fix: improve device model matching flexibility for handlers

Update handler selection logic to support model prefix matching instead of exact matching, allowing handlers to support model variants (e.g., "ce6800" matches "ce" handler). Register AristaEOSHandler in factory and align test fixture model name.

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

Co-Authored-By: Claude <[email protected]>

Author: vincentbergman

components/netdriver/server/handlers/__init__.py

@@ -71,5 +71,7 @@ def create_handler(process: SSHServerProcess,
             return PaloaltoPAHandler(process, conf_path)
         elif HuaweiCEHandler.is_selectable(vendor, model, version):
             return HuaweiCEHandler(process, conf_path)
+        elif AristaEOSHandler.is_selectable(vendor, model, version):
+            return AristaEOSHandler(process, conf_path)
         else:
             raise ValueError(f"Unsupported device: {vendor}:{model}:{version}")

components/netdriver/server/handlers/huawei/huawei_ce.py

@@ -22,7 +22,7 @@ class HuaweiCEHandler(CommandHandler):
     @classmethod
     def is_selectable(cls, vendor: str, model: str, version: str) -> bool:
         # only check vendor and model, check version in the future
-        if cls.info.vendor == vendor and cls.info.model == model:
+        if cls.info.vendor == vendor and model.startswith(cls.info.model):
             return True
 
     def __init__(self, process: SSHServerProcess, conf_path: str = None):

tests/bases/netdriver/agent/conftest.py

@@ -405,7 +405,7 @@ def arista_eos_dev(request: pytest.FixtureRequest) -> Generator[dict, None, None
         }
     else:
         port = 18039
-        dev = MockSSHDevice.create_device(vendor="arista", model="eos-lab", version="4.31.2F", port=port)
+        dev = MockSSHDevice.create_device(vendor="arista", model="eos", version="4.31.2F", port=port)
         runner = AsyncRunner(dev)
         thread = threading.Thread(target=runner)
         thread.daemon = True