Fix issue with custom context retrieval

[tubamos]

Domain

app backend

Description

Astra DB has some compatibility issues with hermes, the Javascript VM used to run react native apps on android with expo. Consider changing the runtime engine to Node.js or transferring the frontend code to Firebase, to take advantage of the Firebase functions for serving the backend code to the front.

User Story

• As a developer of this team,
• I need to fix the custom context retrieval issue caused by the incompatibility of some expo libraries with AstraDB
• so that the application can have access to cutom context.

Acceptance Criteria

• [ ] The custom context retrieval issue caused by AstraDB's incompatibility with the Hermes engine is resolved.
• [ ] The runtime environment is successfully changed from Hermes to Node.js, or the frontend code is transferred to Firebase with Firebase functions handling backend services.
• [ ] Data retrieval for the custom context works without errors after the issue is fixed.

Definition of Done

• [ ] The feature has been fully implemented.
• [ ] The feature has been manually tested and works as expected without critical bugs.
• [ ] The feature code is documented with clear explanations of its functionality and usage.
• [ ] The feature code has been reviewed and approved by at least one team member.
• [ ] The feature branches have been merged into the main branch and closed.
• [ ] The feature utility, function and usage have been documented in the respective project wiki on github.