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* fix(filesystem): return string in structuredContent to match outputSchema
The directory_tree, move_file, and list_directory_with_sizes tools were
returning an array in structuredContent.content, but outputSchema declares
content as z.string(). This caused MCP error -32602 validation failures.
Changed structuredContent from { content: [contentBlock] } to { content: text }
to match the declared outputSchema and be consistent with other filesystem
tools like list_directory and search_files.
Fixes #3110, #3106, #3093
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* test(filesystem): add integration tests for structuredContent schema compliance
Adds tests to verify that directory_tree, list_directory_with_sizes, and
move_file tools return structuredContent.content as a string (matching
outputSchema) rather than an array.
These tests prevent regression of issues #3110, #3106, #3093.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: adam jones <domdomegg+git@gmail.com>