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fix: carry verified storage capability and deterministic Canvas checks

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haelyra
2026-10-11 12:49:24 -04:00
parent 99ee8a8818 33372e9970
commit 0d4fd902ca
6 changed files with 113 additions and 15 deletions
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scripts/lib/skill-evolution/versioning.js
+47 -2
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@@ -231,8 +231,8 @@ function removeOwnedStaging(staging, contentIdentity) {
fs.rmdirSync(staging.path);
}
function prepareStaging(versionsDir) {
const stagingDir = fs.mkdtempSync(path.join(versionsDir, '.snapshot-'));
function prepareStaging(versionsDir, prefix = '.snapshot-') {
const stagingDir = fs.mkdtempSync(path.join(versionsDir, prefix));
try {
return { path: stagingDir, contentPath: path.join(stagingDir, 'content.md'), identity: fs.lstatSync(stagingDir) };
} catch (primaryError) {
@@ -244,10 +244,54 @@ function prepareStaging(versionsDir) {
}
}
function verifySnapshotStorage(skillPath) {
const versionsDir = getVersionsDir(skillPath);
const base = fs.existsSync(versionsDir) ? versionsDir : normalizeSkillDir(skillPath);
const staging = prepareStaging(base, '.snapshot-storage-');
const linkPath = path.join(staging.path, 'hardlink-check.md');
let identity;
let linked = false;
let linking = false;
try {
const descriptor = fs.openSync(staging.contentPath, 'wx');
try {
identity = fs.fstatSync(descriptor);
fs.writeFileSync(descriptor, 'ECC snapshot storage check\n', 'utf8');
} finally {
fs.closeSync(descriptor);
}
linking = true;
fs.linkSync(staging.contentPath, linkPath);
linked = true;
linking = false;
removeOwnedSnapshot({ path: linkPath, identity });
linked = false;
removeOwnedStaging(staging, identity);
} catch (primaryError) {
try {
if (linked) removeOwnedSnapshot({ path: linkPath, identity });
removeOwnedStaging(staging, identity);
} catch (recoveryError) {
const error = new Error(`${primaryError.message}; storage-check cleanup failed: ${recoveryError.message}; recovery is pending`, { cause: primaryError });
error.primaryError = primaryError;
error.recoveryError = recoveryError;
throw error;
}
if (linking && ['ENOTSUP', 'EOPNOTSUPP', 'ENOSYS', 'EPERM', 'EXDEV', 'EINVAL'].includes(primaryError.code)) {
const error = new Error(`Skill versioning requires hardlink-capable storage for snapshot creation and rollback; capability check failed before history initialization (${primaryError.code})`, { cause: primaryError });
error.code = primaryError.code;
error.primaryError = primaryError;
throw error;
}
throw primaryError;
}
}
function publishVersion(skillPath, skillContent, options) {
ensureSkillExists(skillPath);
const nextVersion = allocateSnapshotVersion(skillPath);
const versionsDir = getVersionsDir(skillPath);
verifySnapshotStorage(skillPath);
ensureSkillVersioning(skillPath);
const staging = prepareStaging(versionsDir);
const stagedPath = staging.contentPath;
@@ -294,6 +338,7 @@ function recordSnapshot(skillPath, snapshot, options) {
return { version: snapshot.version, path: snapshot.path, created_at: snapshot.created_at };
}
/** Snapshot creation requires hardlink-capable storage, checked before history initialization. */
function createVersion(skillPath, options = {}) {
const skillFilePath = ensureSkillExists(skillPath);
const skillContent = fs.readFileSync(skillFilePath, 'utf8');