Build insight title from generated summary

src/ai/insight_generator.rs

@@ -1011,18 +1011,7 @@ impl InsightGenerator {
             None
         };
 
-        // 10. Generate title and summary with Ollama (using multi-source context + image if supported)
-        let title = ollama_client
-            .generate_photo_title(
-                date_taken,
-                location.as_deref(),
-                contact.as_deref(),
-                Some(&combined_context),
-                custom_system_prompt.as_deref(),
-                image_base64.clone(),
-            )
-            .await?;
-
+        // 10. Generate summary first, then derive title from the summary
         let summary = ollama_client
             .generate_photo_summary(
                 date_taken,
@@ -1034,6 +1023,10 @@ impl InsightGenerator {
             )
             .await?;
 
+        let title = ollama_client
+            .generate_photo_title(&summary, custom_system_prompt.as_deref())
+            .await?;
+
         log::info!("Generated title: {}", title);
         log::info!("Generated summary: {}", summary);