fix(labeler): improve game detection logic for structured fields

* Refine fallback logic to avoid guessing from free text when a structured Game field exists.
* Ensure AI-detected game fallback only occurs when no structured Game field is present.

Co-authored-by: Copilot <[email protected]>

Author: dgibbs64

.github/workflows/labeler.yml

@@ -491,7 +491,8 @@ jobs:
             }
 
             // Legacy issues often have no form section; fall back to deterministic text matching.
-            if (desiredGames.size === 0) {
+            // If a structured Game field exists but does not map, do not guess from free text.
+            if (desiredGames.size === 0 && !hasStructuredGameSelection) {
               const fromText = findGamesFromText(`${title}\n${body}`, gameAliasToLabel, gameAliasToScript);
               for (const label of fromText.labels) desiredGames.add(label);
               for (const scriptName of fromText.scripts) desiredServerScripts.add(scriptName);
@@ -585,10 +586,10 @@ jobs:
             const missing = Array.isArray(triage?.missing_info) ? triage.missing_info : [];
             const hasIssues = isPoor || missing.length > 0;
 
-            // Fallback to AI-detected game only if explicit form mapping was unavailable.
+            // Fallback to AI-detected game only when no structured Game field exists.
             const detectedGame = triage?.detected_game;
             const gameConfidence = triage?.game_confidence;
-            if (desiredGames.size === 0 && detectedGame && gameConfidence === 'high') {
+            if (desiredGames.size === 0 && !hasStructuredGameSelection && detectedGame && gameConfidence === 'high') {
               const normalizedDetectedGame = normalizeName(detectedGame);
               const mapped = gameLabelByNormalized.get(normalizedDetectedGame);
               if (mapped) {