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

server/internal/services/dnfbridge/auction_sale_letter_statement_test.go

@@ -0,0 +1,111 @@
+package dnfbridge
+
+// The seller's 成交 letters. Both used to be one flat sentence that showed only
+// the net ("远古遗愿已成交1个，成交款127990金币。" / "您的1百万已成交，代币券已
+// 通过邮件送达。"), so the three numbers behind the payout - what the item sold
+// for, the commission taken out, and the deposit that came home - were invisible.
+//
+// The operator's target format is the itemised statement the client shows:
+//
+//	[已售出 金刚石 1个。]                       - 已成功拍卖[1百万] -
+//	出售价 : + 10000 金币                       成交价 : + 188 代币券
+//	保证金 : + 10000 金币                       手续费 : - 56 代币券
+//	手续费 : - 500 金币                         拍卖[1百万]后， 您获得了132代币券。
+//	已售出 金刚石 并获得 19500 金币。
+//
+// The first line is the letter's title (it is what the mailbox list shows) and
+// the rest is the body.
+//
+// The durability half of this - the breakdown riding the payout row so a
+// deferred retry prints the same letter after the listing row is gone - is
+// pinned in the domain package, next to the money it walks:
+// TestOwnerSalePayoutFreezesTheStatementOnTheOutboxRow.
+
+import (
+	"strings"
+	"testing"
+
+	dnfauction "longheng.io/server/internal/modules/dnf/auction"
+)
+
+// The first line is both the subject and the body's first line, because the
+// client's detail pane draws the body only - a subject on its own is invisible
+// there, which is what the live letter showed - while the mailbox list draws the
+// subject. Every expectation below therefore repeats it at the head of the body.
+
+// TestCurrentAuctionSaleStatementMatchesTheTargetLetter reproduces the item
+// auction case exactly: 金刚石 x1 at 10000, a 10000 deposit and a 5% commission.
+func TestCurrentAuctionSaleStatementMatchesTheTargetLetter(t *testing.T) {
+	payout := dnfauction.Payout{
+		ItemID: 6001, SoldCount: 1, Gold: 19_500,
+		Statement: dnfauction.SaleStatement{
+			GrossGold: 10_000, FeeGold: 500, DepositGold: 10_000, NetGold: 19_500,
+		},
+		HasStatement: true,
+	}
+	title, body := currentAuctionSaleStatement(payout, "金刚石")
+	if title != "[已售出 金刚石 1个。]" {
+		t.Fatalf("title=%q", title)
+	}
+	want := "[已售出 金刚石 1个。]\n出售价 : + 10000 金币\n保证金 : + 10000 金币\n手续费 : - 500 金币\n已售出 金刚石 并获得 19500 金币。"
+	if body != want {
+		t.Fatalf("body=%q\nwant  %q", body, want)
+	}
+	if !strings.HasPrefix(body, title+"\n") {
+		t.Fatalf("body does not start with the subject line: %q", body)
+	}
+}
+
+// A partial sale keeps the deposit riding the remaining pieces, and a listing
+// registered before deposits or commissions existed has neither, so those lines
+// must not print a meaningless "+ 0 金币".
+func TestCurrentAuctionSaleStatementOmitsLinesThatDidNotHappen(t *testing.T) {
+	partial := dnfauction.Payout{
+		ItemID: 6001, SoldCount: 3, Gold: 285,
+		Statement:    dnfauction.SaleStatement{GrossGold: 300, FeeGold: 15, DepositGold: 0, NetGold: 285},
+		HasStatement: true,
+	}
+	_, body := currentAuctionSaleStatement(partial, "无色小晶块")
+	if want := "[已售出 无色小晶块 3个。]\n出售价 : + 300 金币\n手续费 : - 15 金币\n已售出 无色小晶块 并获得 285 金币。"; body != want {
+		t.Fatalf("partial body=%q\nwant  %q", body, want)
+	}
+
+	legacy := dnfauction.Payout{
+		ItemID: 6001, SoldCount: 1, Gold: 400,
+		Statement:    dnfauction.SaleStatement{GrossGold: 400, FeeGold: 0, DepositGold: 0, NetGold: 400},
+		HasStatement: true,
+	}
+	_, body = currentAuctionSaleStatement(legacy, "金刚石")
+	if want := "[已售出 金刚石 1个。]\n出售价 : + 400 金币\n已售出 金刚石 并获得 400 金币。"; body != want {
+		t.Fatalf("legacy body=%q\nwant  %q", body, want)
+	}
+}
+
+// TestCurrentGoldConsignSaleStatementMatchesTheTargetLetter reproduces the
+// consignment case: 188 点券 with a 30% commission leaves 132 代币券.
+func TestCurrentGoldConsignSaleStatementMatchesTheTargetLetter(t *testing.T) {
+	sale := dnfauction.GoldConsignListing{
+		ID: 7, GoldItemID: 2681725, GoldAmount: 1_000_000,
+		PriceCera: 188, FeePercent: 30, ProceedsCera: 132,
+	}
+	title, body := currentGoldConsignSaleStatement(sale, "1百万")
+	if title != "- 已成功拍卖[1百万] -" {
+		t.Fatalf("title=%q", title)
+	}
+	want := "- 已成功拍卖[1百万] -\n成交价 : + 188 代币券\n手续费 : - 56 代币券\n拍卖[1百万]后， 您获得了132代币券。"
+	if body != want {
+		t.Fatalf("body=%q\nwant  %q", body, want)
+	}
+	if !strings.HasPrefix(body, title+"\n") {
+		t.Fatalf("body does not start with the subject line: %q", body)
+	}
+
+	// A fee-free row prints no 手续费 line, and the commission is read off the
+	// row rather than recomputed from FeePercent, so the money that actually
+	// moved is what gets printed even if the two disagree.
+	free := dnfauction.GoldConsignListing{PriceCera: 500, ProceedsCera: 500}
+	_, body = currentGoldConsignSaleStatement(free, "1百万")
+	if want := "- 已成功拍卖[1百万] -\n成交价 : + 500 代币券\n拍卖[1百万]后， 您获得了500代币券。"; body != want {
+		t.Fatalf("fee-free body=%q\nwant  %q", body, want)
+	}
+}