multi issues fixed

app/services/agent_core.py

@@ -599,11 +599,27 @@ def _try_groq(prompt: str, system_instruction: str, temperature: float) -> objec
             model=model_name,
             messages=messages,
             temperature=temperature,
+            # No cap here previously -- run_agent's prompt asks for up to 25
+            # full company profiles (name/email/phone/subject/full email
+            # body each) in one completion, and Groq's provider default is
+            # well short of what that needs. Confirmed live 2026-09-18: a
+            # 200 OK response that still failed to parse, with 120b
+            # (dropped the truncation this caused on the smaller 20b too).
+            max_tokens=8000,
         )
         text = (response.choices[0].message.content or "") if response.choices else ""
         data = extract_json_safe(text)
         if data is None:
-            log.warning("groq %s returned no parseable JSON", model_name)
+            # Logged truncated, not omitted -- the previous version left no
+            # way to tell a truncated/malformed JSON body apart from the
+            # model refusing outright or wrapping it in prose, so every past
+            # failure was an unexplained guess. Lead data isn't sensitive.
+            log.warning(
+                "groq %s returned no parseable JSON (finish_reason=%s, first 800 chars): %r",
+                model_name,
+                response.choices[0].finish_reason if response.choices else "?",
+                text[:800],
+            )
         else:
             log.info("groq %s succeeded", model_name)
         return data