7ac887c776
- Add INSPECT (TALLYING/REPLACING/CONVERTING) with BEFORE/AFTER INITIAL - Add SEARCH/SEARCH ALL with element-assignment path enumeration - Fix _mark_perform compound condition marking via evaluate_tree - Fix EVALUATE TRUE prior_false to collect all MC/DC false sets - Add impossible path filtering (Pass A.5) with trace-to-root conflict detection - Fix multi-line PERFORM VARYING parsing (VARYING/FROM/BY/UNTIL on separate lines) - Remove dead code: agents.py LLM parser (replaced by rule-based _BrParser) - 59 unit tests passing, 5 integration programs verified