fix: show actual file size for picked files

src-tauri/src/commands.rs

@@ -373,3 +373,10 @@ pub async fn cleanup_orphaned_temp_files(
     let mut manager = temp_manager.lock();
     manager.cleanup_orphaned_files()
 }
+
+#[tauri::command]
+pub async fn get_file_size(file_path: String) -> Result<u64, String> {
+    let metadata = std::fs::metadata(&file_path)
+        .map_err(|e| format!("Failed to get file metadata: {}", e))?;
+    Ok(metadata.len())
+}

src-tauri/src/lib.rs

@@ -77,6 +77,7 @@ pub fn run() {
             cleanup_temp_files,
             cleanup_all_temp_files,
             cleanup_orphaned_temp_files,
+            get_file_size,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");

src/lib/components/InputBar.svelte

@@ -474,11 +474,19 @@ User: ${formattedMessage}`;
         const extension = filename.split(".").pop()?.toLowerCase() || "";
         const fileType = getFileTypeFromExtension(extension);
 
+        // Get file size from Tauri
+        let fileSize = 0;
+        try {
+          fileSize = await invoke<number>("get_file_size", { filePath });
+        } catch (e) {
+          console.warn("Could not get file size:", e);
+        }
+
         const attachment: Attachment = {
           id: `attachment-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
           filename,
           path: filePath,
-          size: 0,
+          size: fileSize,
           type: fileType,
         };