refactor(niri): Normalize key bindings to be case insensitive within DMS

core/internal/keybinds/providers/niri.go

@@ -166,7 +166,7 @@ func (n *NiriProvider) convertKeybind(kb *NiriKeyBinding, subcategory string, co
 	}
 
 	if source == "dms-default" && conflicts != nil {
-		if conflictKb, ok := conflicts[keyStr]; ok {
+		if conflictKb, ok := conflicts[normalizeNiriBindKey(keyStr)]; ok {
 			bind.Conflict = &keybinds.Keybind{
 				Key:         keyStr,
 				Description: conflictKb.Description,
@@ -249,7 +249,7 @@ func (n *NiriProvider) SetBind(key, action, description string, options map[stri
 		existingBinds = make(map[string]*overrideBind)
 	}
 
-	existingBinds[key] = &overrideBind{
+	existingBinds[normalizeNiriBindKey(key)] = &overrideBind{
 		Key:         key,
 		Action:      action,
 		Description: description,
@@ -265,7 +265,7 @@ func (n *NiriProvider) RemoveBind(key string) error {
 		return nil
 	}
 
-	delete(existingBinds, key)
+	delete(existingBinds, normalizeNiriBindKey(key))
 	return n.writeOverrideBinds(existingBinds)
 }
 
@@ -316,7 +316,7 @@ func (n *NiriProvider) loadOverrideBinds() (map[string]*overrideBind, error) {
 				action = n.formatRawAction(kb.Action, kb.Args)
 			}
 
-			binds[keyStr] = &overrideBind{
+			binds[normalizeNiriBindKey(keyStr)] = &overrideBind{
 				Key:         keyStr,
 				Action:      action,
 				Description: kb.Description,