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MAESTRO: Fix CLAUDE.md race condition from PR #974 - skip folders with active CLAUDE.md edits

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Prevents "file modified since read" errors when Claude Code is actively editing
a CLAUDE.md file by detecting CLAUDE.md paths in observation file lists and
skipping those folders during updates. Closes #859. Credit: @cheapsteak.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Alex Newman
2026-02-05 23:57:32 -05:00
parent 20333e6214
commit 15e9473533
4 changed files with 204 additions and 51 deletions
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src/utils/claude-md-utils.ts
+25
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@@ -266,6 +266,26 @@ export async function updateFolderClaudeMdFiles(
const settings = SettingsDefaultsManager.loadFromFile(SETTINGS_PATH);
const limit = parseInt(settings.CLAUDE_MEM_CONTEXT_OBSERVATIONS, 10) || 50;
// Track folders containing CLAUDE.md files that were read/modified in this observation.
// We must NOT update these - it would cause "file modified since read" errors in Claude Code.
// See: https://github.com/thedotmack/claude-mem/issues/859
const foldersWithActiveClaudeMd = new Set<string>();
// First pass: identify folders with actively-used CLAUDE.md files
for (const filePath of filePaths) {
if (!filePath) continue;
const basename = path.basename(filePath);
if (basename === 'CLAUDE.md') {
let absoluteFilePath = filePath;
if (projectRoot && !path.isAbsolute(filePath)) {
absoluteFilePath = path.join(projectRoot, filePath);
}
const folderPath = path.dirname(absoluteFilePath);
foldersWithActiveClaudeMd.add(folderPath);
logger.debug('FOLDER_INDEX', 'Detected active CLAUDE.md, will skip folder', { folderPath });
}
}
// Extract unique folder paths from file paths
const folderPaths = new Set<string>();
for (const filePath of filePaths) {
@@ -290,6 +310,11 @@ export async function updateFolderClaudeMdFiles(
logger.debug('FOLDER_INDEX', 'Skipping project root CLAUDE.md', { folderPath });
continue;
}
// Skip folders where CLAUDE.md was read/modified in this observation (issue #859)
if (foldersWithActiveClaudeMd.has(folderPath)) {
logger.debug('FOLDER_INDEX', 'Skipping folder with active CLAUDE.md to avoid race condition', { folderPath });
continue;
}
folderPaths.add(folderPath);
}
}