fix(talkie): label narration actions 'in this run', not 'this stage'

The actions line is session-wide, but the old 'Actions taken this stage' label
made a literal narrator (Qwen2.5-1.5B) contradict itself ('no files read this
stage'). Relabel to match reality.

core/talkie/src/main/kotlin/com/correx/core/talkie/TalkieFacade.kt

@@ -272,7 +272,7 @@ class DefaultTalkieFacade(
                 if (arg.isNullOrBlank()) req.toolName else "${req.toolName}($arg)"
             }
         if (actions.isEmpty()) return null
-        return "Actions taken this stage: " + actions.joinToString(", ")
+        return "Recent actions taken in this run: " + actions.joinToString(", ")
     }
 
     private suspend fun emitChatTurn(