Complete data coverage: 64/64 questions, 1920 responses

- Extract Q20/Q21 from Q19 theology files (sub-question schema)
- Add Q64 technocracy article review results from psychohistory repo
- Re-run invariance: 242 responses from 44 questions, 3/3 path invariance holds

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Jamie Nucho