chore(repo): initialize Cowork Local Gitea repository

docs/governance/ownership.md

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+# Repository Ownership
+
+## Cowork Team
+
+The Cowork Team owns:
+
+- product architecture;
+- Cowork runtime and platform behavior;
+- UI/UX;
+- releases;
+- the stable/default branch;
+- final Pull Request review and merge.
+
+## FSG AI Core Team
+
+The AI Core Team contributes selected generic capabilities, including:
+
+- MCP integrations;
+- agent capabilities;
+- orchestration tests;
+- model-routing and fallback tests;
+- security/evaluation integration;
+- Superpowers enhancements;
+- reusable platform improvements.
+
+AI Core is a contributor, not the owner of Cowork Local. It does not self-merge a contribution into the Cowork production branch before Cowork Team review.
+
+`OWNERS.yaml` records team-level ownership only. It intentionally contains no invented usernames and does not assume GitHub CODEOWNERS semantics in Gitea.