ci: add Argus QA trigger after staging integration

Creates a CueAPI cue for Argus to pick up and run SDK tests
against the staging environment after staging-integration passes.

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

Author: 2 people

.github/workflows/argus-qa.yml

@@ -0,0 +1,38 @@
+name: Argus QA
+
+on:
+  workflow_run:
+    workflows: ["SDK Staging Integration"]
+    types: [completed]
+
+jobs:
+  trigger-argus:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    steps:
+      - name: Trigger Argus QA
+        run: |
+          FIRE_AT=$(date -u -d '+30 seconds' '+%Y-%m-%dT%H:%M:%SZ' 2>/dev/null || \
+                    date -u -v+30S '+%Y-%m-%dT%H:%M:%SZ')
+          RESPONSE=$(curl -s -w "\n%{http_code}" -X POST https://api.cueapi.ai/v1/cues \
+            -H "Authorization: Bearer ${{ secrets.ARGUS_API_KEY }}" \
+            -H "Content-Type: application/json" \
+            -d "{
+              \"name\": \"argus-cueapi-python-${{ github.event.workflow_run.head_sha }}\",
+              \"schedule\": {\"type\": \"once\", \"at\": \"${FIRE_AT}\"},
+              \"transport\": \"worker\",
+              \"payload\": {
+                \"task\": \"sdk-qa\",
+                \"repo\": \"cueapi-python\",
+                \"commit\": \"${{ github.event.workflow_run.head_sha }}\",
+                \"staging_url\": \"${{ secrets.CUEAPI_STAGING_URL }}\"
+              }
+            }")
+          HTTP_CODE=$(echo "$RESPONSE" | tail -1)
+          BODY=$(echo "$RESPONSE" | head -1)
+          echo "Response ($HTTP_CODE): $BODY"
+          if [ "$HTTP_CODE" != "201" ]; then
+            echo "Failed to create Argus cue"
+            exit 1
+          fi
+          echo "Argus will pick up SDK QA cue within 15 seconds."