Method readBoundedTextFile

src/node/services/memoryService.ts:883–895

* Bounded full-file read for every whole-file path (view, edits, UI read, * save compare). Memory files can be edited outside MemoryService write caps, * so an unbounded read of a degenerate file could hang the main process or * blow up the stream context. Reads at most cap+1 bytes and reje

(
    store: MemoryStore,
    relPath: string,
    virtualPath: string
  )

   * and the bytes must be read first).
   */
  private async readBoundedTextFile(
    store: MemoryStore,
    relPath: string,
    virtualPath: string
  ): Promise<string> {
    const content = await store.readFilePrefix(relPath, MEMORY_MAX_FILE_BYTES + 1);
    if (Buffer.byteLength(content, "utf-8") > MEMORY_MAX_FILE_BYTES) {
      throw new MemoryCommandError(
        `${virtualPath} exceeds the ${MEMORY_MAX_FILE_BYTES}-byte memory file cap (likely edited outside Mux, bypassing write caps); shrink or delete it`
      );
    }
    return content;
  }

  private async readTextFileForEdit(
    store: MemoryStore,