Remove obsolete Woodpecker CI configuration for ARM builds

.woodpecker/01-test.yml

@@ -0,0 +1,39 @@
+# Manual-trigger only. Validation fixtures (sample videos + expected-detections
+# baseline) are not yet authored; running the e2e on push would produce red
+# builds until that data lands. Flip `event: [manual]` back to
+# `event: [push, pull_request, manual]` once validation fixtures are in place,
+# and add `depends_on: [01-test]` to 02-build-push.yml.
+#
+# Tracking: see plan "CI Auto Tests Epic", story S3b — blocked by e2e validation data.
+
+when:
+  event: [manual]
+  branch: [dev, stage, main]
+
+labels:
+  platform: arm64
+
+steps:
+  - name: e2e
+    image: docker:24
+    environment:
+      COMPOSE_PROJECT_NAME: detections-e2e
+    commands:
+      - cd e2e
+      - mkdir -p results logs
+      - docker compose -f docker-compose.test.yml --profile cpu up --build --abort-on-container-exit --exit-code-from e2e-runner
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+
+  - name: e2e-report
+    image: docker:24
+    when:
+      status: [success, failure]
+    environment:
+      COMPOSE_PROJECT_NAME: detections-e2e
+    commands:
+      - cd e2e
+      - docker compose -f docker-compose.test.yml --profile cpu down -v || true
+      - test -f results/report.csv && cat results/report.csv || echo "no report"
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock

.woodpecker/02-build-push.yml

@@ -1,9 +1,27 @@
+# No `depends_on: [01-test]` clause yet — the test workflow is manual-only
+# while validation fixtures are being authored (see 01-test.yml header comment).
+# When 01-test flips to push/pull_request triggers, add `depends_on: [01-test]`
+# here so builds are gated on a green test run.
+
 when:
   event: [push, manual]
   branch: [dev, stage, main]
 
+# Multi-arch matrix. detections is the only repo today with split per-arch
+# Dockerfiles (Jetson uses Dockerfile.jetson with TensorRT/CUDA on L4T;
+# amd64 uses the plain Dockerfile). Adding amd64 = uncommenting the second
+# entry once an amd64 agent and base image are in place.
+matrix:
+  include:
+    - PLATFORM: arm64
+      TAG_SUFFIX: arm
+      DOCKERFILE: Dockerfile.jetson
+    # - PLATFORM: amd64
+    #   TAG_SUFFIX: amd
+    #   DOCKERFILE: Dockerfile
+
 labels:
-  platform: arm64
+  platform: ${PLATFORM}
 
 steps:
   - name: build-push
@@ -17,10 +35,10 @@ steps:
         from_secret: registry_token
     commands:
       - echo "$REGISTRY_TOKEN" | docker login "$REGISTRY_HOST" -u "$REGISTRY_USER" --password-stdin
-      - export TAG=${CI_COMMIT_BRANCH}-arm
+      - export TAG=${CI_COMMIT_BRANCH}-${TAG_SUFFIX}
       - export BUILD_DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
       - |
-        docker build -f Dockerfile.jetson \
+        docker build -f ${DOCKERFILE} \
           --build-arg CI_COMMIT_SHA=$CI_COMMIT_SHA \
           --label org.opencontainers.image.revision=$CI_COMMIT_SHA \
           --label org.opencontainers.image.created=$BUILD_DATE \