fix: Game detection improvements

toju-app/src/app/domains/game-activity/application/game-activity.service.ts

@@ -120,7 +120,7 @@ export class GameActivityService implements OnDestroy {
 
     const api = this.electron.getApi();
 
-    if (!api?.getRunningProcessNames) {
+    if (!api?.getRunningProcessNames && !api?.getActiveGameCandidate) {
       return;
     }
 
@@ -154,14 +154,33 @@ export class GameActivityService implements OnDestroy {
 
     const api = this.electron.getApi();
 
-    if (!api?.getRunningProcessNames) {
+    if (!api?.getRunningProcessNames && !api?.getActiveGameCandidate) {
       return;
     }
 
     this.scanInFlight = true;
 
     try {
-      const processNames = (await api.getRunningProcessNames()).slice(0, MAX_PROCESS_NAMES_PER_REQUEST);
+      const candidateResult = api.getActiveGameCandidate
+        ? await api.getActiveGameCandidate().catch(() => null)
+        : null;
+
+      let processNames: string[];
+      let preferredProcessName: string | undefined;
+
+      if (candidateResult?.candidate) {
+        // Main process already scored & filtered this; trust it.
+        preferredProcessName = candidateResult.candidate.rawProcessName ?? candidateResult.candidate.processName;
+        processNames = [preferredProcessName];
+      } else if (candidateResult && candidateResult.fallbackProcessNames.length > 0) {
+        processNames = candidateResult.fallbackProcessNames.slice(0, MAX_PROCESS_NAMES_PER_REQUEST);
+      } else if (!candidateResult && api.getRunningProcessNames) {
+        // Old preload without the new API: fall back to legacy whole-system scan.
+        processNames = (await api.getRunningProcessNames()).slice(0, MAX_PROCESS_NAMES_PER_REQUEST);
+      } else {
+        processNames = [];
+      }
+
       const processHash = this.buildProcessHash(processNames);
 
       if (processHash === this.lastProcessHash) {
@@ -170,6 +189,12 @@ export class GameActivityService implements OnDestroy {
 
       this.lastProcessHash = processHash;
 
+      if (processNames.length === 0) {
+        this.ngZone.run(() => this.applyMatchedGame(null));
+
+        return;
+      }
+
       const matchedGame = await this.matchRunningGame(processNames);
 
       this.ngZone.run(() => this.applyMatchedGame(matchedGame));