feat: work with docs/xls and simple html

[michaelneale]

Using small libraries to allow editing of docx/xlxs files when they are referred, in the computer controller MCP
Also includes simple html presentation capability (no library needed)

addresses issue: #1527

this does add a couple of dependencies, a few MB added to goose binary (2-3MB out of 55M) - which will only be used when using CC MCP of course.

• docx basic support (create, edit, styles)
• image support
• xls/excel spreadsheet support
• tool to prompt creating of presentations

docs and spreadsheets:

presentations:

PR Overview

This PR adds support for editing and creating simple presentations along with XLSX file processing by introducing two new tools: one for HTML-based slides and one for Excel spreadsheets.

• Introduces a presentation tool that creates and updates HTML presentations.
• Adds an XLSX tool for working with Excel files including worksheet listing, cell updates, and range querying.
• Updates Cargo.toml to include new dependencies (docx-rs, image, umya-spreadsheet) required for the new features.

Reviewed Changes

File	Description
crates/goose-mcp/src/computercontroller/presentation_tool.rs	Implements presentation creation and slide addition functionalities using an HTML template.
crates/goose-mcp/src/computercontroller/xlsx_tool.rs	Provides XLSX file processing utilities such as worksheet info fetching, cell updates, and range extraction.
crates/goose-mcp/Cargo.toml	Adds new dependencies required by the presentation and XLSX tools.

Copilot reviewed 9 out of 9 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (2)

crates/goose-mcp/src/computercontroller/presentation_tool.rs:229

• The marker string is defined as a partial comment and may not exactly match the full marker in the HTML template, potentially leading to insertion issues. Consider defining the marker with the complete expected content from the template.

let marker = "<!-- ADD_SLIDES_HERE";

crates/goose-mcp/src/computercontroller/presentation_tool.rs:240

• Using a string replace to update the slide count may inadvertently modify unintended parts of the HTML if similar text exists elsewhere. Consider using a more targeted approach, such as regex matching or a specific template placeholder, to ensure only the intended slide count is updated.

html = html.replace(&format!("--num-slides: {}", current_slides), &format!("--num-slides: {}", new_count));

[salman1993]

is this tests directory meant to be under src/

[michaelneale]

that I wasn't sure about - I didn't want it included in the binary (it isn't, I checked) but maybe doesn't matter if it is under src?

[salman1993]

the only awkward thing i noticed was the LLM at the end said: Let me analyze the data from ... row -> when it was actually a column (not sure if we're doing a transpose or there might be a naming issue or hallucination ofcourse)