Add structured routine logging sheets to Doris Barbell

home/doris-barbell/app/services/store.py

@@ -267,6 +267,13 @@ class JSONStore:
         state = self._read()
         return sorted(state['routines'], key=lambda item: item['name'].lower())
 
+    def get_routine(self, routine_id: str) -> dict[str, Any] | None:
+        state = self._read()
+        for routine in state['routines']:
+            if routine.get('id') == routine_id:
+                return routine
+        return None
+
     def add_workout(self, payload: dict[str, Any]) -> dict[str, Any]:
         state = self._read()
         self._user_or_raise(state, payload['user_id'])