* feat(web): add per-server Roots config + client roots capability (#1425)
Add MCP roots support to the v2 web Inspector as a per-server config
section in the server settings form (no separate Roots tab/screen).
- Persistence: add `roots: Root[]` to `InspectorServerSettings` and
`StoredMCPServer`; thread through serverList converters (lift on read,
drop empty-uri rows / blank names on write, omit when empty) and the
remote server's read-side drop guard + `validateSettings`.
- Capability: `setupClientForServer` always advertises the roots
capability (`roots: cleanRoots(savedSettings?.roots ?? [])`) so the
server can issue `roots/list` and receive `roots/list_changed`.
- Live apply: edits to a connected server's roots are pushed via
`inspectorClient.setRoots(...)` once, on settings-dialog close — diffed
against the client's current roots — rather than per keystroke, to
avoid flooding the server with `roots/list_changed` / `roots/list`.
- Form: new Roots accordion section with a required URI and an optional
name per row (unlike v1, which was URI-only), + Add Root, and remove.
Tests cover the persistence round-trip (serverList + servers-route),
the form/modal section, and reuse the existing InspectorClient
roots/`setRoots` integration coverage.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* refactor(roots): address review — dedup guards/cleanRoots, preserve extra fields, test live-apply
Responding to the PR #1431 code review:
- Dedup `isRootArray`: drop the copy inside `validateSettings` and reuse the
module-scope guard the read path uses, so the two can't drift
(core/mcp/remote/node/server.ts).
- Dedup the clean-roots normalizer: hoist a single exported `cleanRoots`
into core/mcp/serverList.ts and reuse it from both
`inspectorSettingsToStoredFields` and App.tsx (drops the local copy).
- Preserve non-form root fields (e.g. `_meta`): `cleanRoots` now spreads the
carried-through fields and only normalizes uri/name, and the modal's
`handleRootChange` spreads the existing root on edit — so a hand-edited
root's `_meta` survives load + persist + edit instead of being silently
dropped.
- Test the App live-apply-on-close path: new App.test.tsx cases assert
setRoots is called once with cleaned roots when changed on the active
server, and not called when the cleaned roots already match what the
client advertises. Adds a cleanRoots unit test (blank drop + _meta
preserve).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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