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/core/commands/command-ids.ts

@@ -0,0 +1,24 @@
+export type CommandId =
+  | 'help'
+  | 'projects'
+  | 'servicesAi'
+  | 'cv'
+  | 'contact'
+  | 'brew'
+  | 'ignite'
+  | 'rev'
+  | 'clear'
+  | 'close';
+
+export const COMMAND_IDS: readonly CommandId[] = [
+  'help',
+  'projects',
+  'servicesAi',
+  'cv',
+  'contact',
+  'brew',
+  'ignite',
+  'rev',
+  'clear',
+  'close',
+];