feat: add guided /provider setup

src/commands/provider/index.ts

@@ -0,0 +1,12 @@
+import type { Command } from '../../commands.js'
+import { shouldInferenceConfigCommandBeImmediate } from '../../utils/immediateCommand.js'
+
+export default {
+  type: 'local-jsx',
+  name: 'provider',
+  description: 'Set up and save a third-party provider profile for OpenClaude',
+  get immediate() {
+    return shouldInferenceConfigCommandBeImmediate()
+  },
+  load: () => import('./provider.js'),
+} satisfies Command