fix(wechat): avoid image_url session poison on report follow-ups

Store image-only WeChat messages without running Agent, scrub assistant image_url history, and retry historical-image failures with text-only prompts. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-15 08:21:28 +08:00
parent 4c2bc95462
commit 67b9478155
6 changed files with 147 additions and 127 deletions
@@ -2009,6 +2009,17 @@ export function createTkmindProxy({
        error.code = 'HISTORICAL_IMAGE_SESSION_UPDATE_UNSUPPORTED';
        throw error;
      }
+      if (
+        requireHistoricalImageIsolation
+        && imageIsolation.hasImageUrlContent
+        && !imageIsolation.updated
+      ) {
+        const error = new Error(
+          `historical_image_session_update_unsupported:${imageIsolation.status ?? 'image_url_content_present'}`,
+        );
+        error.code = 'HISTORICAL_IMAGE_SESSION_UPDATE_UNSUPPORTED';
+        throw error;
+      }
    }
    let finalUserMessage = userMessage;
    if (llmProviderService && messageHasImages(userMessage) && await llmProviderService.hasVisionKey()) {