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/otelcol/config.yaml

@@ -0,0 +1,68 @@
+##
+## OpenTelemetry Collector config for Dolphin.
+## Receives OTLP from NG* machines (remote eigenvalue scanner, future services).
+## Writes to dolphin ClickHouse — otel_logs / otel_traces / otel_metrics tables.
+##
+## OTLP endpoints:
+##   gRPC  :4317   — for OTel SDKs (NG* machines via Tailscale)
+##   HTTP  :4318   — for curl testing / http SDK
+##
+
+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+      http:
+        endpoint: 0.0.0.0:4318
+
+processors:
+  batch:
+    timeout: 1s
+    send_batch_size: 1000
+  memory_limiter:
+    limit_mib: 256
+    spike_limit_mib: 64
+    check_interval: 5s
+
+exporters:
+  clickhouse:
+    endpoint: tcp://dolphin-clickhouse:9000?dial_timeout=5s
+    database: dolphin
+    username: dolphin
+    password: dolphin_ch_2026
+    logs_table_name: otel_logs
+    traces_table_name: otel_traces
+    metrics_table_name: otel_metrics
+    ttl: 720h         # 30 days
+    create_schema: true
+    compress: lz4
+    timeout: 5s
+    retry_on_failure:
+      enabled: true
+      initial_interval: 5s
+      max_interval: 30s
+      max_elapsed_time: 300s
+    sending_queue:
+      enabled: true
+      num_consumers: 4
+      queue_size: 1000
+
+  ## Debug — remove after validating first NG* write
+  debug:
+    verbosity: basic
+
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      processors: [memory_limiter, batch]
+      exporters: [clickhouse]
+    logs:
+      receivers: [otlp]
+      processors: [memory_limiter, batch]
+      exporters: [clickhouse]
+    metrics:
+      receivers: [otlp]
+      processors: [memory_limiter, batch]
+      exporters: [clickhouse]