ci: add non-blocking Kotlin forced-mode preview check

Author: Copilot

.github/workflows/ci-kotlin-forced-preview.yml

@@ -0,0 +1,69 @@
+name: Kotlin Forced-Mode Preview
+
+on:
+  pull_request:
+    branches: [main]
+    paths:
+      - 'gitnexus/src/core/ingestion/languages/kotlin/**'
+      - 'gitnexus/src/core/ingestion/scope-resolution/pipeline/registry.ts'
+      - 'gitnexus/test/integration/resolvers/kotlin.test.ts'
+
+permissions:
+  contents: read
+
+jobs:
+  kotlin-forced-preview:
+    name: kotlin forced-mode preview
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: ./.github/actions/setup-gitnexus
+        with:
+          build: 'true'
+
+      - name: Run forced Kotlin resolver tests (non-blocking)
+        id: preview
+        shell: bash
+        continue-on-error: true
+        working-directory: gitnexus
+        run: >-
+          REGISTRY_PRIMARY_KOTLIN=1
+          npx vitest run test/integration/resolvers/kotlin.test.ts
+          --reporter=default
+          --reporter=json
+          --outputFile=kotlin-forced-preview-results.json
+
+      - name: Publish Kotlin forced-mode preview summary
+        if: always()
+        shell: bash
+        working-directory: gitnexus
+        run: |
+          set -euo pipefail
+
+          RESULT_FILE="kotlin-forced-preview-results.json"
+          TOTAL=0
+          PASSED=0
+          FAILED=0
+          SKIPPED=0
+
+          if [[ -f "$RESULT_FILE" ]]; then
+            TOTAL=$(jq -r '.numTotalTests // 0' "$RESULT_FILE")
+            PASSED=$(jq -r '.numPassedTests // 0' "$RESULT_FILE")
+            FAILED=$(jq -r '.numFailedTests // 0' "$RESULT_FILE")
+            SKIPPED=$(jq -r '.numPendingTests // 0' "$RESULT_FILE")
+          else
+            echo "::warning title=Kotlin forced-mode preview::Result JSON not found (${RESULT_FILE})"
+          fi
+
+          {
+            echo "### Kotlin forced-mode preview (\`REGISTRY_PRIMARY_KOTLIN=1\`)"
+            echo ""
+            echo "| Total | Passed | Failed | Skipped |"
+            echo "|------:|-------:|-------:|--------:|"
+            echo "| ${TOTAL} | ${PASSED} | ${FAILED} | ${SKIPPED} |"
+            echo ""
+            echo "Non-blocking preview only. Scope-parity required gate remains unchanged."
+          } >> "$GITHUB_STEP_SUMMARY"
+
+          echo "::notice title=Kotlin forced-mode preview::total=${TOTAL}, passed=${PASSED}, failed=${FAILED}, skipped=${SKIPPED}"