fix: universal parsing + OpenRouter + state bug — purpose_agent/llm_backend.py

purpose_agent/llm_backend.py

@@ -391,6 +391,7 @@ _PROVIDER_MAP = {
     "deepseek":  ("https://api.deepseek.com/v1", "DEEPSEEK_API_KEY"),
     "mistral":   ("https://api.mistral.ai/v1", "MISTRAL_API_KEY"),
     "cerebras":  ("https://api.cerebras.ai/v1", "CEREBRAS_API_KEY"),
+    "openrouter": ("https://openrouter.ai/api/v1", "OPENROUTER_API_KEY"),
 }