integration: add route metadata, JSON-LD and harden the public shell

Ship prerendered SEO, crawl files and palette/map a11y so every locale route is indexable, honest and keyboard-usable without inventing claims.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app/shared/systems-map/systems-map.ts

@@ -23,11 +23,15 @@ export interface SystemsMapNodeView {
   readonly x: number;
   readonly y: number;
   readonly label: string;
+  readonly labelLines: readonly string[];
   readonly summary: string;
   readonly href: string;
   readonly link: unknown[];
   readonly relationship: string;
   readonly accessibleName: string;
+  readonly shapeWidth: number;
+  readonly shapeHeight: number;
+  readonly textStartDy: number;
 }
 
 export interface SystemsMapEdgeView {
@@ -191,7 +195,10 @@ export class SystemsMap {
     );
     const relationship = relationshipLabel.replace('{targets}', connectedLabels.join(', '));
     const label = node.label[locale];
+    const labelLines = node.labelLines[locale];
     const summary = node.summary[locale];
+    const multiline = labelLines.length > 1;
+    const longest = labelLines.reduce((max, line) => Math.max(max, line.length), 0);
 
     return {
       id: node.id,
@@ -200,7 +207,11 @@ export class SystemsMap {
       x: node.x,
       y: node.y,
       label,
+      labelLines,
       summary,
+      shapeWidth: Math.max(140, longest * 8 + 24),
+      shapeHeight: multiline ? 52 : 40,
+      textStartDy: multiline ? -6 : 4,
       href: routePath(node.routeId, locale),
       link: this.navigation.link(node.routeId),
       relationship,