Add telemetry API

[sndnv]

• Adds support for collecting client telemetry information
• Minor fixes and dependency updates

Telemetry

Purpose

The ability to examine logs/diagnostic information on client devices is usually limited (especially on mobile devices) so this feature aims to enable better debugging of client-side issues.

What is collected

• Runtime information
  • Client application name, version and build time (ex: stasis.client.android, 1.5.0, 2025-06-12 13:30)
  • Java Runtime Environment version and vendor (ex: 2.1.0, The Android Project)
  • Operating system name, version and architecture (ex: Linux, 4.4.302-..., aarch64)
• Events - which APIs or UI pages/sections did the user visit (ex: get_device, get_backups, etc)
• Failures - what exceptions/errors were encountered by the application but were not properly handled (ex: IllegalArgumentException - Unhandled ....)

What is NOT collected

• User or device information (credentials, settings, etc)
• User inputs, operation results (except the outcome, whether it's successful or not) or any kind of detail about events
• OS or JRE settings/environment/state or any other details beyond what is explicitly mentioned above

Configuring or turning off analytics

It is possible to both turn off the feature entirely or to limit what is sent via the client configuration file (for Linux/MacOS) or via the usual app settings (Android client).

Viewing collected data

For regular users, it is possible to view what has been collected so far by their device either via the UI (in Settings) or via the CLI. It is NOT possible to view what has been submitted to the server by individual users/devices because no identifying information is collected/provided that can be traced back to the sender of the data. System administrators can view the collected data via the server-ui.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.96%. Comparing base (611356a) to head (9c13537).
Report is 15 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master      #63    +/-   ##
========================================
  Coverage   99.95%   99.96%            
========================================
  Files         389      401    +12     
  Lines       12482    12941   +459     
  Branches     1079      969   -110     
========================================
+ Hits        12477    12936   +459     
  Misses          5        5            

Flag	Coverage Δ
python	99.88% <100.00%> (+<0.01%)	⬆️
scala	99.97% <100.00%> (+<0.01%)	⬆️

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