AGENTS.md — Keysat workspace

Self-hosted, Bitcoin-native software licensing service running as a StartOS 0.4.x package, with four wire-compatible SDKs and a public landing/docs site.

This file holds whole-repo, every-session facts. Subsystem detail lives in scoped guides under docs/guides/ (symlinked to .claude/rules/ so Claude Code auto-loads each when you edit matching files). Before editing a subsystem, read its guide — see the index below.

Stack

Daemon: Rust 1.88, axum, sqlx + SQLite, Ed25519 signing.
Wrapper: TypeScript, @start9labs/start-sdk ^1.3.2, @vercel/ncc bundle, Node 22.
SDKs: TS (npm), Rust (crates.io), Python (PyPI), Go (proxy.golang.org).
Platform: StartOS 0.4.0.x (LXC under the hood — commands/paths reflect that, not Docker).
Payment providers: BTCPay Server (required dep); Zaprite (optional, gated by zaprite_payments).

Subsystem guides (read before editing the area)

Before editing the daemon source, read docs/guides/daemon-architecture.md.
Before editing payment / provider / merchant-profile code or migrations 0020–0022, read docs/guides/payments.md.
Before touching self-license or tier-gating code, read docs/guides/licensing-tiers.md.
Before changing the LIC1 wire format, crypto, or crosscheck fixtures, read docs/guides/crypto-wire-format.md.
Before building, bumping the version, or editing the StartOS wrapper, read docs/guides/startos-packaging.md.
Before editing the admin SPA (web/index.html), read docs/guides/admin-ui.md.
Before editing public site/docs copy, read docs/guides/website-copy.md.
Before building or changing any user-facing UI (landing, docs, admin SPA), read design/DESIGN.md and design/tokens.tokens.json and conform to them — the brand contract; pull colors/type/space/radii/shadows from the tokens, never hardcode off-scale values.
Before adding/altering tests or relying on lint/CI, read docs/guides/testing.md.

Build / test / run (quick ref)

From licensing-service-startos/: make x86 | make arm | make universal | make install | make clean | npm run check. From licensing-service-startos/licensing-service/: cargo check | cargo build --release | cargo test | cargo test --test <suite> | cargo test <name>. Details, the version-bump-before-build rule, and release scripts: docs/guides/startos-packaging.md. Test suites, the no-CI / formatting-not-enforced status, and known-failing tests: docs/guides/testing.md.

Directory layout

licensing-service-startos/        daemon + StartOS wrapper (s9pk package source)
  licensing-service/src/          Rust daemon            → guides/daemon-architecture.md
  licensing-service/migrations/   SQLite migrations (numbered, additive)
  licensing-service/web/index.html  embedded admin SPA   → guides/admin-ui.md
  licensing-service/tests/        integration suites     → guides/testing.md
  startos/                        wrapper TS             → guides/startos-packaging.md
  Dockerfile  Makefile  s9pk.mk   build pipeline
keysat-xyz-landing/ keysat-docs/ keysat-registry-landing/   public sites → guides/website-copy.md
licensing-client-{rust,ts,python,go}/  the four SDK source repos
activate-license-template/        Tauri desktop template for license activation
design/                           design contract (DESIGN.md + tokens.tokens.json) + brand/ assets; original Claude Design system archived in design/_imports/
plans/                            design specs (multi-provider-payment-model.md, keysat-smtp-emails.md)
tests/crosscheck/                 cross-language LIC1 verifier → guides/crypto-wire-format.md

Note: the daemon (licensing-service-startos, repo keysat), each SDK, and plans/ are separate git repos — commit code/plan changes in their own repo. The root Licensing repo (keysat-root) tracks only AGENTS.md + docs/guides/

.claude/rules/ + EVALUATION.md (the latest full-eval report; overwritten each run, history in git log). Remotes differ per repo: the daemon's main tracks GitHub (origin, the public upstream) with a gitea backup — plain git push goes to GitHub, so also git push gitea main; root + plans are Gitea-only. Run git remote -v (full) and check what the branch tracks before pushing.

Conventions (whole-repo)

Daemon licensed LicenseRef-Keysat-1.0 (custom, source-available); SDKs MIT.
Commits in imperative mood, body only when the "why" isn't obvious. Sign as Keysat (Grant), not Claude — git user is Keysat.
Direct push to main + run ~/.keysat/publish.sh is the authorized release flow until launch.
Never rewrite user-facing copy outside the explicit scope of a request.

Never

No AI co-authorship on commits or PRs (no "Co-Authored-By", no "Generated with…").
Don't push --no-verify or bypass hooks unless explicitly authorized.
Don't commit built artifacts (*.s9pk, keysat-*.s9pk, javascript/) or secrets — reference env-var names; real values live in ~/.keysat/filebrowser.env and /data/keysat-license.txt outside the repo.

Memory references

Operator-specific memories at ~/.claude/projects/-Users-macpro-Projects-keysat/memory/ (scan before a major change): keysat_release_workflow.md, no_unauthorized_copy_changes.md, keysat_admin_ui_pill_convention.md, startos_lxc.md, startos_registry_icon_unrenderable.md, keysat_open_threads.md.

Open TODOs

riscv build target is unverified and not declared in the manifest (so make universal excludes it); revisit only if a riscv StartOS target appears.
StartOS Community Registry submission criteria — Start9 hasn't published the checklist; reach out directly when ready.
Registry icon doesn't render in the StartOS marketplace (see guides/startos-packaging.md).
Split audit:read out of the blanket :read scope into its own tier so a Read-only scoped key can read dashboards/licenses but NOT the full audit log (api/api_keys.rs::Role::grants). Deferred from the scoped-keys session.
Operator action (manual; needs the master admin key — a read-only key can't write): grant unlimited_merchant_profiles to the Pro and Patron tiers on the live master. Confirmed 2026-06-16 against licensing.keysat.xyz that the slug is absent from all three keysat policies (Creator/Pro/Patron), from the master's own Patron self-license, and from the product entitlements_catalog. Steps: add the slug to the keysat product entitlements_catalog, then to the Pro + Patron policy entitlements (admin UI), then re-issue the master self-license so it takes effect.

Current state (2026-06-16)

Live: registry registry.keysat.xyz publishes 0.2.0:55 — universal multi-arch, GitHub release v0.2.0-55, canonical s9pk at files.keysat.xyz/keysat.s9pk. Migrations 0020–0022; four SDKs published; keysat.xyz + docs.keysat.xyz deployed. Live server immense-voyage.local still runs :54 until updated from the registry. This session's work is committed + pushed to main but UNRELEASED — no :56 cut, not built. (:55 shipped scoped keys, the settle-amount tripwire, and all 4 StartOS submission blockers — see git log.)
Shipped this session (daemon b088bfc, pushed origin+gitea; unreleased) — product→merchant-profile write path, closing the multi-profile GAP. Product.merchant_profile_id + all 4 product SELECTs + row_to_product; new repo::set_product_merchant_profile (validates profile exists → 404, not FK 500); threaded through CreateProductReq (post-write) + UpdateProductReq (double-Option, Some(None) clears to default); admin SPA profile <select> shown only when >1 profile. Mirrors the entitlements-catalog post-write pattern. Reviewer pass: approved, no blockers. Multi-profile is now functional end-to-end (resolver was already complete; only the write path was missing). See docs/guides/payments.md.
Work queue (next, in order):
1. 3 remaining multi-profile UIs (rail picker, per-profile SMTP, rail-pref editor). (unlimited_merchant_profiles for Pro/Patron is now an operator TODO above.)
2. Cut :56 to ship this session's write path to the registry (bump manifest → make universal → publish.sh) — bundle with the UIs above if landing soon.
3. Deferred (now in Open TODOs): split audit:read out of the blanket :read scope into its own tier.
Discovered this session (P2, unfixed): set_product_entitlements_catalog has no rows_affected guard — a bad product-id silently 200s with stale data (latent since migration 0014; the new profile writer guards this correctly). One-line fix, deferred pending the user's call.
Known debt (P2 — schedule, not urgent): no rate-limit on /v1/purchase + /v1/redeem; rate-limit bucket keys on spoofable X-Forwarded-For (bypass conditional on whether the StartOS proxy rewrites XFF — unverified); 422/415 errors return plain-text not JSON (breaks SDK JSON.parse); product slug has no validation (empty/300-char/meta chars stored); GET /v1/admin/products returns 405 though OpenAPI documents it; dep advisories (sqlx→≥0.8.1 RUSTSEC-2024-0363, rustls-webpki→≥0.103.12); no CI + fmt/clippy/prettier unenforced. (The 4 StartOS submission blockers are resolved and shipped in :55.)
Deferred (P3+ — bulk or later decision): /v1/purchase 400 vs /v1/btcpay/webhook 503 for the same no-provider cause; undocumented required kind on discount-codes; field-naming drift (license_id/id, machines key vs license_key, redeem/purchase product vs validate product_slug); migration self-heal _sqlx_migrations allowlist foot-gun; 2 KB unauth Zaprite payload WARN-log; outbound-webhook SSRF (operator-only); re-register the master Zaprite webhook at the path-keyed URL; registry icon non-render (known platform limit); optional fmt/prettier standalone commit.
Tests/build: cargo check clean (1 intentional deprecation warning); full suite green — api 54 (incl. new settle-tripwire + scoped-key role-boundary tests), subscriptions 7, upgrades 9, worker 3, crosscheck 4, migrations 9. No new clippy warnings. FK enforcement confirmed — sqlx pool sets foreign_keys(true) per connection (db/mod.rs). CI/fmt status is in Known debt.

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