Parallel session assumed (a) Forgejo usernames can't contain dots, and (b) a
wallet mnemonic has to be pasted into a browser to sign in. Both wrong — the
docs now show that.
- §4 gets an 'Allowed characters' subsection listing what Forgejo actually
accepts (letters, digits, hyphens, underscores, dots). game.x works as-is
as a username or an org name.
- New §12 'Working with other sessions' — the wallet-vs-PAT split, a full
five-step recipe for delegating a namespace to a parallel session
(create org / bootstrap user / add to Owners / mint PAT / clone+push),
a scriptable programmatic sign-in template so mnemonics never touch a
browser, and a scope-per-session-shape table.
- TOC + §13 (Help+source) renumbered.
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