docs(security): remove SSH username/host specifics from public docs

.gitea/workflows/deploy.yml

@@ -9,7 +9,7 @@ on:
 #   REGISTRY            registry hostname (git.librete.ch)
 #   REGISTRY_USER       robot account or PAT username (libretech-bot)
 #   REGISTRY_PASS       PAT with write:package
-#   DEPLOY_HOST         SSH target, e.g. root@cloud.librete.ch
+#   DEPLOY_HOST         SSH target, e.g. user@your-deploy-host
 #   DEPLOY_KEY          passphrase-less private key (PEM)
 #   DEPLOY_PATH         remote stack dir (/srv/librenotes)
 #   HEALTH_URL          https://ln.cloud.librete.ch/healthz

CLAUDE.md

@@ -5,7 +5,7 @@ Cloud-native multi-tenant notes application built on Notesium (MIT).
 ## Project
 
 - Repo: https://git.librete.ch/public/librenotes
-- Remote: `ssh://tengo@git.librete.ch:41240/public/librenotes.git`
+- Remote: `ssh://git.librete.ch:41240/public/librenotes.git` (configure SSH user in `~/.ssh/config`)
 - Stack: Go backend (forked from Notesium), vanilla JS frontend
 - License: MIT (inherited from Notesium)
 

CONTRIBUTING.md

@@ -16,7 +16,7 @@ The fastest path is the Nix flake. The `dev` shell drops you
 into a working Go toolchain without any sandbox wrapping:
 
 ```sh
-git clone ssh://tengo@git.librete.ch:41240/public/librenotes.git
+git clone https://git.librete.ch/public/librenotes.git
 cd librenotes
 nix develop .#dev
 make build && make test