feat: Improve dashboard performance and Claude terminal context

- Add trial limiting (300 max) and reduce polling to 15s for large studies
- Make dashboard layout wider with col-span adjustments
- Claude terminal now runs from Atomizer root for CLAUDE.md/skills access
- Add study context display in terminal on connect
- Add KaTeX math rendering styles for study reports
- Add surrogate tuner module for hyperparameter optimization
- Fix backend proxy to port 8001

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

atomizer-dashboard/frontend/src/index.css

@@ -69,3 +69,39 @@
 ::-webkit-scrollbar-thumb:hover {
   @apply bg-dark-400;
 }
+
+/* KaTeX Math Rendering */
+.katex {
+  font-size: 1.1em !important;
+  color: inherit !important;
+}
+
+.katex-display {
+  margin: 1em 0 !important;
+  overflow-x: auto;
+  overflow-y: hidden;
+}
+
+.katex-display > .katex {
+  color: #e2e8f0 !important;
+}
+
+/* Markdown body styles */
+.markdown-body {
+  color: #e2e8f0;
+  line-height: 1.7;
+}
+
+.markdown-body .katex-display {
+  background: rgba(30, 41, 59, 0.5);
+  padding: 1rem;
+  border-radius: 0.5rem;
+  border: 1px solid #334155;
+}
+
+/* Code blocks in markdown should have proper width */
+.markdown-body pre {
+  max-width: 100%;
+  overflow-x: auto;
+  white-space: pre;
+}