The log doesn't contain the root cause for the FC failure unfortunately... but this was not battery or phone related at all.
Well... you actually had a 20% constant negative throttle input going from when you had positioned the drone above the...
All motors shut off 191,7sec into the flight... but a accidental CSC command wasn't the reason.
According to the DAT log event stream it most probably was a FC failure... likely not a permanent, instead a computational error (as the AC flew...
... and if a uniform motion blur isn't a major concern & if a manually locked shutter speed feels too limited in changing exposure environments when videoing... you can use a auto shutter+ND as the ND filter slow down the shutter in general, not...
If your drone model have a native DJI waypoint mode it should be possible with below Litchi utility...
Litchi Waypoint Mission to DJI Fly Waypoint Mission Converter