feat(auth): wire Ollama into auth choice flow

- Add 'ollama' to AuthChoice type
- Add Ollama group to auth choice options and prompt
- Register Ollama handler in applyAuthChoice
- Map ollama auth choice to ollama provider

src/commands/auth-choice-options.ts

@@ -22,7 +22,8 @@ export type AuthChoiceGroupId =
   | "minimax"
   | "synthetic"
   | "venice"
-  | "qwen";
+  | "qwen"
+  | "ollama";
 
 export type AuthChoiceGroup = {
   value: AuthChoiceGroupId;
@@ -91,6 +92,12 @@ const AUTH_CHOICE_GROUP_DEFS: {
     hint: "API key",
     choices: ["openrouter-api-key"],
   },
+  {
+    value: "ollama",
+    label: "Ollama",
+    hint: "Open-source model runner",
+    choices: ["ollama"],
+  },
   {
     value: "ai-gateway",
     label: "Vercel AI Gateway",
@@ -238,6 +245,11 @@ export function buildAuthChoiceOptions(params: {
     label: "MiniMax M2.1 Lightning",
     hint: "Faster, higher output cost",
   });
+  options.push({
+    value: "ollama",
+    label: "Ollama",
+    hint: "Open-source model runner (llama, qwen, etc.)",
+  });
   if (params.includeSkip) {
     options.push({ value: "skip", label: "Skip for now" });
   }

src/commands/auth-choice-prompt.ts

@@ -44,6 +44,11 @@ export async function promptAuthChoiceGrouped(params: {
       continue;
     }
 
+    // Auto-select if there's only one option in the group
+    if (group.options.length === 1) {
+      return group.options[0].value;
+    }
+
     const methodSelection = (await params.prompter.select({
       message: `${group.label} auth method`,
       options: [...group.options, { value: BACK_VALUE, label: "Back" }],

src/commands/auth-choice.apply.ts

@@ -9,6 +9,7 @@ import { applyAuthChoiceGoogleAntigravity } from "./auth-choice.apply.google-ant
 import { applyAuthChoiceGoogleGeminiCli } from "./auth-choice.apply.google-gemini-cli.js";
 import { applyAuthChoiceMiniMax } from "./auth-choice.apply.minimax.js";
 import { applyAuthChoiceOAuth } from "./auth-choice.apply.oauth.js";
+import { applyAuthChoiceOllama } from "./auth-choice.apply.ollama.js";
 import { applyAuthChoiceOpenAI } from "./auth-choice.apply.openai.js";
 import { applyAuthChoiceQwenPortal } from "./auth-choice.apply.qwen-portal.js";
 import type { AuthChoice } from "./onboard-types.js";
@@ -46,6 +47,7 @@ export async function applyAuthChoice(
     applyAuthChoiceGoogleGeminiCli,
     applyAuthChoiceCopilotProxy,
     applyAuthChoiceQwenPortal,
+    applyAuthChoiceOllama,
   ];
 
   for (const handler of handlers) {

src/commands/auth-choice.preferred-provider.ts

@@ -28,6 +28,7 @@ const PREFERRED_PROVIDER_BY_AUTH_CHOICE: Partial<Record<AuthChoice, string>> = {
   minimax: "lmstudio",
   "opencode-zen": "opencode",
   "qwen-portal": "qwen-portal",
+  ollama: "ollama",
 };
 
 export function resolvePreferredProviderForAuthChoice(choice: AuthChoice): string | undefined {

src/commands/onboard-types.ts

@@ -31,6 +31,7 @@ export type AuthChoice =
   | "github-copilot"
   | "copilot-proxy"
   | "qwen-portal"
+  | "ollama"
   | "skip";
 export type GatewayAuthChoice = "off" | "token" | "password";
 export type ResetScope = "config" | "config+creds+sessions" | "full";