feat(feishu): sync with clawdbot-feishu #137 (multi-account support)

- Sync latest changes from clawdbot-feishu including multi-account support
- Add eslint-disable comments for SDK-related any types
- Remove unused imports
- Fix no-floating-promises in monitor.ts

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

extensions/feishu/src/config-schema.ts

@@ -83,9 +83,48 @@ export const FeishuGroupSchema = z
   })
   .strict();
 
+/**
+ * Per-account configuration.
+ * All fields are optional - missing fields inherit from top-level config.
+ */
+export const FeishuAccountConfigSchema = z
+  .object({
+    enabled: z.boolean().optional(),
+    name: z.string().optional(), // Display name for this account
+    appId: z.string().optional(),
+    appSecret: z.string().optional(),
+    encryptKey: z.string().optional(),
+    verificationToken: z.string().optional(),
+    domain: FeishuDomainSchema.optional(),
+    connectionMode: FeishuConnectionModeSchema.optional(),
+    webhookPath: z.string().optional(),
+    webhookPort: z.number().int().positive().optional(),
+    capabilities: z.array(z.string()).optional(),
+    markdown: MarkdownConfigSchema,
+    configWrites: z.boolean().optional(),
+    dmPolicy: DmPolicySchema.optional(),
+    allowFrom: z.array(z.union([z.string(), z.number()])).optional(),
+    groupPolicy: GroupPolicySchema.optional(),
+    groupAllowFrom: z.array(z.union([z.string(), z.number()])).optional(),
+    requireMention: z.boolean().optional(),
+    groups: z.record(z.string(), FeishuGroupSchema.optional()).optional(),
+    historyLimit: z.number().int().min(0).optional(),
+    dmHistoryLimit: z.number().int().min(0).optional(),
+    dms: z.record(z.string(), DmConfigSchema).optional(),
+    textChunkLimit: z.number().int().positive().optional(),
+    chunkMode: z.enum(["length", "newline"]).optional(),
+    blockStreamingCoalesce: BlockStreamingCoalesceSchema,
+    mediaMaxMb: z.number().positive().optional(),
+    heartbeat: ChannelHeartbeatVisibilitySchema,
+    renderMode: RenderModeSchema,
+    tools: FeishuToolsConfigSchema,
+  })
+  .strict();
+
 export const FeishuConfigSchema = z
   .object({
     enabled: z.boolean().optional(),
+    // Top-level credentials (backward compatible for single-account mode)
     appId: z.string().optional(),
     appSecret: z.string().optional(),
     encryptKey: z.string().optional(),
@@ -113,6 +152,8 @@ export const FeishuConfigSchema = z
     heartbeat: ChannelHeartbeatVisibilitySchema,
     renderMode: RenderModeSchema, // raw = plain text (default), card = interactive card with markdown
     tools: FeishuToolsConfigSchema,
+    // Multi-account configuration
+    accounts: z.record(z.string(), FeishuAccountConfigSchema.optional()).optional(),
   })
   .strict()
   .superRefine((value, ctx) => {