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/exp11_zrecon_inv_results.json

@@ -0,0 +1,64 @@
+{
+  "baseline": {
+    "config": "0_baseline",
+    "T": 2155,
+    "ROI": 181.8069,
+    "DD": 23.6916,
+    "Calmar": 7.6739,
+    "elapsed_s": 338.6,
+    "scale_mean": 1.0,
+    "scale_min": 1.0,
+    "scale_max": 1.0,
+    "n_scale_applied": 0
+  },
+  "results": [
+    {
+      "config": "0_baseline",
+      "T": 2155,
+      "ROI": 181.8069,
+      "DD": 23.6916,
+      "Calmar": 7.6739,
+      "elapsed_s": 338.6,
+      "scale_mean": 1.0,
+      "scale_min": 1.0,
+      "scale_max": 1.0,
+      "n_scale_applied": 0
+    },
+    {
+      "config": "1_B_analogue",
+      "T": 2155,
+      "ROI": 182.3446,
+      "DD": 23.6916,
+      "Calmar": 7.6966,
+      "elapsed_s": 318.3,
+      "scale_mean": 0.9991,
+      "scale_min": 0.5181,
+      "scale_max": 1.1437,
+      "n_scale_applied": 2156
+    },
+    {
+      "config": "2_D_inv_analogue",
+      "T": 2155,
+      "ROI": 180.6862,
+      "DD": 23.6916,
+      "Calmar": 7.6266,
+      "elapsed_s": 311.9,
+      "scale_mean": 0.9978,
+      "scale_min": 0.5139,
+      "scale_max": 1.134,
+      "n_scale_applied": 2156
+    },
+    {
+      "config": "3_BD_inv",
+      "T": 2155,
+      "ROI": 181.1797,
+      "DD": 23.6916,
+      "Calmar": 7.6474,
+      "elapsed_s": 313.8,
+      "scale_mean": 0.997,
+      "scale_min": 0.3503,
+      "scale_max": 1.2128,
+      "n_scale_applied": 2156
+    }
+  ]
+}