feat: prepare TipTap 3 migration and restore Python matrix

.github/workflows/ci.yml

@@ -90,7 +90,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["3.14"]') || fromJSON('["3.11", "3.12", "3.13", "3.14"]') }}
+        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["3.11", "3.14"]') || fromJSON('["3.11", "3.12", "3.13", "3.14"]') }}
     defaults:
       run:
         working-directory: office

office/tests/test_python_support_contract.py

@@ -1,12 +1,14 @@
 """Cross-file contract for the Python versions advertised by Inkspan Office."""
 
 from pathlib import Path
+import json
 import re
 import tomllib
 
 
 REPOSITORY_ROOT = Path(__file__).resolve().parents[2]
 SUPPORTED_PYTHON_VERSIONS = ("3.11", "3.12", "3.13", "3.14")
+PULL_REQUEST_PYTHON_VERSIONS = ("3.11", "3.14")
 PYTHON_312_LXML_LINUX_SHA256 = (
     "bc783ee3147e60a25aa0445ea82b3e8aabb83b240f2b95d32cb75587ff781814"
 )
@@ -33,7 +35,7 @@ def _workflow_job_block(workflow: str, job_name: str) -> str:
 
 
 def test_python_support_range_matches_classifiers_and_ci_matrix() -> None:
-    """Require package metadata and the Office CI job to cover the same minors."""
+    """Require PR boundary coverage and full protected-main compatibility coverage."""
 
     pyproject = tomllib.loads(_repository_text("office/pyproject.toml"))
     project = pyproject["project"]
@@ -50,10 +52,14 @@ def test_python_support_range_matches_classifiers_and_ci_matrix() -> None:
     office_job = _workflow_job_block(workflow, "office")
     assert "runs-on: ubuntu-24.04" in office_job
     assert "runs-on: ubuntu-latest" not in office_job
-    matrix_match = re.search(r'python-version:\s*\[([^\]]+)\]', office_job)
+    matrix_match = re.search(
+        r"python-version:\s*\$\{\{\s*github\.event_name == 'pull_request'\s*"
+        r"&&\s*fromJSON\('([^']+)'\)\s*\|\|\s*fromJSON\('([^']+)'\)\s*\}\}",
+        office_job,
+    )
     assert matrix_match is not None
-    matrix_versions = tuple(re.findall(r'"(3\.\d+)"', matrix_match.group(1)))
-    assert matrix_versions == SUPPORTED_PYTHON_VERSIONS
+    assert tuple(json.loads(matrix_match.group(1))) == PULL_REQUEST_PYTHON_VERSIONS
+    assert tuple(json.loads(matrix_match.group(2))) == SUPPORTED_PYTHON_VERSIONS
 
 
 def test_python_support_documentation_matches_the_fixed_ci_environment() -> None:

src/workflowExactHead.test.ts

@@ -74,7 +74,7 @@ describe('exact-head CI workflow contract', () => {
     );
     expect(workflow).toContain('cancel-in-progress: true');
     expect(officeJob).toContain(
-      "python-version: ${{ github.event_name == 'pull_request' && fromJSON('[\"3.14\"]') || fromJSON('[\"3.11\", \"3.12\", \"3.13\", \"3.14\"]') }}",
+      "python-version: ${{ github.event_name == 'pull_request' && fromJSON('[\"3.11\", \"3.14\"]') || fromJSON('[\"3.11\", \"3.12\", \"3.13\", \"3.14\"]') }}",
     );
     expect(releaseWorkflow).toContain(
       'group: ${{ github.workflow }}-${{ github.repository }}-${{ github.ref_name }}',