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6 changes: 3 additions & 3 deletions CLAUDE.md
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> **Migration plan**: see [`LIFT_HTTP4S_MIGRATION.md`](LIFT_HTTP4S_MIGRATION.md) for the full in-place Lift → http4s strategy, file order, auth stack workstream, and progress tracker.

The goal is a full http4s migration — replace Lift Web across all version files and remove it entirely. **API versions are tech-agnostic**: a version bump means a changed/new API signature, never a framework change. Framework migration happens in-place inside the existing version file. v7.0.0 currently serves 45 endpoints; most arrived there for historical reasons and stay as-is.
The goal is a full http4s migration — replace Lift Web across all version files and remove it entirely. **API versions are tech-agnostic**: a version bump means a changed/new API signature, never a framework change. Framework migration happens in-place inside the existing version file. v7.0.0 currently serves 46 endpoints; most arrived there for historical reasons and stay as-is.

**Request priority chain** (`Http4sApp.baseServices`): `corsHandler` (OPTIONS short-circuit) → `AppsPage` → `StatusPage` → `Http4sResourceDocs` → v510 → v600 → v500 → v700 → Berlin Group v2 → UK v2.0 → UK v3.1 → Berlin Group v1.3 (+Alias) → v400 → v310 → v300 → v220 → v210 → v200 → v140 → v130 → v121 → `dynamicEntityRoutes` → `dynamicEndpointRoutes` → DirectLogin → OpenIdConnect → AliveCheck → `notFoundCatchAll` (JSON 404). There is no Lift fallback — `Http4sLiftWebBridge` has been removed. Any unhandled `/obp/*` path returns a JSON 404 from `notFoundCatchAll`; it does not fall through to Lift.

**Key files**: `Http4s700.scala` (v7.0.0 endpoints), `Http4s200.scala` (v2.0.0 endpoints — 37 own + path-rewriting bridge to Http4s140), `Http4s140.scala` (v1.4.0 endpoints — 11 own + path-rewriting bridge to Http4s130), `Http4s130.scala` (v1.3.0 endpoints — 3 own + path-rewriting bridge to Http4s121), `Http4s121.scala` (v1.2.1 endpoints — all 323 API1_2_1Test scenarios), `Http4sSupport.scala` (EndpointHelpers + recordMetric), `ResourceDocMiddleware.scala` (auth, entity resolution, transaction wrapper), `IdempotencyMiddleware.scala` (Redis-backed idempotency, opt-in via `Idempotency-Key` header, nested inside ResourceDocMiddleware), `RequestScopeConnection.scala` (DB transaction propagation to Futures).

**v7.0.0 native endpoints** (45 ResourceDocs): root, corePrivateAccountsAllBanks, deleteEntitlement, addEntitlement, getAccountAccessTrace, getConsentsConfig, getErrorMessages, getUserByUserId, createTradingOffer, getTradingOffer, getTradingOffers, cancelTradingOffer, createMarketOrder, getMarketOrder, cancelMarketOrder, createMarketMatch, getMarketTrade, requestSettlement, notifyDeposit, requestWithdrawal, createPaymentAuth, capturePaymentAuth, releasePaymentAuth, getPaymentAuth, createTestEmail, createValidationEmail, createOrganisation, getOrganisations, getOrganisation, updateOrganisation, deleteOrganisation, createRoutingScheme, getRoutingSchemes, getRoutingScheme, updateRoutingScheme, deleteRoutingScheme, getBankSupportedRoutingSchemes, putBankSupportedRoutingScheme, createPayeeLookup, createTransactionRequestMobileWallet, createTransactionRequestOpenCorridor, createTransactionRequestBulk, factoryResetSystemView. These carry genuinely v7-specific signatures/behaviour. The 20 duplicate "POC" endpoints originally added as migration scaffolding (getBanks, getBank, getCurrentUser, getCoreAccountById, getPrivateAccountByIdFull, getExplicitCounterpartyById, getFeatures, getScannedApiVersions, getConnectors, getProviders, getUsers, getCustomersAtOneBank, getCustomerByCustomerId, getAccountsAtBank, getCacheConfig, getCacheInfo, getDatabasePoolInfo, getStoredProcedureConnectorHealth, getMigrations, getCacheNamespaces) were **removed** — they cascade to their v6 twin via `v700ToV600Bridge` (getExplicitCounterpartyById → v4, no v6/v5 twin), `X-OBP-Version-Served: v6.0.0`. Kept deliberately in v7: `deleteEntitlement` (204), `addEntitlement` (409), `getUserByUserId` (404) — intentional RESTful response-code improvements over the older v6 200/400 convention.
**v7.0.0 native endpoints** (46 ResourceDocs): root, corePrivateAccountsAllBanks, deleteEntitlement, addEntitlement, getAccountAccessTrace, getConsentsConfig, getErrorMessages, getUserByUserId, createTradingOffer, getTradingOffer, getTradingOffers, cancelTradingOffer, createMarketOrder, getMarketOrder, cancelMarketOrder, createMarketMatch, getMarketTrade, requestSettlement, notifyDeposit, requestWithdrawal, createPaymentAuth, capturePaymentAuth, releasePaymentAuth, getPaymentAuth, createTestEmail, createValidationEmail, createOrganisation, getOrganisations, getOrganisation, updateOrganisation, deleteOrganisation, createRoutingScheme, getRoutingSchemes, getRoutingScheme, updateRoutingScheme, deleteRoutingScheme, getBankSupportedRoutingSchemes, putBankSupportedRoutingScheme, createPayeeLookup, createTransactionRequestMobileWallet, createTransactionRequestUtility, createTransactionRequestOpenCorridor, createTransactionRequestBulk, factoryResetSystemView. These carry genuinely v7-specific signatures/behaviour. The 20 duplicate "POC" endpoints originally added as migration scaffolding (getBanks, getBank, getCurrentUser, getCoreAccountById, getPrivateAccountByIdFull, getExplicitCounterpartyById, getFeatures, getScannedApiVersions, getConnectors, getProviders, getUsers, getCustomersAtOneBank, getCustomerByCustomerId, getAccountsAtBank, getCacheConfig, getCacheInfo, getDatabasePoolInfo, getStoredProcedureConnectorHealth, getMigrations, getCacheNamespaces) were **removed** — they cascade to their v6 twin via `v700ToV600Bridge` (getExplicitCounterpartyById → v4, no v6/v5 twin), `X-OBP-Version-Served: v6.0.0`. Kept deliberately in v7: `deleteEntitlement` (204), `addEntitlement` (409), `getUserByUserId` (404) — intentional RESTful response-code improvements over the older v6 200/400 convention.

**Tests**: `Http4s700RoutesTest` (86 scenarios, port 8087). `makeHttpRequest` returns `(Int, JValue, Map[String, String])`. `makeHttpRequestWithBody(method, path, body, headers)` for POST/PUT.
**Tests**: `Http4s700RoutesTest` (91 scenarios, port 8087). `makeHttpRequest` returns `(Int, JValue, Map[String, String])`. `makeHttpRequestWithBody(method, path, body, headers)` for POST/PUT.
## Migrating a Lift Endpoint to http4s

Rules apply regardless of which version file the endpoint lives in. Use v7.0.0 only when the API signature is new or changed; otherwise migrate in-place in the original version file.
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