[loop-cycle-54] refactor: consolidate three memory stores into single table (#37) (#223)

src/timmy/thinking.py

@@ -462,7 +462,7 @@ class ThinkingEngine:
         Args:
             facts: List of fact strings to filter and store.
         """
-        from timmy.semantic_memory import memory_write
+        from timmy.memory_system import memory_write
 
         for fact in facts[:3]:  # Safety cap
             if not isinstance(fact, str) or len(fact.strip()) <= 10: