feat(app-binding): lier les presets aux applications

Ajoute la configuration des associations application/preset, le service de suivi du focus, l'intégration GUI et les fichiers d'installation nécessaires.

Ajoute les tests unitaires ciblés des bindings, du service de focus, des migrations et des composants GUI associés.

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

inputremapper/configs/global_config.py

@@ -23,8 +23,9 @@ from __future__ import annotations
 import copy
 import json
 import os
-from typing import Optional
+from typing import List, Optional
 
+from inputremapper.configs.app_binding import AppBinding
 from inputremapper.configs.paths import PathUtils
 from inputremapper.logging.logger import logger, VERSION
 from inputremapper.user import UserUtils
@@ -37,6 +38,8 @@ NONE = "none"
 INITIAL_CONFIG = {
     "version": VERSION,
     "autoload": {},
+    "app_binding_enabled": False,
+    "app_bindings": [],
 }
 
 
@@ -87,6 +90,32 @@ class GlobalConfig:
 
         return self._config.get("autoload", {}).get(group_key) == preset
 
+    def get_app_binding_enabled(self) -> bool:
+        """Whether focus-driven preset binding is enabled."""
+        return bool(self._config.get("app_binding_enabled", False))
+
+    def set_app_binding_enabled(self, enabled: bool) -> None:
+        """Enable or disable focus-driven preset binding."""
+        self._config["app_binding_enabled"] = bool(enabled)
+        self._save_config()
+
+    def get_app_bindings(self) -> List[AppBinding]:
+        """Get the configured application bindings as model objects."""
+        bindings = []
+        for raw in self._config.get("app_bindings", []):
+            try:
+                bindings.append(AppBinding(**raw))
+            except (TypeError, ValueError) as error:
+                logger.error("Ignoring invalid app_binding %s: %s", raw, str(error))
+        return bindings
+
+    def set_app_bindings(self, bindings: List[AppBinding]) -> None:
+        """Persist the given application bindings."""
+        self._config["app_bindings"] = [
+            json.loads(binding.json()) for binding in bindings
+        ]
+        self._save_config()
+
     def load_config(self, path: Optional[str] = None):
         """Load the config from the file system.
         Parameters