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feat: add persistent cron-based recurring reminders

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Replace in-memory-only setTimeout scheduling with a DB-backed system
that survives broker restarts. Adds:

- `scheduled_message` table in mesh schema (Drizzle + raw CREATE TABLE
  for zero-downtime deploys)
- Minimal 5-field cron parser (no dependencies) with next-fire-time
  calculation for recurring entries
- On broker boot, all non-cancelled entries are loaded from PostgreSQL
  and timers re-armed automatically
- CLI `schedule_reminder` MCP tool accepts optional `cron` expression
- CLI `remind` command accepts `--cron` flag
- One-shot reminders remain backward compatible — no cron field = same
  behavior as before

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Alejandro Gutiérrez
2026-04-07 23:33:47 +01:00
parent 58ba01f20f
commit e87380775f
6 changed files with 332 additions and 39 deletions
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22
apps/cli/src/commands/remind.ts
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@@ -12,6 +12,7 @@ export interface RemindFlags {
mesh?: string;
in?: string; // e.g. "2h", "30m", "90s"
at?: string; // ISO or HH:MM
cron?: string; // 5-field cron expression for recurring
to?: string; // default: self
json?: boolean;
}
@@ -88,19 +89,21 @@ export async function runRemind(
return;
}
// claudemesh remind <message> --in <duration> | --at <time>
// claudemesh remind <message> --in <duration> | --at <time> | --cron <expr>
const message = action ?? positional.join(" ");
if (!message) {
console.error("Usage: claudemesh remind <message> --in <duration>");
console.error(" claudemesh remind <message> --at <time>");
console.error(' claudemesh remind <message> --cron "0 */2 * * *"');
console.error(" claudemesh remind list");
console.error(" claudemesh remind cancel <id>");
process.exit(1);
}
const deliverAt = parseDeliverAt(flags);
if (deliverAt === null) {
console.error('Specify when: --in <duration> (e.g. "2h", "30m") or --at <time> (e.g. "15:00")');
const isCron = !!flags.cron;
const deliverAt = isCron ? 0 : parseDeliverAt(flags);
if (!isCron && deliverAt === null) {
console.error('Specify when: --in <duration> (e.g. "2h", "30m"), --at <time> (e.g. "15:00"), or --cron <expression>');
process.exit(1);
}
@@ -123,12 +126,17 @@ export async function runRemind(
targetSpec = client.getSessionPubkey() ?? "*";
}
const result = await client.scheduleMessage(targetSpec, message, deliverAt);
const result = await client.scheduleMessage(targetSpec, message, deliverAt ?? 0, false, flags.cron);
if (!result) { console.error("✗ Broker did not acknowledge — check connection"); process.exit(1); }
if (flags.json) { console.log(JSON.stringify(result)); return; }
const when = new Date(result.deliverAt).toLocaleString();
const toLabel = !flags.to || flags.to === "self" ? "yourself" : flags.to;
console.log(`✓ Reminder set (${result.scheduledId.slice(0, 8)}): "${message}" → ${toLabel} at ${when}`);
if (isCron) {
const nextFire = new Date(result.deliverAt).toLocaleString();
console.log(`✓ Recurring reminder set (${result.scheduledId.slice(0, 8)}): "${message}" → ${toLabel} — cron: ${flags.cron}, next fire: ${nextFire}`);
} else {
const when = new Date(result.deliverAt).toLocaleString();
console.log(`✓ Reminder set (${result.scheduledId.slice(0, 8)}): "${message}" → ${toLabel} at ${when}`);
}
});
}