Add synthetic dry-run sync regression test

tests/paperclip-issue-sync.spec.ts

@@ -1,3 +1,5 @@
+import { readFileSync } from "node:fs";
+import { resolve } from "node:path";
 import { describe, expect, it, vi } from "vitest";
 import type { Issue } from "@paperclipai/shared";
 import { ATTACHMENT_NOTE } from "../src/constants.js";
@@ -76,6 +78,11 @@ function buildIssue(overrides: Partial<Issue> = {}): Issue {
   } as Issue;
 }
 
+function readExampleIssue(name: string): Issue {
+  const filePath = resolve(import.meta.dirname, "..", "examples", name);
+  return JSON.parse(readFileSync(filePath, "utf8")) as Issue;
+}
+
 describe("paperclip issue sync", () => {
   it("selects issues by the configured sync label", () => {
     const issue = buildIssue();
@@ -325,4 +332,81 @@ describe("paperclip issue sync", () => {
     expect(retryComplete).toHaveBeenCalledOnce();
     expect(retryQueueManualReview).not.toHaveBeenCalled();
   });
+
+  it("reproduces the synthetic dry-run payload and reuses the stored mapping on retry", async () => {
+    const issue = readExampleIssue("first-dry-run-paperclip-issue.json");
+    const payload = buildForgejoIssuePayload(issue);
+    const createdRemoteIssue = {
+      id: 401,
+      number: 77,
+      url: "https://forgejo.example/acme/repo/issues/77",
+      apiUrl: "https://forgejo.example/api/v1/repos/acme/repo/issues/77"
+    };
+    const createRemoteIssue = vi.fn(async () => createdRemoteIssue);
+    const complete = vi.fn(async () => undefined);
+
+    expect(payload.title).toBe("[PRIA-DRY-1] Synthetic dry-run: reproduce outbound issue creation");
+    expect(payload.body).toContain("A controlled dry-run payload for the first Forgejo sync rehearsal.");
+    expect(payload.body).toContain(ATTACHMENT_NOTE);
+    expect(payload.body).toContain("trace.log | text/plain | 2.0 KiB");
+    expect(payload.body).toContain("<!-- paperclip-sync:company-dry-run:issue-dry-run-1 -->");
+
+    const firstResult = await syncIssueToForgejo(
+      {
+        config: { get: async () => ({ forgejoOwner: "acme", forgejoRepo: "repo" }) },
+        activity: { log: vi.fn(async () => undefined) }
+      } as never,
+      issue,
+      {
+        reserve: async () => ({ kind: "reserved" as const }),
+        createRemoteIssue,
+        recordRemote: vi.fn(async () => undefined),
+        complete,
+        fail: vi.fn(async () => undefined),
+        failAfterRemote: vi.fn(async () => undefined),
+        queueManualReview: vi.fn(async () => undefined)
+      }
+    );
+
+    const retryResult = await syncIssueToForgejo(
+      {
+        config: { get: async () => ({ forgejoOwner: "acme", forgejoRepo: "repo" }) },
+        activity: { log: vi.fn(async () => undefined) }
+      } as never,
+      issue,
+      {
+        reserve: async () => ({
+          kind: "existing" as const,
+          mapping: {
+            companyId: "company-dry-run",
+            paperclipIssueId: "issue-dry-run-1",
+            repoOwner: "acme",
+            repoName: "repo",
+            dedupeKey: "paperclip-issue:company-dry-run:issue-dry-run-1",
+            sourceTitle: payload.title,
+            sourceBody: payload.body,
+            attachmentMetadata: [],
+            manualReviewRequired: false,
+            reviewReasonCode: null,
+            forgejoIssueId: createdRemoteIssue.id,
+            forgejoIssueNumber: createdRemoteIssue.number,
+            forgejoIssueUrl: createdRemoteIssue.url,
+            forgejoApiUrl: createdRemoteIssue.apiUrl,
+            syncStatus: "synced",
+            lastError: null
+          }
+        }),
+        createRemoteIssue,
+        complete,
+        fail: vi.fn(async () => undefined),
+        failAfterRemote: vi.fn(async () => undefined),
+        queueManualReview: vi.fn(async () => undefined)
+      }
+    );
+
+    expect(firstResult).toBe("created");
+    expect(retryResult).toBe("existing");
+    expect(createRemoteIssue).toHaveBeenCalledTimes(1);
+    expect(complete).toHaveBeenCalledTimes(2);
+  });
 });