Clean up repo: remove amplify.yml, update gitignore

Delete deprecated Amplify config leftover from Gitea migration.
Update next-env.d.ts for Next.js 15.5 route types.
Add .mcp.json and *.png to gitignore.

.gitignore

@@ -58,3 +58,9 @@ temp-*.sh
 # Lambda packages
 lambda/*.zip
 lambda/**/node_modules/
+
+# MCP config (local dev tooling)
+.mcp.json
+
+# Images/screenshots
+*.png

amplify.yml

@@ -1,18 +0,0 @@
-version: 1
-frontend:
-  phases:
-    preBuild:
-      commands:
-        - npm ci
-        - npm run security:check
-    build:
-      commands:
-        - npm run build
-  artifacts:
-    baseDirectory: out
-    files:
-      - '**/*'
-  cache:
-    paths:
-      - node_modules/**/*
-      - .next/cache/**/*

next-env.d.ts

@@ -1,5 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
+/// <reference path="./.next/types/routes.d.ts" />
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.