Scaffold Forgejo issue sync plugin

tests/attachment-policy.spec.ts

@@ -0,0 +1,45 @@
+import { describe, expect, it } from "vitest";
+import { ATTACHMENT_NOTE } from "../src/constants.js";
+import { assessAttachmentReview, buildForgejoSyncContent } from "../src/attachment-policy.js";
+import manifest from "../src/manifest.js";
+
+describe("attachment policy", () => {
+  it("appends the visible attachment note and metadata summary", () => {
+    const result = buildForgejoSyncContent("Bug report body", [
+      {
+        filename: "screenshot.png",
+        mimeType: "image/png",
+        sizeBytes: 2048,
+        sourceUrl: "https://forgejo.example/files/1",
+        sourceId: "1"
+      }
+    ]);
+
+    expect(result.markdown).toContain(ATTACHMENT_NOTE);
+    expect(result.markdown).toContain("screenshot.png | image/png | 2.0 KiB");
+    expect(result.reviewSignal.reasonCode).toBe("attachment_metadata_present");
+  });
+
+  it("marks payloads for manual review when the text depends on attachments", () => {
+    const review = assessAttachmentReview("See attached screenshot for the only repro details.", [
+      {
+        filename: "repro.png",
+        mimeType: "image/png",
+        sizeBytes: 1024,
+        sourceUrl: null,
+        sourceId: "abc"
+      }
+    ]);
+
+    expect(review.manualReviewRequired).toBe(true);
+    expect(review.reasonCode).toBe("attachments_context_required");
+  });
+
+  it("keeps managed resources out of the manifest", () => {
+    expect(manifest).not.toHaveProperty("agents");
+    expect(manifest).not.toHaveProperty("skills");
+    expect(manifest).not.toHaveProperty("routines");
+    expect(manifest.capabilities).not.toContain("agents.managed");
+    expect(manifest.capabilities).not.toContain("skills.managed");
+  });
+});