fix(ci): remove redundant image tag determination logic from multiple workflows

.github/workflows/waf-integration.yml

@@ -32,67 +32,6 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
-      # Determine the correct image tag based on trigger context
-      # For PRs: pr-{number}-{sha}, For branches: {sanitized-branch}-{sha}
-      - name: Determine image tag
-        id: image
-        env:
-          EVENT: ${{ github.event_name == 'pull_request' && 'pull_request' || github.event.workflow_run.event }}
-          REF: ${{ github.event_name == 'pull_request' && github.head_ref || github.event.workflow_run.head_branch }}
-          SHA: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.event.workflow_run.head_sha }}
-          MANUAL_TAG: ${{ inputs.image_tag }}
-        run: |
-          # Manual trigger uses provided tag
-          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
-            if [[ -n "$MANUAL_TAG" ]]; then
-              echo "tag=${MANUAL_TAG}" >> $GITHUB_OUTPUT
-            else
-              # Default to latest if no tag provided
-              echo "tag=latest" >> $GITHUB_OUTPUT
-            fi
-            echo "source_type=manual" >> $GITHUB_OUTPUT
-            exit 0
-          fi
-
-          # Extract 7-character short SHA
-          SHORT_SHA=$(echo "$SHA" | cut -c1-7)
-
-          if [[ "$EVENT" == "pull_request" ]]; then
-            # Direct PR trigger uses github.event.pull_request.number
-            # workflow_run trigger uses pull_requests array
-            if [[ "${{ github.event_name }}" == "pull_request" ]]; then
-              PR_NUM="${{ github.event.pull_request.number }}"
-            else
-              PR_NUM=$(echo '${{ toJson(github.event.workflow_run.pull_requests) }}' | jq -r '.[0].number')
-            fi
-
-            if [[ -z "$PR_NUM" || "$PR_NUM" == "null" ]]; then
-              echo "❌ ERROR: Could not determine PR number"
-              echo "Event: $EVENT"
-              echo "Ref: $REF"
-              echo "SHA: $SHA"
-              echo "Pull Requests JSON: ${{ toJson(github.event.workflow_run.pull_requests) }}"
-              exit 1
-            fi
-
-            # Immutable tag with SHA suffix prevents race conditions
-            echo "tag=pr-${PR_NUM}-${SHORT_SHA}" >> $GITHUB_OUTPUT
-            echo "source_type=pr" >> $GITHUB_OUTPUT
-          else
-            # Branch push: sanitize branch name and append SHA
-            # Sanitization: lowercase, replace / with -, remove special chars
-            SANITIZED=$(echo "$REF" | \
-              tr '[:upper:]' '[:lower:]' | \
-              tr '/' '-' | \
-              sed 's/[^a-z0-9-._]/-/g' | \
-              sed 's/^-//; s/-$//' | \
-              sed 's/--*/-/g' | \
-              cut -c1-121)  # Leave room for -SHORT_SHA (7 chars)
-
-            echo "tag=${SANITIZED}-${SHORT_SHA}" >> $GITHUB_OUTPUT
-            echo "source_type=branch" >> $GITHUB_OUTPUT
-          fi
-
       # Determine the correct image tag based on trigger context
       # For PRs: pr-{number}-{sha}, For branches: {sanitized-branch}-{sha}
       - name: Determine image tag