优化小车卡片界面和车队编队的功能，优化首页菜单的快捷入口功能

MiGu.Server/Controllers/DashboardController.cs

@@ -0,0 +1,54 @@
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using MiGu.Server.Dashboard;
+
+namespace MiGu.Server.Controllers;
+
+[ApiController]
+[Authorize]
+[Route("api/dashboard")]
+public class DashboardController : ControllerBase
+{
+    private readonly DashboardShortcutService _shortcuts;
+
+    public DashboardController(DashboardShortcutService shortcuts) => _shortcuts = shortcuts;
+
+    public sealed record SaveQuickEntriesRequest(List<string>? Keys);
+
+    [HttpGet("quick-entries")]
+    public async Task<IActionResult> GetQuickEntries(CancellationToken ct)
+    {
+        var (userId, scope, err) = ResolveSession();
+        if (err != null) return err;
+
+        var result = await _shortcuts.GetAsync(userId!, scope!, ct);
+        return Ok(new { keys = result.Keys, usingDefaults = result.UsingDefaults });
+    }
+
+    [HttpPut("quick-entries")]
+    public async Task<IActionResult> SaveQuickEntries(
+        [FromBody] SaveQuickEntriesRequest req, CancellationToken ct)
+    {
+        var (userId, scope, err) = ResolveSession();
+        if (err != null) return err;
+
+        var result = await _shortcuts.SaveAsync(userId!, scope!, req.Keys, ct);
+        return Ok(new { keys = result.Keys, usingDefaults = result.UsingDefaults });
+    }
+
+    private (string? UserId, string? Scope, IActionResult? Error) ResolveSession()
+    {
+        var userId = User.FindFirstValue(JwtRegisteredClaimNames.Sub)
+            ?? User.FindFirstValue(ClaimTypes.NameIdentifier);
+        if (string.IsNullOrWhiteSpace(userId))
+            return (null, null, Unauthorized(new { message = "未识别用户" }));
+
+        var scope = User.FindFirstValue("scope");
+        if (string.IsNullOrWhiteSpace(scope))
+            return (null, null, BadRequest(new { message = "会话缺少 scope" }));
+
+        return (userId, scope, null);
+    }
+}