Adds Kilo Code as a supported platform: native skill + /graphify command, install/uninstall, and a .kilo tool.execute.before plugin (mirroring the OpenCode integration).
JSONC config is handled non-destructively - existing .kilo/kilo.jsonc is read but never rewritten; automated plugin registration goes to kilo.json, preserving user comments (addresses the Qodo review flag).
Verified locally: full suite 1525 passed, install/uninstall smoke test works.