Scaffold vendor parser packages for cisco/huawei/h3c/juniper/nokia/ericsson.

Co-authored-by: Cursor <cursoragent@cursor.com>

netx_api/biz_state/parsers/huawei/__init__.py

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+"""Huawei VRP parsers.
+
+LLDP already works via ``common.lldp_neighbors`` (``display lldp neighbor``).
+
+Stub modules (not registered until implemented)::
+
+    interface_brief.py  arp.py  isis_adjacency.py  nd6_cache.py  bgp_peer.py
+
+When ready, import and add to ``PARSERS``.
+"""
+
+from __future__ import annotations
+
+from typing import Any, Callable
+
+NormalizeFn = Callable[..., list[dict[str, Any]]]
+
+# Do not register stubs yet — they raise NotImplementedError.
+PARSERS: dict[str, NormalizeFn] = {}
+
+__all__ = ["PARSERS"]

netx_api/biz_state/parsers/huawei/arp.py

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+"""Huawei: display arp all / display arp — TODO implement."""
+
+from __future__ import annotations
+
+from typing import Any
+
+
+def normalize_arp(
+    *,
+    raw_text: str,
+    vendor: str = "",
+    device_type: str = "",
+    command: str = "",
+    params: dict[str, str] | None = None,
+) -> list[dict[str, Any]]:
+    _ = (raw_text, vendor, device_type, command, params)
+    raise NotImplementedError("huawei arp parser not implemented yet")

netx_api/biz_state/parsers/huawei/bgp_peer.py

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+"""Huawei: display bgp peer / display bgp vpnv4 all peer — TODO implement."""
+
+from __future__ import annotations
+
+from typing import Any
+
+
+def normalize_bgp_peer(
+    *,
+    raw_text: str,
+    vendor: str = "",
+    device_type: str = "",
+    command: str = "",
+    params: dict[str, str] | None = None,
+) -> list[dict[str, Any]]:
+    _ = (raw_text, vendor, device_type, command, params)
+    raise NotImplementedError("huawei bgp_peer parser not implemented yet")

netx_api/biz_state/parsers/huawei/interface_brief.py

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+"""Huawei: display interface brief — TODO implement."""
+
+from __future__ import annotations
+
+from typing import Any
+
+
+def normalize_interface_brief(
+    *,
+    raw_text: str,
+    vendor: str = "",
+    device_type: str = "",
+    command: str = "",
+    params: dict[str, str] | None = None,
+) -> list[dict[str, Any]]:
+    _ = (raw_text, vendor, device_type, command, params)
+    raise NotImplementedError("huawei interface_brief parser not implemented yet")

netx_api/biz_state/parsers/huawei/isis_adjacency.py

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+"""Huawei: display isis peer / display isis interface — TODO implement."""
+
+from __future__ import annotations
+
+from typing import Any
+
+
+def normalize_isis_adjacency(
+    *,
+    raw_text: str,
+    vendor: str = "",
+    device_type: str = "",
+    command: str = "",
+    params: dict[str, str] | None = None,
+) -> list[dict[str, Any]]:
+    _ = (raw_text, vendor, device_type, command, params)
+    raise NotImplementedError("huawei isis_adjacency parser not implemented yet")

netx_api/biz_state/parsers/huawei/nd6_cache.py

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+"""Huawei: display ipv6 neighbors — TODO implement."""
+
+from __future__ import annotations
+
+from typing import Any
+
+
+def normalize_nd6_cache(
+    *,
+    raw_text: str,
+    vendor: str = "",
+    device_type: str = "",
+    command: str = "",
+    params: dict[str, str] | None = None,
+) -> list[dict[str, Any]]:
+    _ = (raw_text, vendor, device_type, command, params)
+    raise NotImplementedError("huawei nd6_cache parser not implemented yet")