fix: don't bleed top-level interval/prompt into heartbeat task parsing

src/auto-reply/heartbeat.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest";
 import {
   DEFAULT_HEARTBEAT_ACK_MAX_CHARS,
   isHeartbeatContentEffectivelyEmpty,
+  parseHeartbeatTasks,
   stripHeartbeatToken,
 } from "./heartbeat.js";
 import { HEARTBEAT_TOKEN } from "./tokens.js";
@@ -25,6 +26,22 @@ describe("stripHeartbeatToken", () => {
     });
   });
 
+  it("does not bleed top-level interval/prompt fields into task parsing", () => {
+    const content = `
+    tasks:- name: email-check
+    interval: 30m
+    prompt: Check for urgent emails
+interval: should-not-bleed
+`;
+    expect(parseHeartbeatTasks(content)).toEqual([
+      {
+        name: "email-check",
+        interval: "30m",
+        prompt: "Check for urgent emails",
+      },
+    ]);
+  });
+
   it("drops heartbeats with small junk in heartbeat mode", () => {
     expect(stripHeartbeatToken("HEARTBEAT_OK 🦞", { mode: "heartbeat" })).toEqual({
       shouldSkip: true,

src/auto-reply/heartbeat.ts

@@ -249,12 +249,18 @@ export function parseHeartbeatTasks(content: string): HeartbeatTask[] {
         }
 
         // Check for task fields BEFORE checking for end of block
-        if (nextTrimmed.startsWith("interval:")) {
+        if (
+          nextTrimmed.startsWith("interval:") &&
+          (nextLine.startsWith(" ") || nextLine.startsWith("\t"))
+        ) {
           interval = nextTrimmed
             .replace("interval:", "")
             .trim()
             .replace(/^["']|["']$/g, "");
-        } else if (nextTrimmed.startsWith("prompt:")) {
+        } else if (
+          nextTrimmed.startsWith("prompt:") &&
+          (nextLine.startsWith(" ") || nextLine.startsWith("\t"))
+        ) {
           prompt = nextTrimmed
             .replace("prompt:", "")
             .trim()