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_collection_job_state.py

@@ -0,0 +1,35 @@
+from __future__ import annotations
+
+import unittest
+from datetime import datetime
+from unittest.mock import MagicMock
+
+from netx_api.collection_job_state import finalize_collection_job
+
+
+class CollectionJobFinalizeTests(unittest.TestCase):
+    def test_paused_job_stays_paused_when_all_runs_terminal(self):
+        job = MagicMock()
+        job.status = "paused"
+        job.ended_at = None
+        job.success_count = 0
+        job.fail_count = 0
+
+        run_ok = MagicMock(status="success")
+        run_cancel = MagicMock(status="cancelled")
+
+        db = MagicMock()
+        db.query.return_value.filter.return_value.all.return_value = [run_ok, run_cancel]
+        db.get.return_value = job
+
+        finalize_collection_job(db, "job-1")
+
+        self.assertEqual(job.status, "paused")
+        self.assertEqual(job.success_count, 1)
+        self.assertEqual(job.fail_count, 1)
+        self.assertIsNotNone(job.ended_at)
+        db.commit.assert_called_once()
+
+
+if __name__ == "__main__":
+    unittest.main()