feat(版本): 优化概览与只读状态

关键改动：

- 增加需求排序和版本只读状态规则及测试

- 完善版本概览阶段耗时、项目页和工作台展示

- 优化小宝预警请求节流、建议状态和风险过滤

Co-Authored-By: Codex GPT-5 <codex@openai.com>

apps/web/app/projects/page.tsx

@@ -120,7 +120,7 @@ function ProjectsPageContent() {
           <EmptyState />
         ) : (
           <div>
-            <div className="overflow-hidden rounded-2xl border border-[var(--line)] bg-[var(--bg-card)] shadow-[var(--shadow-sm)]">
+            <div className="overflow-visible rounded-2xl border border-[var(--line)] bg-[var(--bg-card)] shadow-[var(--shadow-sm)]">
               {paged.map((proj) => (
                 <ProjectRow
                   key={proj.id}
@@ -177,7 +177,7 @@ function ProjectRow({
   return (
     <div
       onClick={onClick}
-      className="w-full flex items-center gap-4 px-5 py-4 text-left transition-colors hover:bg-[var(--bg-hover)] border-b border-[var(--line-soft)] last:border-b-0 cursor-pointer"
+      className={`relative w-full flex items-center gap-4 px-5 py-4 text-left transition-colors hover:bg-[var(--bg-hover)] border-b border-[var(--line-soft)] last:border-b-0 cursor-pointer ${menuOpen ? 'z-40' : 'z-0'}`}
     >
       <FolderKanban size={20} className="shrink-0 text-[var(--ink-muted)]" />
       <span className="font-medium text-[var(--ink)] min-w-[120px] shrink-0">
@@ -211,8 +211,8 @@ function ProjectRow({
           </button>
           {menuOpen && (
             <>
-              <div className="fixed inset-0 z-10" onClick={() => setMenuOpen(false)} />
-              <div className="absolute right-0 top-full z-20 mt-1 min-w-[160px] rounded-lg border border-[var(--line)] bg-[var(--bg-card)] py-1 shadow-[var(--shadow-md)]">
+              <div className="fixed inset-0 z-30" onClick={() => setMenuOpen(false)} />
+              <div className="absolute right-0 top-full z-50 mt-1 min-w-[160px] rounded-lg border border-[var(--line)] bg-[var(--bg-card)] py-1 shadow-[var(--shadow-md)]">
                 <button
                   onClick={() => {
                     if (!canActuallyDelete) return;