fix: Library thumbnail guard, Search People/Agent modes, People pagination debug

src-tauri/src/main.rs

@@ -153,7 +153,7 @@ async fn get_people(_page: usize, _per_page: usize) -> Result<Vec<PersonInfo>, S
     let mut page = 1;
     
     loop {
-        let url = format!("{}/api/v1/identities?api_key={}&page={}&per_page=50", CORE_API, API_KEY, page);
+        let url = format!("{}/api/v1/identities?api_key={}&page={}&per_page=100", CORE_API, API_KEY, page);
         let response = client.get(&url).send().await.map_err(|e| format!("Request failed: {}", e))?;
         let json: serde_json::Value = response.json().await.map_err(|e| format!("Parse failed: {}", e))?;
         
@@ -171,7 +171,8 @@ async fn get_people(_page: usize, _per_page: usize) -> Result<Vec<PersonInfo>, S
             }
         }
         
-        if identities.len() < 50 { break; }
+        eprintln!("[get_people] page {} got {} identities", page, identities.len());
+        if identities.len() < 100 { break; }
         page += 1;
     }