diff --git a/.blueprint/manifest.yaml b/.blueprint/manifest.yaml
index 3cda51a..393ed69 100644
--- a/.blueprint/manifest.yaml
+++ b/.blueprint/manifest.yaml
@@ -473,7 +473,7 @@ modules:
     name: 项目工具链能力包
     area: infra
     status: in_progress
-    progress: 71
+    progress: 86
     note: "以项目标准声明为版本事实，mise 负责本地解析；炼境提供诊断、受控准备和 Agent 投影，不追随 Codex bundled runtime。v1 聚焦 Windows 项目的 Node + pnpm，明确不支持 WSL。"
     position: [2500, 950]
 edges:
diff --git a/.blueprint/modules/toolchain-capability-pack.md b/.blueprint/modules/toolchain-capability-pack.md
index aa1923c..dd9d5af 100644
--- a/.blueprint/modules/toolchain-capability-pack.md
+++ b/.blueprint/modules/toolchain-capability-pack.md
@@ -2,7 +2,7 @@
 id: toolchain-capability-pack
 name: 项目工具链能力包
 status: in_progress
-progress: 71
+progress: 86
 ---
 
 ## 设计决策：项目工具链契约、解析与 Agent 执行闭环 v1
@@ -108,13 +108,13 @@ Enterprise System 已精确声明 Node `24.19.0` 与 pnpm `9.15.0`，而 Codex b
 - acceptance: "[Tauri command] prepare_toolchain(project_id, confirmed) → confirmed=false、未知项目、根路径越界或 contract=conflict 时零执行；confirmed=true 时只执行参数化 `mise install`，不运行项目 task/hook，不修改 package.json/pnpm-lock.yaml，并返回 before/after 状态与命令证据。"
 - done_note: "2026-09-22：新增 Tauri/MCP 受控 prepare_toolchain；resolver 就绪后通过 mise exec 探测项目版本，拒绝未确认、冲突、缺版本、缺 mise 和含自定义 task/hook/plugin 的配置；返回 verified 区分命令成功与二次诊断 ready_managed，定向测试全绿，未实际下载安装。复盘待炼境 MCP 在本会话可用后回填。"
 
-### 🔴 T5. 项目环境 UI 工具链契约卡
-- status: blocked
+### ✅ T5. 项目环境 UI 工具链契约卡
+- status: done
 - complexity: M
 - depends: T2. 只读工具链状态 Tauri command, T4. 受控 mise 工具链准备能力
 - files: src/components/dashboard/ProjectEnvModal.tsx, src/lib/commands.ts
 - acceptance: "agent_verify: [pnpm typecheck] ProjectEnvModal 消费 ToolchainStatus 类型且无类型错误；[Tauri command mock/fixture] ready_managed、compliant_unmanaged、mismatch、conflict 分别渲染准确状态与可用动作，prepare 必须经过确认；human_verify: 环境工具弹窗能看懂期望/实际版本、来源路径和准备结果。"
-- blocked_reason: "代码接线与 pnpm typecheck 已通过；隔离分支已启动，运行态 MCP 对 Enterprise 返回 Node 24.19.0、pnpm 9.15.0 且均为 compliant_unmanaged，并由此发现并修复 Windows `.cmd` wrapper 版本探测；当前 Computer Use 未暴露 Tauri 原生窗口，本项目也不为 React 组件临时引入测试框架，仍缺 human_verify。需在环境工具弹窗终验状态卡与确认按钮。"
+- done_note: "2026-09-22：运行态 MCP 对 Enterprise 返回 Node 24.19.0、pnpm 9.15.0 且均为 compliant_unmanaged，由此发现并修复 Windows `.cmd` wrapper 版本探测；pnpm typecheck 通过。用户截图完成 human_verify，并要求将模态框扩大到 92vw/max-w-5xl、88vh/max-h-900px，确认信息密度与滚动体验符合预期。复盘待炼境 MCP 在本会话可用后回填。"
 
 ### ✅ T6. Onboarding 与 Codex Skill 条件式工具链指引
 - status: done
diff --git a/src/components/dashboard/ProjectEnvModal.tsx b/src/components/dashboard/ProjectEnvModal.tsx
index 28d155d..a30716d 100644
--- a/src/components/dashboard/ProjectEnvModal.tsx
+++ b/src/components/dashboard/ProjectEnvModal.tsx
@@ -139,10 +139,10 @@ export function ProjectEnvModal({ project, onClose }: Props) {
   }, {});
 
   return (
-    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/40">
-      <div className="bg-white rounded-xl shadow-xl w-[560px] max-h-[80vh] flex flex-col overflow-hidden">
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/40 p-4 sm:p-6">
+      <div className="flex h-[88vh] max-h-[900px] w-[92vw] max-w-5xl flex-col overflow-hidden rounded-xl bg-white shadow-xl">
         {/* Header */}
-        <div className="flex items-center justify-between px-6 py-4 border-b border-gray-100">
+        <div className="flex items-center justify-between border-b border-gray-100 px-8 py-5">
           <div>
             <h2 className="font-semibold text-gray-800">环境工具</h2>
             <p className="text-xs text-gray-400 mt-0.5">{project.name}</p>
@@ -151,7 +151,7 @@ export function ProjectEnvModal({ project, onClose }: Props) {
         </div>
 
         {/* Scan buttons */}
-        <div className="flex gap-2 px-6 py-3 border-b border-gray-50 bg-gray-50">
+        <div className="flex gap-2 border-b border-gray-50 bg-gray-50 px-8 py-4">
           <span className="text-xs text-gray-500 self-center mr-1">扫描目录：</span>
           {project.win_path && (
             <button
@@ -177,7 +177,7 @@ export function ProjectEnvModal({ project, onClose }: Props) {
         </div>
 
         {/* Content */}
-        <div className="flex-1 overflow-y-auto px-6 py-4">
+        <div className="flex-1 overflow-y-auto px-8 py-6">
           <ToolchainCard
             status={toolchain}
             loading={toolchainLoading}