fix: msteams attachments + plugin prompt hints

Co-authored-by: Christof <10854026+Evizero@users.noreply.github.com>

extensions/msteams/src/monitor-handler/inbound-media.ts

@@ -1,7 +1,7 @@
 import {
   buildMSTeamsGraphMessageUrls,
+  downloadMSTeamsAttachments,
   downloadMSTeamsGraphMedia,
-  downloadMSTeamsImageAttachments,
   type MSTeamsAccessTokenProvider,
   type MSTeamsAttachmentLike,
   type MSTeamsHtmlAttachmentSummary,
@@ -24,6 +24,8 @@ export async function resolveMSTeamsInboundMedia(params: {
   conversationMessageId?: string;
   activity: Pick<MSTeamsTurnContext["activity"], "id" | "replyToId" | "channelData">;
   log: MSTeamsLogger;
+  /** When true, embeds original filename in stored path for later extraction. */
+  preserveFilenames?: boolean;
 }): Promise<MSTeamsInboundMedia[]> {
   const {
     attachments,
@@ -36,13 +38,15 @@ export async function resolveMSTeamsInboundMedia(params: {
     conversationMessageId,
     activity,
     log,
+    preserveFilenames,
   } = params;
 
-  let mediaList = await downloadMSTeamsImageAttachments({
+  let mediaList = await downloadMSTeamsAttachments({
     attachments,
     maxBytes,
     tokenProvider,
     allowHosts,
+    preserveFilenames,
   });
 
   if (mediaList.length === 0) {
@@ -81,6 +85,7 @@ export async function resolveMSTeamsInboundMedia(params: {
             tokenProvider,
             maxBytes,
             allowHosts,
+            preserveFilenames,
           });
           attempts.push({
             url: messageUrl,
@@ -104,7 +109,7 @@ export async function resolveMSTeamsInboundMedia(params: {
   }
 
   if (mediaList.length > 0) {
-    log.debug("downloaded image attachments", { count: mediaList.length });
+    log.debug("downloaded attachments", { count: mediaList.length });
   } else if (htmlSummary?.imgTags) {
     log.debug("inline images detected but none downloaded", {
       imgTags: htmlSummary.imgTags,

extensions/msteams/src/monitor-handler/message-handler.ts

@@ -402,7 +402,8 @@ export function createMSTeamsMessageHandler(deps: MSTeamsMessageHandlerDeps) {
         channelData: activity.channelData,
       },
       log,
-	    });
+      preserveFilenames: cfg.media?.preserveFilenames,
+    });
 
 	    const mediaPayload = buildMSTeamsMediaPayload(mediaList);
 	    const envelopeFrom = isDirectMessage ? senderName : conversationType;
@@ -476,6 +477,7 @@ export function createMSTeamsMessageHandler(deps: MSTeamsMessageHandlerDeps) {
 
     logVerboseMessage(`msteams inbound: from=${ctxPayload.From} preview="${preview}"`);
 
+    const sharePointSiteId = msteamsCfg?.sharePointSiteId;
     const { dispatcher, replyOptions, markDispatchIdle } = createMSTeamsReplyDispatcher({
       cfg,
       agentId: route.agentId,
@@ -492,6 +494,8 @@ export function createMSTeamsMessageHandler(deps: MSTeamsMessageHandlerDeps) {
           recordMSTeamsSentMessage(conversationId, id);
         }
       },
+      tokenProvider,
+      sharePointSiteId,
     });
 
     log.info("dispatching to agent", { sessionKey: route.sessionKey });