Platform upgrade: login auth fix, OCR/OSS upload, system menus and dicts, weather dashboard, weighing and invoice modules

backend/AgriculturalPlatform.Api/Program.cs

@@ -81,8 +81,15 @@ builder.Services.AddSingleton<IFileStorage>(sp =>
         ? sp.GetRequiredService<OssFileStorage>()
         : sp.GetRequiredService<LocalFileStorage>());
 
-// ---------- OCR 识别（默认占位，接入阿里云/百度 OCR 时替换实现） ----------
-builder.Services.AddSingleton<IOcrService, DisabledOcrService>();
+// ---------- OCR 识别（阿里云市场身份证识别：Ocr:Provider=aliyun 时启用，否则占位提示） ----------
+builder.Services.AddHttpClient("ocr", c => c.Timeout = TimeSpan.FromSeconds(30));
+builder.Services.AddSingleton<IOcrService>(sp =>
+{
+    var cfg = sp.GetRequiredService<IConfiguration>();
+    return string.Equals(cfg["Ocr:Provider"], "aliyun", StringComparison.OrdinalIgnoreCase)
+        ? new AliyunOcrService(cfg, sp.GetRequiredService<IHttpClientFactory>(), sp.GetRequiredService<IFileStorage>())
+        : new DisabledOcrService(cfg);
+});
 
 // ---------- 手机传图上传会话 ----------
 builder.Services.AddSingleton<MobileUploadSessionStore>();
@@ -107,6 +114,7 @@ try
     var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
     db.Database.EnsureCreated();
     await SchemaMigrator.EnsureColumnsAsync(db);
+    await SchemaMigrator.EnsureSystemTablesAsync(db);
     await SchemaMigrator.EnsureRegionsTableAsync(db);
     DbSeeder.Seed(db);
     app.Logger.LogInformation("数据库初始化完成");