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, 17 insertions, 0 deletions

diff --git a/services/strategy-engine/strategies/base.py b/services/strategy-engine/strategies/base.py
new file mode 100644
index 0000000..06101d0
--- /dev/null
+++ b/services/strategy-engine/strategies/base.py
@@ -0,0 +1,17 @@
+from abc import ABC, abstractmethod
+from shared.models import Candle, Signal
+
+
+class BaseStrategy(ABC):
+    name: str = "base"
+
+    @abstractmethod
+    def on_candle(self, candle: Candle) -> Signal | None:
+        pass
+
+    @abstractmethod
+    def configure(self, params: dict) -> None:
+        pass
+
+    def reset(self) -> None:
+        pass