Refine chat controls and add explicit owner recovery reset

Simplify the ASCII interface, expose owner setup, and load any selected number of messages using bounded history batches. Add backend-only owner reset with a matching public fingerprint and stopped-service guards, and document the loss of old history and key continuity.

1 files changed, 11 insertions, 4 deletions

diff --git a/crates/chat-server/web/style.css b/crates/chat-server/web/style.css
index 80b07a6..5587f58 100644
--- a/crates/chat-server/web/style.css
+++ b/crates/chat-server/web/style.css
@@ -29,12 +29,13 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 }
 
 * { box-sizing: border-box; }
-body { overflow-y: scroll; font: 16px/1.5 monospace, monospace; margin: 0; background: var(--background); color: var(--foreground); }
+html { overflow-y: scroll; scrollbar-gutter: stable; }
+body { overflow: visible; font: 16px/1.5 monospace, monospace; margin: 0; background: var(--background); color: var(--foreground); }
 main { width: 80ch; max-width: calc(100% - 32px); margin: 16px auto; position: relative; }
 a { color: var(--link); text-decoration: none; }
 a:hover { text-decoration: underline; }
 a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; }
-.logo-art { font: inherit; line-height: 1.2; margin: 0 0 2em; overflow-x: auto; }
+.logo-art { font: inherit; line-height: 1.2; margin: 0 0 2em; overflow: visible; }
 .logo { color: var(--logo); display: inline-block; }
 .logo:hover { text-decoration: none; }
 .site-nav { display: flex; flex-wrap: wrap; gap: 2ch; margin: 0 0 2em; }
@@ -85,12 +86,18 @@ section { margin: 2em 0; }
 #messages li::before { content: '--------------------------------------------------------------------------------'; display: block; overflow: hidden; white-space: pre; margin: 1em 0; }
 #messages p { white-space: pre-wrap; overflow-wrap: anywhere; margin: .5em 0 1em; }
 #messages small { color: var(--link); font: inherit; }
+#status:empty { display: none; }
 #status { min-height: 1.5em; color: var(--link); margin: 2em 0 1em; padding-left: 2ch; position: relative; }
 #status::before { content: '>'; color: var(--good); position: absolute; left: 0; font-weight: bold; }
 .libre-badge { position: absolute; top: 0; right: 0; color: var(--warning); font-weight: bold; }
-.libre-badge > a { color: inherit; text-decoration: underline wavy; text-underline-offset: .2em; }
+.libre-badge > a[aria-describedby] { color: inherit; text-decoration: underline wavy; text-underline-offset: .2em; }
 #js-warning { display: none; position: absolute; top: 2em; right: 0; width: 48ch; max-width: calc(100vw - 32px); padding: 1em 2ch; background: var(--background); color: var(--foreground); border: 1px dashed var(--warning); z-index: 1; font-weight: normal; }
-.libre-badge > a:hover + #js-warning, .libre-badge > a:focus-visible + #js-warning { display: block; }
+.libre-badge > a[aria-describedby]:hover + #js-warning, .libre-badge > a[aria-describedby]:focus-visible + #js-warning { display: block; }
+.script-licenses { display: block; color: var(--link); font-size: .875em; text-align: right; margin-top: .5em; }
+.owner-entry { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5em 1ch; margin: 1em 0; }
+.owner-entry button { margin-right: 0; }
+.owner-note { color: var(--muted); font-size: .875em; }
+.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
 .source-footer { display: flex; flex-direction: column; align-items: flex-end; gap: .5em; text-align: right; margin: 3em 0 1em; font-weight: bold; }
 .source-footer::before { content: '________________________________________________________________________________'; display: block; width: 100%; overflow: hidden; white-space: pre; margin-bottom: 1em; font-weight: normal; }
 .project-license { color: var(--license); }