What has changed

All notable changes to this project will be documented in this file. The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

[Unreleased]

Added

• —**agent-stack v0.3.1 installed.** Full stack active: rtk (v0.42.0), code-review-graph MCP, graphify, caveman, claude-handoff, gbrain (v0.42.1.0); 5 skills (max profile); Stop hook wires ccusage token logging to `.agent-stack/usage.jsonl`; AGENTS.md updated with tool coordinator; `.mcp.json`, `ARCHITECTURE_MAP.md`, `COMMON_MISTAKES.md`, `skills-lock.json`, `.claudeignore` generated.

• —**Brand logo + Google-compliant favicon set + GTM (`GTM-MH2CL2DJ`).** `apps/web/public/` now ships `logo-brass.png` (master, transparent) plus a Google-spec favicon set generated by `scripts/generate_favicons.py`: `favicon.ico` (16/32/48), `favicon-{48,96,192,512}x{...}.png` (all square 1:1, multiples of 48), `apple-touch-icon.png` (180x180, brand-tinted opaque background), and `site.webmanifest` (PWA, `theme_color #015185`). Both `apps/web/src/layouts/BaseLayout.astro` and `apps/web/src/layouts/marketing/BaseLayout.astro` add the full `` block, ``, and the Google Tag Manager snippet (head `