refactor: consolidate requests and finalize agent tool states

Share project JSON transport, interaction replies and report selectors.
Settle tool progress consistently for direct streams, reconnects and history, preserving failure reasons and stopped state.

src/features/agent/components/agent-progress-status-icon.tsx

@@ -1,9 +1,10 @@
-import { CheckCircle2, LoaderCircle, XCircle } from "lucide-react";
+import { Ban, CheckCircle2, LoaderCircle, XCircle } from "lucide-react";
 import { StatusIcon, type StatusTone } from "@/shared/ui/status";
 import type { AgentChatProgress } from "../types";
 
 const states = {
   completed: { label: "已完成", tone: "success", Icon: CheckCircle2 },
+  cancelled: { label: "已中止", tone: "neutral", Icon: Ban },
   error: { label: "失败", tone: "danger", Icon: XCircle },
   running: { label: "进行中", tone: "info", Icon: LoaderCircle }
 } satisfies Record<