Fix MIN_QUESTIONS=3 to be consistent with MAX_QUESTIONS=5

src/graph/edges.py

@@ -2,7 +2,8 @@ from src.graph.state import StudyState
 
 
 MASTERY_THRESHOLD = 0.75
-MIN_QUESTIONS = 10
+MIN_QUESTIONS = 3
+MAX_QUESTIONS = 5
 MAX_REREAD_CYCLES = 3
 
 
@@ -11,6 +12,10 @@ def after_evaluate(state: StudyState) -> str:
     questions_asked = state["questions_asked"]
     weak_chunks = state.get("weak_chunks", [])
 
+    # Hard cap — stop regardless
+    if questions_asked >= MAX_QUESTIONS:
+        return "summarize"
+
     # If score is below threshold and we haven't exceeded reread limit
     if score < MASTERY_THRESHOLD and len(weak_chunks) <= MAX_REREAD_CYCLES:
         return "reread"