feat: add project-owned error catalogs and HTTP 200 failure contracts

config/file.go

@@ -5,8 +5,6 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
-	"git.yuntuo.hk/k2safe/go-omni/logx"
-	"gopkg.in/yaml.v3"
 	"io"
 	"os"
 	"path/filepath"
@@ -14,6 +12,10 @@ import (
 	"strings"
 	"sync"
 	"time"
+
+	apierrors "git.yuntuo.hk/k2safe/go-omni/errors"
+	"git.yuntuo.hk/k2safe/go-omni/logx"
+	"gopkg.in/yaml.v3"
 )
 
 // DecodeFile merges a bounded JSON/YAML document into defaults. It uses JSON
@@ -45,15 +47,9 @@ func DecodeFile[T any](path string, defaults T) (T, error) {
 			return zero, errors.New("config: one YAML document required")
 		}
 	case ".json":
-		dec := json.NewDecoder(bytes.NewReader(data))
-		dec.UseNumber()
-		if err := dec.Decode(&value); err != nil {
+		if err := apierrors.DecodeCatalogJSON(data, &value); err != nil {
 			return zero, err
 		}
-		var extra any
-		if err := dec.Decode(&extra); err != io.EOF {
-			return zero, errors.New("config: one JSON document required")
-		}
 	default:
 		return zero, errors.New("config: expected .json, .yaml or .yml")
 	}
@@ -182,6 +178,7 @@ func (r *Reloader) Snapshot() Config {
 	defer r.mu.Unlock()
 	cfg := r.current
 	cfg.Response = r.current.Response.Clone()
+	cfg.Errors = r.current.Errors.Clone()
 	cfg.TrustedProxies = append([]string(nil), cfg.TrustedProxies...)
 	cfg.Log.RedactKeys = append([]string(nil), cfg.Log.RedactKeys...)
 	return cfg