fix tool mode ai pipiline logic

.env.example

@@ -100,17 +100,11 @@ AI_SOFTWARE_SELECTION_RATIO=0.5  # 50% software tools (increase for more tool re
 
 # AI selection limits
 AI_MAX_SELECTED_ITEMS=25
-AI_MAX_TOOLS_TO_ANALYZE=20
-AI_MAX_CONCEPTS_TO_ANALYZE=10
 
 # Efficiency thresholds
 AI_EMBEDDINGS_MIN_TOOLS=8
 AI_EMBEDDINGS_MAX_REDUCTION_RATIO=0.75
 
-# Fallback limits when embeddings are disabled
-AI_NO_EMBEDDINGS_TOOL_LIMIT=25
-AI_NO_EMBEDDINGS_CONCEPT_LIMIT=10
-
 # === Rate Limiting & Timing ===
 AI_MICRO_TASK_TOTAL_LIMIT=30
 AI_MICRO_TASK_DELAY_MS=500