DNF90 服务端与启动器完整源码（含 GM 工具功能增强）

服务端（Go）：
- GM 塞背包/带属性装备发放：在线角色推送 op14 增量物品行，背包实时刷新，无需回角色选择界面
- GM 改金币/改等级：去掉在线拒绝，落库后推送 op14 钱包/op37 等级状态，在线实时刷新
- 等级端点统一切换到新版 GMSetCharacterLevel（自带在线刷新）
- 无限/锁死疲劳模式 + 燃烧疲劳：每房间消耗 2 点、打怪与通关经验双倍
- 燃烧疲劳开关时给所有在线角色推送系统提示（op12 mode 0）
- 深渊史诗掉率：GM 全局倍率 + 城镇增益药剂窗口倍率，真实接入掉落结算

启动器（Python/JS）：
- 标题栏自绘、窗口 1204x717、禁止拖拽改大小、仅最小化/关闭
- GM 工具：疲劳与燃烧、深渊史诗掉率、拍卖行上架（单一定价对齐）
- 拍卖行上架前端对齐服务端单一价格语义，修复 400 报错

pvf/services/batch_diff_test.go

@@ -0,0 +1,132 @@
+package services
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+)
+
+// listStyleLines builds a large body of distinct lines, mirroring how a real
+// .lst file renders as one record per line.
+func listStyleLines(records int) []string {
+	lines := make([]string, 0, records)
+	for index := 0; index < records; index++ {
+		id := 10018 + index
+		lines = append(lines, fmt.Sprintf("%d `character/common/jacket/cloth/vest_%d.equ`", id, id))
+	}
+	return lines
+}
+
+func countDiffKinds(diff []*BatchDiffLine) (removes, adds, context int) {
+	for _, line := range diff {
+		switch line.Kind {
+		case "remove":
+			removes++
+		case "add":
+			adds++
+		default:
+			context++
+		}
+	}
+	return removes, adds, context
+}
+
+// A single line edit inside a large file must stay a single-line diff. Before
+// common-affix trimming, any file over 1200 lines hit the size fallback and
+// reported every line as removed and re-added.
+func TestBuildBatchDiffKeepsLargeFileEditSmall(t *testing.T) {
+	for _, records := range []int{940, 1201, 6000, 20000} {
+		t.Run(fmt.Sprintf("%d-lines", records), func(t *testing.T) {
+			before := listStyleLines(records)
+			after := append([]string(nil), before...)
+			after[records/2] = "10086 `character/common/amulet/100300001.equ`"
+
+			diff, truncated := buildBatchDiff(strings.Join(before, "\n"), strings.Join(after, "\n"))
+			if truncated {
+				t.Fatalf("truncated = true, want a small exact diff")
+			}
+			removes, adds, context := countDiffKinds(diff)
+			if removes != 1 || adds != 1 {
+				t.Fatalf("removes = %d adds = %d, want 1 and 1", removes, adds)
+			}
+			// Only the changed line plus the surrounding context is emitted.
+			if context != 2*batchDiffContext {
+				t.Fatalf("context = %d, want %d", context, 2*batchDiffContext)
+			}
+		})
+	}
+}
+
+// The trimming must not lose information: the reported line numbers still have
+// to point at the original positions in both revisions.
+func TestBuildBatchDiffLineNumbersAfterTrimming(t *testing.T) {
+	before := listStyleLines(2000)
+	after := append([]string(nil), before...)
+	changedIndex := 1500
+	after[changedIndex] = "9999 `character/common/amulet/target.equ`"
+
+	diff, truncated := buildBatchDiff(strings.Join(before, "\n"), strings.Join(after, "\n"))
+	if truncated {
+		t.Fatal("unexpected truncation")
+	}
+	var remove, add *BatchDiffLine
+	for _, line := range diff {
+		if line.Kind == "remove" {
+			remove = line
+		}
+		if line.Kind == "add" {
+			add = line
+		}
+	}
+	if remove == nil || add == nil {
+		t.Fatalf("diff = %+v", diff)
+	}
+	if remove.OldLine != changedIndex+1 || add.NewLine != changedIndex+1 {
+		t.Fatalf("line numbers = old %d new %d, want %d", remove.OldLine, add.NewLine, changedIndex+1)
+	}
+	// The change is reported with its original text on the remove side.
+	if remove.Text != before[changedIndex] {
+		t.Fatalf("remove text = %q, want %q", remove.Text, before[changedIndex])
+	}
+}
+
+// Appending to the end of a large file must report only the appended lines.
+func TestBuildBatchDiffLargeAppend(t *testing.T) {
+	before := listStyleLines(5000)
+	after := append(append([]string(nil), before...), "9001 `character/common/amulet/new.equ`")
+
+	diff, truncated := buildBatchDiff(strings.Join(before, "\n"), strings.Join(after, "\n"))
+	if truncated {
+		t.Fatal("unexpected truncation")
+	}
+	removes, adds, _ := countDiffKinds(diff)
+	if removes != 0 || adds != 1 {
+		t.Fatalf("removes = %d adds = %d, want 0 and 1", removes, adds)
+	}
+}
+
+// A genuinely large rewrite may still fall back to remove/add, but it must not
+// silently drop one side: truncation has to be reported.
+func TestBuildBatchDiffReportsTruncation(t *testing.T) {
+	before := listStyleLines(5000)
+	after := make([]string, 0, len(before))
+	for _, line := range before {
+		after = append(after, "rewritten "+line)
+	}
+
+	diff, truncated := buildBatchDiff(strings.Join(before, "\n"), strings.Join(after, "\n"))
+	if !truncated {
+		t.Fatal("expected a truncated diff for a full rewrite of a large file")
+	}
+	if len(diff) != batchMaxDiffLines {
+		t.Fatalf("diff length = %d, want %d", len(diff), batchMaxDiffLines)
+	}
+}
+
+// Identical content produces no diff at all.
+func TestBuildBatchDiffIdenticalInput(t *testing.T) {
+	text := strings.Join(listStyleLines(3000), "\n")
+	if diff, truncated := buildBatchDiff(text, text); len(diff) != 0 || truncated {
+		t.Fatalf("diff = %d lines truncated = %v, want empty", len(diff), truncated)
+	}
+}