1563 enhance route checks for moment items

[GoodKimchi]

Description

Closes #1563

This PR enhances route-level validation for time and duration inputs across relevant endpoints.

• Added validation for timeInterval inputs
• Centralized validation logic in util/timeValidation.js
• Enforced strict ISO datetime and duration formats
• Added test coverage for route parameter validation and time validation utilities
• Ensured consistent validation across readings, unitReadings, logs, meters, and preferences routes

Type of change

• Note merging this changes the database configuration.
• This change requires a documentation update.

Checklist

• I have followed the OED pull request ideas
• I have removed text in () from the issue request
• I acknowledge that every person contributing to this work has signed the OED Contributing License Agreement

Limitations

• CSV pipeline changes were removed from this PR to keep scope aligned with route validation
• Additional validation for non-route inputs can be handled in a separate issue

[huss]

@GoodKimchi I'm sorry for the slow reply. Unfortunately, per a recent Discord msg, I won't be able to do a review for a number of days. I'm sorry about this.