v1.13.0

Added\n- First-class OpenCode, Kilo and Pi integrations across setup, retrofit, loop execution, routing, reviews, quality roles, goals, PRD affinity, dashboard status and telemetry.\n- Idiomatic native skill/config artifacts, OpenCode/Kilo MCP translation, read-only reviewer artifacts and Pi tool allowlists.\n- Provider/model/variant routing for OpenCode and Kilo; provider/model/thinking routing for Pi.\n\n## Changed\n- Seven supported harnesses are now listed consistently in CLI, canon, manifests, README and plugin metadata.\n- Kilo JSONC retrofit merging preserves comments, trailing commas and user settings.\n\n## Limits\n- External CLIs still require separate installation/authentication. No authenticated provider matrix or OS-sandbox equivalence claim is made. Pi has no native MCP, sub-agent or plan layer. See docs/HARNESSES.md and CHANGELOG.md.