diff --git a/src/migration/auth_schema.sql b/src/migration/auth_schema.sql
deleted file mode 100644
index 74f6b46..0000000
--- a/src/migration/auth_schema.sql
+++ /dev/null
@@ -1,39 +0,0 @@
-PRAGMA foreign_keys=ON;
-
-CREATE TABLE
-  users (
-    user_id INTEGER PRIMARY KEY AUTOINCREMENT,
-    username TEXT NOT NULL UNIQUE,
-    display_name TEXT,
-    email TEXT,
-    status TEXT NOT NULL DEFAULT 'active', -- active | disabled
-    created_at TEXT NOT NULL DEFAULT (datetime ('now'))
-  );
-
-CREATE TABLE
-  api_keys (
-    api_key_id INTEGER PRIMARY KEY AUTOINCREMENT,
-    user_id INTEGER NOT NULL,
-    api_key TEXT NOT NULL UNIQUE,
-    api_secret TEXT NOT NULL,
-    status TEXT NOT NULL DEFAULT 'active', -- active | revoked
-    last_used_at TEXT,
-    created_at TEXT NOT NULL DEFAULT (datetime ('now')),
-    FOREIGN KEY (user_id) REFERENCES users (user_id)
-  );
-
-CREATE TABLE
-  access_channels (
-    channel_id INTEGER PRIMARY KEY AUTOINCREMENT,
-    user_id INTEGER NOT NULL,
-    channel TEXT NOT NULL,
-    identifier TEXT, -- chat_id, phone, webhook_id
-    status TEXT NOT NULL DEFAULT 'active',
-    created_at TEXT NOT NULL DEFAULT (datetime ('now')),
-    FOREIGN KEY (user_id) REFERENCES users (user_id)
-  );
-
-INSERT INTO
-  users (username, display_name, status)
-VALUES
-  ('system', 'System User', 'active');
\ No newline at end of file
diff --git a/src/migration/schema.sql b/src/migration/schema.sql
index 0bd5cb5..69cf991 100644
--- a/src/migration/schema.sql
+++ b/src/migration/schema.sql
@@ -1,13 +1,29 @@
+PRAGMA foreign_keys=ON;
+
 CREATE TABLE
-  client_request (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    name TEXT NOT NULL,
-    phone TEXT,
-    email TEXT NOT NULL,
-    company_name TEXT NOT NULL,
-    sector TEXT NOT NULL,
-    number_of_employees INTEGER NOT NULL,
-    revenue TEXT NOT NULL,
-    description TEXT,
-    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+  users (
+    user_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_name TEXT NOT NULL UNIQUE,
+    user_source TEXT NOT NULL, -- web | api | telegram | whatsapp | system
+    user_api_key TEXT UNIQUE,
+    user_api_secret TEXT,
+    user_status INTEGER NOT NULL DEFAULT 1, -- 1 = active | 0 = disabled
+    user_flag TEXT, -- free text: admin, system, bot, etc
+    user_created_at INTEGER NOT NULL -- timestamp ms
+  );
+
+CREATE TABLE
+  lead (
+    lead_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    lead_source INTEGER,
+    lead_name TEXT NOT NULL,
+    lead_phone TEXT,
+    lead_email TEXT NOT NULL,
+    lead_company TEXT NOT NULL,
+    lead_sector TEXT NOT NULL,
+    lead_employees INTEGER NOT NULL,
+    lead_revenue TEXT NOT NULL,
+    lead_description TEXT,
+    lead_created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (lead_source) REFERENCES users (user_id) ON DELETE SET NULL
   );
\ No newline at end of file