tia-project-generallisted

# tia-project-general ## Scope Project and portal lifecycle — full C# Openness implementation. When the roadmap routes here, the entire solution is C#. Do not mix with Python wrapper calls. Always load `tia-csharp-common` first (done by roadmap). --- ## Reference files Load ONLY the reference file(s) relevant to the task. Do not load all files at once. | Reference file | When to use | |---|---| | `references/project-lifecycle.md` | Load when the task involves project-level lifecycle operations: Open, OpenWithUpgrade, Create, Save, SaveAs, Close, Archive, Retrieve, RetrieveWithUpgrade, delete, or copy. | | `references/project-attributes.md` | Load when the task involves reading project metadata (Author, Name, Version, Path, Size, dates), project history entries, used products, simulation/virtual PLC properties, or accessing the VCI service entry point. | | `references/language-settings.md` | Load when the task involves project languages, active/editing/reference languages, multilingual text (MultilingualText, MultilingualTextItem), CommentML on devices, or VCI language import options. | | `references/umac-and-auth.md` | Load when the task involves UMAC-protected project operations, UmacDelegate, Authentication events, ProjectOpenMode (Primary/Secondary), or UMAC user types. | | `references/compile.md` | Load when the task involves compiling any object (PlcSoftware, HmiTarget, Device, CodeBlock, etc.) via ICompilable or reading CompilerResult. | | `references/portal-sett