feat: add module database ABI v1 adapters

scripts/check-boundaries.ts

@@ -147,6 +147,16 @@ const DEPENDENCY_FIELDS = [
   "optionalDependencies",
   "peerDependencies",
 ] as const;
+
+/**
+ * Runtime peers whose identity is deliberately supplied by the final consumer. The sole entry is
+ * the module-side Drizzle adapter: a module chooses and bundles its own compatible Drizzle runtime,
+ * while Core must never select one for it. Keep this exception package-and-dependency specific;
+ * ordinary workspace packages still need production dependencies for runtime imports.
+ */
+const CONSUMER_SELECTED_RUNTIME_PEERS = new Map<string, ReadonlySet<string>>([
+  ["@ekklesia/module-database", new Set(["drizzle-orm"])],
+]);
 const SHARED_PACKAGE_ROLES = new Set([
   "api-client",
   "auth-client",
@@ -1006,7 +1016,9 @@ export async function checkBoundaries(rootDirectory: string): Promise<BoundaryRe
           dependencyName === runtimePackage.name ||
           NODE_BUILTIN_MODULES.has(dependencyName) ||
           manifest.dependencies?.[dependencyName] !== undefined ||
-          manifest.optionalDependencies?.[dependencyName] !== undefined
+          manifest.optionalDependencies?.[dependencyName] !== undefined ||
+          (manifest.peerDependencies?.[dependencyName] !== undefined &&
+            CONSUMER_SELECTED_RUNTIME_PEERS.get(runtimePackage.name)?.has(dependencyName) === true)
         ) {
           continue;
         }