milestone 7: serving pipeline, client tracking, pause and lifecycle

src/tests.zig

@@ -72,6 +72,10 @@ comptime {
     _ = @import("platform/logging.zig");
     _ = @import("storage/retention.zig");
     _ = @import("storage/phase6_integration_test.zig");
+    _ = @import("server/pause.zig");
+    _ = @import("server/clients.zig");
+    _ = @import("server/shutdown.zig");
+    _ = @import("server/phase7_integration_test.zig");
 }
 
 extern fn sqlite3_libversion() [*:0]const u8;