fix: add per-channel markdown table conversion (#1495) (thanks @odysseus0)

extensions/mattermost/src/config-schema.ts

@@ -4,6 +4,7 @@ import {
   BlockStreamingCoalesceSchema,
   DmPolicySchema,
   GroupPolicySchema,
+  MarkdownConfigSchema,
   requireOpenAllowFrom,
 } from "clawdbot/plugin-sdk";
 
@@ -11,6 +12,7 @@ const MattermostAccountSchemaBase = z
   .object({
     name: z.string().optional(),
     capabilities: z.array(z.string()).optional(),
+    markdown: MarkdownConfigSchema,
     enabled: z.boolean().optional(),
     configWrites: z.boolean().optional(),
     botToken: z.string().optional(),

extensions/mattermost/src/mattermost/monitor.ts

@@ -707,6 +707,11 @@ export async function monitorMattermostProvider(opts: MonitorMattermostOpts = {}
     const textLimit = core.channel.text.resolveTextChunkLimit(cfg, "mattermost", account.accountId, {
       fallbackLimit: account.textChunkLimit ?? 4000,
     });
+    const tableMode = core.channel.text.resolveMarkdownTableMode({
+      cfg,
+      channel: "mattermost",
+      accountId: account.accountId,
+    });
 
     let prefixContext: ResponsePrefixContext = {
       identityName: resolveIdentityName(cfg, route.agentId),
@@ -720,7 +725,7 @@ export async function monitorMattermostProvider(opts: MonitorMattermostOpts = {}
         humanDelay: core.channel.reply.resolveHumanDelayConfig(cfg, route.agentId),
         deliver: async (payload: ReplyPayload) => {
           const mediaUrls = payload.mediaUrls ?? (payload.mediaUrl ? [payload.mediaUrl] : []);
-          const text = payload.text ?? "";
+          const text = core.channel.text.convertMarkdownTables(payload.text ?? "", tableMode);
           if (mediaUrls.length === 0) {
             const chunks = core.channel.text.chunkMarkdownText(text, textLimit);
             for (const chunk of chunks.length > 0 ? chunks : [text]) {

extensions/mattermost/src/mattermost/send.ts

@@ -181,6 +181,15 @@ export async function sendMessageMattermost(
     }
   }
 
+  if (message) {
+    const tableMode = core.channel.text.resolveMarkdownTableMode({
+      cfg,
+      channel: "mattermost",
+      accountId: account.accountId,
+    });
+    message = core.channel.text.convertMarkdownTables(message, tableMode);
+  }
+
   if (!message && (!fileIds || fileIds.length === 0)) {
     if (uploadError) {
       throw new Error(`Mattermost media upload failed: ${uploadError.message}`);
@@ -205,4 +214,4 @@ export async function sendMessageMattermost(
     messageId: post.id ?? "unknown",
     channelId,
   };
-}
+}