ci: address second round of review feedback

- Add sync comment on arch suffixes that must match merge-manifests
- Remove cache-to on PR builds to avoid evicting main-branch cache
- Revert cosmetic backend banner change (CI trigger workaround)
- Fix inconsistent 3-space job indent in prod-release-deploy.yaml

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: maskarb

.github/workflows/components-build-deploy.yml

@@ -153,6 +153,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        # IMPORTANT: suffix values must match the hardcoded suffixes in
+        # merge-manifests. Update both together if arches change.
         arch:
           - runner: ubuntu-latest
             platform: linux/amd64
@@ -207,7 +209,6 @@ jobs:
           push: false
           tags: ${{ matrix.component.image }}:pr-${{ github.event.pull_request.number }}-${{ matrix.arch.suffix }}
           cache-from: type=gha,scope=${{ matrix.component.name }}-${{ matrix.arch.suffix }}
-          cache-to: type=gha,mode=max,scope=${{ matrix.component.name }}-${{ matrix.arch.suffix }}
 
   merge-manifests:
     needs: [detect-changes, build]

.github/workflows/prod-release-deploy.yaml

@@ -27,7 +27,7 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
-   release:
+  release:
     runs-on: ubuntu-latest
     permissions:
       contents: write
@@ -176,7 +176,7 @@ jobs:
           echo "Components to build:"
           echo "$FILTERED" | jq -r '.[].name'
 
-   build:
+  build:
     needs: release
     permissions:
       contents: read
@@ -186,6 +186,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        # IMPORTANT: suffix values must match the hardcoded suffixes in
+        # merge-manifests. Update both together if arches change.
         arch:
           - runner: ubuntu-latest
             platform: linux/amd64
@@ -230,7 +232,7 @@ jobs:
           cache-from: type=gha,scope=${{ matrix.component.name }}-${{ matrix.arch.suffix }}
           cache-to: type=gha,mode=max,scope=${{ matrix.component.name }}-${{ matrix.arch.suffix }}
 
-   merge-manifests:
+  merge-manifests:
     needs: [release, build]
     runs-on: ubuntu-latest
     permissions:
@@ -260,7 +262,7 @@ jobs:
             ${{ matrix.component.image }}:${{ needs.release.outputs.new_tag }}-amd64 \
             ${{ matrix.component.image }}:${{ needs.release.outputs.new_tag }}-arm64
 
-   deploy-to-openshift:
+  deploy-to-openshift:
     runs-on: ubuntu-latest
     needs: [release, merge-manifests]
     steps:

components/backend/main.go

@@ -29,9 +29,9 @@ var (
 )
 
 func logBuildInfo() {
-	log.Println("================================================")
+	log.Println("==============================================")
 	log.Println("Backend API - Build Information")
-	log.Println("================================================")
+	log.Println("==============================================")
 	log.Printf("Version:     %s", GitVersion)
 	log.Printf("Commit:      %s", GitCommit)
 	log.Printf("Branch:      %s", GitBranch)