feat(runtime-adapters): Add runtime environment availability check and logger output; normalize runtime version strings

ts/tstest.classes.runtime.deno.ts

@@ -67,11 +67,11 @@ export class DenoRuntimeAdapter extends RuntimeAdapter {
 
       // Parse Deno version from output (first line is "deno X.Y.Z")
       const versionMatch = result.stdout.match(/deno (\d+\.\d+\.\d+)/);
-      const version = versionMatch ? versionMatch[1] : 'unknown';
+      const version = versionMatch ? `v${versionMatch[1]}` : 'unknown';
 
       return {
         available: true,
-        version: `Deno ${version}`,
+        version: version,
       };
     } catch (error) {
       return {