fix(formatters): strip HTML from comment bodies so bot notifications render cleanly

tests/html-to-text.test.ts

@@ -0,0 +1,40 @@
+import { describe, expect, it } from "bun:test";
+import { htmlToText } from "../server/lib/formatters/helpers";
+
+describe("htmlToText", () => {
+  it("strips an HTML table bot comment into clean text", () => {
+    const html =
+      "Deploying webhooker with <a href=\"https://pages.dev\">Cloudflare Pages</a>.<table><tr><td>Latest commit:</td><td><code>526e6c4</code></td></tr><tr><td>Status:</td><td>✅ Deploy successful!</td></tr><tr><td>Preview URL:</td><td><a href='https://ab622f32.webhooker-2e3.pages/...'>preview</a></td></tr></table>";
+    const out = htmlToText(html);
+    expect(out).not.toContain("<table>");
+    expect(out).not.toContain("<td>");
+    expect(out).not.toContain("<a ");
+    expect(out).toContain("Latest commit:");
+    expect(out).toContain("526e6c4");
+    expect(out).toContain("✅ Deploy successful!");
+    expect(out).toContain("preview");
+  });
+
+  it("passes plain markdown through unchanged", () => {
+    const md = "**bold** and `code` and [link](https://example.com)";
+    expect(htmlToText(md)).toBe(md);
+  });
+
+  it("converts <br> to a newline", () => {
+    expect(htmlToText("line one<br>line two")).toBe("line one\nline two");
+  });
+
+  it("converts <li> to a bullet", () => {
+    expect(htmlToText("<ul><li>first</li><li>second</li></ul>")).toBe("• first\n• second");
+  });
+
+  it("decodes entities", () => {
+    expect(htmlToText("a &amp; b &lt;tag&gt; &quot;q&quot; &#39;apos&#39;")).toBe(
+      "a & b <tag> \"q\" 'apos'",
+    );
+  });
+
+  it("returns an empty string for empty input", () => {
+    expect(htmlToText("")).toBe("");
+  });
+});