Simplify evaluator notebook output with a <result uuid> marker

[rhennigan]

Summary

Cleans up the WolframLanguageEvaluator (and WolframAlpha) UI-path tool output when a notebook is embedded. The verbose agent-facing marker is replaced with a compact <result uuid="…"> wrapper around the output, and the session reminder is shortened to one line.

Before

Out[1]= 2543568463<internal>This tool call was displayed to the user as an interactive notebook, which they can already see. The URL below only renders that notebook; you do not need to read, repeat, visit, or otherwise use it. <url>https://www.wolframcloud.com/obj/rhennigan/AgentTools/Notebooks/68f8eee5773a415e.nb</url></internal>

<system-reminder>Wolfram session ID: Ei685Jkk. To continue this session (its definitions, line numbers, and history) in your next call to this tool, pass session="Ei685Jkk". Omit the session parameter only to start a new, empty session.</system-reminder>

After

<result uuid="e0f29bea-667b-4780-b36b-59de225e660e">
Out[1]= 2543568463
</result>

<system-reminder>Pass session="Ei685Jkk" in future calls to this tool to continue this session.</system-reminder>

How it works

• Notebooks deploy with CloudObjectNameFormat -> "UUID", so the deployed URL is already https://www.wolframcloud.com/obj/<uuid> — no extra Information round-trip. The hashed deploy path is kept, so identical evaluations still dedup to one stable object (same path → same UUID).
• makeNotebookUIResult wraps the content in <result uuid="…">…</result> (wrapResultTags); cloudNotebookUUID pulls the uuid out of the deployed URL.
• Each viewer (evaluator, wolframalpha, notebook) reconstructs the identical cloud URL from the marker's uuid when a host drops _meta (ext-apps#696), and stripAgentOnlyText removes the <result> tags while preserving the inner result text.
• URL recovery prefers the first marker (the server prepends the opening tag), so a <result uuid="…"> string appearing in user evaluation output — which can only come after the server's tag — can't hijack the embedded URL.

Test plan

• TestReport on MCPApps.wlt, EvaluatorSessions.wlt, WolframLanguageEvaluator-UI.wlt, WolframAlpha-UI.wlt — 158/158 pass. Includes the rewritten marker tests and a new cloudNotebookUUID test.
• CodeInspector clean on the changed .wl files (only pre-existing FIXME warnings remain).
• Real end-to-end deploy of Prime[123456789] through the updated pipeline produces exactly the "After" output, with _meta.notebookUrl's uuid matching the marker.
• Viewer JS extracted from the shipped HTML and executed: recovers the URL matching _meta, resists the injection case (server's real uuid wins), strips to clean Out[1]= 2543568463, and returns null when no marker is present.

🤖 Generated with Claude Code

https://claude.ai/code/session_01YXQ4f3K8pZyuMtV2aii21q

[Copilot]

Pull request overview

Updates the UI-enhanced tool result path for embedded notebooks by replacing the previous verbose, agent-facing URL marker with a compact <result uuid="...">…</result> wrapper that viewers can use to reconstruct the Wolfram Cloud notebook URL when _meta is dropped by the host.

Changes:

• Wrap cloud notebook tool output in <result uuid="…">…</result> markers and add UUID extraction (cloudNotebookUUID) to support URL recovery.
• Update the evaluator, Wolfram|Alpha, and notebook viewers to recover notebook URLs from the new marker and to strip the marker tags from displayed text.
• Refresh documentation and tests to match the new marker format and session reminder text.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
Tests/MCPApps.wlt	Updates marker tests to validate <result uuid="..."> wrapping and adds a cloudNotebookUUID extraction test.
Kernel/UIResources.wl	Implements result wrapping, UUID extraction, and configures cloud notebook deployment to return UUID-form URLs.
Kernel/Tools/WolframLanguageEvaluator.wl	Updates UI-result comment and shortens the session reminder text format.
Kernel/Tools/WolframAlpha.wl	Updates UI-result comment to reflect the new <result uuid> marker.
docs/mcp-apps.md	Documents the new marker format and UUID-based URL recovery behavior.
Assets/Apps/wolframalpha-viewer.html	Switches URL recovery/stripping logic from <internal><url> to <result uuid>.
Assets/Apps/notebook-viewer.html	Switches URL recovery logic from <internal><url> to <result uuid>.
Assets/Apps/evaluator-viewer.html	Switches URL recovery/stripping logic from <internal><url> to <result uuid>.

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