fix: improve frontmatter parsing

src/hooks/frontmatter.ts

@@ -1,4 +1,6 @@
 import JSON5 from "json5";
+
+import { parseFrontmatterBlock } from "../markdown/frontmatter.js";
 import type {
   ClawdbotHookMetadata,
   HookEntry,
@@ -7,107 +9,8 @@ import type {
   ParsedHookFrontmatter,
 } from "./types.js";
 
-function stripQuotes(value: string): string {
-  if (
-    (value.startsWith('"') && value.endsWith('"')) ||
-    (value.startsWith("'") && value.endsWith("'"))
-  ) {
-    return value.slice(1, -1);
-  }
-  return value;
-}
-
-/**
- * Extract a multi-line block value from frontmatter lines.
- * Handles indented continuation lines (YAML-style multi-line values).
- *
- * @param lines - All lines in the frontmatter block
- * @param startIndex - Index of the line containing the key
- * @returns The combined multi-line value and the number of lines consumed
- */
-function extractMultiLineValue(
-  lines: string[],
-  startIndex: number,
-): { value: string; linesConsumed: number } {
-  const startLine = lines[startIndex];
-  const match = startLine.match(/^([\w-]+):\s*(.*)$/);
-  if (!match) return { value: "", linesConsumed: 1 };
-
-  const inlineValue = match[2].trim();
-
-  // If there's a value on the same line, return it (single-line case)
-  if (inlineValue) {
-    return { value: inlineValue, linesConsumed: 1 };
-  }
-
-  // Multi-line case: collect indented continuation lines
-  const valueLines: string[] = [];
-  let i = startIndex + 1;
-
-  while (i < lines.length) {
-    const line = lines[i];
-    // Stop if we hit a non-indented line (new key or empty line without indent)
-    if (line.length > 0 && !line.startsWith(" ") && !line.startsWith("\t")) {
-      break;
-    }
-    valueLines.push(line);
-    i++;
-  }
-
-  // Join and trim the multi-line value
-  const combined = valueLines.join("\n").trim();
-  return { value: combined, linesConsumed: i - startIndex };
-}
-
 export function parseFrontmatter(content: string): ParsedHookFrontmatter {
-  const frontmatter: ParsedHookFrontmatter = {};
-  const normalized = content.replace(/\r\n/g, "\n").replace(/\r/g, "\n");
-  if (!normalized.startsWith("---")) return frontmatter;
-  const endIndex = normalized.indexOf("\n---", 3);
-  if (endIndex === -1) return frontmatter;
-  const block = normalized.slice(4, endIndex);
-  const lines = block.split("\n");
-
-  let i = 0;
-  while (i < lines.length) {
-    const line = lines[i];
-    const match = line.match(/^([\w-]+):\s*(.*)$/);
-    if (!match) {
-      i++;
-      continue;
-    }
-
-    const key = match[1];
-    const inlineValue = match[2].trim();
-
-    if (!key) {
-      i++;
-      continue;
-    }
-
-    // Check if this is a multi-line value (no inline value and next line is indented)
-    if (!inlineValue && i + 1 < lines.length) {
-      const nextLine = lines[i + 1];
-      if (nextLine.startsWith(" ") || nextLine.startsWith("\t")) {
-        // Multi-line value
-        const { value, linesConsumed } = extractMultiLineValue(lines, i);
-        if (value) {
-          frontmatter[key] = value;
-        }
-        i += linesConsumed;
-        continue;
-      }
-    }
-
-    // Single-line value
-    const value = stripQuotes(inlineValue);
-    if (value) {
-      frontmatter[key] = value;
-    }
-    i++;
-  }
-
-  return frontmatter;
+  return parseFrontmatterBlock(content);
 }
 
 function normalizeStringList(input: unknown): string[] {
@@ -172,7 +75,6 @@ export function resolveClawdbotMetadata(
   const raw = getFrontmatterValue(frontmatter, "metadata");
   if (!raw) return undefined;
   try {
-    // Use JSON5 to handle trailing commas and other relaxed JSON syntax
     const parsed = JSON5.parse(raw) as { clawdbot?: unknown };
     if (!parsed || typeof parsed !== "object") return undefined;
     const clawdbot = (parsed as { clawdbot?: unknown }).clawdbot;