feat: deepseek

.env.example

@@ -5,6 +5,9 @@ OLLAMA_NUM_CTX=64512
 OPENAI_BASE_URL=https://api.openai.com/v1
 OPENAI_MODEL=gpt-5.4-mini
 OPENAI_API_KEY=
+DEEPSEEK_BASE_URL=https://api.deepseek.com
+DEEPSEEK_MODEL=deepseek-v4-flash
+DEEPSEEK_API_KEY=
 MODEL_REASONING_EFFORT=medium
 CODEX_COMMAND=codex
 CODEX_MODEL=gpt-5.4
@@ -17,5 +20,5 @@ UEX_SECRET_KEY=
 UEX_BEARER_TOKEN=
 TRADERAI_USER_NAME=
 TRADERAI_MEMORY_PATH=
-UEX_NOTIFICATION_POLL_SECONDS=60
+UEX_NOTIFICATION_POLL_SECONDS=300
 REQUIRE_WRITE_APPROVAL=true