fix(#41): add missing json tags to ReparseOutcome

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

server/app/goauto/sybimport/reparse.go

@@ -27,10 +27,10 @@ type rawDetailSpec struct {
 // ReparseOutcome reports what one row's reparse actually did, for the batch
 // result page's per-line feedback.
 type ReparseOutcome struct {
-	SYBProductID uint64
-	Outcome      string // reparsed | skipped_manual | unchanged
-	OldStatus    string
-	NewStatus    string
+	SYBProductID uint64 `json:"sybProductId"`
+	Outcome      string `json:"outcome"` // reparsed | skipped_manual | unchanged
+	OldStatus    string `json:"oldStatus"`
+	NewStatus    string `json:"newStatus"`
 }
 
 const (

server/app/goauto/sybimport/reparse_test.go

@@ -2,6 +2,8 @@ package sybimport_test
 
 import (
 	"context"
+	"encoding/json"
+	"strings"
 	"testing"
 
 	"go-admin/app/goauto/models"
@@ -148,3 +150,29 @@ func TestManualCorrectMergesIntoArchiveLikeASuccessfulParse(t *testing.T) {
 		t.Fatal("a manual correction should merge into the shopee archive same as a successful auto-parse")
 	}
 }
+
+// Regression test: ReparseOutcome originally had no json tags at all, so Go's
+// default marshaling produced PascalCase keys ("SYBProductID", "OldStatus")
+// instead of the camelCase the rest of this API and the admin frontend use.
+// A frontend built against the intended camelCase names would have silently
+// read undefined for every field.
+func TestReparseOutcomeMarshalsToCamelCaseKeys(t *testing.T) {
+	db := openTestDB(t)
+	applied, err := sybimport.ApplyDetail(context.Background(), db, realOrder(), realDetailA())
+	if err != nil {
+		t.Fatalf("apply: %v", err)
+	}
+	outcome, err := sybimport.Reparse(context.Background(), db, applied.SYBProduct.ID, false)
+	if err != nil {
+		t.Fatalf("reparse: %v", err)
+	}
+	encoded, err := json.Marshal(outcome)
+	if err != nil {
+		t.Fatalf("marshal: %v", err)
+	}
+	for _, key := range []string{`"sybProductId"`, `"outcome"`, `"oldStatus"`, `"newStatus"`} {
+		if !strings.Contains(string(encoded), key) {
+			t.Fatalf("expected key %s in %s", key, encoded)
+		}
+	}
+}