fix: allow agent workspace directories in media local roots (#17136)

Merged via /review-pr -> /prepare-pr -> /merge-pr.

Prepared head SHA: 7545ef1e19
Co-authored-by: MisterGuy420 <255743668+MisterGuy420@users.noreply.github.com>
Co-authored-by: gumadeiras <5599352+gumadeiras@users.noreply.github.com>
Reviewed-by: @gumadeiras

src/discord/monitor/native-command.ts

@@ -34,6 +34,7 @@ import { finalizeInboundContext } from "../../auto-reply/reply/inbound-context.j
 import { dispatchReplyWithDispatcher } from "../../auto-reply/reply/provider-dispatcher.js";
 import { resolveCommandAuthorizedFromAuthorizers } from "../../channels/command-gating.js";
 import { createReplyPrefixOptions } from "../../channels/reply-prefix.js";
+import { getAgentScopedMediaLocalRoots } from "../../media/local-roots.js";
 import { buildPairingReply } from "../../pairing/pairing-messages.js";
 import {
   readChannelAllowFromStore,
@@ -814,6 +815,7 @@ async function dispatchDiscordCommandInteraction(params: {
     channel: "discord",
     accountId: route.accountId,
   });
+  const mediaLocalRoots = getAgentScopedMediaLocalRoots(cfg, route.agentId);
 
   let didReply = false;
   await dispatchReplyWithDispatcher({
@@ -827,6 +829,7 @@ async function dispatchDiscordCommandInteraction(params: {
           await deliverDiscordInteractionReply({
             interaction,
             payload,
+            mediaLocalRoots,
             textLimit: resolveTextChunkLimit(cfg, "discord", accountId, {
               fallbackLimit: 2000,
             }),
@@ -861,6 +864,7 @@ async function dispatchDiscordCommandInteraction(params: {
 async function deliverDiscordInteractionReply(params: {
   interaction: CommandInteraction | ButtonInteraction;
   payload: ReplyPayload;
+  mediaLocalRoots?: readonly string[];
   textLimit: number;
   maxLinesPerMessage?: number;
   preferFollowUp: boolean;
@@ -899,7 +903,9 @@ async function deliverDiscordInteractionReply(params: {
   if (mediaList.length > 0) {
     const media = await Promise.all(
       mediaList.map(async (url) => {
-        const loaded = await loadWebMedia(url);
+        const loaded = await loadWebMedia(url, {
+          localRoots: params.mediaLocalRoots,
+        });
         return {
           name: loaded.fileName ?? "upload",
           data: loaded.buffer,

src/discord/send.outbound.ts

@@ -39,6 +39,7 @@ type DiscordSendOpts = {
   token?: string;
   accountId?: string;
   mediaUrl?: string;
+  mediaLocalRoots?: readonly string[];
   verbose?: boolean;
   rest?: RequestClient;
   replyTo?: string;
@@ -140,6 +141,7 @@ export async function sendMessageDiscord(
           threadId,
           mediaCaption ?? "",
           opts.mediaUrl,
+          opts.mediaLocalRoots,
           undefined,
           request,
           accountInfo.config.maxLinesPerMessage,
@@ -203,6 +205,7 @@ export async function sendMessageDiscord(
         channelId,
         textWithTables,
         opts.mediaUrl,
+        opts.mediaLocalRoots,
         opts.replyTo,
         request,
         accountInfo.config.maxLinesPerMessage,

src/discord/send.shared.ts

@@ -312,6 +312,7 @@ async function sendDiscordMedia(
   channelId: string,
   text: string,
   mediaUrl: string,
+  mediaLocalRoots: readonly string[] | undefined,
   replyTo: string | undefined,
   request: DiscordRequest,
   maxLinesPerMessage?: number,
@@ -319,7 +320,7 @@ async function sendDiscordMedia(
   chunkMode?: ChunkMode,
   silent?: boolean,
 ) {
-  const media = await loadWebMedia(mediaUrl);
+  const media = await loadWebMedia(mediaUrl, { localRoots: mediaLocalRoots });
   const chunks = text ? buildDiscordTextChunks(text, { maxLinesPerMessage, chunkMode }) : [];
   const caption = chunks[0] ?? "";
   const hasCaption = caption.trim().length > 0;