we recently changed file linking so the model uses markdown links when
it wants something to be clickable.
This works well across the GUI surfaces because they can render markdown
cleanly and use the full absolute path in the anchor target.
A previous pass hid the absolute path in the TUI (and only showed the
label), but that also meant we could lose useful location info when the
model put the line number or range in the anchor target instead of the
label.
This follow-up keeps the TUI behavior simple while making local file
links feel closer to the old TUI file reference style.
key changes:
- Local markdown file links in the TUI keep the old file-ref feel: code
styling, no underline, no visible absolute path.
- If the hidden local anchor target includes a location suffix and the
label does not already include one, we append that suffix to the visible
label.
- This works for single lines, line/column references, and ranges.
- If the label already includes the location, we leave it alone.
- normal web links keep the old TUI markdown-link behavior
some examples:
- `[foo.rs](/abs/path/foo.rs)` renders as `foo.rs`
- `[foo.rs](/abs/path/foo.rs:45)` renders as `foo.rs:45`
- `[foo.rs](/abs/path/foo.rs:45:3-48:9)` renders as `foo.rs:45:3-48:9`
- `[foo.rs:45](/abs/path/foo.rs:45)` stays `foo.rs:45`
- `[docs](https://example.com/docs)` still renders like a normal web
link
how it looks:
<img width="732" height="813" alt="Screenshot 2026-02-26 at 9 27 55 AM"
src="https://github.com/user-attachments/assets/d51bf236-653a-4e83-96e4-9427f0804471"
/>
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