Initial commit - Phase 3/4

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/backend/models/database.py

@@ -10,16 +10,40 @@ async def init_db():
     config.DATA_DIR.mkdir(parents=True, exist_ok=True)
 
     async with aiosqlite.connect(config.DATABASE_PATH) as db:
-        # Sessions table
+        # Devices table (NEW for multi-device support)
+        await db.execute("""
+            CREATE TABLE IF NOT EXISTS devices (
+                device_id TEXT PRIMARY KEY,
+                device_path TEXT NOT NULL,
+                serial_number TEXT,
+                friendly_name TEXT,
+                usb_vid TEXT,
+                usb_pid TEXT,
+                first_seen TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                last_seen TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                firmware_version TEXT,
+                bootrom_version TEXT,
+                metadata TEXT,
+                version_mismatch_ignored BOOLEAN DEFAULT FALSE,
+                ignored_at TIMESTAMP,
+                ignored_version TEXT
+            )
+        """)
+
+        # Sessions table (UPDATED for multi-device support)
         await db.execute("""
             CREATE TABLE IF NOT EXISTS sessions (
                 id INTEGER PRIMARY KEY AUTOINCREMENT,
                 session_id TEXT UNIQUE NOT NULL,
+                device_id TEXT,
+                device_path TEXT,
                 client_ip TEXT NOT NULL,
                 user_agent TEXT,
                 created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
                 last_activity TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-                is_active BOOLEAN DEFAULT 1
+                released_at TIMESTAMP,
+                is_active BOOLEAN DEFAULT 1,
+                FOREIGN KEY (device_id) REFERENCES devices(device_id)
             )
         """)
 
@@ -56,6 +80,24 @@ async def init_db():
             )
         """)
 
+        # Firmware flash log table (NEW for firmware update tracking)
+        await db.execute("""
+            CREATE TABLE IF NOT EXISTS firmware_flash_log (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                device_id TEXT NOT NULL,
+                device_path TEXT NOT NULL,
+                timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                old_version TEXT,
+                new_version TEXT,
+                flash_bootrom BOOLEAN DEFAULT FALSE,
+                success BOOLEAN,
+                error_message TEXT,
+                duration_seconds INTEGER,
+                user_ip TEXT,
+                FOREIGN KEY (device_id) REFERENCES devices(device_id)
+            )
+        """)
+
         await db.commit()