preview_llm_client.py and _llm_http.py both use requests.post() without verify=, causing SSLError when corporate CA not in trust store. Added _get_verify() helper that reads LLM_SSL_VERIFY env var.
preview_llm_client.py and _llm_http.py both use requests.post() without verify=, causing SSLError when corporate CA not in trust store. Added _get_verify() helper that reads LLM_SSL_VERIFY env var.