fix(adapters): preserve truncated reply fetch context

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/adapter-utils/src/server-utils.test.ts

@@ -884,6 +884,32 @@ describe("renderPaperclipWakePrompt", () => {
     expect(prompt).toContain("Replying comment:\nThis is my reply.");
   });
 
+  it("keeps reply fetch guidance when the inline original body budget is exhausted", () => {
+    const issueId = "11111111-1111-4111-8111-111111111111";
+    const replyTargetId = "22222222-2222-4222-8222-222222222222";
+    const prompt = renderPaperclipWakePrompt({
+      reason: "issue_commented",
+      issue: { id: issueId, identifier: "PAP-1581", title: "Handle a direct reply" },
+      commentWindow: { requestedCount: 1, includedCount: 1, missingCount: 0 },
+      comments: [{
+        id: "33333333-3333-4333-8333-333333333333",
+        issueId,
+        body: "This is my reply.",
+        replyToComment: {
+          id: replyTargetId,
+          body: "",
+          bodyTruncated: true,
+          author: { type: "agent", id: "agent-1" },
+        },
+      }],
+      fallbackFetchNeeded: false,
+    });
+
+    expect(prompt).toContain("Treat that earlier comment as the direct subject of this reply.");
+    expect(prompt).toContain(`GET /api/issues/${issueId}/comments/${replyTargetId}`);
+    expect(prompt).toContain("Replying comment:\nThis is my reply.");
+  });
+
   it("renders the execution workspace branch guard only on non-resumed sessions", () => {
     const payload = {
       reason: "issue_assigned",

packages/adapter-utils/src/server-utils.ts

@@ -679,6 +679,8 @@ function normalizePaperclipWakeComment(value: unknown): PaperclipWakeComment | n
   const replyToComment = parseObject(comment.replyToComment);
   const replyToAuthor = parseObject(replyToComment.author);
   const replyToBody = asString(replyToComment.body, "");
+  const replyToId = asString(replyToComment.id, "").trim() || null;
+  const replyToBodyTruncated = asBoolean(replyToComment.bodyTruncated, false);
   const body = asString(comment.body, "");
   if (!body.trim()) return null;
   return {
@@ -689,11 +691,11 @@ function normalizePaperclipWakeComment(value: unknown): PaperclipWakeComment | n
     createdAt: asString(comment.createdAt, "").trim() || null,
     authorType: asString(author.type, "").trim() || null,
     authorId: asString(author.id, "").trim() || null,
-    replyToComment: replyToBody.trim()
+    replyToComment: replyToId || replyToBody.trim() || replyToBodyTruncated
       ? {
-          id: asString(replyToComment.id, "").trim() || null,
+          id: replyToId,
           body: replyToBody,
-          bodyTruncated: asBoolean(replyToComment.bodyTruncated, false),
+          bodyTruncated: replyToBodyTruncated,
           createdAt: asString(replyToComment.createdAt, "").trim() || null,
           authorType: asString(replyToAuthor.type, "").trim() || null,
           authorId: asString(replyToAuthor.id, "").trim() || null,