fix: remove dead f-string prefixes via ruff F541 (216 sites) (#52336)

ruff check --fix --select F541 . on current main. Pure prefix removals;
adjacent-string concatenations keep the f only on interpolating fragments.
No string content or live placeholder altered.

hermes_cli/kanban_diagnostics.py

@@ -355,11 +355,11 @@ def _rule_hallucinated_cards(task, events, runs, now, cfg) -> list[Diagnostic]:
         severity="error",
         title="Worker claimed cards that don't exist",
         detail=(
-            f"The completing worker declared created_cards that either didn't "
-            f"exist or weren't created by its profile. The completion was "
-            f"blocked and the task stayed in its prior state. "
-            f"Usually means the worker hallucinated ids instead of capturing "
-            f"return values from kanban_create."
+            "The completing worker declared created_cards that either didn't "
+            "exist or weren't created by its profile. The completion was "
+            "blocked and the task stayed in its prior state. "
+            "Usually means the worker hallucinated ids instead of capturing "
+            "return values from kanban_create."
         ),
         actions=actions,
         first_seen_at=first,