## Problem
The concurrency rules in CI workflows were cancelling in-progress test
runs even on the main branch. This caused inconsistent check counts when
multiple commits were pushed in quick succession.
## Solution
Updated `cancel-in-progress` in all CI workflows to be conditional:
- **On main branch**: Tests run to completion (no cancellation)
- **On feature branches**: Tests are cancelled when new commits are
pushed (saves CI resources)
## Changes
Modified 11 workflow files to use:
```yaml
cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
```
This ensures every commit to main gets fully tested while maintaining
efficiency on feature branches.
