diff --git a/data/consent.db b/data/consent.db
new file mode 100644
index 0000000..b397c0f
Binary files /dev/null and b/data/consent.db differ
diff --git a/src/pages/api/consent/[sessionId].ts b/src/pages/api/consent/[sessionId].ts
index efd15b9..1e3d861 100644
--- a/src/pages/api/consent/[sessionId].ts
+++ b/src/pages/api/consent/[sessionId].ts
@@ -1,13 +1,32 @@
 import type { APIRoute } from 'astro';
 import Database from 'better-sqlite3';
 import { join } from 'path';
+import { mkdirSync, existsSync } from 'fs';
 
 export const prerender = false;
 
-const DB_PATH = join(process.cwd(), 'data', 'consent.db');
+const DATA_DIR = join(process.cwd(), 'data');
+const DB_PATH = join(DATA_DIR, 'consent.db');
 
 function getDb() {
-  return new Database(DB_PATH);
+  if (!existsSync(DATA_DIR)) {
+    mkdirSync(DATA_DIR, { recursive: true });
+  }
+  const db = new Database(DB_PATH);
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS ConsentLog (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      sessionId TEXT UNIQUE NOT NULL,
+      timestamp TEXT NOT NULL,
+      essential INTEGER NOT NULL DEFAULT 0,
+      analytics INTEGER NOT NULL DEFAULT 0,
+      marketing INTEGER NOT NULL DEFAULT 0,
+      policyVersion TEXT NOT NULL,
+      ipHash TEXT,
+      userAgent TEXT
+    )
+  `);
+  return db;
 }
 
 export const DELETE: APIRoute = async ({ params }) => {
diff --git a/src/pages/api/consent/index.ts b/src/pages/api/consent/index.ts
index e1705b8..bab75b0 100644
--- a/src/pages/api/consent/index.ts
+++ b/src/pages/api/consent/index.ts
@@ -1,13 +1,32 @@
 import type { APIRoute } from 'astro';
 import Database from 'better-sqlite3';
 import { join } from 'path';
+import { mkdirSync, existsSync } from 'fs';
 
 export const prerender = false;
 
-const DB_PATH = join(process.cwd(), 'data', 'consent.db');
+const DATA_DIR = join(process.cwd(), 'data');
+const DB_PATH = join(DATA_DIR, 'consent.db');
 
 function getDb() {
-  return new Database(DB_PATH);
+  if (!existsSync(DATA_DIR)) {
+    mkdirSync(DATA_DIR, { recursive: true });
+  }
+  const db = new Database(DB_PATH);
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS ConsentLog (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      sessionId TEXT UNIQUE NOT NULL,
+      timestamp TEXT NOT NULL,
+      essential INTEGER NOT NULL DEFAULT 0,
+      analytics INTEGER NOT NULL DEFAULT 0,
+      marketing INTEGER NOT NULL DEFAULT 0,
+      policyVersion TEXT NOT NULL,
+      ipHash TEXT,
+      userAgent TEXT
+    )
+  `);
+  return db;
 }
 
 const rateLimitMap = new Map<string, { count: number; resetTime: number }>();