feat(feishu): replace built-in SDK with community plugin

Replace the built-in Feishu SDK with the community-maintained
clawdbot-feishu plugin by @m1heng.

Changes:
- Remove src/feishu/ directory (19 files)
- Remove src/channels/plugins/outbound/feishu.ts
- Remove src/channels/plugins/normalize/feishu.ts
- Remove src/config/types.feishu.ts
- Remove feishu exports from plugin-sdk/index.ts
- Remove FeishuConfig from types.channels.ts

New features in community plugin:
- Document tools (read/create/edit Feishu docs)
- Wiki tools (navigate/manage knowledge base)
- Drive tools (folder/file management)
- Bitable tools (read/write table records)
- Permission tools (collaborator management)
- Emoji reactions support
- Typing indicators
- Rich media support (bidirectional image/file transfer)
- @mention handling
- Skills for feishu-doc, feishu-wiki, feishu-drive, feishu-perm

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

extensions/feishu/src/accounts.ts

@@ -0,0 +1,53 @@
+import type { ClawdbotConfig } from "openclaw/plugin-sdk";
+import { DEFAULT_ACCOUNT_ID } from "openclaw/plugin-sdk";
+import type { FeishuConfig, FeishuDomain, ResolvedFeishuAccount } from "./types.js";
+
+export function resolveFeishuCredentials(cfg?: FeishuConfig): {
+  appId: string;
+  appSecret: string;
+  encryptKey?: string;
+  verificationToken?: string;
+  domain: FeishuDomain;
+} | null {
+  const appId = cfg?.appId?.trim();
+  const appSecret = cfg?.appSecret?.trim();
+  if (!appId || !appSecret) return null;
+  return {
+    appId,
+    appSecret,
+    encryptKey: cfg?.encryptKey?.trim() || undefined,
+    verificationToken: cfg?.verificationToken?.trim() || undefined,
+    domain: cfg?.domain ?? "feishu",
+  };
+}
+
+export function resolveFeishuAccount(params: {
+  cfg: ClawdbotConfig;
+  accountId?: string | null;
+}): ResolvedFeishuAccount {
+  const feishuCfg = params.cfg.channels?.feishu as FeishuConfig | undefined;
+  const enabled = feishuCfg?.enabled !== false;
+  const creds = resolveFeishuCredentials(feishuCfg);
+
+  return {
+    accountId: params.accountId?.trim() || DEFAULT_ACCOUNT_ID,
+    enabled,
+    configured: Boolean(creds),
+    appId: creds?.appId,
+    domain: creds?.domain ?? "feishu",
+  };
+}
+
+export function listFeishuAccountIds(_cfg: ClawdbotConfig): string[] {
+  return [DEFAULT_ACCOUNT_ID];
+}
+
+export function resolveDefaultFeishuAccountId(_cfg: ClawdbotConfig): string {
+  return DEFAULT_ACCOUNT_ID;
+}
+
+export function listEnabledFeishuAccounts(cfg: ClawdbotConfig): ResolvedFeishuAccount[] {
+  return listFeishuAccountIds(cfg)
+    .map((accountId) => resolveFeishuAccount({ cfg, accountId }))
+    .filter((account) => account.enabled && account.configured);
+}