fix(kanban): preserve dashboard completion summaries

hermes_cli/kanban.py

@@ -343,6 +343,27 @@ def build_parser(parent_subparsers: argparse._SubParsersAction) -> argparse.Argu
                             help='JSON dict of structured facts (e.g. \'{"changed_files": [...], '
                                  '"tests_run": 12}\'). Stored on the closing run.')
 
+    p_edit = sub.add_parser(
+        "edit",
+        help="Edit recovery fields on an already-completed task",
+    )
+    p_edit.add_argument("task_id")
+    p_edit.add_argument(
+        "--result",
+        required=True,
+        help="Backfilled task result text for a done task",
+    )
+    p_edit.add_argument(
+        "--summary",
+        default=None,
+        help="Structured handoff summary. Falls back to --result if omitted.",
+    )
+    p_edit.add_argument(
+        "--metadata",
+        default=None,
+        help="JSON dict of structured facts to store on the latest completed run.",
+    )
+
     p_block = sub.add_parser("block", help="Mark one or more tasks blocked")
     p_block.add_argument("task_id")
     p_block.add_argument("reason", nargs="*", help="Reason (also appended as a comment)")
@@ -581,6 +602,7 @@ def kanban_command(args: argparse.Namespace) -> int:
         "claim":    _cmd_claim,
         "comment":  _cmd_comment,
         "complete": _cmd_complete,
+        "edit":     _cmd_edit,
         "block":    _cmd_block,
         "unblock":  _cmd_unblock,
         "archive":  _cmd_archive,
@@ -1187,6 +1209,34 @@ def _cmd_complete(args: argparse.Namespace) -> int:
     return 0 if not failed else 1
 
 
+def _cmd_edit(args: argparse.Namespace) -> int:
+    raw_meta = getattr(args, "metadata", None)
+    metadata = None
+    if raw_meta:
+        try:
+            metadata = json.loads(raw_meta)
+            if not isinstance(metadata, dict):
+                raise ValueError("must be a JSON object")
+        except (ValueError, json.JSONDecodeError) as exc:
+            print(f"kanban: --metadata: {exc}", file=sys.stderr)
+            return 2
+    with kb.connect() as conn:
+        if not kb.edit_completed_task_result(
+            conn,
+            args.task_id,
+            result=args.result,
+            summary=getattr(args, "summary", None),
+            metadata=metadata,
+        ):
+            print(
+                f"cannot edit {args.task_id} (unknown id or task is not done)",
+                file=sys.stderr,
+            )
+            return 1
+    print(f"Edited {args.task_id}")
+    return 0
+
+
 def _cmd_block(args: argparse.Namespace) -> int:
     reason = " ".join(args.reason).strip() if args.reason else None
     author = _profile_author()