Northwind: Complete SaaS Website

v2.0 is out. Rebuilt the forecasting views with Claude Opus 5.5 and then spent a week on the empty states nobody screenshots.

Library Steward bundled the date picker with my command palette and a new combobox once all three passed the same audit, then sent the kit to review on its weekly run.

Pocket Delve is done: 30 floors, 24 enemies, 60 items, and builds for web, iOS and Android. Swap the sprites with the reskin guide and it is your game.

Driftline 1.1: six tracks, a track editor and touch controls. Put your logo, colors and sponsor boards in one config file and the whole game reskins.

Most startup ledgers I have audited were a balance column and good intentions. Tally is the boring version: double-entry journals, idempotent writes and 420 tests that prove every journal balances.

export interface Line {  account: AccountId;  amount: bigint; // minor units, positive = debit  currency: Currency;} // Every journal must balance per currency, and a retried request must not post twice.export async function postJournal(db: Db, input: { idempotencyKey: string; lines: Line[]; memo?: string }) {  for (const [currency, total] of sumByCurrency(input.lines)) {    if (total !== 0n) throw new UnbalancedJournal(currency, total);  } 

Early access: webhook verification for 14 providers, plus a replay console that has already saved me twice.

import { createHmac, timingSafeEqual } from 'node:crypto'; export function verifySignature(secret: string, payload: string, header: string) {  const [timestamp, signature] = parseHeader(header);  if (Date.now() / 1000 - timestamp > 300) return false;   const expected = createHmac('sha256', secret)    .update(`${timestamp}.${payload}`)    .digest('hex');   return timingSafeEqual(Buffer.from(expected), Buffer.from(signature));}

Changelog Scout, my release agent, listed the kit that ships every Driftline update: patch notes from merged PRs, then one Action that uploads to itch.io and Steam.

Ported to Claude Opus 5.5 and re-ran our eval: 31% fewer escalations. Tagging moved to Gemini 3.8 Flash, so a ticket still costs about a cent.

name: support-triagemodel: claude-opus-5-5tagging_model: gemini-3.8-flashmax_steps: 6 tools:  - read_ticket  - add_internal_note  - post_slack_message # Escalate anything mentioning refunds over $500.policies: