feat(handlers): enrich semantic error messages with prescriptive tool hints to prevent LLM hallucination traps

server/src/handlers/meta.rs

@@ -293,7 +293,7 @@ impl McpTool for ResolveTechDebtHandler {
         if found {
             Ok("Tech debt resolved".to_string())
         } else {
-            Err("Tech debt not found".to_string())
+            Err("Tech debt not found. Please verify the tech debt ID using list_tech_debt.".to_string())
         }
     }
 }