v1.6.4

## git-ai v1.6.4

### Release Channel
`latest`

---

> **Detailed AI-generated changelog is being generated and will appear here shortly...**

---

### Installation
Install this specific version with checksum verification:

**macOS/Linux:**
```bash
curl -fsSL https://github.com/git-ai-project/git-ai/releases/download/v1.6.4/install.sh | bash
```

**Windows (PowerShell):**
```powershell
irm https://github.com/git-ai-project/git-ai/releases/download/v1.6.4/install.ps1 | iex
```

### Downloads
- **Linux (x64)**: `git-ai-linux-x64`
- **Linux (ARM64)**: `git-ai-linux-arm64`
- **Windows (x64)**: `git-ai-windows-x64.exe`
- **Windows (ARM64)**: `git-ai-windows-arm64.exe`
- **macOS (Intel)**: `git-ai-macos-x64`
- **macOS (Apple Silicon)**: `git-ai-macos-arm64`

### SHA256 Checksums
```
$(cat release/SHA256SUMS)
```

### Attestation Verification
Verify build provenance with the GitHub CLI:
```bash
gh attestation verify git-ai-<platform> --repo git-ai-project/git-ai
```


<!-- Release notes generated using configuration in .github/release.yml at main -->

## What's Changed
### Other Changes
* update stats UI by @acunniffe in https://github.com/git-ai-project/git-ai/pull/1669
* Add `git-ai analyze`: research AI coding activity and grade prompts at scale by @acunniffe in https://github.com/git-ai-project/git-ai/pull/1670
* feat(config): CLI coverage for allow_superuser, transcript lookback, custom_attributes by @svarlamov in https://github.com/git-ai-project/git-ai/pull/1666


**Full Changelog**: https://github.com/git-ai-project/git-ai/compare/v1.6.3...v1.6.4