Measurement Schema

Structural Layer

• entry condition
• exit condition
• required steps
• optional steps
• loops
• branches
• termination conditions
• control-flow shape

Primitive Layer

• primitive sequence
• transitions
• dominant primitive
• candidate missing primitives

Constraint Layer

• invariants
• preconditions
• postconditions
• stopping criteria
• validity conditions

Representation Layer

• procedural AST
• natural-language summary
• canonical summary
• ambiguity notes

Reliability Layer

• cross-model agreement
• repeatability drift
• recognition rate
• schema compliance
• malformed output rate

Product Layer

• Clarity relevance
• EDF relevance
• product action candidate
• research-only finding