<summary> Returns the SHA-256 hash of the embedded DLL, or null if not embedded. Result is cached after first call. </summary>

<summary> Reads library folder paths from Steam's libraryfolders.vdf. Always includes the main Steam path as the first entry. </summary>

Legacy EMsg 820: CMsgClientStoreUserStats2. Response is EMsg 821.

Mirror of CheckBlobExists's local-stat half; kept in sync so the BootstrapAutoCloudFilesWorker pre/post-lock checks agree on cache state.

Returns true only for reparse tags that can redirect a recursive scan (NTFS junctions, symlinks). Cloud placeholders / AppExecLink / WSL / WIM remain

No reparse points on Linux - always returns false

No reparse points on Linux

<summary> Validates that a path from the undo log is safe to use. Rejects relative paths and paths containing ".." traversal. Does NOT restrict to the

<summary>True if the lua contains addappid(&lt;appId&gt;) for its own filename appId.</summary>

<summary> Reject filenames Windows would canonicalize (trailing dot/space, path separators, traversal, reserved DOS device names). </summary>

<summary>True if the URL is a file:// URI inside the image cache dir (traversal-checked).</summary>

<summary>True if the URL is HTTPS on an allow-listed Steam CDN host.</summary>

<summary>Enumerate every app's stats.json in the cloud. Returns empty when no cloud is configured.</summary>

<summary>List blob filenames under {accountId}/{appId}/blobs/. Local/no-cloud always Complete=true.</summary>

All files under an app folder, via path-based addressing.

Recursive children listing by item ID.