chore(repo): baseline du fork input-remapper (upstream v2.2.1)

Le dépôt ne contenait que README.md ; ajout de l'intégralité du code
fonctionnel du fork comme socle stable de la branche de release.
L'état runtime d'orchestration (.ideai/) est exclu du suivi.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

inputremapper/injection/macros/tasks/add.py

@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# input-remapper - GUI for device specific keyboard mappings
+# Copyright (C) 2025 sezanzeb <b8x45ygc9@mozmail.com>
+#
+# This file is part of input-remapper.
+#
+# input-remapper is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# input-remapper is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with input-remapper.  If not, see <https://www.gnu.org/licenses/>.
+
+from __future__ import annotations
+
+from inputremapper.configs.validation_errors import MacroError
+from inputremapper.injection.macros.argument import ArgumentConfig
+from inputremapper.injection.macros.task import Task
+from inputremapper.logging.logger import logger
+
+
+class AddTask(Task):
+    """Add a number to a variable."""
+
+    argument_configs = [
+        ArgumentConfig(
+            name="variable",
+            position=0,
+            types=[int, float, None],
+            is_variable_name=True,
+        ),
+        ArgumentConfig(
+            name="value",
+            position=1,
+            types=[int, float],
+        ),
+    ]
+
+    async def run(self, callback) -> None:
+        argument = self.get_argument("variable")
+        try:
+            current = argument.get_value()
+        except MacroError:
+            return
+
+        if current is None:
+            logger.debug(
+                '"%s" initialized with 0',
+                self.arguments["variable"].get_variable_name(),
+            )
+            argument.set_value(0)
+            current = 0
+
+        addend = self.get_argument("value").get_value()
+
+        if not isinstance(current, (int, float)):
+            logger.error(
+                'Expected variable "%s" to contain a number, but got "%s"',
+                argument.get_value(),
+                current,
+            )
+            return
+
+        logger.debug("%s += %s", current, addend)
+        argument.set_value(current + addend)