Fix the nightly report summaries (#1251)

* Fix the nightly report summaries

* Fix workflow trigger

* Fix advisory regex to handle optional variation selector

Match ℹ with or without the trailing U+FE0F variation selector so advisory counts are reliable regardless of output encoding.

Author: JanKrivanek

.github/workflows/check-pr-target.yml

@@ -1,7 +1,7 @@
 name: Check PR Target Branch
 
 on:
-  pull_request:
+  pull_request_target:
     branches: [main]
     types: [opened]
 

.github/workflows/skill-quality-report.yml

@@ -158,10 +158,11 @@ jobs:
             const codeowners = parseCodeowners();
 
             // Count findings
+            // The skill-validator uses emoji markers: ❌ for errors, ⚠ for warnings, ℹ for advisories
             const combined = skillsOutput + '\n' + agentsOutput;
-            const errorCount = (combined.match(/\bError\b/gi) || []).length;
-            const warningCount = (combined.match(/\bWarning\b/gi) || []).length;
-            const advisoryCount = (combined.match(/\bAdvisory\b/gi) || []).length;
+            const errorCount = (combined.match(/❌/g) || []).length;
+            const warningCount = (combined.match(/⚠/g) || []).length;
+            const advisoryCount = (combined.match(/ℹ\uFE0F?/g) || []).length;
 
             // Count total skills & agents checked
             let skillDirs = [];