chore(specs-plugin): Bump version to 1.2.0

feat(tdd-writer): Add three-layer authorization model and combined TDD default

fix(specs-plugin): Remove commands array - auto-discovered from directory

fix(specs-plugin): Remove invalid skills array from plugin.json schema

feat(specs-plugin): Add ac-checker skill for verifying TDD implementation status

fix(specs-plugin): Add skills and commands declarations to plugin manifest

feat(tdd-writer): Add UI tests and Code Quality sections to TDD templates

refactor(specs-plugin): Update skill frontmatter and add requirements docs

chore(specs-plugin): Update Context7 MCP to use official Upstash package

feat(specs-plugin): Add MCP server integration with Context7 and Sequential Thinking

feat(tdd-writer): Add comprehensive testing requirements and coverage targets to TDD templates

Remove Context7 MCP server from specs-plugin

Add Context7 MCP server to specs-plugin

Update README examples to use scoped command format

Rename vitamins-plugin to specs-plugin