fix: restore implicit providers + copilot auth choice

src/commands/auth-choice.ts

@@ -21,6 +21,7 @@ import { loadModelCatalog } from "../agents/model-catalog.js";
 import { resolveConfiguredModelRef } from "../agents/model-selection.js";
 import type { ClawdbotConfig } from "../config/config.js";
 import { upsertSharedEnvVar } from "../infra/env-file.js";
+import { githubCopilotLoginCommand } from "../providers/github-copilot-auth.js";
 import type { RuntimeEnv } from "../runtime.js";
 import type { WizardPrompter } from "../wizard/prompts.js";
 import {
@@ -931,6 +932,61 @@ export async function applyAuthChoice(params: {
       agentModelOverride = modelRef;
       await noteAgentModel(modelRef);
     }
+  } else if (params.authChoice === "github-copilot") {
+    await params.prompter.note(
+      [
+        "This will open a GitHub device login to authorize Copilot.",
+        "Requires an active GitHub Copilot subscription.",
+      ].join("\n"),
+      "GitHub Copilot",
+    );
+
+    if (!process.stdin.isTTY) {
+      await params.prompter.note(
+        "GitHub Copilot login requires an interactive TTY.",
+        "GitHub Copilot",
+      );
+      return { config: nextConfig, agentModelOverride };
+    }
+
+    try {
+      await githubCopilotLoginCommand({ yes: true }, params.runtime);
+    } catch (err) {
+      await params.prompter.note(
+        `GitHub Copilot login failed: ${String(err)}`,
+        "GitHub Copilot",
+      );
+      return { config: nextConfig, agentModelOverride };
+    }
+
+    nextConfig = applyAuthProfileConfig(nextConfig, {
+      profileId: "github-copilot:github",
+      provider: "github-copilot",
+      mode: "token",
+    });
+
+    if (params.setDefaultModel) {
+      const model = "github-copilot/gpt-4o";
+      nextConfig = {
+        ...nextConfig,
+        agents: {
+          ...nextConfig.agents,
+          defaults: {
+            ...nextConfig.agents?.defaults,
+            model: {
+              ...(typeof nextConfig.agents?.defaults?.model === "object"
+                ? nextConfig.agents.defaults.model
+                : undefined),
+              primary: model,
+            },
+          },
+        },
+      };
+      await params.prompter.note(
+        `Default model set to ${model}`,
+        "Model configured",
+      );
+    }
   } else if (params.authChoice === "minimax") {
     if (params.setDefaultModel) {
       nextConfig = applyMinimaxConfig(nextConfig);
@@ -1018,6 +1074,8 @@ export function resolvePreferredProviderForAuthChoice(
       return "google-antigravity";
     case "synthetic-api-key":
       return "synthetic";
+    case "github-copilot":
+      return "github-copilot";
     case "minimax-cloud":
     case "minimax-api":
     case "minimax-api-lightning":