fix: run steps in parallel within each workflow

All build steps and test steps now have depends_on: [] so they
execute concurrently within their workflow instead of sequentially.

.woodpecker/test.yml

@@ -1,14 +1,14 @@
-# Workflow 1: Lint and tests (node A)
 when:
-  event: [push, pull_request]
-
+  event:
+  - push
+  - pull_request
 steps:
   lint-python:
     image: registry.celestium.life/dockerhub-cache/library/python:3.12-slim
     commands:
-      - pip install ruff==0.15.10 --quiet
-      - ruff --version
-      - ruff check --output-format=concise .
+    - pip install ruff==0.15.10 --quiet
+    - ruff --version
+    - ruff check --output-format=concise .
     backend_options:
       kubernetes:
         resources:
@@ -18,13 +18,13 @@ steps:
           limits:
             memory: 512Mi
             cpu: 1000m
-
+    depends_on: []
   test-python:
     image: registry.celestium.life/dockerhub-cache/library/python:3.12-slim
     commands:
-      - pip install -r requirements.txt --quiet
-      - pip install hypothesis --quiet
-      - pytest tests/ -x --tb=short -q --ignore=tests/integration
+    - pip install -r requirements.txt --quiet
+    - pip install hypothesis --quiet
+    - pytest tests/ -x --tb=short -q --ignore=tests/integration
     backend_options:
       kubernetes:
         resources:
@@ -34,13 +34,13 @@ steps:
           limits:
             memory: 1Gi
             cpu: 2000m
-
+    depends_on: []
   test-frontend:
     image: registry.celestium.life/dockerhub-cache/library/node:24-slim
     commands:
-      - cd frontend
-      - npm ci
-      - npx vitest --run
+    - cd frontend
+    - npm ci
+    - npx vitest --run
     backend_options:
       kubernetes:
         resources:
@@ -50,3 +50,4 @@ steps:
           limits:
             memory: 1Gi
             cpu: 2000m
+    depends_on: []