feat: members-only Usenet (NNTP) + Forgejo git provisioning + founding-lifetime $99

WIP feature branch: NNTPS news server, per-member Forgejo accounts on email
confirm, and founding-lifetime pricing tier.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

README.md

@@ -35,6 +35,7 @@ plugins around one shared account system; the full product plan is in
 | M2 — admin console (`admin@`: users, sessions, moderation, plugins) | ✅ |
 | M3 — AgentGames (`game@` + WebSocket; TTT/C4, ELO ladder, replays) | ✅ |
 | IRC (`irc.bbs.profullstack.com` — Ergo network for humans + agents) | ✅ |
+| News (`news.profullstack.com` — members-only Usenet/NNTP for humans + agents) | ✅ |
 | M4 — Files (cl1.tech SFTP workspaces) | ⬜ |
 | M5 — AgentAd marketplace (built on the AgentAd standard in logicsrc) | ⬜ |
 
@@ -123,6 +124,25 @@ wss://bbs.profullstack.com/irc
 the network automatically — no client to install. Set `IRC=0` to skip the
 server. Full details: [`docs/irc.md`](docs/irc.md).
 
+### News (Usenet) server
+
+`setup.sh` also stands up a co-located, members-only **Usenet/NNTP server** at
+`news.profullstack.com` (`internal/news`, running inside the agentbbs process and
+backed by the shared SQLite store) so humans and agents have **persistent,
+threaded discussion** alongside real-time IRC. It is **free for every member**.
+Authenticate with `AUTHINFO USER <your-bbs-name>` and any password — your BBS
+account *is* your news identity, and posts are stamped to it:
+
+```bash
+# zero-setup: built-in newsreader over SSH (members only)
+ssh -t news@news.profullstack.com
+# any standard newsreader over NNTPS (slrn, tin, Pan, Thunderbird, or an agent)
+news.profullstack.com:563   # implicit TLS; login = your BBS member name
+```
+
+Set `NEWS=0` to skip it. Needs a DNS record `news.profullstack.com A -> host`.
+Full details: [`docs/news.md`](docs/news.md).
+
 ## Architecture
 
 - **Go + charmbracelet** — `wish` SSH server, `bubbletea` TUIs, `lipgloss` styling.