SkillBench

refactor: extract CE engine to private repo

## Summary - Moves `dashboard.py`, `dashboard_template.html`, and `examples/` to `SkillBench-AI/ce-engine` (private repo) - Protects proprietary CE formulas from research participant collaborators (e.g., `csells`) who have access to this repo - Updates `skillbench.py` imports to use `ce_engine` pack

Train skillbench

feat: Skill Quality Scoring (`caliber score --skills`)

## Overview Evaluate individual skill files for quality using deterministic checks, providing a quality score and improvement recommendations. Can serve as a quality gate for skill marketplaces. ## Problem Skills degrade over time — they break after model updates, accumulate context bloat, and th

Add Docker containerization and skillbench enhancements

<!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **New Features** * Docker-based workflow for running collection and an interactive container shell * New Make targets to build, run collection (including verbose/all modes) and open a shell

feat: SkillBench — community skill marketplace in-product

## Overview A built-in marketplace for community skills that developers can browse, search, and install directly from the CLI. ## Scope - **Search**: `caliber skills search <query>` — find skills by technology, framework, or use case - **Install**: `caliber skills install <name>` — download and c