feat: implement strategy metadata and dashboard simulation panel

- Added display_name and description to BaseStrategy
- Updated MA44 and MA125 strategies with metadata
- Added /api/v1/strategies endpoint for dynamic discovery
- Added Strategy Simulation panel to dashboard with date picker and tooltips
- Implemented JS polling for backtest results in dashboard
- Added performance test scripts and DB connection guide
- Expanded indicator config to all 15 timeframes

docker/init-scripts/01-schema.sql

@@ -51,7 +51,11 @@ SELECT create_hypertable('indicators', 'time',
     if_not_exists => TRUE
 );
 
--- 7. Create index for indicators
+-- 7. Create unique constraint + index for indicators (required for upserts)
+ALTER TABLE indicators
+    ADD CONSTRAINT indicators_unique
+    UNIQUE (time, symbol, interval, indicator_name);
+
 CREATE INDEX IF NOT EXISTS idx_indicators_lookup 
     ON indicators (symbol, interval, indicator_name, time DESC);
 
@@ -135,5 +139,61 @@ SELECT
 FROM candles
 GROUP BY symbol;
 
+-- 16. Create decisions table (brain outputs - buy/sell/hold with full context)
+CREATE TABLE IF NOT EXISTS decisions (
+    time TIMESTAMPTZ NOT NULL,
+    symbol TEXT NOT NULL,
+    interval TEXT NOT NULL,
+    decision_type TEXT NOT NULL,
+    strategy TEXT NOT NULL,
+    confidence DECIMAL(5,4),
+    price_at_decision DECIMAL(18,8),
+    indicator_snapshot JSONB NOT NULL,
+    candle_snapshot JSONB NOT NULL,
+    reasoning TEXT,
+    backtest_id TEXT,
+    executed BOOLEAN DEFAULT FALSE,
+    execution_price DECIMAL(18,8),
+    execution_time TIMESTAMPTZ,
+    created_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+-- 17. Convert decisions to hypertable
+SELECT create_hypertable('decisions', 'time',
+    chunk_time_interval => INTERVAL '7 days',
+    if_not_exists => TRUE
+);
+
+-- 18. Indexes for decisions - separate live from backtest queries
+CREATE INDEX IF NOT EXISTS idx_decisions_live
+    ON decisions (symbol, interval, time DESC) WHERE backtest_id IS NULL;
+
+CREATE INDEX IF NOT EXISTS idx_decisions_backtest
+    ON decisions (backtest_id, symbol, time DESC) WHERE backtest_id IS NOT NULL;
+
+CREATE INDEX IF NOT EXISTS idx_decisions_type
+    ON decisions (symbol, decision_type, time DESC);
+
+-- 19. Create backtest_runs metadata table
+CREATE TABLE IF NOT EXISTS backtest_runs (
+    id TEXT PRIMARY KEY,
+    strategy TEXT NOT NULL,
+    symbol TEXT NOT NULL DEFAULT 'BTC',
+    start_time TIMESTAMPTZ NOT NULL,
+    end_time TIMESTAMPTZ NOT NULL,
+    intervals TEXT[] NOT NULL,
+    config JSONB,
+    results JSONB,
+    created_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+-- 20. Compression for decisions
+ALTER TABLE decisions SET (
+    timescaledb.compress,
+    timescaledb.compress_segmentby = 'symbol,interval,strategy'
+);
+
+SELECT add_compression_policy('decisions', INTERVAL '7 days', if_not_exists => TRUE);
+
 -- Success message
 SELECT 'Database schema initialized successfully' as status;