R2 add verification report

diagnostics/R2_confidence_adaptive_hybrid_gate/verification.json

@@ -0,0 +1,17 @@
+{
+  "format": "ASR_CYGNSS_R2_VERIFICATION_V1",
+  "created_utc": "2026-08-02T10:30:51.969961+00:00",
+  "required_files": {
+    "diagnostics/R2_confidence_adaptive_hybrid_gate/training/balanced_2021_2023.parquet": true,
+    "diagnostics/R2_confidence_adaptive_hybrid_gate/models/dev_2021_2023_hgmm.joblib": true,
+    "diagnostics/R2_confidence_adaptive_hybrid_gate/selection/frozen_policy_2024.json": true,
+    "diagnostics/R2_confidence_adaptive_hybrid_gate/selection/exact_candidate_evaluation_2024.csv": true,
+    "diagnostics/R2_confidence_adaptive_hybrid_gate/confirmation_2025/confirmation_metrics.csv": true,
+    "diagnostics/R2_confidence_adaptive_hybrid_gate/confirmation_2025/confirmation_paired_bootstrap.csv": true,
+    "diagnostics/R2_confidence_adaptive_hybrid_gate/confirmation_2025/verdict.json": true
+  },
+  "dev_months": 12,
+  "confirmation_months": 12,
+  "figure_files": 12,
+  "pipeline_complete": true
+}