adding backtest table / pages

database/postgres/init/06-create-backtest-tables.sql

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+-- Create enum for backtest status (if not exists)
+DO $$ BEGIN
+    CREATE TYPE backtest_status AS ENUM ('pending', 'running', 'completed', 'failed', 'cancelled');
+EXCEPTION
+    WHEN duplicate_object THEN null;
+END $$;
+
+-- Create backtests table
+CREATE TABLE IF NOT EXISTS backtests (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name TEXT NOT NULL,
+    strategy TEXT NOT NULL,
+    symbols JSONB NOT NULL,
+    start_date TIMESTAMP WITH TIME ZONE NOT NULL,
+    end_date TIMESTAMP WITH TIME ZONE NOT NULL,
+    initial_capital NUMERIC(20, 2) NOT NULL,
+    config JSONB DEFAULT '{}',
+    status backtest_status NOT NULL DEFAULT 'pending',
+    error TEXT,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
+);
+
+-- Create backtest_results table
+CREATE TABLE IF NOT EXISTS backtest_results (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    backtest_id UUID NOT NULL REFERENCES backtests(id) ON DELETE CASCADE,
+    completed_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    metrics JSONB NOT NULL,
+    equity_curve JSONB NOT NULL,
+    ohlc_data JSONB NOT NULL,
+    trades JSONB NOT NULL,
+    positions JSONB NOT NULL,
+    analytics JSONB NOT NULL,
+    execution_time INTEGER NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
+);
+
+-- Create indexes for better query performance
+CREATE INDEX idx_backtests_status ON backtests(status);
+CREATE INDEX idx_backtests_created_at ON backtests(created_at DESC);
+CREATE INDEX idx_backtests_strategy ON backtests(strategy);
+CREATE INDEX idx_backtest_results_backtest_id ON backtest_results(backtest_id);
+
+-- Create updated_at trigger
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = NOW();
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+DROP TRIGGER IF EXISTS update_backtests_updated_at ON backtests;
+CREATE TRIGGER update_backtests_updated_at BEFORE UPDATE
+    ON backtests FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();

database/postgres/init/07-fix-execution-time-type.sql

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+-- Fix execution_time column type to handle larger values
+-- The execution_time might be a timestamp or a large millisecond value
+ALTER TABLE backtest_results 
+ALTER COLUMN execution_time TYPE BIGINT;