fix(extension): drop dead issue-page content-script match

apps/loopover-extension/content.js

@@ -1,20 +1,21 @@
 const target = matchGitHubPageTarget(location.pathname);
 
-if (target?.kind === "pull_request") {
+if (target) {
   mountOverlay(target);
 }
 
+// #7462: pull-request pages only — issue classification was dead (manifest matched issues/*
+// but nothing consumed kind:"issue", and there is no issue-context backend route).
 function matchGitHubPageTarget(pathname) {
-  const match = String(pathname ?? "").match(/^\/([^/]+)\/([^/]+)\/(pull|issues)\/(\d+)(?:\/|$)/);
+  const match = String(pathname ?? "").match(/^\/([^/]+)\/([^/]+)\/pull\/(\d+)(?:\/|$)/);
   if (!match) return null;
-  const [, owner, repo, surface, number] = match;
-  if (surface === "pull") return { kind: "pull_request", owner, repo, pullNumber: Number(number) };
-  return { kind: "issue", owner, repo, issueNumber: Number(number) };
+  const [, owner, repo, number] = match;
+  return { kind: "pull_request", owner, repo, pullNumber: Number(number) };
 }
 
 function matchPullRequestTarget(pathname) {
   const target = matchGitHubPageTarget(pathname);
-  if (target?.kind !== "pull_request") return null;
+  if (!target) return null;
   return { owner: target.owner, repo: target.repo, pullNumber: target.pullNumber };
 }
 

apps/loopover-extension/manifest.json

@@ -11,7 +11,7 @@
   },
   "content_scripts": [
     {
-      "matches": ["https://github.com/*/*/pull/*", "https://github.com/*/*/issues/*"],
+      "matches": ["https://github.com/*/*/pull/*"],
       "js": ["content.js"],
       "css": ["styles.css"],
       "run_at": "document_idle"

test/unit/extension-content.test.ts

@@ -3,9 +3,17 @@ import { Script, createContext } from "node:vm";
 import { describe, expect, it, vi } from "vitest";
 
 const contentScript = readFileSync("apps/loopover-extension/content.js", "utf8");
+const manifest = JSON.parse(readFileSync("apps/loopover-extension/manifest.json", "utf8")) as {
+  content_scripts: Array<{ matches: string[] }>;
+};
 
 describe("extension content script", () => {
-  it("detects GitHub pull request and issue routes while only mounting pull overlays", () => {
+  it("declares content-script matches for pull pages only (#7462)", () => {
+    expect(manifest.content_scripts[0]?.matches).toEqual(["https://github.com/*/*/pull/*"]);
+    expect(manifest.content_scripts[0]?.matches.join("\n")).not.toContain("issues");
+  });
+
+  it("detects GitHub pull request routes and treats issue pages as out of scope", () => {
     const internals = loadContentInternals();
 
     expect(internals.matchGitHubPageTarget("/JSONbored/loopover/pull/146")).toEqual({
@@ -14,12 +22,8 @@ describe("extension content script", () => {
       repo: "loopover",
       pullNumber: 146,
     });
-    expect(internals.matchGitHubPageTarget("/JSONbored/loopover/issues/145")).toEqual({
-      kind: "issue",
-      owner: "JSONbored",
-      repo: "loopover",
-      issueNumber: 145,
-    });
+    // Issue pages are out of scope — no kind:"issue" classification, and no match.
+    expect(internals.matchGitHubPageTarget("/JSONbored/loopover/issues/145")).toBeNull();
     expect(internals.matchGitHubPageTarget("/JSONbored/loopover/pulls")).toBeNull();
     expect(internals.matchPullRequestTarget("/JSONbored/loopover/pull/146")).toEqual({
       owner: "JSONbored",
@@ -91,7 +95,7 @@ function loadContentInternals() {
   return vmContext.__loopoverContentInternals as {
     matchGitHubPageTarget: (
       pathname: string,
-    ) => { kind: "pull_request"; owner: string; repo: string; pullNumber: number } | { kind: "issue"; owner: string; repo: string; issueNumber: number } | null;
+    ) => { kind: "pull_request"; owner: string; repo: string; pullNumber: number } | null;
     matchPullRequestTarget: (pathname: string) => { owner: string; repo: string; pullNumber: number } | null;
     renderPullContext: (payload: unknown) => string;
   };