feat: rebuild pet app and backend around core care flows

pets-be/internal/storage/minio_test.go

@@ -0,0 +1,21 @@
+package storage
+
+import (
+	"testing"
+
+	"github.com/sundynix/pets-be/internal/config"
+)
+
+func TestPublicURLUsesEndpoint(t *testing.T) {
+	store, err := New(config.MinIOConfig{
+		Endpoint: "https://s3.sundynix.cn", AccessKey: "test", SecretKey: "test", Bucket: "sundynix-pet",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	got := store.PublicURL("files/2026-10-01/corgi photo.png")
+	want := "https://s3.sundynix.cn/sundynix-pet/files/2026-10-01/corgi%20photo.png"
+	if got != want {
+		t.Fatalf("PublicURL() = %q, want %q", got, want)
+	}
+}