优化结构

CLAUDE.md

@@ -9,17 +9,20 @@ agents must follow when changing the template.
 cmd/                      Entrypoint, Wire injector, main.go.
 configs/                  Runtime config (config.yaml). No secrets.
 internal/config/          Viper config models, loading, snapshots, and reloads.
-internal/server/          Gin/Kratos handlers, middleware, routers, static files.
+internal/logging/         Structured logging sinks and source metadata.
+internal/server/          Gin handlers, middleware, routers, static files.
 internal/service/dto/     Hand-written request and response DTOs.
 internal/service/         DTO/DO transport adapters.
 internal/biz/              Domain models, usecases, repo interfaces, errors.
 internal/data/             Repo implementations, database clients, migrations.
 internal/initialize/       First-install and configuration orchestration.
 internal/integration/      External I/O adapters (cache, email, payment, storage).
+internal/paymentkit/       Shared payment normalization, signing, and JSON helpers.
 internal/modules/          Built-in module schema, seed, menu, API, and task contributions.
 internal/routecatalog/     HTTP route metadata and runtime policies.
 internal/worker/           Timed-task runtime and scheduler.
 internal/utils/            Stateless internal helpers.
+docs/                      Review notes and operational documentation.
 pkg/                       Reusable infrastructure packages.
 web/                       Vue administration frontend.
 ```
@@ -75,7 +78,7 @@ design rather than add the import.
 - Owns the DO (`type <Resource> struct` — no proto, no storage tags),
   the usecase, and the repo interface (`type <Resource>Repo interface`).
 - Owns typed errors built with `errors.NotFound` / `errors.BadRequest`
-  plus the API error reason enum.
+  plus stable reason strings.
 - Owns `ListOption` helpers — `ListFilter`, `ListOrderBy`, `ListOffset`,
   `ListLimit` — so callers compose queries without leaking storage
   primitives.
@@ -99,7 +102,7 @@ design rather than add the import.
 
 **server**
 
-- Construct HTTP/gRPC servers, apply middleware, register services. No
+- Construct HTTP servers, apply middleware, register services. No
   translation, no business logic.
 
 ### Add-a-resource checklist