Part of #868: legacy .ai options Hidden Objects and Text, and docs

The Legacy .ai Options dialog gains Hidden Objects (Hidden Layer, Omit, Make Visible) and Text
(Editable, Outlines), translated in every catalog. Docs: type and hidden objects in the legacy
.ai paragraphs, the restored revision rows and roadmap row.

docs/control-protocol.md

@@ -622,7 +622,8 @@ Native save options: File → Save As to a native or `.ai` file opens the `saveO
 artboard; false: `range`, such as "1-3, 5"), `includeLinked`, `embedProfiles`, `pdfCompatible`, `compress`, and for
 native files `version` and `preview`. A bad range keeps the dialog open; `ui.dialog.confirm` writes the file and the
 artboards' files. A `.ai` file's `aiVersion` comes first: `"pdf"` (the default) or `"7"` (legacy, heading "Legacy .ai
-Options"), which takes only `transparentImages` (`"flatten"` or `"omit"`) and, with several artboards, the artboard
+Options"), which takes only `transparentImages` (`"flatten"` or `"omit"`), `hiddenObjects` (`"layer"`, `"omit"` or
+`"visible"`, the Hidden Objects menu), `outlineText` (the Text menu: false Editable, true Outlines) and, with several artboards, the artboard
 picker: `boards`, one bool per artboard (default: those last saved, else all), saved as `range`, one file per checked
 artboard. OK is disabled with none checked.
 

docs/mcp.md

@@ -597,7 +597,9 @@ document, takes the PDF options and keeps its path when reopened, so Save writes
 without giving the document a path. `options: {aiVersion: "7"}` writes legacy `.ai` files of version 7 instead (the
 PostScript form, which keeps layers, groups, compound paths and clipping groups in apps that read it), one per artboard
 of `range` (default all; `{name}-{artboard}.ai` when several, listed in the result's `files`), with
-`transparentImages: "flatten"` (default) or `"omit"` for images with see-through pixels, opacity or a blending mode.
+`transparentImages: "flatten"` (default) or `"omit"` for images with see-through pixels, opacity or a blending mode,
+`hiddenObjects: "layer"` (default: a hidden layer of each layer's hidden objects), `"omit"` or `"visible"`, and
+`outlineText: true` to write type as outlines instead of text objects.
 
 Drive a tool like a mouse: