Add confirmatory paper experiments: A1-A4, all 10 seeds complete

A1: Synthetic nonlinearity ladder (240 rows: 3 alpha × 2 depth × 4 methods × 10 seeds)
A2: CIFAR state-vs-credit counterexample (30 rows: 3 methods × 10 seeds)
A3: Frozen vs online dissociation (60 rows: 2 regimes × 3 methods × 10 seeds)
A4: Protocol dependence panel (82 rows: assembled from existing results)

All experiments ran on GPU 3. Total runtime: ~20 hours.
CSVs in results/confirmatory/.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

1 files changed, 542 insertions, 0 deletions

diff --git a/results/confirmatory/A3_frozen_vs_online.json b/results/confirmatory/A3_frozen_vs_online.json
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+++ b/results/confirmatory/A3_frozen_vs_online.json
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