initial: import DOLPHIN baseline 2026-04-21 from dolphinng5_predict working tree

Includes core prod + GREEN/BLUE subsystems:
- prod/ (BLUE harness, configs, scripts, docs)
- nautilus_dolphin/ (GREEN Nautilus-native impl + dvae/ preserved)
- adaptive_exit/ (AEM engine + models/bucket_assignments.pkl)
- Observability/ (EsoF advisor, TUI, dashboards)
- external_factors/ (EsoF producer)
- mc_forewarning_qlabs_fork/ (MC regime/envelope)

Excludes runtime caches, logs, backups, and reproducible artifacts per .gitignore.

nautilus_dolphin/dvae/analysis_results_beta6.json

@@ -0,0 +1,44 @@
+{
+  "macro_regime_k": 8,
+  "macro_regime_silhouettes": {
+    "3": 1.0825,
+    "4": 1.164,
+    "5": 1.1201,
+    "6": 1.045,
+    "7": 1.249,
+    "8": 1.2561
+  },
+  "z1_leads_z0": {
+    "1": 0.0049,
+    "3": -0.0254,
+    "5": 0.0066,
+    "10": 0.0009,
+    "20": -0.0013
+  },
+  "z1_peak_lead_lag": 3,
+  "active_dims": 0,
+  "var_per_dim": [
+    2.891610166279152e-05,
+    3.0922398955150796e-05,
+    2.6778158479914613e-05,
+    3.276855140176666e-05,
+    7.528364813807103e-06,
+    3.8058184945766717e-07,
+    8.343217846104335e-06,
+    8.610409182091088e-07,
+    5.164212481888014e-08,
+    4.2038235764690244e-07,
+    9.007637297207591e-07,
+    1.3331745890423244e-06,
+    8.58313445064302e-09,
+    2.855058658369656e-08,
+    7.697479886121003e-09,
+    3.012180655617942e-08,
+    1.625070986842035e-08,
+    7.986989673920088e-08,
+    5.23765968435441e-09,
+    1.1474841146856828e-08
+  ],
+  "recon_err_mean": 0.424669903822917,
+  "recon_err_p95": 0.6535680228789759
+}