feat: introduced omptype validation package and migrated workspace dependencies

- Introduce `@oh-my-pi/omptype` as a new ArkType-compatible schema validation package featuring a lazy JIT runtime, JSON Schema emission, and compatibility adapters.
- Replace `arktype` across workspace packages and test utilities with `@oh-my-pi/omptype`.
- Add benchmark suites, tests, and documentation for the new validation engine and adapters.
- Update workspace build, test runner, and release configurations to include the new package.

packages/coding-agent/scripts/legacy-pi-virtual-module.ts

@@ -24,7 +24,7 @@ const BUNDLED_PACKAGES: readonly BundledPackage[] = [
 ];
 
 const TYPEBOX_MODULE_KEY = "typebox";
-const TYPEBOX_SHIM = "typebox.ts";
+const TYPEBOX_COMPAT_MODULE = "legacy-typebox.ts";
 const SKIPPED_WILDCARD_BASENAMES = new Set(["index"]);
 const MAIN_THREAD_UNSAFE_WILDCARD_BASENAMES = new Set(["worker-entry"]);
 
@@ -172,7 +172,7 @@ export async function collectBundledPiEntries(): Promise<BundledPiEntry[]> {
 		}
 	}
 
-	addEntry(TYPEBOX_MODULE_KEY, "bundledTypeBoxShim", shimSpecifier(TYPEBOX_SHIM));
+	addEntry(TYPEBOX_MODULE_KEY, "bundledTypeBoxShim", shimSpecifier(TYPEBOX_COMPAT_MODULE));
 	return entries;
 }