feat(runner): first-class current user turn and attachment delivery - #5615

18 tests  ±0   18 ✅ ±0   0s ⏱️ ±0s
 1 suites ±0    0 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit 9e91d8a. ± Comparison against earlier commit 2cde2f5.