chore(main): release build-mcpb 0.7.0

[github-actions]

🤖 I have created a release beep boop

0.7.0 (2026-06-22)

Features

• build-mcpb: add LLM smoke test guidance in phase-3 and PATTERNS (e1387b5)
• build-mcpb: improve integration test guidance in phase-3 and PATTERNS (4b5675e)
• build-mcpb: use integration issue as warm-start contract in phase 0 (28237fa)

Bug Fixes

• build-mcpb: add back stub-gatekeeping criteria lost in conflict resolution (05ffe29)
• build-mcpb: allow mixed-case owner names in manifest name regex (93e5f9e)
• build-mcpb: allow mixed-case owner names in name regex (0a06b2a)
• build-mcpb: document embedded skill frontmatter in SKILL_FORMAT.md (8882dcc)
• build-mcpb: document embedded skill frontmatter in SKILL_FORMAT.md (bf3da5d)
• build-mcpb: move integration/LLM tests from Phase 3 to Phase 5 (1caff06)
• build-mcpb: remove intro prose from Phase 5f integration tests step (0b4fca9)
• build-mcpb: resolve conflict — move integration/LLM test guidance to Phase 5 (923ddf4)

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