test(issues): shorten mid-token entity test comment

Made-with: Cursor

server/src/__tests__/normalize-agent-mention-token.test.ts

@@ -14,12 +14,8 @@ describe("normalizeAgentMentionToken", () => {
     expect(normalizeAgentMentionToken("Baba ")).toBe("Baba");
   });
 
-  /**
-   * Greptile (PR review): cover an entity in the *middle* of a token, not only trailing ` ` / ` `.
-   * Earlier implementation *stripped* `&`, turning `Ba&ba` into `Baba` and breaking names like `M&M`.
-   * Current behavior decodes `&` → `&`, so the expected value is `Ba&ba`, not `Baba`.
-   */
-  it("decodes a named entity mid-token (Ba&ba → Ba&ba, not strip to Baba)", () => {
+  // Mid-token entity (review asked for this shape); we decode &→&, not strip to "Baba" (that broke M&M).
+  it("decodes a named entity in the middle of the token", () => {
     expect(normalizeAgentMentionToken("Ba&ba")).toBe("Ba&ba");
   });