feat: add providers CLI and multi-account onboarding

src/imessage/accounts.ts

@@ -0,0 +1,74 @@
+import type { ClawdbotConfig } from "../config/config.js";
+import type { IMessageAccountConfig } from "../config/types.js";
+import {
+  DEFAULT_ACCOUNT_ID,
+  normalizeAccountId,
+} from "../routing/session-key.js";
+
+export type ResolvedIMessageAccount = {
+  accountId: string;
+  enabled: boolean;
+  name?: string;
+  config: IMessageAccountConfig;
+};
+
+function listConfiguredAccountIds(cfg: ClawdbotConfig): string[] {
+  const accounts = cfg.imessage?.accounts;
+  if (!accounts || typeof accounts !== "object") return [];
+  return Object.keys(accounts).filter(Boolean);
+}
+
+export function listIMessageAccountIds(cfg: ClawdbotConfig): string[] {
+  const ids = listConfiguredAccountIds(cfg);
+  if (ids.length === 0) return [DEFAULT_ACCOUNT_ID];
+  return ids.sort((a, b) => a.localeCompare(b));
+}
+
+export function resolveDefaultIMessageAccountId(cfg: ClawdbotConfig): string {
+  const ids = listIMessageAccountIds(cfg);
+  if (ids.includes(DEFAULT_ACCOUNT_ID)) return DEFAULT_ACCOUNT_ID;
+  return ids[0] ?? DEFAULT_ACCOUNT_ID;
+}
+
+function resolveAccountConfig(
+  cfg: ClawdbotConfig,
+  accountId: string,
+): IMessageAccountConfig | undefined {
+  const accounts = cfg.imessage?.accounts;
+  if (!accounts || typeof accounts !== "object") return undefined;
+  return accounts[accountId] as IMessageAccountConfig | undefined;
+}
+
+function mergeIMessageAccountConfig(
+  cfg: ClawdbotConfig,
+  accountId: string,
+): IMessageAccountConfig {
+  const { accounts: _ignored, ...base } = (cfg.imessage ??
+    {}) as IMessageAccountConfig & { accounts?: unknown };
+  const account = resolveAccountConfig(cfg, accountId) ?? {};
+  return { ...base, ...account };
+}
+
+export function resolveIMessageAccount(params: {
+  cfg: ClawdbotConfig;
+  accountId?: string | null;
+}): ResolvedIMessageAccount {
+  const accountId = normalizeAccountId(params.accountId);
+  const baseEnabled = params.cfg.imessage?.enabled !== false;
+  const merged = mergeIMessageAccountConfig(params.cfg, accountId);
+  const accountEnabled = merged.enabled !== false;
+  return {
+    accountId,
+    enabled: baseEnabled && accountEnabled,
+    name: merged.name?.trim() || undefined,
+    config: merged,
+  };
+}
+
+export function listEnabledIMessageAccounts(
+  cfg: ClawdbotConfig,
+): ResolvedIMessageAccount[] {
+  return listIMessageAccountIds(cfg)
+    .map((accountId) => resolveIMessageAccount({ cfg, accountId }))
+    .filter((account) => account.enabled);
+}