feat: implement workflow findings sharing for inter-agent communication in workflows

src/app/state/rest.rs

@@ -297,6 +297,7 @@ impl AppStateRest {
             graduated_checks: Vec::new(),
             lsp_manager: self.lsp_manager.clone(),
             turn_events: Some(self.turn_events.clone()),
+            workflow_findings: None,
         }
     }
 }