diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6dcc935..68a840b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,21 +9,23 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    env:
+      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
 
     steps:
     - name: Install Jing (RelaxNG validator)
       run: sudo apt-get update && sudo apt-get install --no-install-recommends --no-install-suggests -y jing
 
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.13'
 
     - name: Install uv
-      uses: astral-sh/setup-uv@v6
+      uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
       with:
         enable-cache: true
 
@@ -40,8 +42,8 @@ jobs:
         uv run coverage xml
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v6
       with:
-        file: ./coverage.xml
+        files: ./coverage.xml
         fail_ci_if_error: false
         token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/opensiddur/exporter/compiler.py b/opensiddur/exporter/compiler.py
index 51f73ef..f0ddbcf 100644
--- a/opensiddur/exporter/compiler.py
+++ b/opensiddur/exporter/compiler.py
@@ -24,14 +24,12 @@
 from lxml.etree import ElementBase
 from lxml import etree
 
+from opensiddur.exporter.constants import JLPTEI_NAMESPACE, PROCESSING_NAMESPACE
 from opensiddur.exporter.linear import LinearData, get_linear_data
 from opensiddur.exporter.refdb import ReferenceDatabase
 from opensiddur.exporter.settings import load_default_settings, load_settings
 from opensiddur.exporter.urn import ResolvedUrnRange, UrnResolver
 
-JLPTEI_NAMESPACE = 'http://jewishliturgy.org/ns/jlptei/2'
-PROCESSING_NAMESPACE = 'http://jewishliturgy.org/ns/processing'
-
 class _ProcessingCommand(Enum):
     """ Possible ways the compiler can process an element """
     # copy the element and recurse into its children, copying its text content
diff --git a/opensiddur/exporter/constants.py b/opensiddur/exporter/constants.py
new file mode 100644
index 0000000..34f316e
--- /dev/null
+++ b/opensiddur/exporter/constants.py
@@ -0,0 +1,18 @@
+"""Shared exporter constants (kept dependency-light to avoid circular imports)."""
+
+JLPTEI_NAMESPACE = "http://jewishliturgy.org/ns/jlptei/2"
+PROCESSING_NAMESPACE = "http://jewishliturgy.org/ns/processing"
+
+TEI_NS = "http://www.tei-c.org/ns/1.0"
+XML_NS = "http://www.w3.org/XML/1998/namespace"
+
+STRUCTURAL_BLOCKS = frozenset(
+    {
+        f"{{{TEI_NS}}}div",
+        f"{{{TEI_NS}}}p",
+        f"{{{TEI_NS}}}ab",
+        f"{{{TEI_NS}}}lg",
+        f"{{{TEI_NS}}}l",
+    }
+)
+
diff --git a/opensiddur/exporter/external_compiler.py b/opensiddur/exporter/external_compiler.py
index 0c1fd44..2e2e976 100644
--- a/opensiddur/exporter/external_compiler.py
+++ b/opensiddur/exporter/external_compiler.py
@@ -7,27 +7,26 @@
 
 from opensiddur.exporter.compiler import (
     CompilerProcessor,
-    JLPTEI_NAMESPACE,
-    PROCESSING_NAMESPACE,
     _ProcessingCommand,
     _ProcessingContext,
     _AnnotationCommand,
 )
+from opensiddur.exporter.constants import (
+    JLPTEI_NAMESPACE,
+    PROCESSING_NAMESPACE,
+    STRUCTURAL_BLOCKS,
+    TEI_NS,
+    XML_NS,
+)
 from opensiddur.exporter.linear import LinearData
 from opensiddur.exporter.refdb import ReferenceDatabase
 from opensiddur.exporter.urn import ResolvedUrnRange, UrnResolver
 from lxml import etree
 
-TEI_NS = "http://www.tei-c.org/ns/1.0"
-XML_NS = "http://www.w3.org/XML/1998/namespace"
-
-STRUCTURAL_BLOCKS = frozenset({
-    f"{{{TEI_NS}}}div",
-    f"{{{TEI_NS}}}p",
-    f"{{{TEI_NS}}}ab",
-    f"{{{TEI_NS}}}lg",
-    f"{{{TEI_NS}}}l",
-})
+from opensiddur.exporter.marker_reconstruct import (
+    doc_needs_marker_reconstruction,
+    reconstruct_markered_document,
+)
 
 
 def _attrs_structural_original(source: ElementBase) -> dict[str, str]:
@@ -761,8 +760,14 @@ def process(self, root: Optional[ElementBase] = None) -> list[ElementBase]:
 
         # Root parallel trigger
         is_root = len(self.linear_data.processing_context) == 0
+        def _reconstruct_if_needed(processed: list[ElementBase]) -> None:
+            if processed and doc_needs_marker_reconstruction(processed[0]):
+                reconstruct_markered_document(processed[0])
+
         if is_root and self.linear_data.parallel_projects and not self._in_parallel_compilation:
-            return self._process_parallel_root()
+            processed = self._process_parallel_root()
+            _reconstruct_if_needed(processed)
+            return processed
 
         # set the root language to the language of the deepest common ancestor if present, else root
         self.root_language = self._get_in_scope_language(
@@ -790,4 +795,7 @@ def process(self, root: Optional[ElementBase] = None) -> list[ElementBase]:
         if self.from_start is None and processed:
             self._mark_file_source(processed[0])
 
+        if is_root:
+            _reconstruct_if_needed(processed)
+
         return processed
diff --git a/opensiddur/exporter/inline_compiler.py b/opensiddur/exporter/inline_compiler.py
index 40810ae..a6a433f 100644
--- a/opensiddur/exporter/inline_compiler.py
+++ b/opensiddur/exporter/inline_compiler.py
@@ -5,11 +5,11 @@
 
 from opensiddur.exporter.compiler import (
     CompilerProcessor,
-    PROCESSING_NAMESPACE,
     _ProcessingCommand,
     _ProcessingContext,
     _AnnotationCommand,
 )
+from opensiddur.exporter.constants import PROCESSING_NAMESPACE
 from opensiddur.exporter.external_compiler import ExternalCompilerProcessor
 from opensiddur.exporter.linear import LinearData
 from opensiddur.exporter.refdb import ReferenceDatabase
diff --git a/opensiddur/exporter/tex/marker_reconstruct.py b/opensiddur/exporter/marker_reconstruct.py
similarity index 97%
rename from opensiddur/exporter/tex/marker_reconstruct.py
rename to opensiddur/exporter/marker_reconstruct.py
index 6bc4037..10c03fb 100644
--- a/opensiddur/exporter/tex/marker_reconstruct.py
+++ b/opensiddur/exporter/marker_reconstruct.py
@@ -11,7 +11,7 @@
 
 from lxml import etree
 
-from opensiddur.exporter.external_compiler import PROCESSING_NAMESPACE, STRUCTURAL_BLOCKS
+from opensiddur.exporter.constants import PROCESSING_NAMESPACE, STRUCTURAL_BLOCKS
 
 _P_START = f"{{{PROCESSING_NAMESPACE}}}start"
 _P_END = f"{{{PROCESSING_NAMESPACE}}}end"
@@ -70,11 +70,7 @@ def _absorb_marker_strings(frame: _Frame, el: etree.ElementBase) -> None:
 def _carrier_attrs_from_marker_el(el: etree.ElementBase) -> dict[str, str]:
     p_pref = f"{{{PROCESSING_NAMESPACE}}}"
     xml_id_key = "{http://www.w3.org/XML/1998/namespace}id"
-    return {
-        k: v
-        for k, v in el.attrib.items()
-        if k != xml_id_key and not k.startswith(p_pref)
-    }
+    return {k: v for k, v in el.attrib.items() if k != xml_id_key and not k.startswith(p_pref)}
 
 
 def _new_wrapped_segment(
@@ -293,3 +289,4 @@ def reconstruct_markered_document(root: etree.ElementBase) -> None:
     header = root.find(".//{http://www.tei-c.org/ns/1.0}teiHeader")
     if header is not None:
         _strip_stray_processing_markers_under(header)
+
diff --git a/opensiddur/exporter/tex/xelatex.py b/opensiddur/exporter/tex/xelatex.py
index 2862f54..2f609b2 100644
--- a/opensiddur/exporter/tex/xelatex.py
+++ b/opensiddur/exporter/tex/xelatex.py
@@ -20,10 +20,6 @@
 sys.path.insert(0, str(project_root))
 
 from opensiddur.common.xslt import xslt_transform, xslt_transform_string
-from opensiddur.exporter.tex.marker_reconstruct import (
-    doc_needs_marker_reconstruction,
-    reconstruct_markered_document,
-)
 
 XSLT_FILE = Path(__file__).parent / "xelatex.xslt"
 
@@ -324,10 +320,7 @@ def transform_xml_to_tex(input_file, xslt_file=XSLT_FILE, output_file=None):
             input_xml = input_fd.read()
 
         root = etree.fromstring(input_xml.encode("utf-8"))
-        if doc_needs_marker_reconstruction(root):
-            reconstruct_markered_document(root)
-            input_xml = etree.tostring(root, encoding="unicode", xml_declaration=False)
-
+        
         file_references = get_file_references(input_file, projects_source_root)
 
         licenses = extract_licenses(file_references)
diff --git a/opensiddur/tests/exporter/test_marker_reconstruct.py b/opensiddur/tests/exporter/test_marker_reconstruct.py
index 2bea9fc..dbdb90f 100644
--- a/opensiddur/tests/exporter/test_marker_reconstruct.py
+++ b/opensiddur/tests/exporter/test_marker_reconstruct.py
@@ -1,4 +1,4 @@
-"""Tests for flattened parallel marker reconstruction (Pass 1 before XeLaTeX)."""
+"""Tests for flattened parallel marker reconstruction (compiler output stage)."""
 
 import unittest
 import unittest.mock
@@ -7,13 +7,13 @@
 
 from opensiddur.common.xslt import xslt_transform_string
 from opensiddur.exporter.external_compiler import PROCESSING_NAMESPACE, TEI_NS
-from opensiddur.exporter.tex.marker_reconstruct import (
+from opensiddur.exporter.marker_reconstruct import (
     doc_needs_marker_reconstruction,
     reconstruct_markered_document,
     reconstruct_parallel_item,
     substantive_content,
 )
-from opensiddur.exporter.tex import marker_reconstruct as mr
+from opensiddur.exporter import marker_reconstruct as mr
 from opensiddur.exporter.tex.xelatex import XSLT_FILE
 
 P_NS = PROCESSING_NAMESPACE
diff --git a/opensiddur/tests/exporter/test_parallel_e2e.py b/opensiddur/tests/exporter/test_parallel_e2e.py
index 6661c8c..562e141 100644
--- a/opensiddur/tests/exporter/test_parallel_e2e.py
+++ b/opensiddur/tests/exporter/test_parallel_e2e.py
@@ -216,34 +216,29 @@ def test_no_parallel_fallback_when_parallel_file_missing(self):
 class TestMarkerStructureE2E(_E2EBase):
 
     def test_structural_elements_with_milestones_get_markers(self):
-        """tei:p with active parallel milestones should produce p:start/p:end markers."""
+        """Compiler output should be reconstructed (no raw p:start/p:end markers)."""
         result = self._compile_primary()
         all_xml = "".join(etree.tostring(el, encoding="unicode") for el in result)
         root = etree.fromstring(f"<root>{all_xml}</root>")
 
-        # Look for p:start attributes on tei:p elements
-        start_markers = root.findall(f".//{{{TEI_NS}}}p[@{{{P_NS}}}start]")
-        end_markers = root.findall(f".//{{{TEI_NS}}}p[@{{{P_NS}}}end]")
-        self.assertGreater(len(start_markers), 0, "Expected p:start markers on tei:p")
-        self.assertGreater(len(end_markers), 0, "Expected p:end markers on tei:p")
+        # Reconstruction happens in the compiler now, so markers should not survive
+        start_markers = root.findall(f".//*[@{{{P_NS}}}start]")
+        end_markers = root.findall(f".//*[@{{{P_NS}}}end]")
+        self.assertEqual(len(start_markers), 0, "p:start markers should be consumed by reconstruction")
+        self.assertEqual(len(end_markers), 0, "p:end markers should be consumed by reconstruction")
+
+        # Still expect parallel structure to exist in compiled output
+        parallels = root.findall(f".//{{{P_NS}}}parallel")
+        self.assertGreater(len(parallels), 0)
 
     def test_start_end_marker_ids_match(self):
-        """Every p:start ID should have a corresponding p:end ID."""
+        """Legacy marker pairing test: markers should not be present post-reconstruct."""
         result = self._compile_primary()
         all_xml = "".join(etree.tostring(el, encoding="unicode") for el in result)
         root = etree.fromstring(f"<root>{all_xml}</root>")
 
-        start_ids = set()
-        end_ids = set()
-        for el in root.iter():
-            sid = el.get(f"{{{P_NS}}}start")
-            eid = el.get(f"{{{P_NS}}}end")
-            if sid:
-                start_ids.add(sid)
-            if eid:
-                end_ids.add(eid)
-
-        self.assertEqual(start_ids, end_ids, "Every p:start should have a matching p:end")
+        self.assertEqual(len(root.findall(f".//*[@{{{P_NS}}}start]")), 0)
+        self.assertEqual(len(root.findall(f".//*[@{{{P_NS}}}end]")), 0)
 
     def test_column_order_attribute(self):
         """p:parallel elements should have a column-order attribute."""