feat(ops): add managed NE management and batch CLI collection

Introduce workbench operations for multi-vendor NE CRUD/connect-test and Netmiko batch collection with job lifecycle controls, log downloads, and paginated run filters.

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

tests/test_ne_collection.py

@@ -0,0 +1,15 @@
+from __future__ import annotations
+
+import unittest
+
+from netx_api.collection_service import _parse_commands
+
+
+class NeCollectionParseTests(unittest.TestCase):
+    def test_parse_commands_skips_comments(self):
+        cmds = _parse_commands("display version\n# comment\ndisplay ip int brief\n")
+        self.assertEqual(cmds, ["display version", "display ip int brief"])
+
+
+if __name__ == "__main__":
+    unittest.main()