refactor(models): share auth helpers and forward-compat list fallbacks

src/commands/provider-auth-helpers.ts

@@ -0,0 +1,82 @@
+import type { OpenClawConfig } from "../config/config.js";
+import type { ProviderAuthMethod, ProviderPlugin } from "../plugins/types.js";
+import { normalizeProviderId } from "../agents/model-selection.js";
+
+export function resolveProviderMatch(
+  providers: ProviderPlugin[],
+  rawProvider?: string,
+): ProviderPlugin | null {
+  const raw = rawProvider?.trim();
+  if (!raw) {
+    return null;
+  }
+  const normalized = normalizeProviderId(raw);
+  return (
+    providers.find((provider) => normalizeProviderId(provider.id) === normalized) ??
+    providers.find(
+      (provider) =>
+        provider.aliases?.some((alias) => normalizeProviderId(alias) === normalized) ?? false,
+    ) ??
+    null
+  );
+}
+
+export function pickAuthMethod(
+  provider: ProviderPlugin,
+  rawMethod?: string,
+): ProviderAuthMethod | null {
+  const raw = rawMethod?.trim();
+  if (!raw) {
+    return null;
+  }
+  const normalized = raw.toLowerCase();
+  return (
+    provider.auth.find((method) => method.id.toLowerCase() === normalized) ??
+    provider.auth.find((method) => method.label.toLowerCase() === normalized) ??
+    null
+  );
+}
+
+function isPlainRecord(value: unknown): value is Record<string, unknown> {
+  return Boolean(value && typeof value === "object" && !Array.isArray(value));
+}
+
+export function mergeConfigPatch<T>(base: T, patch: unknown): T {
+  if (!isPlainRecord(base) || !isPlainRecord(patch)) {
+    return patch as T;
+  }
+
+  const next: Record<string, unknown> = { ...base };
+  for (const [key, value] of Object.entries(patch)) {
+    const existing = next[key];
+    if (isPlainRecord(existing) && isPlainRecord(value)) {
+      next[key] = mergeConfigPatch(existing, value);
+    } else {
+      next[key] = value;
+    }
+  }
+  return next as T;
+}
+
+export function applyDefaultModel(cfg: OpenClawConfig, model: string): OpenClawConfig {
+  const models = { ...cfg.agents?.defaults?.models };
+  models[model] = models[model] ?? {};
+
+  const existingModel = cfg.agents?.defaults?.model;
+  return {
+    ...cfg,
+    agents: {
+      ...cfg.agents,
+      defaults: {
+        ...cfg.agents?.defaults,
+        models,
+        model: {
+          ...(existingModel && typeof existingModel === "object" && "fallbacks" in existingModel
+            ? { fallbacks: (existingModel as { fallbacks?: string[] }).fallbacks }
+            : undefined),
+          primary: model,
+        },
+      },
+    },
+  };
+}