feat: implement probe renaming and settings management via API

frontend/static/style.css

@@ -139,6 +139,25 @@ main {
 .probe-card .name {
   font-weight: bold;
   font-size: 1.1rem;
+  cursor: text;
+  padding: 0 0.15rem;
+  border-radius: 4px;
+}
+
+.probe-card .name:hover {
+  background: #2a2a2a;
+}
+
+.probe-card .name .rename-input {
+  font: inherit;
+  font-weight: bold;
+  color: var(--text);
+  background: #2a2a2a;
+  border: 1px solid var(--accent);
+  border-radius: 4px;
+  padding: 0.1rem 0.3rem;
+  width: 10ch;
+  max-width: 100%;
 }
 
 .probe-card .target {
@@ -212,6 +231,73 @@ main {
   cursor: pointer;
 }
 
+.chart-container {
+  position: relative;
+  width: 100%;
+  height: 320px;
+}
+
+.chart-container canvas {
+  width: 100% !important;
+  height: 100% !important;
+  display: block;
+}
+
+.muted { color: var(--muted); }
+
+#chart-session-label {
+  font-size: 0.85rem;
+  font-weight: normal;
+  margin-left: 0.5rem;
+}
+
+#past-sessions {
+  display: flex;
+  flex-direction: column;
+  gap: 0.4rem;
+  max-height: 280px;
+  overflow-y: auto;
+}
+
+#past-sessions p {
+  margin: 0.5rem 0;
+}
+
+.session-row {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+  gap: 0.15rem;
+  background: #2a2a2a;
+  border: 1px solid #333;
+  border-left: 4px solid var(--muted);
+  color: var(--text);
+  text-align: left;
+  padding: 0.6rem 0.8rem;
+  border-radius: 6px;
+  cursor: pointer;
+  font: inherit;
+}
+
+.session-row:hover {
+  border-left-color: var(--accent);
+  background: #333;
+}
+
+.session-row.viewed {
+  border-left-color: var(--accent);
+  background: #2f2520;
+}
+
+.session-row .session-name {
+  font-weight: 600;
+}
+
+.session-row .session-times {
+  font-size: 0.8rem;
+  color: var(--muted);
+}
+
 footer {
   text-align: center;
   padding: 1rem;