🚧 Add file time information in commit message

tests/integration/test_run_cycle.py

@@ -102,6 +102,22 @@ class TestRunCycle:
         body = _git_out("log", "-1", "--format=%b", cwd=git_repo)
         assert "Last modified by: DOMAIN\\jsmith" in body
 
+    def test_file_mtime_appears_in_commit_local_time(
+        self, git_repo: Path, tracker_config: dict, tmp_path: Path
+    ) -> None:
+        """Section 12 file_timestamp rendered as 'Modified at' (local time)."""
+        import re as re_mod
+
+        (git_repo / "config.xml").write_text("<c/>", encoding="utf-8")
+        _run(tracker_config, tmp_path)
+        body = _git_out("log", "-1", "--format=%b", cwd=git_repo)
+        # Local-time format with explicit +/-HH:MM offset (Section 15)
+        assert re_mod.search(
+            r"Modified at: \d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}[+-]\d{2}:\d{2}\b", body
+        )
+        # The timestamp block sits directly under the changed file entry
+        assert "  config.xml\n    Last modified by: UNKNOWN\n    Modified at:" in body
+
     def test_excluded_files_not_committed(
         self, git_repo: Path, tracker_config: dict, tmp_path: Path
     ) -> None:

tests/unit/test_lock_config_message.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import datetime as dt
+import re
 from pathlib import Path
 
 import pytest
@@ -152,6 +153,7 @@ class TestCommitMessage:
                 ChangeRecord(
                     path="Stations/PS101/project.xml",
                     change_type=ChangeType.MODIFIED,
+                    file_timestamp=dt.datetime(2026, 9, 11, 6, 42, 9, tzinfo=dt.UTC),
                     author=AuthorIdentity(
                         identifier="DOMAIN\\jsmith",
                         source="scada_audit_log",
@@ -175,6 +177,13 @@ class TestCommitMessage:
         assert "Added: 1" in message
         assert "Last modified by: DOMAIN\\jsmith" in message
         assert "Last modified by: UNKNOWN" in message
+        # Filesystem mtime rendered as 'Modified at' in local time with offset
+        assert "    Modified at: " in message
+        assert re.search(
+            r"Modified at: \d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}[+-]\d{2}:\d{2}\b", message
+        )
+        # Resolver-provided timestamp kept as a separate 'Changed at' line
+        assert "    Changed at: " in message
         assert "Stations/PS027/old.xml" in message
         # Trailers last (Section 36)
         assert "Tracker-Version: 1.0.0" in message