refactor(docx): getBaseRun helper, hoist mainConfig, derive sections, remove dead OL code

- Add getBaseRun() next to getHtmlStyle() and replace 8 inline baseRun spreads (~27 lines).
- Hoist one mainConfig object in buildDocument; sidebar call spreads only the two
  differing color keys (~17 lines).
- Remove BUILT_IN_SECTIONS Set; derive membership via `sectionId in data.sections` (~14 lines).
- Delete unreachable ordered-list numbering machinery in html-to-docx.ts: numberingRef is
  always undefined through all call paths, so isOrdered && numberingRef is always false (~15 lines).

Claude-Session: https://claude.ai/code/session_012Bnvt1MghwHj4qQRxuQUGa

packages/docx/src/builder.ts

@@ -122,27 +122,13 @@ function blendWithWhite(hex: string, opacity: number): string {
 
 // --- Section rendering dispatch ---
 
-const BUILT_IN_SECTIONS = new Set<string>([
-	"profiles",
-	"experience",
-	"education",
-	"projects",
-	"skills",
-	"languages",
-	"interests",
-	"awards",
-	"certifications",
-	"publications",
-	"volunteer",
-	"references",
-]);
-
 function renderSection(sectionId: string, data: ResumeData, colorHex: string): Paragraph[] {
 	if (sectionId === "summary") {
 		return renderSummary(data.summary, colorHex);
 	}
 
-	if (BUILT_IN_SECTIONS.has(sectionId)) {
+	// ponytail: data.sections keys are the source of truth; no need to maintain a parallel Set
+	if (sectionId in data.sections) {
 		const section = data.sections[sectionId as SectionType];
 		if (section) {
 			return renderBuiltInSection(sectionId as SectionType, section, colorHex);
@@ -405,17 +391,19 @@ export function buildDocument(data: ResumeData): Document {
 
 	const documentChildren: (Paragraph | Table)[] = [];
 
+	// ponytail: hoisted once; sidebar call spreads only the two differing color keys
+	const mainConfig = {
+		headingFont,
+		headingSizeHalfPt: headingSize,
+		bodyFont,
+		bodySizeHalfPt: bodySize,
+		textColorHex,
+		primaryColorHex: colorHex,
+	};
+
 	// Header placement depends on template
 	if (templateConfig.headerPosition === "full-width") {
-		// Configure colors for main content
-		setRenderConfig({
-			headingFont,
-			headingSizeHalfPt: headingSize,
-			bodyFont,
-			bodySizeHalfPt: bodySize,
-			textColorHex,
-			primaryColorHex: colorHex,
-		});
+		setRenderConfig(mainConfig);
 		documentChildren.push(...buildHeader(data, colorHex, textColorHex));
 	}
 
@@ -424,27 +412,13 @@ export function buildDocument(data: ResumeData): Document {
 		const isFullWidth = layoutPage.fullWidth || layoutPage.sidebar.length === 0;
 
 		if (isFullWidth) {
-			setRenderConfig({
-				headingFont,
-				headingSizeHalfPt: headingSize,
-				bodyFont,
-				bodySizeHalfPt: bodySize,
-				textColorHex,
-				primaryColorHex: colorHex,
-			});
+			setRenderConfig(mainConfig);
 			for (const sectionId of [...layoutPage.main, ...layoutPage.sidebar]) {
 				documentChildren.push(...renderSection(sectionId, data, colorHex));
 			}
 		} else {
 			// Render main sections with normal colors
-			setRenderConfig({
-				headingFont,
-				headingSizeHalfPt: headingSize,
-				bodyFont,
-				bodySizeHalfPt: bodySize,
-				textColorHex,
-				primaryColorHex: colorHex,
-			});
+			setRenderConfig(mainConfig);
 
 			const mainParagraphs: Paragraph[] = [];
 			if (templateConfig.headerPosition === "main-only") {
@@ -455,14 +429,7 @@ export function buildDocument(data: ResumeData): Document {
 			}
 
 			// Render sidebar sections with potentially inverted colors
-			setRenderConfig({
-				headingFont,
-				headingSizeHalfPt: headingSize,
-				bodyFont,
-				bodySizeHalfPt: bodySize,
-				textColorHex: sidebarTextColorHex,
-				primaryColorHex: sidebarHeadingColorHex,
-			});
+			setRenderConfig({ ...mainConfig, textColorHex: sidebarTextColorHex, primaryColorHex: sidebarHeadingColorHex });
 
 			const sidebarParagraphs: Paragraph[] = [];
 			if (templateConfig.headerPosition === "sidebar-only") {