Slow-powers v0.7.1

What's Changed

• Merge pull request #280 from slowdini/dev by @slowdini in #281
• chore: prose cleanup by @slowdini in #283
• Feat/readme update by @slowdini in #284
• feat(skills): proposed model-selection guidance and justification + biome fix by @slowdini in #286
• chore(skills): drop disproven prospective eval guidance by @slowdini in #287
• Rewrite evaluating-skills around goal-derived coverage by @slowdini in #290
• Release v0.7.1 by @slowdini in #291

Full Changelog: v0.7.0...v0.7.1