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Human endorsement rules

ScenarioAllowed?Behavior
Same skill + same source + same endorsement type❌ BlockedSystem returns error: change source, type, or skill
Same skill + same source + different endorsement type✅ AllowedEach type is a separate trust signal
Skill bundle with already-verified skill (same type)❌ BlockedThat skill must be removed from the bundle
Skill bundle with already-verified skill (different type)✅ AllowedCross-type bundling is valid
Duplicate skill in same source❌ BlockedSource enforces unique skills only
More than 10 skills per source❌ BlockedMax 10 unique skills per source

Assessment rules

ScenarioAllowed?Behavior
Same skill + same source, already passed❌ BlockedCannot retake a passed assessment
Assessment failed✅ AllowedRetake available per retry policy
Assessment paused✅ AllowedResume or retake available
Resend verification✅ AllowedResend endorsement email or reassessment link