Changed tool loading to use relative path from current directory instead
of hardcoded HOME/gb path. This makes the code portable across different
deployment environments.
- Updated use_tool.rs to use std::env::current_dir()
- Updated tool_context.rs to use std::env::current_dir()
- Added PathBuf import to both files
- Tools now load from botserver-stack/data/system/work/
Fixes issue where tools weren't being loaded because .mcp.json files
were in a different location than expected.
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Co-Authored-By: Claude <noreply@anthropic.com>