fix(cli): map timeseries element types for backend

node-tests/cli/tjwaterCli.node.mjs

@@ -262,6 +262,26 @@ test("uses project scoped headers for realtime data commands", async () => {
   }
 });
 
+test("maps CLI pipe and junction types to backend link and node types", async () => {
+  const server = await startJsonServer({ accepted: true });
+  const auth = { server: server.url, access_token: "token-3", project_id: "project-1" };
+  const at = "2025-01-02T03:30:00+08:00";
+  try {
+    for (const args of [
+      ["data", "timeseries", "realtime", "simulation-by-id-time", "--id", "J1", "--type", "junction", "--time", at],
+      ["data", "timeseries", "realtime", "simulation-by-time-property", "--type", "pipe", "--time", at, "--property", "flow"],
+      ["data", "timeseries", "scheme", "simulation", "--query", "by-id-time", "--id", "P1", "--type", "pipe", "--time", at, "--scheme", "scheme_case"],
+    ]) {
+      const result = await runCli(["--auth-stdin", ...args], auth);
+      assert.equal(result.exitCode, 0, result.stderr);
+    }
+    const queries = server.seen.map(normalizeSeenRequest).map((request) => request.query.type);
+    assert.deepEqual(queries, ["node", "link", "link"]);
+  } finally {
+    await server.close();
+  }
+});
+
 test("matches Python CLI backend request shape for every command and key variants", async () => {
   const tempDir = await mkdtemp(join(tmpdir(), "tjwater-cli-parity-"));
   try {