Render Kratos self-service flows as themed pages (todo §4); buildFlowView + views/auth.ejs + login/registration/recovery/verification/settings routes

views/partials/flow-body.ejs

@@ -0,0 +1,17 @@
+<%#
+  Kratos flow form body (todo §4): the inner of the auth-card form — flow messages,
+  hidden inputs (incl. csrf_token), themed fields, then submit button(s). `flow` is a
+  FlowView (src/flow-view.ts). Captured by views/auth.ejs and handed to auth-card's body.
+-%>
+<% flow.messages.forEach((m) => { -%>
+<%- include("alert", m) %>
+<% }) -%>
+<% flow.hidden.forEach((h) => { -%>
+<input type="hidden" name="<%= h.name %>" value="<%= h.value %>">
+<% }) -%>
+<% flow.fields.forEach((field) => { -%>
+<%- include("field", field) %>
+<% }) -%>
+<% flow.buttons.forEach((b, i) => { -%>
+<button type="submit" class="btn btn-block<%= i === 0 ? " btn-primary" : "" %>"<% if (b.name) { %> name="<%= b.name %>"<% } %><% if (b.value != null) { %> value="<%= b.value %>"<% } %>><%= b.label %></button>
+<% }) -%>