milestone 30: overview as a dashboard, explicit health contract, period aggregations

src/tests.zig

@@ -77,11 +77,9 @@ comptime {
     _ = @import("cache/dns_cache.zig");
     _ = @import("server/rate_limiter.zig");
     _ = @import("storage/repositories/queries_repo.zig");
-    _ = @import("storage/repositories/upstream_history_repo.zig");
     _ = @import("storage/repositories/events_repo.zig");
     _ = @import("storage/events.zig");
     _ = @import("storage/events_fixture.zig");
-    _ = @import("upstream/history.zig");
     _ = @import("storage/logger.zig");
     _ = @import("platform/statfs.zig");
     _ = @import("storage/disk_monitor.zig");
@@ -109,7 +107,6 @@ comptime {
     _ = @import("web/handlers/queries.zig");
     _ = @import("web/handlers/diagnostics.zig");
     _ = @import("web/handlers/lookup.zig");
-    _ = @import("web/handlers/upstream_health.zig");
     _ = @import("web/handlers/health.zig");
     _ = @import("web/handlers/version.zig");
     _ = @import("web/handlers/mutations.zig");