Exit codes (index)

One page per exit code for search and deep linking. The full catalogue with message format rules lives in error-codes.md.

Code	Page
0	Exit code 0: Success
1	Exit code 1: Generic error
2	Exit code 2: Pre-flight failure
3	Exit code 3: Config validation failure
4	Exit code 4: Missing or invalid salt
5	Exit code 5: License / entitlement failure
6	Exit code 6: Drift detected (commercial)
130	Exit code 130: Interrupted by signal