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/exp2_proxy_exit_results.json

@@ -0,0 +1,55 @@
+{
+  "gold": {
+    "roi": 88.55,
+    "pf": 1.215,
+    "dd": 15.05,
+    "sharpe": 4.38,
+    "wr": 50.5,
+    "trades": 2155
+  },
+  "results": [
+    {
+      "n_triggered": 32,
+      "n_total": 2155,
+      "pct_triggered": 1.4849187935034802,
+      "avg_actual_pnl_pct": 0.16971558008744564,
+      "avg_early_exit_pnl_pct": 0.0195519860418085,
+      "avg_pnl_delta_pct": -0.15016359404563714,
+      "early_better_rate": 37.5,
+      "avg_bars_saved": 91.6875,
+      "roi_impact_estimate_pp": -0.9610470018920778,
+      "name": "T1: exit if proxy_B < p10"
+    },
+    {
+      "n_triggered": 37,
+      "n_total": 2155,
+      "pct_triggered": 1.716937354988399,
+      "avg_actual_pnl_pct": -0.01204806624716285,
+      "avg_early_exit_pnl_pct": 0.023025551555410688,
+      "avg_pnl_delta_pct": 0.03507361780257347,
+      "early_better_rate": 40.54054054054054,
+      "avg_bars_saved": 102.70270270270271,
+      "roi_impact_estimate_pp": 0.2595447717390437,
+      "name": "T2: exit if proxy_B < p25"
+    },
+    {
+      "n_triggered": 46,
+      "n_total": 2155,
+      "pct_triggered": 2.134570765661253,
+      "avg_actual_pnl_pct": -0.0036840609630585178,
+      "avg_early_exit_pnl_pct": 0.012711500756466773,
+      "avg_pnl_delta_pct": 0.016395561719525237,
+      "early_better_rate": 43.47826086956522,
+      "avg_bars_saved": 103.47826086956522,
+      "roi_impact_estimate_pp": 0.1508391678196324,
+      "name": "T3: exit if proxy_B < p50"
+    }
+  ],
+  "meta": {
+    "experiment": "proxy_B exit shadow (corrected)",
+    "proxy": "instability_50 - v750_lambda_max_velocity",
+    "n_trades": 2155,
+    "baseline_roi": 88.54671933603525,
+    "baseline_pf": 1.21470506157439
+  }
+}