feat: Add Line plugin (#1630)

* feat: add LINE plugin (#1630) (thanks @plum-dawg)

* feat: complete LINE plugin (#1630) (thanks @plum-dawg)

* chore: drop line plugin node_modules (#1630) (thanks @plum-dawg)

* test: mock /context report in commands test (#1630) (thanks @plum-dawg)

* test: limit macOS CI workers to avoid OOM (#1630) (thanks @plum-dawg)

* test: reduce macOS CI vitest workers (#1630) (thanks @plum-dawg)

---------

Co-authored-by: Peter Steinberger <steipete@gmail.com>

src/line/reply-chunks.test.ts

@@ -0,0 +1,115 @@
+import { describe, expect, it, vi } from "vitest";
+import { sendLineReplyChunks } from "./reply-chunks.js";
+
+describe("sendLineReplyChunks", () => {
+  it("uses reply token for all chunks when possible", async () => {
+    const replyMessageLine = vi.fn(async () => ({}));
+    const pushMessageLine = vi.fn(async () => ({}));
+    const pushTextMessageWithQuickReplies = vi.fn(async () => ({}));
+    const createTextMessageWithQuickReplies = vi.fn((text: string, _quickReplies: string[]) => ({
+      type: "text" as const,
+      text,
+    }));
+
+    const result = await sendLineReplyChunks({
+      to: "line:group:1",
+      chunks: ["one", "two", "three"],
+      quickReplies: ["A", "B"],
+      replyToken: "token",
+      replyTokenUsed: false,
+      accountId: "default",
+      replyMessageLine,
+      pushMessageLine,
+      pushTextMessageWithQuickReplies,
+      createTextMessageWithQuickReplies,
+    });
+
+    expect(result.replyTokenUsed).toBe(true);
+    expect(replyMessageLine).toHaveBeenCalledTimes(1);
+    expect(createTextMessageWithQuickReplies).toHaveBeenCalledWith("three", ["A", "B"]);
+    expect(replyMessageLine).toHaveBeenCalledWith(
+      "token",
+      [
+        { type: "text", text: "one" },
+        { type: "text", text: "two" },
+        { type: "text", text: "three" },
+      ],
+      { accountId: "default" },
+    );
+    expect(pushMessageLine).not.toHaveBeenCalled();
+    expect(pushTextMessageWithQuickReplies).not.toHaveBeenCalled();
+  });
+
+  it("attaches quick replies to a single reply chunk", async () => {
+    const replyMessageLine = vi.fn(async () => ({}));
+    const pushMessageLine = vi.fn(async () => ({}));
+    const pushTextMessageWithQuickReplies = vi.fn(async () => ({}));
+    const createTextMessageWithQuickReplies = vi.fn((text: string, _quickReplies: string[]) => ({
+      type: "text" as const,
+      text,
+      quickReply: { items: [] },
+    }));
+
+    const result = await sendLineReplyChunks({
+      to: "line:user:1",
+      chunks: ["only"],
+      quickReplies: ["A"],
+      replyToken: "token",
+      replyTokenUsed: false,
+      replyMessageLine,
+      pushMessageLine,
+      pushTextMessageWithQuickReplies,
+      createTextMessageWithQuickReplies,
+    });
+
+    expect(result.replyTokenUsed).toBe(true);
+    expect(createTextMessageWithQuickReplies).toHaveBeenCalledWith("only", ["A"]);
+    expect(replyMessageLine).toHaveBeenCalledTimes(1);
+    expect(pushMessageLine).not.toHaveBeenCalled();
+    expect(pushTextMessageWithQuickReplies).not.toHaveBeenCalled();
+  });
+
+  it("replies with up to five chunks before pushing the rest", async () => {
+    const replyMessageLine = vi.fn(async () => ({}));
+    const pushMessageLine = vi.fn(async () => ({}));
+    const pushTextMessageWithQuickReplies = vi.fn(async () => ({}));
+    const createTextMessageWithQuickReplies = vi.fn((text: string, _quickReplies: string[]) => ({
+      type: "text" as const,
+      text,
+    }));
+
+    const chunks = ["1", "2", "3", "4", "5", "6", "7"];
+    const result = await sendLineReplyChunks({
+      to: "line:group:1",
+      chunks,
+      quickReplies: ["A"],
+      replyToken: "token",
+      replyTokenUsed: false,
+      replyMessageLine,
+      pushMessageLine,
+      pushTextMessageWithQuickReplies,
+      createTextMessageWithQuickReplies,
+    });
+
+    expect(result.replyTokenUsed).toBe(true);
+    expect(replyMessageLine).toHaveBeenCalledTimes(1);
+    expect(replyMessageLine).toHaveBeenCalledWith(
+      "token",
+      [
+        { type: "text", text: "1" },
+        { type: "text", text: "2" },
+        { type: "text", text: "3" },
+        { type: "text", text: "4" },
+        { type: "text", text: "5" },
+      ],
+      { accountId: undefined },
+    );
+    expect(pushMessageLine).toHaveBeenCalledTimes(1);
+    expect(pushMessageLine).toHaveBeenCalledWith("line:group:1", "6", { accountId: undefined });
+    expect(pushTextMessageWithQuickReplies).toHaveBeenCalledTimes(1);
+    expect(pushTextMessageWithQuickReplies).toHaveBeenCalledWith("line:group:1", "7", ["A"], {
+      accountId: undefined,
+    });
+    expect(createTextMessageWithQuickReplies).not.toHaveBeenCalled();
+  });
+});