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.

prod/prefect_dolphin_workspace.yaml

@@ -0,0 +1,62 @@
+# DOLPHIN Prefect Configuration
+# All services under one Prefect server
+
+name: dolphin-workspace
+
+prefect-version: 2.14.0
+
+# Work Pool - all services run here
+work_pools:
+  dolphin-services:
+    type: process
+    description: "DOLPHIN Algorithm Services"
+
+# Deployments - each service is a deployment
+deployments:
+  # 1. Scan Bridge - Data ingestion
+  - name: scan-bridge-service
+    entrypoint: scan_bridge_service.py
+    work_pool:
+      name: dolphin-services
+    parameters: {}
+    description: "Arrow file → Hazelcast bridge"
+    tags: ["infrastructure", "data-ingestion"]
+    
+  # 2. ACB Processor - Risk management
+  - name: acb-processor-service
+    entrypoint: acb_processor_service.py
+    work_pool:
+      name: dolphin-services
+    parameters: {}
+    description: "Adaptive Circuit Breaker calculations"
+    tags: ["risk", "acbv6"]
+    
+  # 3. System Watchdog - Safety
+  - name: system-watchdog-service
+    entrypoint: system_watchdog_service.py
+    work_pool:
+      name: dolphin-services
+    parameters: {}
+    description: "Survival Stack monitoring"
+    tags: ["safety", "survival-stack"]
+    
+  # 4. EXTF - External factors
+  - name: exf-service
+    entrypoint: exf_prefect_final.py
+    work_pool:
+      name: dolphin-services
+    parameters: {}
+    description: "External factors (funding, dvol, OI)"
+    tags: ["market-data", "macro"]
+    
+  # 5. OBF - Order book features
+  - name: obf-service
+    entrypoint: obf_prefect_flow.py
+    work_pool:
+      name: dolphin-services
+    parameters: {}
+    description: "Order book feature extraction"
+    tags: ["market-data", "microstructure"]
+
+# Optional: schedules (if needed)
+# schedules: []