fix: publish GitHub review replies without pending drafts (#2378)

Co-authored-by: @mrubens <2600+mrubens@users.noreply.github.com>

Author: roomote-roomote[bot]

apps/worker/src/mcp/roomote-mcp-server/index.ts

@@ -947,7 +947,7 @@ roomoteMcpServer.registerTool(
         .string()
         .optional()
         .describe(
-          'Required for dismiss_pull_request_review: the review id from list_pull_request_comments.',
+          'Required for dismiss_pull_request_review. Optional for submit_pull_request_review on GitHub: a positive numeric review id explicitly selects an existing pending review to publish, including its draft comments. Omit to create a new review; existing drafts are never selected automatically. Other providers do not support submission by reviewId.',
         ),
       resolved: z
         .boolean()