feat: Add OSINT features (v0.1.2)

- MAC vendor lookup (IEEE OUI database)
- BLE company_id to manufacturer mapping
- Device profile enrichment in API responses
- Export endpoints: devices.csv, devices.json, alerts.csv, probes.csv
- Auto-populate vendor on device creation
- CLI command: flask download-oui
- Makefile target: make oui

13 tests passing

src/esp32_web/api/devices.py

@@ -3,6 +3,7 @@ from flask import request
 from . import bp
 from ..models import Device, Sighting
 from ..extensions import db
+from ..services.device_service import enrich_device
 
 
 @bp.route('/devices')
@@ -18,7 +19,7 @@ def list_devices():
     query = query.limit(limit).offset(offset)
 
     devices = db.session.scalars(query).all()
-    return {'devices': [d.to_dict() for d in devices], 'limit': limit, 'offset': offset}
+    return {'devices': [enrich_device(d) for d in devices], 'limit': limit, 'offset': offset}
 
 
 @bp.route('/devices/<mac>')
@@ -37,6 +38,6 @@ def get_device(mac):
         .limit(20)
     ).all()
 
-    result = device.to_dict()
+    result = enrich_device(device)
     result['sightings'] = [s.to_dict() for s in sightings]
     return result