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server/src/db/schema.js

@@ -59,6 +59,24 @@ export function initDatabase(dbPath) {
 
     CREATE INDEX IF NOT EXISTS idx_sensor_events_search 
       ON sensor_events(device, channel, timestamp);
+
+    -- Phase 2: Authentication & Views
+    CREATE TABLE IF NOT EXISTS users (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      username TEXT UNIQUE NOT NULL,
+      password_hash TEXT NOT NULL,
+      role TEXT NOT NULL CHECK(role IN ('admin', 'normal')),
+      created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+    );
+
+    CREATE TABLE IF NOT EXISTS views (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      name TEXT UNIQUE NOT NULL,
+      config TEXT NOT NULL, -- JSON string of view configuration
+      created_by INTEGER,
+      created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+      FOREIGN KEY(created_by) REFERENCES users(id)
+    );
   `);
 
   console.log('[DB] Database initialized successfully');