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.json

@@ -0,0 +1,44 @@
+{
+  "macro_regime_k": 7,
+  "macro_regime_silhouettes": {
+    "3": 1.2346,
+    "4": 1.3428,
+    "5": 1.1801,
+    "6": 1.3357,
+    "7": 1.3577,
+    "8": 1.3035
+  },
+  "z1_leads_z0": {
+    "1": 0.0007,
+    "3": -0.0078,
+    "5": -0.0086,
+    "10": 0.0004,
+    "20": -0.0081
+  },
+  "z1_peak_lead_lag": 5,
+  "active_dims": 0,
+  "var_per_dim": [
+    0.00025703103098368845,
+    0.00028948736020975336,
+    0.00024541800878152527,
+    0.0002782960301000939,
+    0.01298944744570043,
+    0.008084571955901239,
+    0.004822071392686802,
+    0.008369066411074426,
+    0.0019036063690540516,
+    0.0120343102415987,
+    0.011469297945944847,
+    0.01545028485150473,
+    5.283625351179199e-10,
+    4.396326750003878e-08,
+    4.179382781434889e-09,
+    2.8163319663137794e-08,
+    2.004156954585684e-08,
+    7.610757411291218e-08,
+    4.65066037228969e-09,
+    6.595101181957703e-09
+  ],
+  "recon_err_mean": 0.42131611033692357,
+  "recon_err_p95": 0.6568199701540868
+}