feat: add timeline sidebar to message view

2025-12-07 21:40:52 +00:00
parent cd8948770d
commit e3489b22e6
6 changed files with 473 additions and 79 deletions
--- a/packages/ui/src/styles/messaging/message-timeline.css
+++ b/packages/ui/src/styles/messaging/message-timeline.css
@@ -0,0 +1,127 @@
+.message-layout {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr);
+  gap: 0.5rem;
+  width: 100%;
+  min-height: 0;
+  flex: 1 1 auto;
+}
+
+.message-layout--with-timeline {
+  grid-template-columns: minmax(0, 1fr) 64px;
+}
+
+@media (max-width: 720px) {
+  .message-layout--with-timeline {
+    grid-template-columns: minmax(0, 1fr) 40px;
+  }
+}
+
+.message-stream-shell {
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+  position: relative;
+}
+
+.message-stream-shell .message-stream {
+  flex: 1 1 auto;
+  min-height: 0;
+}
+
+.message-timeline-sidebar {
+  width: 64px;
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+}
+
+@media (max-width: 720px) {
+  .message-timeline-sidebar {
+    width: 40px;
+  }
+}
+
+.message-timeline {
+  flex: 1 1 auto;
+  display: flex;
+  flex-direction: column;
+  gap: 0.35rem;
+  padding: 0.25rem;
+  overflow-y: auto;
+  border-radius: 8px;
+  background-color: var(--surface-base);
+  box-shadow: var(--panel-shadow, 0 6px 24px rgba(0, 0, 0, 0.2));
+}
+
+.message-timeline::-webkit-scrollbar {
+  width: 5px;
+}
+
+.message-timeline::-webkit-scrollbar-thumb {
+  background-color: var(--border-muted);
+  border-radius: 9999px;
+}
+
+.message-timeline-segment {
+  width: 100%;
+  min-height: 1.5rem;
+  border-radius: 0;
+  border: 1px solid var(--border-base);
+  background-color: var(--surface-secondary);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 0.65rem;
+  font-weight: 600;
+  letter-spacing: 0.05em;
+  text-transform: uppercase;
+  color: var(--text-primary);
+  transition: transform 0.15s ease, background-color 0.2s ease, color 0.2s ease;
+}
+
+.message-timeline-segment:hover,
+.message-timeline-segment:focus-visible {
+  background-color: var(--surface-hover);
+  color: var(--accent-primary);
+  outline: none;
+  transform: translateY(-1px);
+}
+
+.message-timeline-segment:focus-visible {
+  box-shadow: 0 0 0 2px var(--surface-base), 0 0 0 4px var(--accent-primary);
+}
+
+.message-timeline-user {
+  border-color: var(--message-user-border);
+  background-color: var(--message-user-bg);
+}
+
+.message-timeline-assistant {
+  border-color: var(--message-assistant-border);
+  background-color: var(--message-assistant-bg);
+}
+
+.message-timeline-tool {
+  border-color: var(--message-tool-border);
+  background-color: var(--surface-secondary);
+}
+
+.message-timeline-label {
+  pointer-events: none;
+}
+
+.message-timeline-label-short {
+  display: none;
+}
+
+@media (max-width: 720px) {
+  .message-timeline-label-full {
+    display: none;
+  }
+  .message-timeline-label-short {
+    display: block;
+  }
+}
+
+