* fix: handle array paths from VSCode terminal profiles
- Updated terminal profile interfaces to support string | string[] for path property
- Added normalizeShellPath helper to safely extract first element from array paths
- Modified isShellAllowed to handle both string and array inputs
- Updated getWindowsShellFromVSCode, getMacShellFromVSCode, and getLinuxShellFromVSCode to use normalizeShellPath
- Added comprehensive tests for array path handling
Fixes#7695
* feat: add validateShellPath export for robust shell validation
- Created validateShellPath as a public API for shell path validation
- Refactored internal validation logic into isShellAllowedInternal
- Added comprehensive test coverage for all edge cases
- Maintains backward compatibility with deprecated isShellAllowed
- Handles arrays, strings, null, undefined, and nested arrays gracefully
* Simplify roomote's work a little
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Co-authored-by: Roo Code <roomote@roocode.com>
Co-authored-by: John Richmond <5629+jr@users.noreply.github.com>
