feat: initialize full-stack architecture with backend routes, database schema, and glassmorphic frontend UI

db/init.sql

@@ -39,3 +39,36 @@ CREATE TABLE IF NOT EXISTS files (
     file_path TEXT NOT NULL,
     uploaded_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );
+
+CREATE TABLE IF NOT EXISTS audit_log (
+    id SERIAL PRIMARY KEY,
+    user_id INT REFERENCES users(id) ON DELETE CASCADE,
+    action VARCHAR(100) NOT NULL,
+    details JSONB,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS seo_keywords (
+    id SERIAL PRIMARY KEY,
+    user_id INT REFERENCES users(id) ON DELETE CASCADE,
+    keyword VARCHAR(255) NOT NULL,
+    article VARCHAR(100) NOT NULL,
+    platform VARCHAR(50) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS seo_history (
+    id SERIAL PRIMARY KEY,
+    keyword_id INT REFERENCES seo_keywords(id) ON DELETE CASCADE,
+    position INT,
+    checked_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS reference_images (
+    id SERIAL PRIMARY KEY,
+    user_id INT REFERENCES users(id) ON DELETE CASCADE,
+    file_path TEXT NOT NULL,
+    image_hash VARCHAR(64),
+    article VARCHAR(100),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);