Add clickable fold to expand hidden completed/failed tasks

Replace the static "N hidden tasks" label with a toggle button that
expands an inline fold showing the hidden task cards dimmed at 0.6
opacity. Fold state is module-level so it survives poll cycles within
a session but resets on reload.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 535 insertions, 1 deletions

diff --git a/web/style.css b/web/style.css
index d868fdf..de8ce83 100644
--- a/web/style.css
+++ b/web/style.css
@@ -39,6 +39,10 @@ header {
   position: sticky;
   top: 0;
   z-index: 10;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  max-width: 100%;
 }
 
 header h1 {
@@ -47,7 +51,40 @@ header h1 {
   color: var(--accent);
   letter-spacing: -0.01em;
   max-width: 640px;
-  margin: 0 auto;
+  margin: 0 auto 0 0;
+  flex: 1;
+}
+
+/* Tab bar */
+.tab-bar {
+  background: var(--surface);
+  border-bottom: 1px solid var(--border);
+  display: flex;
+  gap: 0;
+  padding: 0 1rem;
+  max-width: 100%;
+}
+
+.tab {
+  font-size: 0.88rem;
+  font-weight: 600;
+  padding: 0.65em 1.25em;
+  border: none;
+  border-bottom: 2px solid transparent;
+  background: transparent;
+  color: var(--text-muted);
+  cursor: pointer;
+  transition: color 0.15s, border-color 0.15s;
+  margin-bottom: -1px;
+}
+
+.tab:hover {
+  color: var(--text);
+}
+
+.tab.active {
+  color: var(--accent);
+  border-bottom-color: var(--accent);
 }
 
 /* Main layout */
@@ -57,6 +94,28 @@ main {
   padding: 1rem;
 }
 
+/* Panel header */
+.panel-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 1rem;
+}
+
+.panel-header h2 {
+  font-size: 1rem;
+  font-weight: 700;
+}
+
+/* Task list toolbar */
+.task-list-toolbar {
+  display: flex;
+  align-items: center;
+  padding: 0.5rem 0;
+  margin-bottom: 0.75rem;
+  border-bottom: 1px solid var(--border);
+}
+
 /* Task list */
 .task-list {
   display: flex;
@@ -170,3 +229,478 @@ main {
   font-size: 0.78rem;
   color: var(--state-failed);
 }
+
+.hidden-tasks-info {
+  font-size: 0.78rem;
+  color: var(--text-muted);
+  text-align: center;
+  padding: 0.5rem 0;
+  cursor: pointer;
+  background: transparent;
+  border: none;
+  width: 100%;
+}
+
+.hidden-tasks-info:hover {
+  color: var(--text);
+}
+
+.hidden-tasks-fold {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+  opacity: 0.6;
+  margin-top: 0.5rem;
+}
+
+/* Primary button */
+.btn-primary {
+  font-size: 0.85rem;
+  font-weight: 600;
+  padding: 0.4em 1em;
+  border-radius: 0.375rem;
+  border: none;
+  cursor: pointer;
+  background: #2563eb;
+  color: #fff;
+  transition: opacity 0.15s;
+}
+
+.btn-primary:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+/* Secondary button */
+.btn-secondary {
+  font-size: 0.85rem;
+  font-weight: 600;
+  padding: 0.4em 1em;
+  border-radius: 0.375rem;
+  border: 1px solid var(--border);
+  background: transparent;
+  color: var(--text-muted);
+  cursor: pointer;
+  transition: background 0.15s, color 0.15s;
+}
+
+.btn-secondary:hover {
+  background: var(--border);
+  color: var(--text);
+}
+
+.btn-secondary:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+/* Danger button */
+.btn-danger {
+  font-size: 0.85rem;
+  font-weight: 600;
+  padding: 0.4em 1em;
+  border-radius: 0.375rem;
+  border: none;
+  cursor: pointer;
+  background: var(--state-failed);
+  color: #0f172a;
+  transition: opacity 0.15s;
+}
+
+.btn-danger:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.btn-sm {
+  font-size: 0.78rem;
+  padding: 0.3em 0.75em;
+}
+
+/* Modal dialog */
+dialog {
+  background: var(--surface);
+  color: var(--text);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  padding: 1.5rem;
+  max-width: 480px;
+  width: 100%;
+}
+
+dialog::backdrop {
+  background: rgba(0, 0, 0, 0.6);
+}
+
+dialog h2 {
+  font-size: 1.1rem;
+  font-weight: 700;
+  margin-bottom: 1rem;
+}
+
+/* Form labels and inputs */
+dialog label {
+  display: block;
+  font-size: 0.85rem;
+  color: var(--text-muted);
+  margin-bottom: 12px;
+}
+
+dialog label input,
+dialog label textarea,
+dialog label select {
+  display: block;
+  width: 100%;
+  margin-top: 4px;
+  background: var(--bg);
+  border: 1px solid var(--border);
+  border-radius: 0.375rem;
+  color: var(--text);
+  padding: 0.4em 0.6em;
+  font-size: 0.9rem;
+  font-family: inherit;
+}
+
+dialog label input:focus,
+dialog label textarea:focus,
+dialog label select:focus {
+  outline: 2px solid var(--accent);
+  outline-offset: 1px;
+}
+
+/* Form actions row */
+.form-actions {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-top: 16px;
+}
+
+.form-actions button[type="button"] {
+  font-size: 0.85rem;
+  padding: 0.4em 1em;
+  border-radius: 0.375rem;
+  border: 1px solid var(--border);
+  background: transparent;
+  color: var(--text-muted);
+  cursor: pointer;
+}
+
+.form-actions button[type="button"]:hover {
+  background: var(--border);
+  color: var(--text);
+}
+
+/* Inline form error */
+.form-error {
+  color: var(--state-failed);
+  font-size: 0.82rem;
+  margin-top: 8px;
+}
+
+/* Template list */
+.template-list {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+}
+
+/* Template card */
+.template-card {
+  background: var(--surface);
+  border: 1px solid var(--border);
+  border-radius: 0.5rem;
+  padding: 0.875rem 1rem;
+  display: flex;
+  flex-direction: column;
+  gap: 0.375rem;
+}
+
+.template-name {
+  font-weight: 600;
+  font-size: 0.95rem;
+}
+
+.template-description {
+  font-size: 0.82rem;
+  color: var(--text-muted);
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+}
+
+.template-tags {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.375rem;
+  margin-top: 0.125rem;
+}
+
+.tag-chip {
+  font-size: 0.7rem;
+  font-weight: 600;
+  padding: 0.2em 0.55em;
+  border-radius: 999px;
+  background: var(--border);
+  color: var(--text-muted);
+}
+
+.template-card-footer {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  margin-top: 0.25rem;
+}
+
+/* ── Side panel ───────────────────────────────────────────────────────────── */
+
+.panel-backdrop {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.5);
+  z-index: 20;
+}
+
+.task-panel {
+  position: fixed;
+  top: 0;
+  right: 0;
+  width: min(480px, 100vw);
+  height: 100dvh;
+  background: var(--surface);
+  border-left: 1px solid var(--border);
+  z-index: 30;
+  display: flex;
+  flex-direction: column;
+  transform: translateX(100%);
+  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
+  overflow: hidden;
+}
+
+.task-panel.open {
+  transform: translateX(0);
+}
+
+.task-panel-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 1rem 1.25rem;
+  border-bottom: 1px solid var(--border);
+  flex-shrink: 0;
+}
+
+.task-panel-header h2 {
+  font-size: 1rem;
+  font-weight: 700;
+  margin: 0;
+  flex: 1;
+  min-width: 0;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.btn-close-panel {
+  background: transparent;
+  border: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  font-size: 1.3rem;
+  line-height: 1;
+  padding: 0.15em 0.35em;
+  margin-left: 0.5rem;
+  border-radius: 0.25rem;
+  flex-shrink: 0;
+}
+
+.btn-close-panel:hover {
+  color: var(--text);
+  background: var(--border);
+}
+
+.task-panel-content {
+  flex: 1;
+  overflow-y: auto;
+  padding: 1.25rem;
+}
+
+/* Panel sections */
+.panel-section {
+  margin-bottom: 1.5rem;
+}
+
+.panel-section:last-child {
+  margin-bottom: 0;
+}
+
+.panel-section-title {
+  font-size: 0.68rem;
+  font-weight: 700;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--text-muted);
+  margin-bottom: 0.625rem;
+  padding-bottom: 0.375rem;
+  border-bottom: 1px solid var(--border);
+}
+
+.meta-grid {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 0.75rem 1rem;
+}
+
+.meta-item {
+  display: flex;
+  flex-direction: column;
+  gap: 0.15rem;
+}
+
+.meta-item.full-width {
+  grid-column: 1 / -1;
+}
+
+.meta-label {
+  font-size: 0.7rem;
+  font-weight: 600;
+  color: var(--text-muted);
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+}
+
+.meta-value {
+  font-size: 0.875rem;
+  word-break: break-all;
+}
+
+.meta-value.mono {
+  font-family: monospace;
+  font-size: 0.8rem;
+}
+
+.meta-value.muted {
+  color: var(--text-muted);
+}
+
+.panel-code {
+  background: var(--bg);
+  border: 1px solid var(--border);
+  border-radius: 0.375rem;
+  padding: 0.625rem 0.75rem;
+  font-family: monospace;
+  font-size: 0.8rem;
+  white-space: pre-wrap;
+  word-break: break-word;
+  color: var(--text);
+  max-height: 220px;
+  overflow-y: auto;
+  margin-top: 0.25rem;
+}
+
+.panel-tags {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.375rem;
+  margin-top: 0.1rem;
+}
+
+/* Clickable task cards */
+.task-card {
+  cursor: pointer;
+}
+
+.task-card:hover {
+  border-color: var(--accent);
+}
+
+/* Panel loading / error */
+.panel-loading {
+  color: var(--text-muted);
+  font-size: 0.9rem;
+  padding: 2rem 0;
+  text-align: center;
+}
+
+.panel-fetch-error {
+  color: var(--state-failed);
+  font-size: 0.85rem;
+  padding: 1rem 0;
+}
+
+/* Executions list in panel */
+.executions-list {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.execution-row {
+  background: var(--bg);
+  border: 1px solid var(--border);
+  border-radius: 0.375rem;
+  padding: 0.625rem 0.75rem;
+  display: flex;
+  align-items: center;
+  gap: 0.5rem 0.75rem;
+  flex-wrap: wrap;
+}
+
+.execution-id {
+  font-family: monospace;
+  font-size: 0.72rem;
+  color: var(--text-muted);
+  flex-shrink: 0;
+}
+
+.execution-times {
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  flex: 1;
+  min-width: 120px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.execution-cost {
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  white-space: nowrap;
+}
+
+.execution-exit {
+  font-family: monospace;
+  font-size: 0.72rem;
+  color: var(--text-muted);
+  white-space: nowrap;
+}
+
+.btn-view-logs {
+  font-size: 0.72rem;
+  font-weight: 600;
+  padding: 0.2em 0.55em;
+  border-radius: 0.25rem;
+  border: 1px solid var(--border);
+  background: transparent;
+  color: var(--text-muted);
+  cursor: pointer;
+  white-space: nowrap;
+  flex-shrink: 0;
+}
+
+.btn-view-logs:hover {
+  background: var(--border);
+  color: var(--text);
+}
+
+/* Execution logs modal */
+.logs-modal-body {
+  display: flex;
+  flex-direction: column;
+}
+
+.logs-modal-body .meta-grid {
+  row-gap: 0.625rem;
+}