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docs: sept affirmations sur NextGraph requalifiées à la source

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Lot F de la revue adverse. Chaque affirmation relue dans `nextgraph-rs` par symbole avant
d'être réécrite ; aucune ne s'est révélée exacte.

- `AddLink` / `RemoveLink` / `RepoLinkV0` étaient présentés comme **implémentés**. Leurs
  arms de vérificateur sont des `Ok(())`, là où celui d'`AddRepo` fait un vrai travail, et
  rien ne les construit. Le tableau dit désormais « déclaré, stubbé », et la conclusion qui
  en déduisait « le registre existe, seule la livraison manque » est corrigée : **les deux
  bouts** sont déclarés-et-stubbés.
- La table `inboxes` était dite « reconstruite vide à chaque session » — elle est
  repeuplée au chargement, et la clé privée d'inbox est persistée par repo. L'argument de
  sécurité qui s'appuyait dessus repose maintenant sur le bon motif : la table est **par
  vérificateur**, pas éphémère.
- La citation de « `doc_create` laisse `inbox: None` » pointait un constructeur réservé aux
  tests ; re-ciblée sur le chemin de production.
- `ExtObjectGet` était dit « le seul » primitif accessible à un non-membre et exigeant les
  clés : il y en a trois, et sa structure n'a aucun champ de clé.
- L'en-tête de `public-store.ts` était marqué **VERIFIED** alors qu'il repose sur un
  commentaire de doc, et la condition qu'il citait (« si les brokers pairs l'autorisent »)
  disparaissait de la conclusion. Requalifié en **pari**, condition rétablie.
- Deux sur-restrictions corrigées (ce qu'écrit le traitement d'un `ContactDetails`, et le
  prétendu « miroir 1:1 » de `NuriV0`, qui a dix champs).

**Sur la grammaire du ReadCap, une correction de MA correction.** J'avais écrit que la
forme `{target}:r:{cap}` était notre invention. Faux : le segment `r:` et son encodage sont
ceux d'amont, et l'auteur de NextGraph l'a énoncé. Ce qui est établi est plus étroit —
aucun parseur amont n'accepte aujourd'hui un NURI de repo qui le porte, et le segment est
produit comme valeur de champ. J'avais conclu d'une implémentation absente à ce que la
cible ferait, ce que la doctrine du projet interdit nommément. Seule « P1b remplace la
valeur, pas la forme » est corrigée, requalifiée en **pari**.

**Et la surface ne publie plus de type que personne n'utilise.** `export * from
"./model/types"` publiait huit types en bloc ; c'est une liste nommée de six. `ReadCap`
sort — aucune signature publiée ne le prend ni ne le rend, seules deux fonctions privées
de `inbox.ts` s'en servent — et `InboxScope` aussi. Un type n'est publié que si une
signature publiée l'utilise.

197 tests, 0 échec ; les trois typechecks propres ; `lint` sans erreur.
This commit is contained in:
Sylvain Duchesne
2026-08-10 12:09:20 +02:00
parent 0d9e2bbe97
commit f378c71739
13 changed files with 183 additions and 67 deletions
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docs/internal-contract.md
+8 -8
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@@ -24,21 +24,21 @@ Builds the published `ng` Proxy (consumed once, `index.ts:61`): forwards every p
- **Defect — the `login` arm fabricates a member (see Findings F1).** `@ng-org/web` has no `login`: none among the exports of `index.d.ts` (re-verified), and no `fn login` in `sdk/js/lib-wasm/src/lib.rs`. The proxy nevertheless returns a function for `prop === "login"` (`ng-proxy.ts:16-22`), so `typeof ng.login === "function"` on the wrapper while the real SDK yields `undefined` — the one place the proxy adds a member, contradicting its own header and the surface contract's "adds no member and removes none" (§ 3). Calling it throws at runtime (`ng[prop]` is undefined). **ASSUMPTION with no provenance** — no target layer names a `login`.
- Disappears at migration (the whole module).
## 2. NURI internals — the unexported slice of `nuri.ts`
## 2. NURI internals — the unexported slice of `nuri.ts`, plus the minting point
```ts
// nuri.ts:73
// model/nuri.ts
export function targetOf(nuri: Nuri): Nuri;
// nuri.ts:82
export function parseNuri(nuri: Nuri): { target: Nuri; readCap?: ReadCap };
// nuri.ts:116
// emulated-verifier/caps.ts — NOT `model/nuri.ts`; it moved when the source layout was
// reorganised by migration fate, and this block said `nuri.ts` until 2026-08-10.
export function mintCap(nuri: Nuri): ReadCap;
```
`targetOf` strips a `:r:` cap segment to the naming form; `parseNuri` is the parsed pair; `mintCap` builds the cap-bearing form with the stand-in value `OK`. Kept off the surface deliberately: nothing published turns a bare reference into a cap.
`targetOf` strips a `:r:` cap segment to the naming form; `parseNuri` is the parsed pair; `mintCap` builds the cap-bearing form with the stand-in value `OK` (`STAND_IN_CAP`). Kept off the surface deliberately: nothing published turns a bare reference into a cap.
- `targetOf` / `parseNuri` — **LEVEL-1 SHAPE, model VERIFIED**: a 1:1 mirror of upstream's one-type-with-optional-access NURI. The ReadCap encoding they discriminate on is `r:{base64url(serde_bare(ObjectRef))}` (`BlockRef::readcap_nuri`, `engine/repo/src/types.rs:518-521`), distinct from the `:k:` object/commit forms (`object_nuri`/`commit_nuri`, `types.rs:510-514`). No JS surface parses NURIs at level 2 or 3 — the real SDK takes plain strings — so these helpers never surface in signatures and survive only as internals.
- `mintCap` — **NO COUNTERPART as an operation, and that is the point**: upstream a ReadCap is produced by the engine when a repo is created, never derived from a bare reference by a caller. `mintCap` exists solely because the emulation needs a cap VALUE at creation time and P1b has not yet supplied real key material; the constant `OK` pretends nothing (`nuri.ts:87-103`). It has exactly two call sites (`shared-wallet/account-registry.ts` `createEntityDoc`; `emulated-verifier/caps.ts` internals) — the minting points of the emulation. At P1b the constant becomes a real key; at migration the function is deleted (the engine mints).
- `targetOf` / `parseNuri` — **LEVEL-1 SHAPE, model VERIFIED**: they transcribe upstream's one-type-with-optional-access NURI, on the **two** fields this library uses. Not a "1:1 mirror" of `NuriV0`, as this line claimed until 2026-08-10: that type has TEN fields — `identity, target, entire_store, objects, signature, branch, overlay, access, topic, locator` (`engine/net/src/app_protocol.rs:181-194`) — of which `parseNuri` carries `target` and the cap half of `access`. The other eight have no counterpart here (the missing `locator` is a stated gap, `docs/readcap-and-nuri-model.md` § 4sexies). The ReadCap encoding they discriminate on is `r:{base64url(serde_bare(ObjectRef))}` (`BlockRef::readcap_nuri`, `engine/repo/src/types.rs:518-521`), distinct from the `:k:` object/commit forms (`object_nuri`/`commit_nuri`, `types.rs:510-514`). No JS surface parses NURIs at level 2 or 3 — the real SDK takes plain strings — so these helpers never surface in signatures and survive only as internals.
- `mintCap` — **NO COUNTERPART as an operation, and that is the point**: upstream a ReadCap is produced by the engine when a repo is created, never derived from a bare reference by a caller. `mintCap` exists solely because the emulation needs a cap VALUE at creation time and P1b has not yet supplied real key material; the constant `OK` pretends nothing (`STAND_IN_CAP`, `emulated-verifier/caps.ts`). It has exactly two call sites (`shared-wallet/account-registry.ts` `createEntityDoc`; `emulated-verifier/caps.ts` internals) — the minting points of the emulation. At P1b the constant becomes a real key; at migration the function is deleted (the engine mints).
## 3. The reach boundary — `emulated-verifier/reach.ts`
@@ -266,6 +266,6 @@ export function inspectOutbox(): void;
Fully internal modules: `shared-wallet/access-log.ts` (`AccessOp`, `setAccessLog`, `enabled`, `activeIdentity`, `accessLogPrefix`, `logStage`, `shortNuri`, `logAccess`); `emulated-verifier/machinery.ts` (`MACHINERY_NS`, `isMachinerySubject`); `surface/ng-proxy.ts` (`makeNg`); `emulated-verifier/open-repo.ts` (`SyncState`, `setOpenTimeoutForTests`, `resetOpenedRepos`, `getSyncState`, `ensureRepoOpen`, `ensurePhysicalRepoOpen`, `ensureReposOpen`); `shared-wallet/outbox-log.ts` (`inspectOutbox`); `shared-wallet/physical.ts` (`physicalCreate`, `physicalQuery`, `physicalUpdate`); `emulated-verifier/reach.ts` (`declareInfrastructure`, `isInfrastructure`, `resetInfrastructure`, `mayReach`, `assertMayReach`, `mustNotAttempt`); `emulated-verifier/read-filter.ts` (`filterReadable`, `makeReadFilteredView`).
Internal slices of partially-published modules: `nuri.ts` (`targetOf`, `parseNuri`, `mintCap`); `emulated-verifier/connect.ts` (`startConnect`); `subscribe.ts` (`subscribePhysicalDoc`); `shared-wallet/account-registry.ts` (`reservedAccount`, `resetRegistryCache`, `resolveAccount`, `ensureAccount`, `userStoreDoc`, `isOwnInbox`, `myInboxes`, `addLink`, `readLinks`).
Internal slices of partially-published modules: `model/nuri.ts` (`targetOf`, `parseNuri`) and `emulated-verifier/caps.ts` (`mintCap`); `emulated-verifier/connect.ts` (`startConnect`); `subscribe.ts` (`subscribePhysicalDoc`); `shared-wallet/account-registry.ts` (`reservedAccount`, `resetRegistryCache`, `resolveAccount`, `ensureAccount`, `userStoreDoc`, `isOwnInbox`, `myInboxes`, `addLink`, `readLinks`).
Modules with no internal exports (everything they export is published): `types.ts`, `docs.ts`, `inbox.ts`, `surface/read-model.ts`, `shared-wallet/virtualUsers.ts`, `emulated-verifier/caps.ts`, `sparql.ts`, `lifecycle.ts`, `surface/use-shape.ts`, `surface/watch-shape.ts`, `surface/placement.ts`, and the entry point.