Updates workflow tool names, documentation references, and internal naming
conventions across MCP server, CLI, tests, and web components to complete
the singularity-forge rebrand from gsd to sf.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Final rebrand: rename remaining Rust source file to complete the gsd → forge
transition. All parser references already use forge_parser after earlier commits.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Prompt files referenced `web_search` (an Anthropic API implementation
detail) instead of the registered GSD tool name `search-the-web`, causing
Invalid tool input errors when the model attempted to call the wrong tool.
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>