feat(omp): rebase OMP backend onto master (merge Pi + OMP modes)

src/web/server.ts

@@ -1441,6 +1441,7 @@ export class WebServer extends EventEmitter {
         { isPiAvailable },
         { isGrokAvailable },
         { isDeepSeekRunnable, isDeepSeekAvailable },
+        { isOmpAvailable },
         { isCloudflaredAvailable },
         { isGitAvailable },
       ] = await Promise.all([
@@ -1452,6 +1453,7 @@ export class WebServer extends EventEmitter {
         import('../utils/pi-cli-resolver.js'),
         import('../utils/grok-cli-resolver.js'),
         import('../utils/deepseek-cli-resolver.js'),
+        import('../utils/omp-cli-resolver.js'),
         import('../utils/cloudflared-resolver.js'),
         import('../git-clone.js'),
       ]);
@@ -1470,6 +1472,7 @@ export class WebServer extends EventEmitter {
         // profile is offered the fix rather than a greyed-out entry.
         deepseek: isDeepSeekRunnable(),
         deepseekBinary: isDeepSeekAvailable(),
+        omp: isOmpAvailable(),
         cloudflared: isCloudflaredAvailable(),
         // Not a run mode: the Add Case → Clone tab is an offer this box cannot
         // keep without git (issue #236), same reasoning as cloudflared above.