优化表结构，重构模型，重新实现基于白银网关的提取节点流程

web/core/error.go

@@ -0,0 +1,68 @@
+package core
+
+import (
+	"log/slog"
+	"platform/pkg/env"
+	"runtime"
+)
+
+type Err struct {
+	msg string
+	err error
+
+	errFile string
+	errLine int
+	errFunc string
+}
+
+func (e *Err) Error() string {
+	if e.err != nil {
+		return e.msg + ": " + e.err.Error()
+	}
+	return e.msg
+}
+
+func (e *Err) Unwrap() error {
+	return e.err
+}
+
+func (e *Err) Source() *slog.Source {
+	return &slog.Source{
+		Function: e.errFunc,
+		File:     e.errFile,
+		Line:     e.errLine,
+	}
+}
+
+func newErr(msg string, err ...error) Err {
+	o := Err{
+		msg: msg,
+	}
+
+	if len(err) > 0 {
+		o.err = err[0]
+	}
+
+	if env.RunMode == env.RunModeDev {
+		pc, file, line, ok := runtime.Caller(2)
+		if ok {
+			o.errFile = file
+			o.errLine = line
+			o.errFunc = runtime.FuncForPC(pc).Name()
+		}
+	}
+
+	return o
+}
+
+type BizErr struct{ Err }
+
+func NewBizErr(msg string, err ...error) (biz *BizErr) {
+	return &BizErr{newErr(msg, err...)}
+}
+
+type ServErr struct{ Err }
+
+func NewServErr(msg string, err ...error) *ServErr {
+	return &ServErr{newErr(msg, err...)}
+}