chore(frontend): update logo references and remove unused images

Author: Lasim

.gitignore

@@ -70,6 +70,7 @@ services/backend/tests/e2e/test-data/*.db
 ._*.jpg
 ._*.yml
 ._*.yaml
+._*.css
 cookies.txt
 cookiejar.txt
 cookie.txt

package-lock.json

@@ -90,9 +90,27 @@ export class AuthorizationService {
     const { db, schema } = this.getDbAndSchema();
 
     try {
+      // Clean up any expired or pending authorization requests for this user/client combo
+      // This helps prevent accumulation of unused records
+      const now = new Date();
+      await (db as any)
+        .delete(schema.oauthAuthorizationCodes)
+        .where(
+          and(
+            eq(schema.oauthAuthorizationCodes.user_id, userId),
+            eq(schema.oauthAuthorizationCodes.client_id, clientId),
+            // Delete if expired OR if it's a pending request (starts with 'pending_')
+            lt(schema.oauthAuthorizationCodes.expires_at, now)
+          )
+        );
+      
       const requestId = generateId(32);
       const expiresAt = new Date(Date.now() + 10 * 60 * 1000); // 10 minutes
 
+      // Generate a unique placeholder code for pending authorization
+      // This prevents UNIQUE constraint violations when multiple auth requests are made
+      const placeholderCode = `pending_${generateId(32)}`;
+      
       // Store authorization request (temporary, for consent page)
       const authRequest = {
         id: requestId,
@@ -103,7 +121,7 @@ export class AuthorizationService {
         state,
         code_challenge: codeChallenge,
         code_challenge_method: codeChallengeMethod,
-        code: '', // Will be filled when user approves
+        code: placeholderCode,
         used: false,
         expires_at: expiresAt,
       };
@@ -253,6 +271,15 @@ export class AuthorizationService {
     const { db, schema } = this.getDbAndSchema();
 
     try {
+      // Reject placeholder codes immediately
+      if (code.startsWith('pending_')) {
+        logger?.warn({
+          operation: 'verify_authorization_code',
+          error: 'Attempted to verify placeholder code',
+        }, 'Invalid authorization code - placeholder code submitted');
+        return null;
+      }
+      
       // Find authorization code
       const result = await (db as any)
         .select()

services/backend/src/services/oauth/authorizationService.ts

@@ -20,7 +20,7 @@
   --accent: hsl(210 40% 96.1%);
   --accent-foreground: hsl(222.2 47.4% 11.2%);
   --destructive: hsl(0 84.2% 60.2%);
-  --destructive-foreground: hsl(210 40% 98%);
+  --destructive-foreground: hsl(0 72% 51%);
   --border: hsl(214.3 31.8% 91.4%);
   --input: hsl(214.3 31.8% 91.4%);
   --ring: hsl(222.2 84% 4.9%);

services/frontend/public/deploystack-logo-74x80.png

@@ -140,7 +140,7 @@ const navigateToLogin = () => {
     <div class="sm:mx-auto sm:w-full sm:max-w-sm">
       <img
         class="mx-auto h-20 w-auto"
-        src="/deploystack-logo-74x80.webp"
+        src="/deploystack-logo-80x80.png"
         alt="DeployStack Logo"
       />
       <h2 class="mt-10 text-center text-2xl font-bold tracking-tight text-gray-900">