Added nono profiles & orca integration - Added some extensions to start working on

extensions/subagents/by-the-way.test.ts

@@ -0,0 +1,29 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import {
+  BTW_TITLE_MAX_LENGTH,
+  deriveBtwTitle,
+  isModelVisible,
+} from "./src/by-the-way.ts";
+
+test("deriveBtwTitle uses the first non-empty line and bounds the title", () => {
+  assert.equal(
+    deriveBtwTitle("\n   Why   does this work?   \nignore me"),
+    "Why does this work?",
+  );
+  assert.equal(deriveBtwTitle(" \n\t"), "by the way");
+
+  const title = deriveBtwTitle("x".repeat(BTW_TITLE_MAX_LENGTH + 10));
+  assert.equal(title.length, BTW_TITLE_MAX_LENGTH);
+  assert.equal(title, `${"x".repeat(BTW_TITLE_MAX_LENGTH - 1)}…`);
+
+  const emojiTitle = deriveBtwTitle(
+    `${"x".repeat(BTW_TITLE_MAX_LENGTH - 2)}😀 more`,
+  );
+  assert.equal(emojiTitle, `${"x".repeat(BTW_TITLE_MAX_LENGTH - 2)}😀…`);
+});
+
+test("only model-origin snapshots are visible to model-facing tools", () => {
+  assert.equal(isModelVisible({ origin: "model" }), true);
+  assert.equal(isModelVisible({ origin: "btw" }), false);
+});