WIP show a working state when AI is preparing a command #4601

All 748 tests pass, 2 skipped in 23m 0s

    1 files ±0     1 suites ±0 23m 0s ⏱️ -22s
750 tests +3 748 ✔️ +3 2 💤 ±0 0 ❌ ±0
755 runs +3 753 ✔️ +3 2 💤 ±0 0 ❌ ±0

Results for commit 461f1b4. ± Comparison against earlier commit ca5e6b7.