refactor: delete the compatibility config surface

packages/cli/src/index.ts

@@ -72,8 +72,6 @@ Usage:
                                              Run unit | component | api | browser | visual | accessibility | performance
   wrnexus profiles [app-dir]            List config profiles (dev/prod/uat/…) and their env files
   wrnexus doctor [app-dir] [--fix]      Check project health; optionally apply safe repairs
-  wrnexus compatibility <check|explain|upgrade> [app-dir]
-                                             Inspect or explicitly upgrade behavior defaults
   wrnexus contracts <check|snapshot> [app-dir]
                                              Detect breaking boundary contract changes
   wrnexus security <audit|headers|test> [app-dir]
@@ -292,16 +290,6 @@ async function main(): Promise<void> {
       if (!healthy) process.exitCode = 1;
       break;
     }
-    case "compatibility": {
-      const { runCompatibilityCommand } = await import("./compatibility-command.ts");
-      const subcommand = rest.find((value) => !value.startsWith("--")) ?? "check";
-      const appRoot = rest.filter((value) => !value.startsWith("--"))[1] ?? ".";
-      if (!["check", "explain", "upgrade"].includes(subcommand))
-        throw new Error(`WRN-COMPATIBILITY-COMMAND: unknown command '${subcommand}'.`);
-      const current = await runCompatibilityCommand(appRoot, subcommand, rest);
-      if (!current && subcommand !== "explain") process.exitCode = 1;
-      break;
-    }
     case "contracts": {
       const { runContractsCommand } = await import("./contracts-command.ts");
       const subcommand = rest.find((value) => !value.startsWith("--")) ?? "check";