Create CCC beta3 release
### Problem/Motivation
Create CCC beta3 release.
Tag: `1.0.0-beta3`
### Proposed resolution
Create the release once at least the must-haves are done here:
- #3586182+s
- [beta3 milestone](https://git.drupalcode.org/project/ai_context/-/milestones/5#tab-issues)
### Target date or deadline
6 July 2026
### Remaining tasks
- Wait on must-haves
- Tag code
- Create the release in UI
- Celebrate!
### AI usage (if applicable)
- [ ] AI Assisted Issue
This issue was generated with AI assistance, but was reviewed and refined by the creator.
- [ ] AI Assisted Code
This code was mainly generated by a human, with AI autocompleting or parts AI generated, but under full human supervision.
- [ ] AI Generated Code
This code was mainly generated by an AI with human guidance, and reviewed, tested, and refined by a human.
- [ ] Vibe Coded
This code was generated by an AI and has only been functionally tested.
issue