fix: Improve status bar commit message display and resizing

gtm

@@ -268,6 +268,10 @@ def load_commit_content(state: AppState) -> AppState:
     parts = commit_line.split(' ', 3)  # Split into hash, date, time, message
     short_message = parts[3] if len(parts) >= 4 else ""
     
+    # If commit_details['message'] is empty, use short_message as fallback
+    if not commit_details['message'].strip():
+        commit_details['message'] = short_message
+    
     max_scroll_new = max(0, len(file_lines) - (state.height - state.status_bar_height))
     right_scroll_offset = state.right_scroll_offset
     if reference_line:
@@ -954,6 +958,8 @@ def draw_status_bars(stdscr, state):
         try:
             # Always draw the commit hash and first line of message on the bottom line
             bottom_line = state.height - 1
+            
+            # Draw the commit hash with bold
             stdscr.addstr(bottom_line, 0, commit_info, curses.A_REVERSE | curses.A_BOLD)
             
             # Draw the author and branch on the right of the bottom line
@@ -983,7 +989,7 @@ def draw_status_bars(stdscr, state):
     # Draw a handle for resizing the status bar
     try:
         handle_char = "≡" if state.dragging_status_bar else "="
-        handle_text = handle_char * 3
+        handle_text = handle_char * 5  # Make handle wider
         if state.status_bar_height > 2:
             handle_text += f" ({state.status_bar_height} lines)"
         stdscr.addstr(status_bar_start, state.width // 2 - len(handle_text) // 2, handle_text, curses.A_REVERSE | curses.A_BOLD)
@@ -1151,8 +1157,8 @@ def handle_mouse_input(stdscr, state: AppState) -> AppState:
         if bstate & curses.BUTTON1_PRESSED:
             if state.show_sidebar and abs(mx - state.divider_col) <= 1:
                 return replace(state, dragging_divider=True)
-            elif my == status_bar_start and abs(mx - (state.width // 2)) <= 2:
-                # Clicked on the status bar handle
+            elif my == status_bar_start and abs(mx - (state.width // 2)) <= 3:
+                # Clicked on the status bar handle (wider click area)
                 return replace(state, dragging_status_bar=True)
             else:
                 focus = "right"