fix: add prompt logging to both spotter viz story generators

AI and matrix story generators were calling make_request() without
logging to the prompt log, so the Prompt Log tab showed nothing for
those LLM calls.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

chat_interface.py

@@ -2303,7 +2303,11 @@ To change settings, use:
             self.log_feedback(f"🎬 Generating AI Spotter Viz story ({llm_model})...")
             provider_name, model_name_str = map_llm_display_to_provider(llm_model)
             researcher = MultiLLMResearcher(provider=provider_name, model=model_name_str)
-            return researcher.make_request([{"role": "user", "content": prompt}], max_tokens=2000, temperature=0.7)
+            messages = [{"role": "user", "content": prompt}]
+            result = researcher.make_request(messages, max_tokens=2000, temperature=0.7)
+            from prompt_logger import log_researcher_call
+            log_researcher_call("spotter_viz_story_ai", researcher, messages, result or "", logger=self._prompt_logger)
+            return result
         except Exception as e:
             self.log_feedback(f"⚠️ AI Spotter Viz story generation failed: {e}")
             return f"*(Generation failed: {e})*"
@@ -2371,7 +2375,11 @@ To change settings, use:
             self.log_feedback(f"🎬 Generating Matrix Spotter Viz story ({llm_model})...")
             provider_name, model_name_str = map_llm_display_to_provider(llm_model)
             researcher = MultiLLMResearcher(provider=provider_name, model=model_name_str)
-            return researcher.make_request([{"role": "user", "content": prompt}], max_tokens=2000, temperature=0.6)
+            messages = [{"role": "user", "content": prompt}]
+            result = researcher.make_request(messages, max_tokens=2000, temperature=0.6)
+            from prompt_logger import log_researcher_call
+            log_researcher_call("spotter_viz_story_matrix", researcher, messages, result or "", logger=self._prompt_logger)
+            return result
         except Exception as e:
             self.log_feedback(f"⚠️ Matrix Spotter Viz story generation failed: {e}")
             return f"*(Generation failed: {e})*"