refactor(config): separate base URL from API URL for CLI usage

Add signUrl property to config for CLI sign URL without /api/v1 suffix.
Update CLIGuidePage to use config.signUrl instead of hardcoded URL.
Update .env.example and add .swarm/ to .gitignore.

.env.example

@@ -1 +1 @@
-VITE_API_BASE_URL=http://localhost:5000/api/v1
+VITE_API_BASE_URL=http://localhost:5000

.gitignore

@@ -23,4 +23,6 @@ dist-ssr
 *.sln
 *.sw?
 
-*.env
+*.env
+
+.swarm/

src/config.ts

@@ -1,12 +1,18 @@
 // Secuird Configuration
 // Environment-specific settings for the application
 
+// Base URL without /api/v1 suffix - used for CLI sign URL
+const BASE_URL = import.meta.env.VITE_API_BASE_URL || "http://192.168.64.7:8888";
+
 export const config = {
   // API Configuration
   api: {
-    baseUrl: import.meta.env.VITE_API_BASE_URL || "http://192.168.64.7:8888/api/v1",
+    baseUrl: `${BASE_URL}/api/v1`,
   },
 
+  // Sign URL for CLI (same as base URL, no /api/v1)
+  signUrl: BASE_URL,
+
   // App metadata
   app: {
     name: "Secuird",

src/pages/user/CLIGuidePage.tsx

@@ -6,8 +6,7 @@ import {
   CollapsibleContent,
   CollapsibleTrigger,
 } from "@/components/ui/collapsible";
-
-const SIGN_URL = "https://api.secuird.tech";
+import { config } from "@/config";
 
 // ── Code block with copy button ────────────────────────────────────────────────
 function CodeBlock({ code }: { code: string }) {
@@ -112,7 +111,7 @@ export default function CLIGuidePage() {
           </Step>
 
           <Step n={3} title="Set your server URL">
-            <CodeBlock code={`echo 'SIGN_URL=${SIGN_URL}' > ~/.secuird/.env`} />
+            <CodeBlock code={`echo 'SIGN_URL=${config.signUrl}' > ~/.secuird/.env`} />
           </Step>
 
           <Step n={4} title="Register your SSH key (once)">