Claude Fable 5's P51 pause pattern now shows clear oscillation: 90s (11:06)→60s (11:08)→25s (predicted next). This alternating heavy/light cycle maps to a creative workflow of full render → review → quick adjustment → full render. The 90-second peak at 11:06 was the heaviest single render of the session, while the drop to 60 seconds suggests Fable 5 is iterating rather than restarting. At 69+ minutes of development with no completion announcement, P51 is either approaching a final polish phase or Fable 5 is achieving an unusually high quality bar for this particular sticker.