fix(entity): the tenant comes from the actor, not from the caller

.claude/commands/feature.md

@@ -105,7 +105,7 @@ There is no `test:changed`-style command here, and there should not be: a comman
 
    Then `claudetm merge-pr <pr>` — it waits for CI, fixes failures, addresses review comments (CodeRabbit included) and merges when green. It operates on the **current directory**, so at most one PR is in flight: parallel *building* is fine, parallel *merging* is not. **When every check already passes, prefer `gh pr merge --squash`** — `claudetm` can hang on an already-green PR. Gotcha: **0 registered checks reads as "pass"** — wait until the count is plausible *and* nothing is pending, or you merge RED right after a rebase.
 
-10. **Release + close.** Nothing deploys — this is a framework. `wiki.yml` syncs `wiki/` on merge, so confirm it ran if you touched the wiki. An npm release is deliberate and only when asked or when the change is user-facing and complete: publishing goes through **OIDC trusted publishing**, no `NPM_TOKEN` — follow [`PUBLISHING.md`](../../PUBLISHING.md), then confirm the published version matches. Otherwise say so and stop at merged. Verify each `Fixes #NNN` actually closed, and close any straggler with a link to the merged PR.
+10. **Release + close.** Nothing deploys — this is a framework. `wiki.yml` syncs `wiki/` on merge, so confirm it ran if you touched the wiki. An npm release is deliberate and only when asked or when the change is user-facing and complete: publishing goes through **OIDC trusted publishing** — follow [`PUBLISHING.md`](../../PUBLISHING.md), then confirm the published version matches. Otherwise say so and stop at merged. Verify each `Fixes #NNN` actually closed, and close any straggler with a link to the merged PR.
 
 ## Hard rules (from CLAUDE.md — non-negotiable)
 

.github/workflows/release.yml

@@ -1,6 +1,6 @@
 name: release
 
-# Publishes every @ultimat3 package to npm using OIDC trusted publishing — no NPM_TOKEN secret.
+# Publishes every @ultimat3 package to npm using OIDC trusted publishing.
 # npm mints a short-lived token from the GitHub Actions id-token and verifies it against the
 # trusted publisher configured for each package on npmjs.com. Provenance is automatic.
 #

CLAUDE.md

@@ -15,7 +15,7 @@ CLI binary: `x`. npm scope: `@ultimat3`. Import paths: `@ultimat3/<pkg>`.
 **Status:** 1.2.0, `As of 2026-08`. 28 `@ultimat3/*` packages plus the unscoped `create-ultimate` —
 29 in all — on npm in lockstep: one version, one commit, one tag. 1.1.0 was the first
 release published by [`.github/workflows/release.yml`](.github/workflows/release.yml) over OIDC
-trusted publishing, no `NPM_TOKEN`, provenance attached; 1.0.0 was the manual bootstrap. Semver
+trusted publishing, provenance attached; 1.0.0 was the manual bootstrap. Semver
 applies — a breaking change to a documented API needs a major, and the eight primitive shapes, the
 `x` CLI surface and the tier table are as stable as the `X_*` codes already were.
 
@@ -52,6 +52,10 @@ Milestone detail: [`docs/idea/14-roadmap.md`](docs/idea/14-roadmap.md).
 5. **One command means shippable.** `x verify` is the contract.
 6. **Static path never pays for the app path.** Separate bundle graphs, hard boundaries.
 7. **Deploy anywhere = containers only.** Zero platform primitives in the framework.
+8. **Ultimate ships mechanism; your app ships convention.** Mechanisms and *structural* conventions
+   ship — the same for a bank and a blog. *Business* conventions never do. Primitives are functions
+   returning values, so an app encodes its own by wrapping one: no fork, no patch, no plugin API.
+   [`docs/idea/19-mechanism-not-convention.md`](docs/idea/19-mechanism-not-convention.md).
 
 ## Commands
 
@@ -167,7 +171,7 @@ Everything in the framework is one of these. **If a feature doesn't fit one of t
 
 ## CI
 
-Free GitHub Actions runners (`ubuntu-latest`) — never a paid runner. `ci.yml` runs three jobs, each answering a question no other job answers: `verify` (the gate, `x verify` verbatim — lint, typecheck, boundaries and every suite are its steps, never a second job), `reference-app-verify` (the app gate, on its ratchet) and `scaffold-smoke` (`x new` → `bun install` → `x verify` outside the checkout). Target under 5 minutes. Every job starts with `./.github/actions/setup` — bun, the install cache, a frozen install. Releases publish to npm via **OIDC trusted publishing**, no `NPM_TOKEN` — see [`PUBLISHING.md`](PUBLISHING.md).
+Free GitHub Actions runners (`ubuntu-latest`) — never a paid runner. `ci.yml` runs three jobs, each answering a question no other job answers: `verify` (the gate, `x verify` verbatim — lint, typecheck, boundaries and every suite are its steps, never a second job), `reference-app-verify` (the app gate, on its ratchet) and `scaffold-smoke` (`x new` → `bun install` → `x verify` outside the checkout). Target under 5 minutes. Every job starts with `./.github/actions/setup` — bun, the install cache, a frozen install. Releases publish to npm via **OIDC trusted publishing**, with provenance — see [`PUBLISHING.md`](PUBLISHING.md).
 
 ## Note
 

PUBLISHING.md

@@ -4,7 +4,7 @@ Every framework package publishes to npm under the **`@ultimat3`** scope. `creat
 unscoped, because `bunx create-ultimate myapp` is the first command a user ever runs.
 
 Releases use **OIDC trusted publishing** from GitHub Actions
-([`.github/workflows/release.yml`](.github/workflows/release.yml)) — no `NPM_TOKEN` secret. npm
+([`.github/workflows/release.yml`](.github/workflows/release.yml)). npm
 mints a short-lived token from the run's OIDC identity and attaches a provenance attestation
 automatically.
 

README.md

@@ -13,7 +13,7 @@
 
 </div>
 
-> **Status: 1.1.0**, `As of 2026-08`. 27 `@ultimat3/*` packages plus the unscoped `create-ultimate` — 28 in all — on npm in lockstep: one version, one commit, one tag. 1.1.0 is the **first release published by the workflow**, over OIDC trusted publishing with no `NPM_TOKEN` and provenance attached; 1.0.0 was the manual bootstrap. Semver applies — a breaking change to a documented API needs a major. That is what the version number means: a stable API under semver, not a promise about your infrastructure.
+> **Status: 1.2.0**, `As of 2026-08`. 28 `@ultimat3/*` packages plus the unscoped `create-ultimate` — 29 in all — on npm in lockstep: one version, one commit, one tag. 1.1.0 was the **first release published by the workflow**, over OIDC trusted publishing with provenance attached; 1.0.0 was the manual bootstrap. Semver applies — a breaking change to a documented API needs a major. That is what the version number means: a stable API under semver, not a promise about your infrastructure.
 
 **Measured, and only this much:**
 

docs/idea/00-thesis.md

@@ -48,6 +48,8 @@ The rule that keeps this from becoming an abstraction tower: **a wrapper must de
 
 Reinventing is reserved for where the wrap would leak the thing being avoided: there is no ORM, because an ORM's abstraction is exactly the thing that has to be understood to debug it.
 
+Which layer owns a given decision is [axiom 8](#design-axioms): Ultimate ships mechanism, your app ships convention. The mechanism / structural-convention / business-convention split, the worked decisions, and why the third row of that table needs no plugin API are in [`19-mechanism-not-convention.md`](./19-mechanism-not-convention.md).
+
 ## Pre-MVP to planet-scale, without a rewrite
 
 The same app code runs on one PaaS dyno and on a distributed cluster. Climbing is a driver swap and configuration — never a re-architecture. That is the promise the whole design is arranged around, and the rungs, seams and honest incompatibilities are in [`17-scale-ladder.md`](./17-scale-ladder.md).
@@ -72,8 +74,9 @@ Non-negotiable. Every package, doc, and generated file honours these.
 | 5 | **One command means shippable.** | `x verify` green = deployable. No tribal checklist, no "also run the e2e suite on staging". |
 | 6 | **Static path never pays for the app path.** | Separate bundle graphs; `site/` cannot import `app/`. 0kb JS baseline on marketing is structural, not aspirational. |
 | 7 | **Deploy anywhere = containers only.** | Zero platform primitives. No edge functions, no vendor KV, no proprietary image loader. If it needs a specific host, it isn't in the framework. |
+| 8 | **Ultimate ships mechanism; your app ships convention.** | Mechanisms ship, and so do *structural* conventions — file naming, the four surfaces, the tier order, one catalog per locale — because they are the same for a bank and a blog. *Business* conventions never ship: tenancy is a mechanism, an org model is somebody's business. Primitives are functions returning values, so an app encodes its own by wrapping one — no fork, no monkey-patch, no plugin API. |
 
-See [`02-primitives.md`](./02-primitives.md) for how axiom 2 is implemented and [`10-testing.md`](./10-testing.md) for axiom 5's contents.
+See [`02-primitives.md`](./02-primitives.md) for how axiom 2 is implemented, [`10-testing.md`](./10-testing.md) for axiom 5's contents, and [`19-mechanism-not-convention.md`](./19-mechanism-not-convention.md) for axiom 8's test and its worked decisions.
 
 ## Explicit exclusions