Slicer setup, OpenKE SSH install simplified, stopped-install wording, Klipper -dirty explained, 17 screenshots (docs/agent e50119f)
User manual for NebulaOS 1.0.0 The end-user manual from NebulaOS docs/agent d34c40e (PR #3): 30 pages and 129 screenshots, checked against release 1.0.0 (firmware 70ad0b0, screen 36490ed, extensions f498796). Replaces the August developer drafts, which described an older state; they remain in this wiki's history.