Initial commit: Full Crawl API implementation

crates/db/migrations/001_init.sql

@@ -0,0 +1,38 @@
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+CREATE TABLE users (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    email VARCHAR(255) UNIQUE NOT NULL,
+    password_hash VARCHAR(255),
+    google_id VARCHAR(255) UNIQUE,
+    credits BIGINT NOT NULL DEFAULT 30,
+    tier VARCHAR(50) NOT NULL DEFAULT 'free',
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE api_keys (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    key_hash VARCHAR(255) UNIQUE NOT NULL,
+    name VARCHAR(255) NOT NULL DEFAULT 'Default',
+    last_used_at TIMESTAMPTZ,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE usage_logs (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    api_key_id UUID NOT NULL REFERENCES api_keys(id) ON DELETE CASCADE,
+    endpoint VARCHAR(100) NOT NULL,
+    url TEXT NOT NULL,
+    status VARCHAR(50) NOT NULL,
+    credits_used BIGINT NOT NULL DEFAULT 1,
+    duration_ms BIGINT NOT NULL DEFAULT 0,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX idx_api_keys_user_id ON api_keys(user_id);
+CREATE INDEX idx_api_keys_key_hash ON api_keys(key_hash);
+CREATE INDEX idx_usage_logs_user_id ON usage_logs(user_id);
+CREATE INDEX idx_usage_logs_created_at ON usage_logs(created_at);