feat: Fingerprint-Attribute für Discovery-Scoring

Ergänzt DRIVER_NAME, HTTP_FINGERPRINT, SNMP_FINGERPRINT, SSH_FINGERPRINT,
PORT_SPECS und SNMP_OBJECT_ID_PREFIX gemäß docs/DISCOVERY_FINGERPRINTING.md.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

napalm_linux/linux.py

@@ -31,7 +31,7 @@ from netmiko.exceptions import (
 )
 from napalm.base.exceptions import ConnectionException, ConnectionClosedException
 from napalm.base.netmiko_helpers import netmiko_args
-from napalm_device_types import OSDriver
+from napalm_device_types import FingerprintRule, OSDriver
 from napalm_device_types.models import (
     ApplyUpdatesResultDict,
     CronJobDict,
@@ -125,6 +125,16 @@ class LinuxDriver(OSDriver):
 
     TYPE_LABEL = "Linux"
     VENDOR = "Linux"
+    DRIVER_NAME = "linux"
+    SNMP_FINGERPRINT = [
+        FingerprintRule("linux", weight=5.0),
+    ]
+    SSH_FINGERPRINT = [
+        FingerprintRule("ubuntu", weight=4.0),
+        FingerprintRule("debian", weight=4.0),
+        FingerprintRule("alpine", weight=4.0),
+        FingerprintRule("openssh", weight=1.0),
+    ]
     NETMIKO_DEVICE_TYPE = "linux"
 
     def __init__(