feat: pivot Web GUI to dedicated Data Visualization Dashboard

This commit:
- Removes all execution logic (runs, cancellation, SSE logs)
- Strips the terminal and configuration sidebar
- Implements a global filtering panel (Model, Scenario, Oversight)
- Dedicated the UI 100% to interactive Chart.js and static visuals

2 files changed, 6 insertions, 99 deletions

diff --git a/api/static/css/layout.css b/api/static/css/layout.css
index ef0fc2d..2946461 100644
--- a/api/static/css/layout.css
+++ b/api/static/css/layout.css
@@ -1,14 +1,14 @@
 .dashboard-root {
     display: grid;
     grid-template-columns: 320px 1fr;
-    grid-template-rows: 1fr 300px;
     height: 100vh;
     width: 100vw;
 }
 
 /* Sidebar - Left Column */
 .sidebar {
-    grid-row: 1 / -1;
+    grid-column: 1;
+    grid-row: 1;
     background-color: var(--color-bg-1);
     border-right: var(--border-width) solid var(--color-bg-3);
     padding: var(--space-lg);
@@ -18,7 +18,7 @@
     z-index: 10;
 }
 
-/* Main Area - Top Right */
+/* Main Area - Right */
 .main-viewport {
     grid-column: 2;
     grid-row: 1;
@@ -28,17 +28,6 @@
     flex-direction: column;
 }
 
-/* Terminal - Bottom Right */
-.terminal-dock {
-    grid-column: 2;
-    grid-row: 2;
-    background-color: var(--color-bg-1);
-    border-top: var(--border-width) solid var(--color-bg-3);
-    display: flex;
-    flex-direction: column;
-    overflow: hidden;
-}
-
 /* Header */
 .app-header {
     padding: var(--space-md) var(--space-lg);
@@ -66,7 +55,7 @@
 @media (max-width: 900px) {
     .dashboard-root {
         grid-template-columns: 1fr;
-        grid-template-rows: auto 1fr auto;
+        grid-template-rows: auto 1fr;
         overflow-y: auto;
     }
     .sidebar {
@@ -77,11 +66,6 @@
     .main-viewport {
         grid-column: 1;
         grid-row: 2;
-        height: 500px;
+        height: auto;
     }
-    .terminal-dock {
-        grid-column: 1;
-        grid-row: 3;
-        height: 300px;
-    }
-}
+}
\ No newline at end of file
diff --git a/api/static/css/terminal.css b/api/static/css/terminal.css
deleted file mode 100644
index 7cf79ba..0000000
--- a/api/static/css/terminal.css
+++ /dev/null
@@ -1,77 +0,0 @@
-.terminal-header {
-    background-color: var(--color-bg-2);
-    padding: var(--space-xs) var(--space-md);
-    border-bottom: var(--border-width) solid var(--color-bg-3);
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-}
-
-.terminal-title {
-    font-size: 0.7rem;
-    font-weight: 800;
-    text-transform: uppercase;
-    color: var(--color-text-muted);
-    letter-spacing: 0.1em;
-}
-
-.terminal-body {
-    flex: 1;
-    overflow-y: auto;
-    padding: var(--space-md);
-    font-family: 'JetBrains Mono', 'Fira Code', monospace;
-    font-size: 0.8125rem;
-    line-height: 1.6;
-    background-color: #0d0d0f; /* Slightly darker for terminal */
-}
-
-.terminal-line {
-    white-space: pre-wrap;
-    word-break: break-all;
-    margin-bottom: 2px;
-}
-
-.terminal-line.info { color: var(--color-text-primary); }
-.terminal-line.error { color: var(--color-danger); font-weight: 600; }
-.terminal-line.warning { color: var(--color-warning); }
-.terminal-line.muted { color: var(--color-text-muted); }
-.terminal-line.success { color: var(--color-success); }
-.terminal-line.reasoning { color: var(--color-accent); border-left: 2px solid var(--color-accent); padding-left: var(--space-sm); margin: var(--space-sm) 0; }
-
-.btn-terminal {
-    background: none;
-    border: none;
-    color: var(--color-text-muted);
-    font-size: 0.65rem;
-    font-weight: 700;
-    text-transform: uppercase;
-    cursor: pointer;
-    padding: 4px 8px;
-    border-radius: 2px;
-    transition: var(--transition-fast);
-}
-
-.btn-terminal:hover {
-    color: var(--color-text-primary);
-    background-color: var(--color-bg-3);
-}
-
-.btn-terminal.active {
-    color: var(--color-accent);
-}
-
-.empty-state {
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    justify-content: center;
-    height: 300px;
-    color: var(--color-text-muted);
-    font-size: 0.875rem;
-    text-transform: uppercase;
-    letter-spacing: 0.05em;
-    font-weight: 600;
-    border: 2px dashed var(--color-bg-3);
-    margin: var(--space-lg);
-    border-radius: var(--border-radius);
-}