From b5e7c93f1f4d48f4bf1fc4366ce3e8826a07a402 Mon Sep 17 00:00:00 2001
From: Nicholas Karlson <nicholaskarlson@gmail.com>
Date: Mon, 19 Jan 2026 00:52:34 -0800
Subject: [PATCH] =?UTF-8?q?Docs:=20Track=20D=20PyPI=20run=20strip=20(Ch16?=
 =?UTF-8?q?=E2=80=93Ch20)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../business_ch16_seasonality_baselines.rst   |  3 +++
 ...venue_forecasting_segmentation_drivers.rst |  3 +++
 ...orecasting_fixed_variable_step_payroll.rst |  3 +++
 ...flow_forecasting_direct_method_13_week.rst |  3 +++
 ...ntegrated_forecasting_three_statements.rst |  3 +++
 .../test_workbook_track_d_runstrip_ch16_20.py | 22 +++++++++++++++++++
 6 files changed, 37 insertions(+)
 create mode 100644 tests/test_workbook_track_d_runstrip_ch16_20.py

diff --git a/docs/source/business_ch16_seasonality_baselines.rst b/docs/source/business_ch16_seasonality_baselines.rst
index eb6994c..77c3c39 100644
--- a/docs/source/business_ch16_seasonality_baselines.rst
+++ b/docs/source/business_ch16_seasonality_baselines.rst
@@ -1,3 +1,6 @@
+.. |trackd_run| replace:: d16
+.. include:: _includes/track_d_run_strip.rst
+
 Track D — Chapter 16
 ====================
 
diff --git a/docs/source/business_ch17_revenue_forecasting_segmentation_drivers.rst b/docs/source/business_ch17_revenue_forecasting_segmentation_drivers.rst
index f44799b..5502adf 100644
--- a/docs/source/business_ch17_revenue_forecasting_segmentation_drivers.rst
+++ b/docs/source/business_ch17_revenue_forecasting_segmentation_drivers.rst
@@ -1,3 +1,6 @@
+.. |trackd_run| replace:: d17
+.. include:: _includes/track_d_run_strip.rst
+
 Track D — Chapter 17
 ====================
 
diff --git a/docs/source/business_ch18_expense_forecasting_fixed_variable_step_payroll.rst b/docs/source/business_ch18_expense_forecasting_fixed_variable_step_payroll.rst
index 8a5a60d..19d74a2 100644
--- a/docs/source/business_ch18_expense_forecasting_fixed_variable_step_payroll.rst
+++ b/docs/source/business_ch18_expense_forecasting_fixed_variable_step_payroll.rst
@@ -1,3 +1,6 @@
+.. |trackd_run| replace:: d18
+.. include:: _includes/track_d_run_strip.rst
+
 Track D — Chapter 18
 ====================
 
diff --git a/docs/source/business_ch19_cash_flow_forecasting_direct_method_13_week.rst b/docs/source/business_ch19_cash_flow_forecasting_direct_method_13_week.rst
index 05b1958..84a2a28 100644
--- a/docs/source/business_ch19_cash_flow_forecasting_direct_method_13_week.rst
+++ b/docs/source/business_ch19_cash_flow_forecasting_direct_method_13_week.rst
@@ -1,3 +1,6 @@
+.. |trackd_run| replace:: d19
+.. include:: _includes/track_d_run_strip.rst
+
 Track D — Chapter 19
 ====================
 
diff --git a/docs/source/business_ch20_integrated_forecasting_three_statements.rst b/docs/source/business_ch20_integrated_forecasting_three_statements.rst
index dc375fb..e42271a 100644
--- a/docs/source/business_ch20_integrated_forecasting_three_statements.rst
+++ b/docs/source/business_ch20_integrated_forecasting_three_statements.rst
@@ -1,3 +1,6 @@
+.. |trackd_run| replace:: d20
+.. include:: _includes/track_d_run_strip.rst
+
 Track D — Chapter 20
 ====================
 
diff --git a/tests/test_workbook_track_d_runstrip_ch16_20.py b/tests/test_workbook_track_d_runstrip_ch16_20.py
new file mode 100644
index 0000000..ca2996b
--- /dev/null
+++ b/tests/test_workbook_track_d_runstrip_ch16_20.py
@@ -0,0 +1,22 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+
+def test_track_d_ch16_20_runstrip_present() -> None:
+    """Guardrail: Track D Ch16–Ch20 docs include the PyPI run-strip."""
+
+    docs = Path("docs/source")
+
+    cases = {
+        "business_ch16_seasonality_baselines.rst": "d16",
+        "business_ch17_revenue_forecasting_segmentation_drivers.rst": "d17",
+        "business_ch18_expense_forecasting_fixed_variable_step_payroll.rst": "d18",
+        "business_ch19_cash_flow_forecasting_direct_method_13_week.rst": "d19",
+        "business_ch20_integrated_forecasting_three_statements.rst": "d20",
+    }
+
+    for rel, run_id in cases.items():
+        text = (docs / rel).read_text(encoding="utf-8")
+        assert ".. include:: _includes/track_d_run_strip.rst" in text
+        assert f".. |trackd_run| replace:: {run_id}" in text