[7126] Tighten response schemas: add required and additionalProperties: false

[n-lark]

Description

See details here.

Related Issue(s)

Resolves #7126

Checklist

• I have read the contribution guidelines
• Suitable unit/system level tests have been added and they pass
• Documentation has been updated
  • Upgrade instructions
  • Configuration details
  • Concepts
• Changes flowforge.yml?
  • Issue/PR raised on FlowFuse/helm to update ConfigMap Template
  • Issue/PR raised on FlowFuse/CloudProject to update values for Staging/Production
• Link to Changelog Entry PR, or note why one is not needed.

Labels

• Includes a DB migration? -> add the area:migration label

[codecov]

Codecov Report

❌ Patch coverage is 96.55172% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 76.62%. Comparing base (a8aa55d) to head (ae3df71).

Files with missing lines	Patch %	Lines
forge/db/models/AuditLog.js	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7131      +/-   ##
==========================================
+ Coverage   76.57%   76.62%   +0.05%     
==========================================
  Files         405      405              
  Lines       20586    20597      +11     
  Branches     4976     4985       +9     
==========================================
+ Hits        15764    15783      +19     
+ Misses       4822     4814       -8     

Flag	Coverage Δ
backend	76.62% <96.55%> (+0.05%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[hardillb]

Basic first pass looks ok

Just the update to the comment about posgres vs sqlite