DEVX-122: feat: consolidate docs checks into devx-docs-check target

.gitea/workflows/ci.yml

@@ -32,30 +32,15 @@ jobs:
         run: |
           . .venv/bin/activate 2>/dev/null || true
           python3 -m devx.tools.check_test_speed --max-seconds 6 --max-single-seconds 0.5
-      - name: Documentation coverage check
+      - name: Documentation gate (coverage + stale refs + lint + version refs + prose)
         env:
           PYTHONPATH: src
+          DEVX_DOC_COVERAGE_STRICT: "1"
+          DEVX_VALE_LEVEL: warning
         run: |
           . .venv/bin/activate 2>/dev/null || true
-          python3 -m devx.ci.doc_coverage --fail-on-missing
-      - name: Documentation lint check
-        env:
-          PYTHONPATH: src
-        run: |
-          . .venv/bin/activate 2>/dev/null || true
-          python3 -m devx.ci.lint_docs --root .
-      - name: Documentation version reference check
-        env:
-          PYTHONPATH: src
-        run: |
-          . .venv/bin/activate 2>/dev/null || true
-          python3 -m devx.tools.check_doc_versions --root .
-      - name: Vale prose lint check
-        env:
-          PYTHONPATH: src
-        run: |
-          . .venv/bin/activate 2>/dev/null || true
-          make devx-vale
+          export PATH="$HOME/.local/bin:$PATH"
+          make devx-docs-check
       - name: Translation completeness check
         env:
           PYTHONPATH: src