[plan] Enhance accessibility detection with ACCESSIBLE environment variable

[github-actions]

Objective

Add support for the ACCESSIBLE environment variable to the accessibility mode detection, following huh best practices.

Context

Currently, accessibility mode is detected via TERM=dumb and NO_COLOR. The huh library documentation recommends also checking the ACCESSIBLE environment variable for explicit accessibility mode control.

Approach

Update the isAccessibleMode() function to include ACCESSIBLE env var:

func isAccessibleMode() bool {
    return os.Getenv("ACCESSIBLE") != "" ||
           os.Getenv("TERM") == "dumb" ||
           os.Getenv("NO_COLOR") != ""
}

Files to Modify

• Update: pkg/cli/interactive.go - Enhance isAccessibleMode() function

Documentation to Update

• Update: Relevant documentation mentioning accessibility mode (if any)
• Consider: Adding ACCESSIBLE to environment variable documentation

Acceptance Criteria

• isAccessibleMode() checks ACCESSIBLE environment variable
• Setting ACCESSIBLE=1 enables accessible mode
• Existing detection methods (TERM=dumb, NO_COLOR) still work
• Behavior is consistent with huh library best practices
• Documentation updated if environment variables are documented
  Related to [plan] Enhance interactive workflow builder with huh v0.7.0+ features #7216

AI generated by Plan Command for discussion #7214