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What: Refactored environment variable expansion into a standalone, reusable function.
Details:
- Supports
${VAR}and${VAR:-default}syntax for environment variables - Tracks missing variables for better error reporting
- Now used in multiple places for consistent variable handling
- Improved code maintainability through extraction from inline implementation
- Evidence:
iuA() at line 262768(extracted from inline code inPs8()at line 283329 in v2.0.26)