feat: Discord bot for bidirectional agent communication

package.json

@@ -11,9 +11,11 @@
     "README.md"
   ],
   "scripts": {
-    "build": "tsup src/cli.ts --format esm --out-dir dist --target node20 --clean",
+    "build": "tsup src/cli.ts src/discord-bot-cli.ts --format esm --out-dir dist --target node20 --clean",
     "local": "npm run build && node dist/cli.js",
     "dev": "tsx src/cli.ts",
+    "discord-bot": "tsx src/discord-bot-cli.ts",
+    "discord-bot:build": "npm run build && node dist/discord-bot-cli.js",
     "typecheck": "tsc --noEmit",
     "test": "vitest run",
     "test:e2e": "bash scripts/docker-e2e-test.sh",
@@ -34,6 +36,7 @@
   },
   "dependencies": {
     "@clack/prompts": "^1.1.0",
+    "discord.js": "^14.25.1",
     "ws": "^8.19.0"
   },
   "devDependencies": {

src/__tests__/discord-bot.test.ts

@@ -0,0 +1,35 @@
+import { describe, it, expect } from "vitest";
+import { splitMessage } from "../discord-bot.js";
+
+describe("splitMessage", () => {
+  it("returns single chunk when text fits", () => {
+    const result = splitMessage("hello world", 2000);
+    expect(result).toEqual(["hello world"]);
+  });
+
+  it("splits at newline boundary when possible", () => {
+    const line = "a".repeat(90);
+    const text = `${line}\n${line}\n${line}`;
+    const result = splitMessage(text, 200);
+    expect(result.length).toBeGreaterThan(1);
+    // Each chunk should be within limit
+    for (const chunk of result) {
+      expect(chunk.length).toBeLessThanOrEqual(200);
+    }
+    // Concatenated chunks should equal original (minus stripped newlines)
+    expect(result.join("\n")).toBe(text);
+  });
+
+  it("hard-splits when no newline is found", () => {
+    const text = "a".repeat(500);
+    const result = splitMessage(text, 200);
+    expect(result.length).toBe(3);
+    expect(result[0].length).toBe(200);
+    expect(result[1].length).toBe(200);
+    expect(result[2].length).toBe(100);
+  });
+
+  it("handles empty string", () => {
+    expect(splitMessage("", 100)).toEqual([""]);
+  });
+});