chore: trim bloated dashboard, remove timeout-prone endpoints

Dashboard/DashboardApiExtensions.cs

@@ -81,25 +81,6 @@ public static WebApplication MapDashboardApi(this WebApplication app)
         })
         .CacheOutput(ShortCachePolicyName);
 
-        api.MapGet("/global-overview", async (
-            int? days,
-            DateTime? startDate,
-            DateTime? endDate,
-            string? view,
-            DashboardStatsService statsService,
-            CancellationToken cancellationToken) =>
-        {
-            DashboardGlobalOverviewResponse overview = await statsService.GetGlobalOverviewAsync(
-                days ?? 30,
-                view,
-                startDate,
-                endDate,
-                cancellationToken);
-
-            return Results.Ok(overview);
-        })
-        .CacheOutput(ShortCachePolicyName);
-
         api.MapGet("/guilds", async (
             DashboardStatsService statsService,
             CancellationToken cancellationToken) =>
@@ -130,95 +111,8 @@ public static WebApplication MapDashboardApi(this WebApplication app)
         })
         .CacheOutput(SelectorCachePolicyName);
 
-        api.MapGet("/activity", async (
-            int? guildId,
-            int? userId,
-            string? channelId,
-            int? days,
-            DateTime? startDate,
-            DateTime? endDate,
-            DashboardStatsService statsService,
-            CancellationToken cancellationToken) =>
-        {
-            if (HasInvalidDiscordId(channelId))
-                return Results.BadRequest(new { error = "channelId must be a positive numeric Discord id." });
-
-            DashboardActivitySeriesResponse series = await statsService.GetActivitySeriesAsync(
-                guildId,
-                days ?? 30,
-                userId,
-                channelId,
-                startDate,
-                endDate,
-                cancellationToken);
-
-            return Results.Ok(series);
-        })
-        .CacheOutput(ShortCachePolicyName);
-
-        api.MapGet("/leaderboard", async (
-            int? guildId,
-            int? userId,
-            string? channelId,
-            string? metric,
-            int? days,
-            DateTime? startDate,
-            DateTime? endDate,
-            int? limit,
-            DashboardStatsService statsService,
-            CancellationToken cancellationToken) =>
-        {
-            if (HasInvalidDiscordId(channelId))
-                return Results.BadRequest(new { error = "channelId must be a positive numeric Discord id." });
-
-            DashboardLeaderboardResponse leaderboard = await statsService.GetActivityLeaderboardAsync(
-                guildId,
-                metric ?? "xp",
-                days,
-                limit ?? 10,
-                userId,
-                channelId,
-                startDate,
-                endDate,
-                cancellationToken);
-
-            return Results.Ok(leaderboard);
-        })
-        .CacheOutput(ShortCachePolicyName);
-
-        api.MapGet("/insights", async (
-            int? guildId,
-            int? userId,
-            string? channelId,
-            int? days,
-            string? scope,
-            string? view,
-            string? sortDirection,
-            int? minActivity,
-            DateTime? startDate,
-            DateTime? endDate,
-            DashboardStatsService statsService,
-            CancellationToken cancellationToken) =>
-        {
-            if (HasInvalidDiscordId(channelId))
-                return Results.BadRequest(new { error = "channelId must be a positive numeric Discord id." });
 
-            DashboardInsightsResponse insights = await statsService.GetInsightsAsync(
-                guildId,
-                userId,
-                channelId,
-                days ?? 30,
-                scope,
-                sortDirection,
-                minActivity,
-                view,
-                startDate,
-                endDate,
-                cancellationToken);
 
-            return Results.Ok(insights);
-        })
-        .CacheOutput(ShortCachePolicyName);
 
         api.MapGet("/quotes", async (
             int? guildId,