- replace batch attribute updates with token, field, and value requests
- support parameter value updates for writable attribute groups
- support measurement mode switching and manual value updates
- record bounded measurement operation logs in PostgreSQL
- add jsonb array serialization for measurement operations
- add transaction failure context and error-chain support
- add unit tests for validation and update workflows
- classify component and attribute groups as parameter tokens
- validate four-part and seven-part parameter identifiers
- resolve component and project-backed parameter values and database types
- query parameter descriptions from basic attribute metadata
- enforce data-object field support and build PARAM attribute responses
- organize data-object SQL and add parameter query coverage
douxu