chore: extract website to kerrshift/agentdiff-website

AGENTS.md

@@ -11,7 +11,11 @@ Instructions for AI coding agents and humans working in this repository.
   git checkout -b <type>/<short-desc>
   ```
 - **One logical change per branch, one branch per PR.** Unrelated fixes get their own branch/PR.
-- **Product and website are never mixed.** `website/` changes get their own branch/PR, separate from product code (`src/`, `tests/`, `cookbooks/`, `schema/`).
+- **This repo is product-only (Python).** The website lives in
+  [`kerrshift/agentdiff-website`](https://github.com/kerrshift/agentdiff-website) with
+  its own CI/CD (deploys agentdiff.app on merge to `main`); site changes
+  never land here. The `worker/` (token service) is product infrastructure
+  and stays here.
 - Branch naming: `feat|fix|docs|chore|test|refactor/<kebab-case-summary>` (e.g. `feat/recovery-step-ratio`, `docs/readme-faq`).
 
 ## Commits & PRs

CHANGELOG.md

@@ -5,6 +5,16 @@ All notable changes to **AgentDiff** (`agent-trajectory-diff`) are documented he
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Changed
+- **Website extracted to [`kerrshift/agentdiff-website`](https://github.com/kerrshift/agentdiff-website)**
+  (full git history preserved): this repository is now product-only Python.
+  The site owns its own CI/CD — GitHub Actions builds and deploys agentdiff.app
+  to Cloudflare Pages on every merge there. `Makefile` `website-*` targets and
+  the product/website PR-split rules are retired; the token-service `worker/`
+  remains here as product infrastructure.
+
 ## [0.5.0] - 2026-09-02
 
 AgentDiff v0.5.0 — the **Circuit Breaker** release: statistical baselines, an

CONTRIBUTING.md

@@ -11,9 +11,9 @@ sent back.
 1. **Never commit directly to `main`.** Every change lands through a branch + PR.
 2. **One change per branch, one branch per PR.** If you spot an unrelated issue,
    open a separate branch/PR — never ride it along.
-3. **Product and website don't mix.** Changes to `website/` (marketing/docs site)
-   get their own branch/PR, separate from product (`src/`, `tests/`, `cookbooks/`)
-   changes.
+3. **This repo is product-only (Python).** The website lives in
+   [`kerrshift/agentdiff-website`](https://github.com/kerrshift/agentdiff-website)
+   with its own CI/CD — site changes never land here.
 4. **Branch off the latest `main`:**
    ```bash
    git checkout main && git pull origin main

Makefile

@@ -1,4 +1,4 @@
-.PHONY: lint format test bench build website-dev website-build website-install ci all
+.PHONY: lint format test bench build ci all
 
 # ── Python ──────────────────────────────────────────────────────────────────
 
@@ -17,22 +17,12 @@ bench:
 build:
 	uv build
 
-# ── Website ──────────────────────────────────────────────────────────────────
-
-website-install:
-	cd website && pnpm install
-
-website-dev:
-	cd website && pnpm dev
-
-website-build:
-	cd website && pnpm build
-
 # ── CI / Full pipeline ────────────────────────────────────────────────────────
-# Runs everything: lint → tests → Python build → website build.
+# Runs everything: lint → tests → Python build.
 # This mirrors what GitHub Actions does on every push to main.
+# (The website lives in kerrshift/agentdiff-website with its own pipeline.)
 
-ci: lint test build website-install website-build
+ci: lint test build
 
 # Alias so `make all` does the same as `make ci`
 all: ci

README.md

@@ -199,8 +199,8 @@ make test
 # Build package distributions
 make build
 
-# Launch the website & docs locally
-make website-dev
+# Website & docs (separate repo, deploys agentdiff.app)
+# → github.com/kerrshift/agentdiff-website
 ```
 
 ## License