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

scripts/update_schema.sh

@@ -0,0 +1,87 @@
+#!/bin/bash
+# Apply schema updates to a running TimescaleDB container without wiping data
+
+echo "Applying schema updates to btc_timescale container..."
+
+# Execute the schema SQL inside the container
+# We use psql with the environment variables set in docker-compose
+docker exec -i btc_timescale psql -U btc_bot -d btc_data <<EOF
+-- 1. Unique constraint for indicators (if not exists)
+DO \$\$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM pg_constraint WHERE conname = 'indicators_unique') THEN
+        ALTER TABLE indicators ADD CONSTRAINT indicators_unique UNIQUE (time, symbol, interval, indicator_name);
+    END IF;
+END \$\$;
+
+-- 2. Index for indicators
+CREATE INDEX IF NOT EXISTS idx_indicators_lookup ON indicators (symbol, interval, indicator_name, time DESC);
+
+-- 3. Data health view update
+CREATE OR REPLACE VIEW data_health AS
+SELECT 
+    symbol,
+    COUNT(*) as total_candles,
+    COUNT(*) FILTER (WHERE validated) as validated_candles,
+    MAX(time) as latest_candle,
+    MIN(time) as earliest_candle,
+    NOW() - MAX(time) as time_since_last
+FROM candles
+GROUP BY symbol;
+
+-- 4. Decisions table
+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()
+);
+
+-- 5. Decisions hypertable (ignore error if already exists)
+DO \$\$
+BEGIN
+    PERFORM create_hypertable('decisions', 'time', chunk_time_interval => INTERVAL '7 days', if_not_exists => TRUE);
+EXCEPTION WHEN OTHERS THEN
+    NULL; -- Ignore if already hypertable
+END \$\$;
+
+-- 6. Decisions indexes
+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);
+
+-- 7. Backtest runs 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()
+);
+
+-- 8. Compression policies
+DO \$\$
+BEGIN
+    ALTER TABLE decisions SET (timescaledb.compress, timescaledb.compress_segmentby = 'symbol,interval,strategy');
+    PERFORM add_compression_policy('decisions', INTERVAL '7 days', if_not_exists => TRUE);
+EXCEPTION WHEN OTHERS THEN
+    NULL; -- Ignore compression errors if already set
+END \$\$;
+
+SELECT 'Schema update completed successfully' as status;
+EOF