Fix C++ engine buy/sell and add Optiq actor stages to Message Flow

Add librdkafka++1 to Docker runtime for eunex_me

Add crash diagnostics: show eunex_me log output on startup failure

Auto-start eunex_me when toggling C++ engine mode

Fix deadlock in CppEngineBridge causing Server not ready on HF Spaces

Fix JSON parse errors when server not ready (HF Spaces startup race)

Fix HF Spaces: start nginx in run.sh for port 7860 proxy

Add HF Spaces metadata to README

Add GitHub Action for auto-deploy to HF Spaces

docs: Update README and developers guide for v0.9.5

v0.9.5: Engine mode switch — Python or C++ matching engine

v0.9.4: Document .env configuration and AI features in README

v0.9.3: Add .env config, auto-load env vars in shared/config.py

v0.9.3: Add .env support with auto-loader in shared config

v0.9.2: Auto-discover HF_TOKEN from cache, fix LLM provider logging

v0.9.1: Fix Ollama integration, thin volume bars, model selector with health check

v0.9.0: Interactive message flow, split price/volume chart, LLM trading strategy

v0.8.0: AI Market Analyst and Developer Message Flow Visualizer

v0.7.0: Daily close persistence, ticker tape, OHLCV candlestick chart

v0.6.1: Market simulation with realistic prices

v0.6.0: Add 7 real stock symbols with current market prices

Add HTML developers guide with SVG diagrams

Add Dashboard, Clearing House UI and KafkaBus to architecture diagrams

Add Kafka Bus to Architecture, Actor Topology and Data Flow diagrams

v0.5.0: Kafka Bus integration (Optiq KFK model)

Fix Docker: update bitnami/kafka 3.7 → 3.9, remove obsolete version attr

Fix garbled Unicode box-drawing chars in Windows console output

Add Stop orders and trading phases (PreOpen/Opening/CTS)

Rename modules to Optiq naming and add Developers Guide

v0.4.0: C++ FIX Gateway, Clearing House & AI Trader actors

v0.3.0: FIX gateway, Clearing House with AI traders, enhanced dashboard

Fix GCC build: add missing #include <memory> in IacaAggregator.hpp

v0.2.0: Multi-threaded actor engine, Kafka persistence, web dashboard

Initial commit: C++ actor-based matching engine (Optiq architecture)