fix: remove Picser upload, use Discord URLs directly

- Skip attachment download/upload to Picser (was failing with 400 errors)
- Store Discord's original attachment URLs directly as uploaded_url
- Mark attachments as immediately uploaded with Discord URL
- Remove processAttachmentUpload call and unused attachmentUploader import
- Eliminates slow upload cycle and API failures

This resolves:
- Attachment upload 400 errors
- Performance slowdown from failed upload retries
- Unnecessary network overhead

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/moderation/messageCapture.ts

@@ -1,9 +1,8 @@
 import type { Client, Message } from "discord.js-selfbot-v13";
 import { createChildLogger } from "../logger";
-import type { SqliteDatabase } from "../muxer-queue";
 import { config } from "../config";
+import type { SqliteDatabase } from "../muxer-queue";
 import { insertMessage, insertAttachment } from "./messageStore";
-import { processAttachmentUpload } from "./attachmentUploader";
 import { getDisplayContent, getMessageLocation, getMessageMetadata } from "./messageMetadata";
 import { queueMessageAnalysis } from "./aiAnalyzer";
 import type { MessageRecord, AttachmentRecord } from "./types";
@@ -59,17 +58,15 @@ export async function captureMessage(
         size: attachment.size,
         type: attachment.contentType || "application/octet-stream",
         discord_url: attachment.url,
-        uploaded_url: null,
+        uploaded_url: attachment.url,
-        upload_status: "pending",
+        upload_status: "uploaded",
         upload_error: null,
         created_at: Date.now(),
-        uploaded_at: null,
+        uploaded_at: Date.now(),
       };
 
       insertAttachment(db, attachmentRecord);
 
-      processAttachmentUpload(db, attachment.id, attachment.url, attachment.name || "unknown")
-        .then(() => {
       if (broadcaster.broadcastAttachmentUploaded) {
         broadcaster.broadcastAttachmentUploaded({
           id: attachment.id,
@@ -79,13 +76,6 @@ export async function captureMessage(
           created_at: Date.now(),
         });
       }
-        })
-        .catch((error) => {
-          logger.error(
-            { attachmentId: attachment.id, error: error instanceof Error ? error.message : String(error) },
-            "Background attachment upload failed",
-          );
-        });
     }
   }