- Added error handling for database initialization failures with detailed diagnostics including directory existence and writability checks.
- Improved directory creation in ensureDir() with proper error handling for EEXIST conditions and post-creation verification.
- Set restrictive file permissions (0o700) on created agent storage directories for improved security.
- Optimized applyLineResets() in TUI to use in-place array modification instead of creating new array via map().
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