sync local pi changes

.pi/agent/extensions/tmux-subagent/src/models.test.ts

@@ -0,0 +1,44 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import {
+  formatModelReference,
+  listAvailableModelReferences,
+  normalizeAvailableModelReference,
+  resolveChildModel,
+} from "./models.ts";
+
+test("resolveChildModel prefers the per-task override over the required top-level model", () => {
+  const selection = resolveChildModel({
+    taskModel: "openai/gpt-5",
+    topLevelModel: "anthropic/claude-sonnet-4-5",
+  });
+
+  assert.equal(selection.requestedModel, "openai/gpt-5");
+  assert.equal(selection.resolvedModel, "openai/gpt-5");
+});
+
+test("formatModelReference returns provider/id", () => {
+  const ref = formatModelReference({ provider: "anthropic", id: "claude-sonnet-4-5" });
+
+  assert.equal(ref, "anthropic/claude-sonnet-4-5");
+});
+
+test("listAvailableModelReferences formats all configured available models", () => {
+  const refs = listAvailableModelReferences({
+    getAvailable: () => [
+      { provider: "anthropic", id: "claude-sonnet-4-5" },
+      { provider: "openai", id: "gpt-5" },
+    ],
+  });
+
+  assert.deepEqual(refs, ["anthropic/claude-sonnet-4-5", "openai/gpt-5"]);
+});
+
+test("normalizeAvailableModelReference matches canonical refs case-insensitively", () => {
+  const normalized = normalizeAvailableModelReference("OpenAI/GPT-5", [
+    "anthropic/claude-sonnet-4-5",
+    "openai/gpt-5",
+  ]);
+
+  assert.equal(normalized, "openai/gpt-5");
+});