feat: implement multi-select filters and logical oversight sorting

This commit:
- Replaces single-select dropdowns with multi-select checkbox lists
- Adds 'All' and 'None' quick-action links for filter groups
- Implements custom priority sorting for Oversight levels (low -> mid -> high)
- Updates Chart.js logic to respect logical sorting on X-axes

1 files changed, 63 insertions, 0 deletions

diff --git a/api/static/css/components.css b/api/static/css/components.css
index 9b9a823..de237c9 100644
--- a/api/static/css/components.css
+++ b/api/static/css/components.css
@@ -154,6 +154,69 @@
 .badge-running { background: var(--color-accent); color: white; animation: blink 1.5s infinite; }
 .badge-complete { background: var(--color-success); color: white; }
 
+/* Checkbox Groups for Filtering */
+.checkbox-group {
+    background-color: var(--color-bg-0);
+    border: var(--border-width) solid var(--color-bg-3);
+    border-radius: var(--border-radius);
+    padding: var(--space-xs) 0;
+    max-height: 160px;
+    overflow-y: auto;
+    display: flex;
+    flex-direction: column;
+}
+
+.checkbox-item {
+    display: flex;
+    align-items: center;
+    gap: var(--space-sm);
+    padding: 6px 10px;
+    cursor: pointer;
+    transition: var(--transition-fast);
+    font-size: 0.8rem;
+    user-select: none;
+}
+
+.checkbox-item:hover {
+    background-color: var(--color-bg-3);
+}
+
+.checkbox-item input[type="checkbox"] {
+    accent-color: var(--color-accent);
+    cursor: pointer;
+}
+
+.checkbox-item span {
+    color: var(--color-text-secondary);
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.checkbox-item:has(input:checked) span {
+    color: var(--color-text-primary);
+    font-weight: 600;
+}
+
+.filter-actions {
+    display: flex;
+    gap: 8px;
+}
+
+.filter-link {
+    font-size: 0.6rem;
+    font-weight: 800;
+    text-transform: uppercase;
+    color: var(--color-accent);
+    cursor: pointer;
+    transition: var(--transition-fast);
+}
+
+.filter-link:hover {
+    color: var(--color-text-primary);
+    text-decoration: underline;
+}
+
 @keyframes blink {
     0% { opacity: 1; }
     50% { opacity: 0.6; }