feat(api): chi-роутер, check/apply хендлеры, changeset DTO

internal/api/api.go

@@ -0,0 +1,40 @@
+package api
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+	"github.com/google/uuid"
+
+	"github.com/vasyakrg/dns-autoresolver/internal/diff"
+	"github.com/vasyakrg/dns-autoresolver/internal/service"
+)
+
+// CheckApplier is the service surface the API depends on.
+type CheckApplier interface {
+	Check(ctx context.Context, domainID uuid.UUID) (diff.Changeset, error)
+	Apply(ctx context.Context, domainID uuid.UUID, req service.ApplyRequest) (diff.Changeset, error)
+}
+
+// API holds handler dependencies. Store/Cipher are used by CRUD handlers
+// (added by the implementer following the accounts pattern).
+type API struct {
+	Svc CheckApplier
+}
+
+func NewRouter(a *API) http.Handler {
+	r := chi.NewRouter()
+	r.Use(middleware.RequestID)
+	r.Use(middleware.Recoverer)
+
+	r.Route("/api/v1/projects/{pid}", func(r chi.Router) {
+		r.Route("/domains/{did}", func(r chi.Router) {
+			r.Get("/check", a.handleCheck)
+			r.Post("/apply", a.handleApply)
+		})
+		// accounts/templates/domains CRUD маунтятся тем же паттерном (Task 4 sqlc-методы)
+	})
+	return r
+}