fix: add infra/, org/, and deployment file detection for pipeline B

The detection script was missing infra/, org/, Dockerfile,
docker-compose*, and Makefile patterns required by the SDLC spec.
Added 11 new test cases covering these patterns.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

scripts/test-detect-pipeline.sh

@@ -70,6 +70,36 @@ assert_eq "workflow + markdown combo" "pipeline-b" \
   "$(run_detect ".github/workflows/detect-pr-pipeline.yaml
 .github/workflows/README.md")"
 
+assert_eq "infra root file" "pipeline-b" \
+  "$(run_detect "infra/helmrelease.yaml")"
+
+assert_eq "infra nested file" "pipeline-b" \
+  "$(run_detect "infra/clusters/prod/kustomization.yaml")"
+
+assert_eq "org root file" "pipeline-b" \
+  "$(run_detect "org/CODEOWNERS")"
+
+assert_eq "org nested file" "pipeline-b" \
+  "$(run_detect "org/policies/branch-protection.json")"
+
+assert_eq "Dockerfile" "pipeline-b" \
+  "$(run_detect "Dockerfile")"
+
+assert_eq "docker-compose.yaml" "pipeline-b" \
+  "$(run_detect "docker-compose.yaml")"
+
+assert_eq "docker-compose.override.yml" "pipeline-b" \
+  "$(run_detect "docker-compose.override.yml")"
+
+assert_eq "Makefile" "pipeline-b" \
+  "$(run_detect "Makefile")"
+
+assert_eq "mixed infra + org + workflow" "pipeline-b" \
+  "$(run_detect ".github/workflows/ci.yaml
+infra/helmrelease.yaml
+org/CODEOWNERS
+README.md")"
+
 # --- Pipeline A cases (has non-infra files) ---
 
 assert_eq "plugin source file" "pipeline-a" \
@@ -89,6 +119,11 @@ README.md")"
 assert_eq "single non-infra file" "pipeline-a" \
   "$(run_detect "server.js")"
 
+assert_eq "plugin code + infra files" "pipeline-a" \
+  "$(run_detect "infra/helmrelease.yaml
+org/CODEOWNERS
+headlamp-polaris-plugin/src/index.tsx")"
+
 # --- Edge cases ---
 
 assert_eq "empty input" "pipeline-b" \