New arborist.pi_star/ namespace centralizes canonical projections under a name@version registry. Two existing canonicalizers re-homed as registered π*'s: - wikitext-base@v1 wraps arborist.wikitext.to_base - claim-lattice@v1 wraps arborist.qa.parse_claims.parse_pointer_claims Four stubs registered for follow-up modality tickets: code-py-ast@v1, logic-kernel@v1, time-series-quantized@v1, tabular-pinned@v1 — each raises NotImplementedError with a pointer to ticket #000015. Composition algebra in compose.py: PiStarComposition exposes outer ∘ inner as a first-class π* with its own registry key (default "<inner-name>-then-<outer-name>@v1"). canonical_composition_id returns a SHA-256 fingerprint suitable for governance hash inclusion. Order-sensitive: a∘b ≠ b∘a → different fingerprints. Documentation: docs/pi-star-composition.md covers the rule (type- compatible, deterministic, equivalence-class preserving), lossy vs invertible compositions, worked text→claim-lattice example, cross-domain anchor projections (future), authoring checklist. Re-home is non-breaking: arborist.wikitext.to_base remains importable. Tests: tests/test_pi_star.py (19 cases). Full suite: 1059 passed, 36 skipped. |
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| _source | ||
| diagrams | ||
| tickets | ||
| bench-maxing.md | ||
| benchmarks.md | ||
| cti-architecture.md | ||
| mesh.md | ||
| pi-star-composition.md | ||
| qa-modes-bench.md | ||
| seven-point-program.md | ||
| TICKETS.md | ||