Add claude-code-notifier: macOS notifier for Claude Code

[saiso]

Adds claude-code-notifier to the Companion Apps & GUIs section.

• Repo: https://github.com/saiso/claude-code-notifier
• Native macOS .app bundle written in Swift + UserNotifications framework
• Custom icon derived from Heroicons (MIT, SF Symbols–free — Apple prohibits SF Symbols in app icons)
• Click-through activates your IDE: VS Code by default, Cursor / Windsurf / JetBrains / iTerm2 / Terminal via a bundle ID swap in config.json
• Per-event sound labels (permission, idle, or custom) so sound choice is decoupled from hook wiring
• Hardened input handling: bundle ID / sound name allowlists, length caps, control-character stripping
• Universal binary (arm64 + x86_64), macOS 12 Monterey+, MIT licensed

Summary by CodeRabbit

• Documentation
  • Added a new companion app to the ecosystem: a macOS-native notifier with IDE integration, customizable event sounds, and universal processor support.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: a51df098-f9d3-43f0-9529-3ee1d17c594b

📥 Commits

Reviewing files that changed from the base of the PR and between 659efb0 and 1769033.

📒 Files selected for processing (1)

• README.md

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📝 Walkthrough

Walkthrough

A single line is added to the README.md file, documenting a new companion app called claude-code-notifier—a macOS-native notification tool built with Swift and UserNotifications framework.

Changes

Cohort / File(s)	Summary
Documentation README.md	Added entry for claude-code-notifier to Companion Apps & GUIs list, describing a macOS-native Swift/UserNotifications-based Claude Code notifier with IDE click-through, per-event sound labels, hardened input validation, and universal (arm64+x86_64) support.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~1 minute

Possibly related PRs

• Add Companion Apps section with Poirot #10: Adds another companion app entry to the same Companion Apps section of README.md.

Poem

🐰 A notifier hops into the light,
macOS bells ring clear and bright,
Swift code dancing, arm64 and x86—
Claude's companions mix and fix! 🔔✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically identifies the main change: adding a macOS notifier called claude-code-notifier for Claude Code, which aligns with the single-line README entry addition.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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