feat: initial trading platform implementation

Binance spot crypto trading platform with microservices architecture:
- shared: Pydantic models, Redis Streams broker, asyncpg DB layer
- data-collector: Binance WebSocket/REST market data collection
- strategy-engine: Plugin-based strategy execution (RSI, Grid)
- order-executor: Order execution with risk management
- portfolio-manager: Position tracking and PnL calculation
- backtester: Historical strategy testing with simulator
- cli: Click-based CLI for all operations
- Docker Compose orchestration with Redis and PostgreSQL
- 24 test files covering all modules

1 files changed, 22 insertions, 0 deletions

diff --git a/services/strategy-engine/tests/test_plugin_loader.py b/services/strategy-engine/tests/test_plugin_loader.py
new file mode 100644
index 0000000..9496bab
--- /dev/null
+++ b/services/strategy-engine/tests/test_plugin_loader.py
@@ -0,0 +1,22 @@
+"""Tests for the plugin loader."""
+from pathlib import Path
+
+import pytest
+
+from strategy_engine.plugin_loader import load_strategies
+
+
+STRATEGIES_DIR = Path(__file__).parent.parent / "strategies"
+
+
+def test_load_strategies_finds_rsi_and_grid():
+    strategies = load_strategies(STRATEGIES_DIR)
+    names = [s.name for s in strategies]
+    assert "rsi" in names
+    assert "grid" in names
+
+
+def test_load_strategies_skips_base():
+    strategies = load_strategies(STRATEGIES_DIR)
+    names = [s.name for s in strategies]
+    assert "base" not in names