feat(education): complete Flyway migration and atomic submit

CONTEXT-MAP.md

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+# Context Map
+
+## Contexts
+
+- [Education](./yudao-module-education/CONTEXT.md) — owns education content, practice, assessment, and learning-state language.
+
+## Relationships
+
+- **Education → Member**: Education references the authenticated Member user as the student identity; it does not own credentials or generic user accounts.
+- **Education → System**: Education consumes tenant and authorization capabilities; it does not own generic tenants or RBAC.
+- **Education → Infra**: Education composes file, job, messaging, and audit capabilities for education workflows.