Switch manifest serialization to CBOR

Replace JSON-based bundle manifest with a CBOR-encoded format. The manifest
is now a canonical CBOR map with order-strict key decoding, raw 32-byte hash
payloads (instead of hex-encoded JSON), and compact binary representation.

flake.nix

@@ -18,9 +18,14 @@
 
         tricuStatic = hsLib.justStaticExecutables self.packages.${system}.default;
 
-        tricuPackage =
+        tricuPackageTests =
           haskellPackages.callCabal2nix packageName self {};
 
+        tricuPackage =
+          hsLib.dontCheck (
+            haskellPackages.callCabal2nix packageName self {}
+          );
+
         customGHC = haskellPackages.ghcWithPackages (hpkgs: with hpkgs; [
           megaparsec
         ]);
@@ -28,8 +33,8 @@
         packages.${packageName} = tricuPackage;
         packages.default = tricuPackage;
 
-        checks.${packageName} = tricuPackage;
-        checks.default = tricuPackage;
+        checks.${packageName} = tricuPackageTests;
+        checks.default = tricuPackageTests;
 
         defaultPackage = self.packages.${system}.default;