Remove deprecated @types/jszip package

- jszip provides its own type definitions
- @types/jszip is deprecated and causes conflicts
- Addresses code review feedback

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

frontends/nextjs/package-lock.json

@@ -27,7 +27,6 @@
                 "@prisma/adapter-better-sqlite3": "^7.2.0",
                 "@prisma/client": "^7.2.0",
                 "@tanstack/react-query": "^5.90.12",
-                "@types/jszip": "^3.4.1",
                 "better-sqlite3": "^12.5.0",
                 "d3": "^7.9.0",
                 "date-fns": "^4.1.0",
@@ -5744,16 +5743,6 @@
             "dev": true,
             "license": "MIT"
         },
-        "node_modules/@types/jszip": {
-            "version": "3.4.1",
-            "resolved": "https://registry.npmjs.org/@types/jszip/-/jszip-3.4.1.tgz",
-            "integrity": "sha512-TezXjmf3lj+zQ651r6hPqvSScqBLvyPI9FxdXBqpEwBijNGQ2NXpaFW/7joGzveYkKQUil7iiDHLo6LV71Pc0A==",
-            "deprecated": "This is a stub types definition. jszip provides its own type definitions, so you do not need this installed.",
-            "license": "MIT",
-            "dependencies": {
-                "jszip": "*"
-            }
-        },
         "node_modules/@types/node": {
             "version": "25.0.3",
             "resolved": "https://registry.npmjs.org/@types/node/-/node-25.0.3.tgz",

frontends/nextjs/package.json

@@ -77,7 +77,6 @@
         "@prisma/adapter-better-sqlite3": "^7.2.0",
         "@prisma/client": "^7.2.0",
         "@tanstack/react-query": "^5.90.12",
-        "@types/jszip": "^3.4.1",
         "better-sqlite3": "^12.5.0",
         "d3": "^7.9.0",
         "date-fns": "^4.1.0",