Read roots: links.findFiles and image.info follow the configured read roots

With automation read roots in force, links.findFiles and text.findFontFiles
replies, including later polls and stops of a search another client started,
leave out the files found outside the caller's read roots, a sought link's
saved path outside them and the folder searched when it is outside them. A
failed search then gives its reason without the path. The rows keep their
names, ids and status, and the counts stay.

image.info gives link: null for a linked file outside the read roots, as
links.info does. text.addFontFiles gives folder: null when the Fonts folder
is outside the read roots and names the copies there by their file names;
the fonts are still copied.

Docs: docs/mcp.md, docs/target-app-parity.md.

docs/mcp.md

@@ -201,6 +201,14 @@ the suite) keep the agent to the folders you give it:
   and `modified` the document keeps of that file. Each row keeps its id, `name` (`fileName`), status and other
   fields. This applies to every document, also one the person or a client with wider roots opened. The paths a
   client gives `links.relink` and `links.unembed` stay in their replies, and the document's links are not changed.
+- `image.info` gives `link: null` for a linked file outside the read roots, as `links.info` leaves it out; its id,
+  name, `linked` and the other fields stay. `links.findFiles` and `text.findFontFiles` replies, including later
+  `{}` and `{stop: true}` calls on a search another client started, leave out the files found outside the read
+  roots (with their `size` and `match`), a sought link's `path` outside them, and `folder` when the folder searched
+  is outside them; `error` then gives the reason without the path (for example `the folder can't be read`). The
+  rows keep their `name`, `ids`, family, style and status, and the counts stay. `text.addFontFiles` gives
+  `folder: null` when VectorCraft's Fonts folder is outside the read roots, and only the file name in `copied` and
+  `kept` `to` and in `skipped` `file` for a path outside them; the fonts are still copied.
 - `prefs.get`, `prefs.list`, `prefs.set` and `prefs.reset` show a folder preference outside the read roots
   (`fontsFolder`, `pluginsFolder`, `scratchPrimary`, `scratchSecondary`, `recoveryFolder`, `templatesFolder`) as
   `null`; an empty folder and the scratch disk choices `Startup` and `None` stay. In `prefs.get {}` and

docs/target-app-parity.md

@@ -763,6 +763,7 @@ Moved from the ROADMAP's "Shipped so far" on 2026-10-10. Update it when a featur
   - Saves, Export for Screens and Package under `--automation-read-root`: a save without a path leaves the document's own file out of its reply, and a save without a path known leaves out the suggested folder, when they are outside the read roots; Export for Screens into an export preset's folder outside them lists its files relative to that folder and names that folder by its name in an error, and the export settings and saved presets leave out a folder outside them when read or exported; Package's report and warnings, and Document Info's linked images, name a file outside them by its file name. A path the client gives stays in the reply. `crates/engine/src/tests/save.rs`, `crates/engine/src/cmd/fileio/tests_screens.rs`, `crates/engine/src/tests/package.rs`, `crates/ui-egui/src/tests/automation.rs`.
   - `ui.inspect` under `--automation-read-root`: the documents still opening, the recent files, library panels' files and folder preferences (saved, and in an open Preferences dialog) outside the read roots are left out of the reply, a library loaded from outside them shows by its file name in `ui.inspect` and `ui.docking`, and the app's state is not changed. `crates/ui-egui/src/tests/automation.rs` (`ui_inspect_leaves_out_paths_outside_the_read_root`).
   - Link replies under `--automation-read-root`: `links.list`, `links.check`, `links.info` and `document.open`'s link rows leave out the path, found path and folder of a linked file outside the read roots, and the stored size and date of it in `links.info`; each row keeps its id, file name and status, and the document's links are not changed. `crates/engine/src/tests/linkspanel.rs` (`link_paths_outside_the_read_roots_are_left_out`), `crates/engine/src/tests/placed_document.rs` (`link_info_leaves_out_a_placed_documents_path_outside_the_read_roots`).
+  - Linked-file and font-file searches under `--automation-read-root`: `links.findFiles` and `text.findFontFiles` replies, also later polls and stops of a search another client started, leave out the files found, a link's saved path and the folder searched outside the caller's read roots, and a failed search gives its reason without the path; `image.info` gives `link: null` for a linked file outside them; `text.addFontFiles` gives `folder: null` and the copies' file names when the Fonts folder is outside them. `crates/engine/src/tests/linkfiles.rs`, `crates/engine/src/tests/fontfiles.rs`, `crates/engine/tests/font_folder.rs`.
   - Swatch, brush, symbol and graphic style library lists under `--automation-read-root`: every library stays listed, the paths of library files and the user library folder outside the read roots are `null`, a library loaded from outside them is listed and found as `loaded/<file name>` and keeps that id for the session, and the app's own list is not changed. `crates/engine/src/tests/library_roots.rs`.
   - Preferences commands under `--automation-read-root`: `prefs.get`, `prefs.list`, `prefs.set` and `prefs.reset` show folder preferences outside the read roots as `null` and leave out an export preset's folder outside them, and the preferences are not changed. `crates/engine/src/tests/prefs_roots.rs`.
   - Scripts: `alert`, `confirm` and `prompt` open dialogs during a run, each with a Stop button that ends the run and puts every document back. In the app the run waits at the call for the person's answer; a run over MCP or the command line takes its answers in order from `script.run`'s `answers`, and the report lists each dialog with its answer. `crates/engine/src/tests/script_dialogs.rs`, `crates/ui-egui/src/tests/script_dialogs.rs`.