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Author SHA1 Message Date
Brandon Schneider
b3d4ef4206 feat(pist): Tier 2 trace bridge — tactic-level goal transitions
- lean_trace_bridge.py: captures Goal_i → tactic → Goal_{i+1} transitions
- Builds ProofTraceReceipt v1 with step deltas, transition matrix, flexure joints
- Handles single-line by-blocks, semicolon-separated, and indented multi-line
- pist_trace_decompose.py: spectral analysis of transition matrix
  - Power iteration for eigenvalue estimation
  - Spectral gap, rank, density, Laplacian zero count
  - Tactic family distribution, delta statistics
- Full pipeline: Lean theorem → trace → transition graph → spectral features
2026-05-26 02:28:16 -05:00