style: enforce 12px minimum font size across all components

Add --font-size-min: 12px token to tokens.css. Replace all 10px and 11px
font-size declarations with 12px across 54 CSS module files for improved
readability.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/pages/Dashboard/Dashboard.module.css

@@ -49,7 +49,7 @@
 }
 
 .tableMeta {
-  font-size: 11px;
+  font-size: 12px;
   color: var(--text-muted);
   font-family: var(--font-mono);
 }
@@ -97,7 +97,7 @@
   align-items: center;
   gap: 5px;
   font-family: var(--font-mono);
-  font-size: 11px;
+  font-size: 12px;
   color: var(--text-secondary);
 }
 
@@ -128,14 +128,14 @@
 }
 
 .inlineErrorText {
-  font-size: 11px;
+  font-size: 12px;
   color: var(--error);
   font-family: var(--font-mono);
   line-height: 1.4;
 }
 
 .inlineErrorHint {
-  font-size: 10px;
+  font-size: 12px;
   color: var(--text-muted);
   margin-top: 3px;
 }
@@ -154,7 +154,7 @@
 }
 
 .panelSectionTitle {
-  font-size: 11px;
+  font-size: 12px;
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.5px;
@@ -168,7 +168,7 @@
 .panelSectionMeta {
   margin-left: auto;
   font-family: var(--font-mono);
-  font-size: 10px;
+  font-size: 12px;
   font-weight: 500;
   text-transform: none;
   letter-spacing: 0;
@@ -189,7 +189,7 @@
 }
 
 .overviewLabel {
-  font-size: 10px;
+  font-size: 12px;
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.6px;
@@ -209,14 +209,14 @@
 
 .errorClass {
   font-family: var(--font-mono);
-  font-size: 10px;
+  font-size: 12px;
   font-weight: 600;
   color: var(--error);
   margin-bottom: 4px;
 }
 
 .errorMessage {
-  font-size: 11px;
+  font-size: 12px;
   color: var(--text-secondary);
   line-height: 1.5;
   font-family: var(--font-mono);