chore(release): v0.2.0

refactor(interfaces): reframe as public contract and drop edge labels

refactor(components): forbid direct component edges and drop labels

feat(schema): add architecture-first OpenSpec schema

chore(release): add MIT license, CHANGELOG and update package.json

docs(usecases): add usecase registry and decomposition maps

feat(agents): add PlantUML diagram validation skills

fix(agent-skill-install): resolve agents/ at runtime, not via inlined __dirname

feat(cli): add agent-skill-install command and agent skills bundle

fix(usecases): correct template links

feat(usecases): enforce concise english kebab names

docs(readme): add localized use case example

chore(assets): add example.png

chore(gitignore): expand *.local pattern to *.local*

docs(i18n): add Russian and Esperanto translations of README