fix: reduce board audit noise

scripts/src/gh.ts

@@ -1279,10 +1279,60 @@ function extractIssueNumbers(text: string): number[] {
   return numbers;
 }
 
-function cellHasMeaningfulValue(value: string | undefined): boolean {
+function primaryBoardIssueNumberFromIssueCell(issueCell: string | undefined): number | null {
+  if (issueCell === undefined) return null;
+  const markdownLinkPattern = /\[[^\]]*]\(([^)]*)\)/g;
+  let match = markdownLinkPattern.exec(issueCell);
+  while (match !== null) {
+    const issueNumber = /\/issues\/(\d+)/u.exec(match[1] ?? "")?.[1];
+    if (issueNumber !== undefined) {
+      const value = Number(issueNumber);
+      if (Number.isInteger(value) && value > 0) return value;
+    }
+    match = markdownLinkPattern.exec(issueCell);
+  }
+  const leadingIssueReference = /^\s*#(\d+)\b/u.exec(issueCell)?.[1];
+  if (leadingIssueReference !== undefined) {
+    const value = Number(leadingIssueReference);
+    if (Number.isInteger(value) && value > 0) return value;
+  }
+  return null;
+}
+
+function normalizedBoardCellPlaceholder(value: string): { spaced: string; compact: string } {
+  const spaced = stripMarkdownInline(value).toLowerCase().replace(/\s+/g, " ").trim();
+  return { spaced, compact: spaced.replace(/\s+/g, "") };
+}
+
+function isRelatedTaskNoTaskPlaceholder(value: string): boolean {
+  const normalized = normalizedBoardCellPlaceholder(value);
+  return [
+    "-",
+    "—",
+    "–",
+    "n/a",
+    "na",
+    "none",
+    "no task",
+    "no-task",
+    "no code queue task",
+    "not applicable",
+  ].includes(normalized.spaced) || [
+    "无",
+    "无任务",
+    "无关联任务",
+    "无相关任务",
+    "无codequeue任务",
+    "无codequeuetask",
+    "不适用",
+  ].includes(normalized.compact);
+}
+
+function cellHasMeaningfulValue(value: string | undefined, column: BoardRequiredColumn): boolean {
   if (value === undefined) return false;
   const stripped = stripMarkdownInline(value);
   if (stripped.length === 0) return false;
+  if (column === "relatedTask" && isRelatedTaskNoTaskPlaceholder(value)) return true;
   return !["-", "—", "n/a", "na", "todo", "tbd", "待补", "未填", "无"].includes(stripped.toLowerCase());
 }
 
@@ -1318,7 +1368,10 @@ function parseBoardTables(body: string): { sections: BoardTableSection[]; warnin
       if (!isMarkdownTableSeparator(lines[rowIndex])) {
         const cells = markdownCells(lines[rowIndex]);
         const issueCell = issueColumnIndex === null ? undefined : cells[issueColumnIndex];
-        const issueNumbers = issueColumnIndex === null ? extractIssueNumbers(lines[rowIndex]) : extractIssueNumbers(issueCell ?? "");
+        const primaryIssueNumber = issueColumnIndex === null ? null : primaryBoardIssueNumberFromIssueCell(issueCell);
+        const issueNumbers = issueColumnIndex === null
+          ? extractIssueNumbers(lines[rowIndex])
+          : (primaryIssueNumber === null ? extractIssueNumbers(issueCell ?? "") : [primaryIssueNumber]);
         const columns: Partial<Record<BoardRequiredColumn, string>> = {};
         for (const column of BOARD_AUDIT_REQUIRED_COLUMNS) {
           const cellIndex = columnMap.get(column);
@@ -1359,7 +1412,7 @@ function parseBoardTables(body: string): { sections: BoardTableSection[]; warnin
             rowPreview: preview(row.raw),
           });
         }
-        const missingColumns = BOARD_AUDIT_REQUIRED_COLUMNS.filter((column) => !cellHasMeaningfulValue(columns[column]));
+        const missingColumns = BOARD_AUDIT_REQUIRED_COLUMNS.filter((column) => !cellHasMeaningfulValue(columns[column], column));
         if (missingColumns.length > 0) {
           warnings.push({
             issueNumber: row.issueNumber,