// SPEC: PJ2026-0104010803 Workbench唯一投影 draft-2026-06-24-p1-opencode-message-part-authority.
// Responsibility: AgentRun cancel control-path regressions without adding more cases to the legacy large server-agent-chat test file.

import assert from "node:assert/strict";
import { test } from "bun:test";

import { cancelAgentRunChatTurn } from "./code-agent-agentrun-adapter.ts";
import { createCodeAgentTraceStore } from "./code-agent-trace-store.ts";

test("AgentRun cancel downstream failure returns visible blocked disposition instead of throwing", async () => {
  const traceId = "trc_cancel_downstream_blocked";
  const codeAgentChatResults = new Map();
  const traceStore = createCodeAgentTraceStore();
  const currentResult = {
    traceId,
    status: "running",
    conversationId: "cnv_cancel_downstream_blocked",
    sessionId: "ses_cancel_downstream_blocked",
    agentRun: {
      runId: "run_cancel_downstream_blocked",
      commandId: "cmd_cancel_downstream_blocked",
      managerUrl: "http://127.0.0.1:65535",
      status: "running",
      commandState: "running"
    }
  };
  const payload = await cancelAgentRunChatTurn({
    traceId,
    currentResult,
    traceStore,
    options: {
      codeAgentChatResults,
      env: {
        HWLAB_CODE_AGENT_AGENTRUN_ALLOW_NON_K3S_URL: "1",
        HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS: "5000",
        HWLAB_CODE_AGENT_CANCEL_TIMEOUT_MS: "5000"
      },
      async fetchImpl(url, init) {
        assert.equal(url, "http://127.0.0.1:65535/api/v1/commands/cmd_cancel_downstream_blocked/cancel");
        assert.equal(init.method, "POST");
        return new Response(JSON.stringify({ ok: false, failureKind: "command_not_cancelable", message: "command is not cancelable" }), { status: 409 });
      }
    }
  });

  assert.equal(payload.status, "blocked");
  assert.equal(payload.canceled, false);
  assert.equal(payload.cancelStatus, "blocked");
  assert.equal(payload.cancelDisposition.status, "blocked");
  assert.equal(payload.cancelDisposition.code, "command_not_cancelable");
  assert.equal(payload.cancelDisposition.terminal, false);
  assert.equal(payload.error.route, "/v1/agent/chat/cancel");
  assert.equal(payload.error.upstreamRoute, "/api/v1/commands/cmd_cancel_downstream_blocked/cancel");
  assert.equal(codeAgentChatResults.get(traceId)?.cancelDisposition?.code, "command_not_cancelable");
  assert.ok(traceStore.snapshot(traceId).events.some((event) => event.label === "agentrun:cancel:blocked" && event.status === "blocked"));
});