v0.4.0

Final batch: 135 vertical-domain skills. Total 273/285 (95.8%) of ECC skills ported — the ECC skill port is complete.

v0.3.0

50 orchestration/automation/ops skills added. Total 138 skills, provider test passes.

v0.2.0

68 pattern skills added (frontend/backend frameworks, language patterns, data & architecture). Total 88 skills, provider test passes.