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fix: make JSON structure explicit in system prompt

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Daniel Busse
2026-06-22 21:46:14 -06:00
parent 67e0229492
commit d1d1813403
1 changed files with 11 additions and 1 deletions
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backend/app/services/ai/prompts.py
+11 -1
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@@ -26,7 +26,17 @@ SYSTEM_PROMPT = (
"You always respond with a single valid JSON object — no markdown fences, no " "You always respond with a single valid JSON object — no markdown fences, no "
"preamble, no commentary outside the JSON. Your card names must exactly match " "preamble, no commentary outside the JSON. Your card names must exactly match "
"official Magic card names (English). Every card must be legal in Commander " "official Magic card names (English). Every card must be legal in Commander "
"and within the commander's colour identity." "and within the commander's colour identity.\n\n"
"CRITICAL: Your response must use EXACTLY this JSON structure:\n"
"{\n"
' "deck_name": "string",\n'
' "strategy_summary": "string",\n'
' "cards": [\n'
' {"name": "Card Name", "slot": "creature|instant|sorcery|enchantment|artifact|planeswalker|land|battle", "quantity": 1, "reasoning": "..."}\n'
" ],\n"
' "cuts": []\n'
"}\n"
"Do NOT use any other key names. The cards array must contain exactly the non-commander cards."
) )