产品迭代模块：卡片改表格 + 日期内联编辑 + 后端日期校验

- 卡片列表改为表格列表（10列），参考用户运营中心产品台账
- 数据库新增 priority + 5 个日期字段（start/plan/dev_done/test/launch）
- 删除 owner/platform/feature_list 字段（migrate_drop_product_fields）
- 日期内联编辑：5个日期列直接渲染 date input
- 后端日期校验：4个时间不能早于启动时间；启动时间必填
- 详情页新增耗时统计区块（总/产品/研发/测试耗时）
- 优先级和状态合并同一行
- 新增'未开始'状态
- 表格垂直居中对齐
- renderProducts 后重新初始化 lucide 图标

static/modules/finance.js

@@ -109,7 +109,7 @@ function renderFinance() {
     <div class="grid grid-cols-5 gap-3">
       ${[["本月确收",moneyInt(thisMonthRev),"trending-up"],["本月毛利",moneyInt(thisMonthGross),"percent"],["本月回款",moneyInt(monthPayment),"wallet"],["本月费用",moneyInt(monthCost),"receipt"],["本月现金流",moneyInt(monthCashflow),"repeat"]].map(([l,v,icon]) => `<div class="metric-card"><span class="flex items-center gap-2 text-xs text-slate-500"><i data-lucide="${icon}" style="width:14px;height:14px"></i>${l}</span><strong class="mt-2 block text-2xl">${v}</strong></div>`).join("")}
     </div>
-    <div class="flex justify-between items-center"><div class="flex items-center gap-1" id="finViewToggle"><button class="btn btn-sm ${state.finView !== 'cashflow' ? 'btn-primary' : 'btn-ghost'} p-1.5" data-view="rev" onclick="setFinView('rev')" title="确收/毛利视图"><i data-lucide="trending-up" style="width:16px;height:16px"></i></button><button class="btn btn-sm ${state.finView === 'cashflow' ? 'btn-primary' : 'btn-ghost'} p-1.5" data-view="cashflow" onclick="setFinView('cashflow')" title="回款/费用视图"><i data-lucide="wallet" style="width:16px;height:16px"></i></button></div><button class="btn btn-primary btn-sm" onclick="openFinanceModal()"><i data-lucide="plus"></i>新增财务项目</button></div>
+    <div class="flex justify-between items-center"><div class="flex items-center gap-1" id="finViewToggle"><button class="btn btn-sm ${state.finView !== 'cashflow' ? 'btn-primary' : 'btn-ghost'} px-2 py-1.5" data-view="rev" onclick="setFinView('rev')" title="确收/毛利视图"><i data-lucide="trending-up" style="width:16px;height:16px"></i><span class="text-xs ml-1">确收/毛利</span></button><button class="btn btn-sm ${state.finView === 'cashflow' ? 'btn-primary' : 'btn-ghost'} px-2 py-1.5" data-view="cashflow" onclick="setFinView('cashflow')" title="回款/费用视图"><i data-lucide="wallet" style="width:16px;height:16px"></i><span class="text-xs ml-1">回款/费用</span></button></div><button class="btn btn-primary btn-sm" onclick="openFinanceModal()"><i data-lucide="plus"></i>新增财务项目</button></div>
     <div id="financeModal" class="hidden fixed inset-0 z-50 flex items-center justify-center bg-black/40" onclick="closeFinanceModal()"><div class="bg-white rounded-2xl shadow-2xl w-full max-w-5xl mx-4 max-h-[92vh] overflow-y-auto" onclick="event.stopPropagation()"><div class="sticky top-0 z-10 bg-white/95 backdrop-blur border-b border-slate-100 px-8 py-5 flex items-center justify-between"><div><h3 class="text-xl font-bold text-slate-800" id="financeModalTitle">新增项目财务</h3><p class="text-xs text-slate-400 mt-0.5">填写项目财务信息与月度预算</p></div><div class="flex items-center gap-2"><button class="btn btn-ghost btn-sm text-red-600 hidden" id="financeDeleteBtn" onclick="deleteFinanceItem()"><i data-lucide="trash-2"></i>删除</button><button class="btn btn-ghost btn-sm rounded-full w-8 h-8 p-0" onclick="closeFinanceModal()"><i data-lucide="x"></i></button></div></div>
   <div class="finance-tabs">
     <button class="finance-tab active" data-tab="info" onclick="switchFinanceTab('info')"><i data-lucide="info" style="width:14px;height:14px;display:inline-block;vertical-align:-2px;margin-right:4px"></i>基本信息</button>