feat: Removed runtime git dependency.

This also allowed us to drop the Features code.

WINDOWS.md

@@ -30,10 +30,6 @@ The application relies on external tools that need to be installed separately on
    - Install via: `winget install sharkdp.fd` or `choco install fd`
    - Alternative: `scoop install fd`
 
-2. **git** - Version control system
-   - Install via: `winget install Git.Git` or download from git-scm.com
-   - Usually already available on most development machines
-
 ## Minor Compatibility Notes
 
 ### File Permissions
@@ -65,7 +61,6 @@ if editor == "" {
 1. Install required dependencies:
    ```powershell
    winget install sharkdp.fd
-   winget install Git.Git
    ```
 
 2. Fix the path handling bug in `app/env_file.go:209`