ncantu 67eb6a5e68 collatz: parameterize C3 palier and add iteration protocol tooling
**Motivations:**
- Enable deterministic iteration beyond palier 2^13 (C1→C2→C3).

**Root causes:**
- The C3 verifier and reporting were hard-coded to palier 13, blocking palier-by-palier iteration.

**Correctifs:**
- Parameterize `collatz_verify_c3_local_descent.py` with `--palier` and suffix outputs for m!=13.
- Add deterministic iteration protocol generator and versioned protocol artefacts.
- Extend run report generator `c3_local_descent` profile with `--c3-palier`.

**Evolutions:**
- Reference the protocol in proof documents.

**Pages affectées:**
- applications/collatz/collatz_k_scripts/collatz_verify_c3_local_descent.py
- applications/collatz/collatz_k_scripts/collatz_iterate_palier_protocol.py
- docs/artefacts/collatz/iteration_protocol/*
- applications/collatz/collatz_k_scripts/collatz_generate_run_report.py
- docs/collatz_run_report_format.md
- applications/collatz/démonstration collatz.md
2026-03-09 04:56:44 +01:00
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