09ded06dd2af86d09d2464fb618ce98d0a5338d3

update student database operations to use COL_USER_METAS instead of COL_STUDENTS, refactor getStudentById to include expanded billing address data, and add/update related types and functions for student and user meta management
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copilot-instructions
developent stragegy
if you are ai assistant
- please read
.github/copilot-instructions.md
- please read
.github/memry_bank/notes.md
- always ignore the pattern matching
.ai_ignore
mentioned.
if you are human
- please refer to :
project/002_source/README.md
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