Expert pubsub backend

[Steve-Mcl]

Description

Related Issue(s)

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 27.14286% with 102 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.95%. Comparing base (eb660d2) to head (07c280b).

Files with missing lines	Patch %	Lines
forge/comms/aclManager.js	3.12%	93 Missing ⚠️
forge/routes/api/admin.js	25.00%	6 Missing ⚠️
forge/routes/api/user.js	25.00%	3 Missing ⚠️

Additional details and impacted files

@@                      Coverage Diff                       @@
##           expert/mqtt-fe-scaffolding    #7008      +/-   ##
==============================================================
- Coverage                       76.29%   75.95%   -0.34%     
==============================================================
  Files                             403      403              
  Lines                           20296    20435     +139     
  Branches                         4881     4928      +47     
==============================================================
+ Hits                            15485    15522      +37     
- Misses                           4811     4913     +102     

Flag	Coverage Δ
backend	75.95% <27.14%> (-0.34%)	⬇️

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