misc: Add authentication init

ai-improved.sql

@@ -60,16 +60,25 @@ CREATE TABLE actors (
     FOREIGN KEY (data_type_id) REFERENCES data_types(id)
 );
 
--- Insert test device
-INSERT INTO devices (id, name, description, location, status_id)
-VALUES (UUID_TO_BIN(UUID()), 'TestDevice', 'Test device for development', 'Lab', 1);
+-- Users table for authentication
+CREATE TABLE users (
+    id BINARY(16) NOT NULL PRIMARY KEY,
+    username VARCHAR(50) NOT NULL UNIQUE,
+    password_hash VARCHAR(255) NOT NULL,
+    email VARCHAR(255),
+    created_at DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
+    updated_at DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
-SET @device_id = (SELECT id FROM devices WHERE name = 'TestDevice' LIMIT 1);
+-- Create index on username for faster lookups
+CREATE INDEX idx_username ON users(username);
 
--- Insert bool sensor
-INSERT INTO sensors (id, device_id, name, type, data_type_id)
-VALUES (UUID_TO_BIN(UUID()), @device_id, 'TestSensor', 'bool_sensor', 1);
-
--- Insert bool actor
-INSERT INTO actors (id, device_id, name, type, data_type_id)
-VALUES (UUID_TO_BIN(UUID()), @device_id, 'TestActor', 'bool_actor', 1);
+-- Insert default admin user (password: password)
+-- bcrypt hash of "password"
+INSERT INTO users (id, username, password_hash, email)
+VALUES (
+    UUID_TO_BIN(UUID()),
+    'admin',
+    '$2a$10$y5R/aLl7Ah9GbdcR57f4ze0lX12suTJQvPyJwLE0RJXqWpg7lStAC',
+    'admin@example.com'
+);