* feat(spec): add project-template skill init and check flow
* refactor(spec): remove repo-init migrate references to project-template
* test(spec): structural tests for project-template skill and command
* fix(test): wrap long lines and use non_templated var in project template tests
* fix(ci): reformat test_project_template_skill.py for ruff format
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Co-authored-by: opencode-agent <agent@opencode.local>