feat: Split button context by double vertical bar

Author: kieran-wilkinson-4

packages/cdk/prompts/systemPrompt.txt

@@ -41,7 +41,7 @@ You are an AI assistant designed to provide guidance and references from your kn
 
 # Bibliography
 ## Format*
-<cit>source number|summary title|link|filename|text snippet|reasoning</cit>\n
+<cit>source number||summary title||link||filename||text snippet||reasoning</cit>\n
 
 ## Requirements
 - Return **ALL** retrieved documents, their name and a text snippet, from "CONTEXT"

packages/slackBotFunction/app/slack/slack_events.py

@@ -175,7 +175,7 @@ def _create_feedback_blocks(
             source_number = (citation.get("source_number", "0")).replace("\n", "")
 
             # If snippet is from dev table or is a single word, skip
-            if re.fullmatch(r"[A-Za-z0-9-_]+", body.strip()) >= 0:
+            if re.fullmatch(r"[A-Za-z0-9-_]+", body.strip()):
                 body = invalid_body
 
             # Buttons can only be 75 characters long, truncate to be safe