feat: GeoScene frontend POC + Docker deploy for remote host

Migrate maps to @geoscene/core, polish monitoring/alerts UX, fix timeline
basemap flicker and district alert regions, and ship compose/nginx Docker
deploy assets with CBPOA_ROOT data mounts.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/components/TopNav.tsx

@@ -1,14 +1,9 @@
 import { useState, useEffect } from 'react';
-import { useNavigate } from 'react-router-dom';
 import { TESTIDS } from '@/utils/testids';
-import { useSessionStore, ROLES, type Role } from '@/stores/sessionStore';
-import { ROLE_LABELS, roleDefaultPath } from '@/utils/roleViews';
 
 interface TopNavProps {
   onLogout?: () => void;
-  // 移动端汉堡按钮：切换侧栏抽屉。
   onToggleMenu?: () => void;
-  // 抽屉是否展开（用于汉堡按钮的 aria-expanded）。
   isMenuOpen?: boolean;
 }
 
@@ -18,44 +13,16 @@ function Clock() {
     const id = setInterval(() => setTime(new Date()), 1000);
     return () => clearInterval(id);
   }, []);
-  return <span>{time.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' })}</span>;
-}
-
-// 视角切换器：纯前端视图预设（D2）。刻意标注「视角」而非「权限」——不是访问控制。
-// 切换时持久化角色并跳转到该视角的默认落地页。
-function PerspectiveSwitcher() {
-  const role = useSessionStore((s) => s.role);
-  const setRole = useSessionStore((s) => s.setRole);
-  const navigate = useNavigate();
-
-  const handleChange = (next: Role) => {
-    setRole(next);
-    navigate(roleDefaultPath(next));
-  };
-
   return (
-    <label className="flex items-center gap-1.5 text-[13px] text-text-secondary">
-      <span className="text-text-muted hidden sm:inline">视角</span>
-      <select
-        data-testid={TESTIDS.perspectiveSwitcher}
-        value={role}
-        onChange={(e) => handleChange(e.target.value as Role)}
-        aria-label="切换视角"
-        className="bg-bg-card border border-border rounded-md px-2 py-1 text-[13px] text-text-primary hover:bg-bg-hover focus:outline-none focus:ring-1 focus:ring-primary cursor-pointer"
-      >
-        {ROLES.map((r) => (
-          <option key={r} value={r} data-testid={`${TESTIDS.perspectiveOption}-${r}`}>
-            {ROLE_LABELS[r]}
-          </option>
-        ))}
-      </select>
-    </label>
+    <span className="font-mono tabular-nums">
+      {time.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' })}
+    </span>
   );
 }
 
 export function TopNav({ onLogout, onToggleMenu, isMenuOpen = false }: TopNavProps) {
   return (
-    <nav className="h-[52px] bg-bg-card border-b border-border flex items-center px-5 z-50">
+    <nav className="h-[54px] shrink-0 bg-bg-card/95 border-b border-border flex items-center px-4 sm:px-5 z-50 backdrop-blur-md">
       {onToggleMenu && (
         <button
           type="button"
@@ -64,7 +31,7 @@ export function TopNav({ onLogout, onToggleMenu, isMenuOpen = false }: TopNavPro
           aria-expanded={isMenuOpen}
           aria-controls="app-drawer"
           data-testid={TESTIDS.hamburger}
-          className="lg:hidden mr-3 -ml-1 w-9 h-9 flex items-center justify-center rounded-md text-text-secondary hover:bg-bg-hover transition-colors"
+          className="lg:hidden mr-2.5 -ml-0.5 w-9 h-9 flex items-center justify-center rounded-lg text-text-secondary hover:bg-bg-hover transition-colors"
         >
           <svg className="w-5 h-5" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
             <path strokeLinecap="round" strokeLinejoin="round" d="M4 6h16M4 12h16M4 18h16" />
@@ -72,37 +39,38 @@ export function TopNav({ onLogout, onToggleMenu, isMenuOpen = false }: TopNavPro
         </button>
       )}
 
-      <div className="flex items-center gap-3">
-        <div className="w-7 h-7 bg-primary rounded-md flex items-center justify-center">
+      <div className="flex items-center gap-3 min-w-0">
+        <div
+          className="w-8 h-8 rounded-lg bg-gradient-to-br from-primary to-mist flex items-center justify-center shadow-soft shrink-0"
+          aria-hidden
+        >
           <svg className="w-4 h-4 fill-white" viewBox="0 0 24 24">
-            <path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-7 3c1.93 0 3.5 1.57 3.5 3.5S13.93 13 12 13s-3.5-1.57-3.5-3.5S10.07 6 12 6zm7 13H5v-.23c0-.62.28-1.2.76-1.58C7.47 15.82 9.64 15 12 15s4.53.82 6.24 2.19c.48.38.76.97.76 1.58V19z" />
+            <path d="M12 3c-1.2 2.4-3.5 4-6 4 .6 3.4 2.8 6.2 6 7.5 3.2-1.3 5.4-4.1 6-7.5-2.5 0-4.8-1.6-6-4zm0 14.5c-2.2-.9-4-2.5-5.2-4.5C5.5 15.2 4 18 4 21h16c0-3-1.5-5.8-2.8-8-1.2 2-3 3.6-5.2 4.5z" />
           </svg>
         </div>
-        <span className="font-display font-semibold text-[15px] text-text-primary">
-          WuhanChildRisk
-        </span>
+        <div className="min-w-0 leading-tight">
+          <span className="brand-mark text-[16px] block truncate">CBPOA</span>
+          <span className="text-[11px] text-text-muted hidden sm:block truncate">
+            武汉儿童呼吸疾病风险评估
+          </span>
+        </div>
       </div>
 
-      <div className="w-px h-5 bg-border ml-4 mr-4 hidden sm:block" />
+      <div className="w-px h-6 bg-border ml-4 mr-4 hidden md:block" />
 
-      <span className="text-[13px] text-text-secondary hidden sm:inline">
-        儿童呼吸道疾病风险监测预警平台
+      <span className="text-[12px] text-text-secondary hidden md:inline truncate">
+        监测 · 预警 · 空间风险
       </span>
 
-      <div className="ml-auto flex items-center gap-5">
+      <div className="ml-auto flex items-center gap-4">
         <span className="text-[12px] text-text-muted hidden sm:inline">
           <Clock />
         </span>
-        <div className="flex items-center gap-2 text-[13px] text-text-secondary">
-          <svg className="w-4 h-4" fill="currentColor" viewBox="0 0 24 24">
-            <path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z" />
-          </svg>
-          <PerspectiveSwitcher />
-        </div>
         {onLogout && (
           <button
+            type="button"
             onClick={onLogout}
-            className="text-[12px] text-text-muted hover:text-danger transition-colors"
+            className="text-[12px] text-text-muted hover:text-danger transition-colors px-2 py-1 rounded-md hover:bg-danger-light/60"
           >
             退出
           </button>