- Rename namespace/kind to folder/type on entries, audit_log, and history tables;
add notes. Unique key is (user_id, folder, name).
- Service layer and MCP tools support name-first lookup with optional folder when
multiple entries share the same name.
- secrets_delete dry_run uses the same disambiguation as real deletes.
- Add scripts/migrate-v0.3.0.sql for manual DB migration. Refresh README and
AGENTS.md.
Made-with: Cursor
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