feat(web): use compact cut list identifiers

tests/test_job_number_format.py

@@ -0,0 +1,28 @@
+"""Regression checks for compact CutList identifiers."""
+
+from __future__ import annotations
+
+import unittest
+from pathlib import Path
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+JOB_SERVICE = REPO_ROOT / "CutList.Web/Services/JobService.cs"
+UNPAD_MIGRATION = REPO_ROOT / "CutList.Web/Migrations/20260802212500_RemoveJobNumberPadding.cs"
+
+
+class JobNumberFormatTests(unittest.TestCase):
+    def test_new_jobs_use_the_database_id_without_zero_padding(self) -> None:
+        service = JOB_SERVICE.read_text()
+
+        self.assertIn('job.JobNumber = $"JOB-{job.Id}";', service)
+        self.assertNotIn("D5", service)
+        self.assertNotIn("MaxAsync() as string", service)
+
+    def test_existing_job_numbers_are_converted_to_their_database_ids(self) -> None:
+        migration = UNPAD_MIGRATION.read_text()
+
+        self.assertIn("SET JobNumber = 'JOB-' + CAST(Id AS varchar(11))", migration)
+
+
+if __name__ == "__main__":
+    unittest.main()