fix: restore stuck-toolkit as doc-only toolset (no code bindings, pure guidance)

cleanup: remove stuck-toolkit (no code = not a toolset), remove builder script

fix: proper code bindings for debug, webapp-testing, doc-coauthoring, internal-comms toolsets

cleanup: remove 12 useless Claude Code skills, keep 14 quality toolsets

feat: all 26 toolsets — complete skill-to-toolset conversion, published to HF Space

feat: calc-toolkit (eval, convert, stats), publish all toolsets, 7 live on HF Space

feat: 4 new toolsets — docx-toolkit, pptx-toolkit, text-gen, batch-ops (15 functions total)

feat: toolsets with @tool decorator, in-process execution, no auto-install