clients [WIP] OverlayBackground passes observable to generator callback

🎟️ Tracking

PM-18133

📔 Objective

[WIP]

📸 Screenshots

⏰ Reminders before review

Contributor guidelines followed
All formatters and local linters executed and passed
Written new unit and / or integration tests where applicable
Protected functional changes with optionality (feature flags)
Used internationalization (i18n) for all UI strings
CI builds passed
Communicated to DevOps any deployment requirements
Updated any necessary documentation (Confluence, contributing docs) or informed the documentation team

🦮 Reviewer guidelines

👍 (:+1:) or similar for great changes
📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
❓ (:question:) for questions
🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
🎨 (:art:) for suggestions / improvements
❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
⛏ (:pick:) for minor or nitpick changes

Jun 16 '25 14:06 blackwood

Checkmarx One – Scan Summary & Details – 80678635-d3e5-44bd-a7a5-a38b9fd0222e

Great job! No new security vulnerabilities introduced in this pull request

Jun 16 '25 14:06 github-actions[bot]

Codecov Report

:x: Patch coverage is 55.31915% with 21 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 38.78%. Comparing base (801700d) to head (48ec703). :white_check_mark: All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
apps/browser/src/background/main.background.ts	13.33%	13 Missing :warning:
...c/services/default-credential-generator.service.ts	0.00%	4 Missing :warning:
...wser/src/autofill/background/overlay.background.ts	92.30%	2 Missing :warning:
apps/browser/src/background/commands.background.ts	0.00%	2 Missing :warning:

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #15211   +/-   ##
=======================================
  Coverage   38.78%   38.78%           
=======================================
  Files        3411     3411           
  Lines       96922    96946   +24     
  Branches    14583    14584    +1     
=======================================
+ Hits        37593    37603   +10     
- Misses      57676    57690   +14     
  Partials     1653     1653

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