Improved validation based on story

tools/engine_lib/validation.py

@@ -8,7 +8,7 @@ from .paths import CHAR_PATH, WORLD_PATH
 from . import state
 
 
-VALIDATION_PROMPT = """You are a strict RPG game master validating whether a player's action is possible given the game state. Be thorough — check inventory, stats, location, NPCs, and story logic.
+VALIDATION_PROMPT = """You are a strict RPG game master validating whether a player's action is possible given the game state. Be thorough — check inventory, stats, location, NPCs, story context, and story logic.
 
 ## Character
 {character}
@@ -16,6 +16,12 @@ VALIDATION_PROMPT = """You are a strict RPG game master validating whether a pla
 ## World
 {world}
 
+## Session Log
+{log}
+
+## Recent Story
+{story}
+
 ## Player Action
 {action}
 
@@ -24,6 +30,7 @@ VALIDATION_PROMPT = """You are a strict RPG game master validating whether a pla
 - Are they asserting something that contradicts the state? -> invalid
 - Is the action nonsensical given the situation? -> invalid
 - Does the action make sense given the character's abilities and resources? -> valid
+- Pay close attention to the Recent Story section — entities like monsters, NPCs, and hazards currently present in the scene ARE valid targets for action.
 - If valid, also check: if they're using a consumable item, note that it must be removed from inventory.
 
 Reply with ONLY the JSON object. Examples:
@@ -39,6 +46,9 @@ or
 
 def validate_action(
     player_action: str,
+    *,
+    story: str = "",
+    log: str = "",
     on_debug: callable = None,
 ) -> tuple[bool, str]:
     """Ask the LLM whether a player action is valid given the game state. Returns (valid, reason)."""
@@ -47,8 +57,10 @@ def validate_action(
 
     char = state.read_file(CHAR_PATH) or "*No character sheet.*"
     world = state.truncate_world(state.read_file(WORLD_PATH) or "") or "*No world state.*"
+    recent = story.strip() or state.read_recent_book() or "*No prior story.*"
+    log_entries = log.strip() or state.read_recent_log() or "*No recent events.*"
 
-    prompt = VALIDATION_PROMPT.format(character=char, world=world, action=player_action)
+    prompt = VALIDATION_PROMPT.format(character=char, world=world, log=log_entries, story=recent, action=player_action)
 
     text = call_llm(
         [{"role": "user", "content": prompt}],