Feat/crosshair guides

.gitignore

@@ -228,14 +228,23 @@ excel/
 backups/
 data/
 .venv/
+node_modules/
 
 
-# Extracted data files (can be regenerated)
-extracted_data/*.json
+# Extracted/derived data (can be regenerated)
+extracted_data/
+
+# Analysis/report outputs
+diff_reports/
 
 # Test output files
 test_output/
 test_results/
 
 # Backup directory (already moved files there)
-# backups/ 
+# backups/ 
+
+# Ignore top-level Markdown and text payloads not meant for version control
+# Keep docs/*.md and tests fixtures tracked; only ignore root-level files
+/AGENTS.md
+/*.txt

config_manager.py

@@ -22,6 +22,12 @@ def _load_config_unlocked(self):
         settings.setdefault("debug_mode_enabled", False)
         # Add the new setting for the frozen column's header
         settings.setdefault("show_row_numbers_on_frozen_column", False)
+        # Undo/Redo depth configuration
+        settings.setdefault("undo_stack_max_size", 10)
+        # Crosshair guides configuration
+        settings.setdefault("crosshair_enabled", True)
+        settings.setdefault("crosshair_thickness", 1)
+        settings.setdefault("crosshair_hover_enabled", True)
         # Add the new setting for freezing the first row
         #settings.setdefault("freeze_first_row_enabled", False)
         config["settings"] = settings
@@ -47,4 +53,4 @@ def set_setting(self, key, value):
             if "settings" not in self.config:
                 self.config["settings"] = {}
             self.config["settings"][key] = value
-        self.save_config()
+        self.save_config()