Add biz_state monitoring with shared LLDP parse and batch collect.

Introduce ParseProfile-based business state tasks that reuse LLDP parsing for snapshot batches (separate from topology Fabric writes), with scheduler, export, and a Phase1 UI under network tasks.

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

netx_api/biz_state/parsers/__init__.py

@@ -0,0 +1,47 @@
+"""Parser callbacks keyed by parser_id."""
+
+from __future__ import annotations
+
+from typing import Any, Callable
+
+from ...lldp_shared import NeighborHit, parse_neighbor_output
+
+NormalizeFn = Callable[..., list[dict[str, Any]]]
+
+
+def normalize_lldp_neighbors(
+    *,
+    raw_text: str,
+    vendor: str = "",
+    device_type: str = "",
+    command: str = "",
+    params: dict[str, str] | None = None,
+) -> list[dict[str, Any]]:
+    hits: list[NeighborHit] = parse_neighbor_output(
+        raw_text,
+        vendor=vendor,
+        device_type=device_type,
+        command=command,
+    )
+    _ = params
+    rows: list[dict[str, Any]] = []
+    for h in hits:
+        rows.append(
+            {
+                "local_if": str(h.local_port or "").strip(),
+                "remote_sys": str(h.remote_name or "").strip(),
+                "remote_if": str(h.remote_port or "").strip(),
+                "remote_ip": str(h.remote_ip or "").strip(),
+                "protocol": str(h.protocol or "lldp").strip() or "lldp",
+            }
+        )
+    return rows
+
+
+_REGISTRY: dict[str, NormalizeFn] = {
+    "lldp_neighbors": normalize_lldp_neighbors,
+}
+
+
+def get_parser(parser_id: str) -> NormalizeFn | None:
+    return _REGISTRY.get(str(parser_id or "").strip())