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>

tests/test_biz_state_profiles.py

@@ -0,0 +1,63 @@
+"""Unit tests for biz_state ParseProfile match / expand (no device)."""
+
+from __future__ import annotations
+
+import unittest
+
+from netx_api.biz_state.command_match import expand_from_bindings, match_command, preview_task_item
+from netx_api.biz_state.profiles import all_profiles, get_profile, profiles_for_vendor
+from netx_api.biz_state.parsers import normalize_lldp_neighbors
+from netx_api.lldp_shared import parse_neighbor_output
+
+
+class BizStateProfileTests(unittest.TestCase):
+    def test_lldp_profiles_registered(self) -> None:
+        profiles = all_profiles()
+        self.assertTrue(any(p.metric_id == "lldp_neighbor" for p in profiles))
+        zte = profiles_for_vendor("zte")
+        self.assertTrue(any(p.profile_id == "zte.lldp_neighbors" for p in zte))
+
+    def test_match_zte_lldp_command(self) -> None:
+        hit = match_command(vendor_key="zte", command="show lldp neighbor brief")
+        self.assertIsNotNone(hit)
+        assert hit is not None
+        self.assertEqual(hit.profile.parser_id, "lldp_neighbors")
+        self.assertEqual(hit.profile.metric_id, "lldp_neighbor")
+
+    def test_match_huawei_lldp_command(self) -> None:
+        hit = match_command(vendor_key="huawei", command="display lldp neighbor")
+        self.assertIsNotNone(hit)
+        assert hit is not None
+        self.assertEqual(hit.profile.profile_id, "huawei.lldp_neighbors")
+
+    def test_expand_no_placeholder(self) -> None:
+        p = get_profile("zte.lldp_neighbors")
+        self.assertIsNotNone(p)
+        assert p is not None
+        pairs = expand_from_bindings(profile=p)
+        self.assertEqual(len(pairs), 1)
+        self.assertEqual(pairs[0][0], "show lldp neighbor brief")
+
+    def test_preview_custom_raw(self) -> None:
+        prev = preview_task_item(
+            vendor_key="zte",
+            kind="custom_raw",
+            command="show version",
+        )
+        self.assertTrue(prev["ok"])
+        self.assertEqual(prev["parse"], "skipped_custom")
+
+    def test_shared_parse_empty(self) -> None:
+        rows = normalize_lldp_neighbors(
+            raw_text="",
+            vendor="zte",
+            device_type="zte_zxros",
+            command="show lldp neighbor brief",
+        )
+        self.assertEqual(rows, [])
+        hits = parse_neighbor_output("", vendor="zte", device_type="zte_zxros")
+        self.assertEqual(hits, [])
+
+
+if __name__ == "__main__":
+    unittest.main()