feat: Add commit hash click-to-copy functionality with visual feedback

gtm

@@ -183,6 +183,10 @@ class AppState:
     mouse_x: int = -1
     mouse_y: int = -1
     
+    # Commit hash click tracking
+    commit_hash_clicked: bool = False
+    commit_hash_area: Optional[Tuple[int, int, int, int]] = None  # (start_x, end_x, start_y, end_y)
+    
     # Line wrapping settings
     wrap_lines: bool = True
     
@@ -963,7 +967,18 @@ def draw_commit_details(stdscr, state: AppState, layout: StatusBarLayout):
     
     # Draw the commit hash at the start
     commit_info = f" {state.commit_hash} "
-    stdscr.addstr(second_line, 0, commit_info, curses.A_REVERSE) # | curses.A_BOLD)
+    hash_length = len(commit_info)
+    
+    # Store the commit hash area for click detection
+    state.commit_hash_area = (0, hash_length - 1, second_line, second_line)
+    
+    # Use different style when the hash is being clicked
+    if state.commit_hash_clicked:
+        # When clicked, show in normal video (not reversed)
+        stdscr.addstr(second_line, 0, commit_info, curses.A_BOLD)
+    else:
+        # Normal display: reverse video
+        stdscr.addstr(second_line, 0, commit_info, curses.A_REVERSE | curses.A_BOLD)
     
     # Calculate the author and branch info, ensuring it always fits
     author_branch_info = f" {state.commit_author} [{state.commit_branch}] "
@@ -1208,6 +1223,13 @@ def handle_mouse_input(stdscr, state: AppState) -> AppState:
 
         # Handle mouse button press
         if bstate & curses.BUTTON1_PRESSED:
+            # Check if click is on the commit hash
+            if state.commit_hash_area and state.commit_hash:
+                hash_start_x, hash_end_x, hash_start_y, hash_end_y = state.commit_hash_area
+                if hash_start_x <= mx <= hash_end_x and hash_start_y <= my <= hash_end_y:
+                    # Clicked on commit hash
+                    return replace(state, commit_hash_clicked=True)
+            
             if state.show_sidebar and abs(mx - state.divider_col) <= 1:
                 return replace(state, dragging_divider=True)
             elif my == status_bar_start:
@@ -1227,6 +1249,25 @@ def handle_mouse_input(stdscr, state: AppState) -> AppState:
             
         # Handle mouse button release
         if bstate & curses.BUTTON1_RELEASED:
+            if state.commit_hash_clicked:
+                # Copy commit hash to clipboard
+                if state.commit_hash:
+                    try:
+                        subprocess.run(['pbcopy'], input=state.commit_hash, text=True, check=True)
+                    except (FileNotFoundError, subprocess.CalledProcessError):
+                        try:
+                            # Try xclip for Linux systems
+                            subprocess.run(['xclip', '-selection', 'clipboard'], input=state.commit_hash, text=True, check=True)
+                        except (FileNotFoundError, subprocess.CalledProcessError):
+                            try:
+                                # Try clip.exe for Windows
+                                subprocess.run(['clip.exe'], input=state.commit_hash, text=True, check=True)
+                            except (FileNotFoundError, subprocess.CalledProcessError):
+                                pass  # Silently fail if no clipboard command is available
+                
+                # Reset the clicked state
+                return replace(state, commit_hash_clicked=False)
+            
             if state.dragging_divider:
                 return replace(state, dragging_divider=False)
             elif state.dragging_status_bar: