Add profile system for automatic target activation

Profiles monitor running processes and foreground windows to
automatically start/stop targets when conditions are met.
Includes profile engine, platform detector (WMI), REST API,
process browser endpoint, and calibration persistence fix.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/src/wled_controller/main.py

@@ -23,6 +23,8 @@ from wled_controller.storage.picture_source_store import PictureSourceStore
 from wled_controller.storage.picture_target_store import PictureTargetStore
 from wled_controller.storage.wled_picture_target import WledPictureTarget
 from wled_controller.storage.key_colors_picture_target import KeyColorsPictureTarget
+from wled_controller.storage.profile_store import ProfileStore
+from wled_controller.core.profiles.profile_engine import ProfileEngine
 from wled_controller.utils import setup_logging, get_logger
 
 # Initialize logging
@@ -39,6 +41,7 @@ pp_template_store = PostprocessingTemplateStore(config.storage.postprocessing_te
 picture_source_store = PictureSourceStore(config.storage.picture_sources_file)
 picture_target_store = PictureTargetStore(config.storage.picture_targets_file)
 pattern_template_store = PatternTemplateStore(config.storage.pattern_templates_file)
+profile_store = ProfileStore(config.storage.profiles_file)
 
 processor_manager = ProcessorManager(
     picture_source_store=picture_source_store,
@@ -138,6 +141,9 @@ async def lifespan(app: FastAPI):
     # Run migrations
     _migrate_devices_to_targets()
 
+    # Create profile engine (needs processor_manager)
+    profile_engine = ProfileEngine(profile_store, processor_manager)
+
     # Initialize API dependencies
     init_dependencies(
         device_store, template_store, processor_manager,
@@ -145,6 +151,8 @@ async def lifespan(app: FastAPI):
         pattern_template_store=pattern_template_store,
         picture_source_store=picture_source_store,
         picture_target_store=picture_target_store,
+        profile_store=profile_store,
+        profile_engine=profile_engine,
     )
 
     # Register devices in processor manager for health monitoring
@@ -201,11 +209,21 @@ async def lifespan(app: FastAPI):
     # Start background health monitoring for all devices
     await processor_manager.start_health_monitoring()
 
+    # Start profile engine (evaluates conditions and auto-starts/stops targets)
+    await profile_engine.start()
+
     yield
 
     # Shutdown
     logger.info("Shutting down LED Grab")
 
+    # Stop profile engine first (deactivates profile-managed targets)
+    try:
+        await profile_engine.stop()
+        logger.info("Stopped profile engine")
+    except Exception as e:
+        logger.error(f"Error stopping profile engine: {e}")
+
     # Stop all processing
     try:
         await processor_manager.stop_all()