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

extensions/shared/context-utilization.test.ts

@@ -0,0 +1,48 @@
+import assert from "node:assert/strict";
+import { test } from "node:test";
+import {
+  contextPercent,
+  formatContextUtilization,
+} from "./context-utilization.ts";
+
+test("formats current context occupancy against model capacity", () => {
+  assert.equal(
+    formatContextUtilization({ tokens: 26_040, contextWindow: 372_000 }),
+    "7%/372k",
+  );
+});
+
+test("formats the latest post-compaction usage rather than prior cumulative usage", () => {
+  const latestUsage = { tokens: 18_000, contextWindow: 200_000 };
+  assert.equal(formatContextUtilization(latestUsage), "9%/200k");
+});
+
+test("clamps over-capacity and nonsensical token values", () => {
+  assert.equal(
+    contextPercent({ tokens: 500_000, contextWindow: 200_000 }),
+    100,
+  );
+  assert.equal(
+    formatContextUtilization({
+      tokens: Number.POSITIVE_INFINITY,
+      contextWindow: 200_000,
+    }),
+    "?%/200k",
+  );
+  assert.equal(
+    formatContextUtilization({ tokens: -1, contextWindow: 200_000 }),
+    "?%/200k",
+  );
+});
+
+test("handles missing usage or capacity without NaN or Infinity", () => {
+  assert.equal(
+    formatContextUtilization({ tokens: null, contextWindow: 372_000 }),
+    "?%/372k",
+  );
+  assert.equal(formatContextUtilization({ tokens: 12_000 }), "");
+  assert.equal(
+    formatContextUtilization({ tokens: 12_000, contextWindow: 0 }),
+    "",
+  );
+});