diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index a8365a8..2af8e23 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -12,6 +12,7 @@
         "@tabler/icons-react": "^3.35.0",
         "axios": "^1.13.2",
         "pdfjs-dist": "^5.4.394",
+        "prop-types": "^15.8.1",
         "react": "^19.2.0",
         "react-dom": "^19.2.0",
         "react-redux": "^9.2.0",
@@ -22,18 +23,19 @@
         "@babel/preset-env": "^7.28.5",
         "@babel/preset-react": "^7.28.5",
         "@babel/preset-typescript": "^7.28.5",
+        "@eslint/js": "^9.39.1",
         "@svgr/webpack": "^8.1.0",
         "@typescript-eslint/eslint-plugin": "^8.46.4",
         "@typescript-eslint/parser": "^8.18.1",
         "babel-loader": "^10.0.0",
         "copy-webpack-plugin": "^13.0.1",
         "css-loader": "^7.1.2",
-        "dotenv": "^17.2.3",
         "eslint": "^9.39.1",
         "eslint-plugin-react": "^7.37.5",
         "eslint-plugin-react-hooks": "^7.0.1",
         "globals": "^16.5.0",
         "html-webpack-plugin": "^5.6.4",
+        "knip": "^5.71.0",
         "style-loader": "^4.0.0",
         "typescript": "^5.7.3",
         "webpack": "^5.102.1",
@@ -1868,6 +1870,40 @@
         "node": ">=14.17.0"
       }
     },
+    "node_modules/@emnapi/core": {
+      "version": "1.7.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/core/-/core-1.7.1.tgz",
+      "integrity": "sha512-o1uhUASyo921r2XtHYOHy7gdkGLge8ghBEQHMWmyJFoXlpU58kIrhhN3w26lpQb6dspetweapMn2CSNwQ8I4wg==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "@emnapi/wasi-threads": "1.1.0",
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.7.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.7.1.tgz",
+      "integrity": "sha512-PVtJr5CmLwYAU9PZDMITZoR5iAOShYREoR45EyyLrbntV50mdePTgUn4AmOw90Ifcj+x2kRjdzr1HP3RrNiHGA==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@emnapi/wasi-threads": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@emnapi/wasi-threads/-/wasi-threads-1.1.0.tgz",
+      "integrity": "sha512-WI0DdZ8xFSbgMjR1sFsKABJ/C5OnRrjT06JXbZKexJGrDuPTzZdDYfFlsgcCXCyf+suG5QU2e/y1Wo2V/OapLQ==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@eslint-community/eslint-utils": {
       "version": "4.9.0",
       "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.9.0.tgz",
@@ -2495,6 +2531,19 @@
         "node": ">= 10"
       }
     },
+    "node_modules/@napi-rs/wasm-runtime": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-1.1.0.tgz",
+      "integrity": "sha512-Fq6DJW+Bb5jaWE69/qOE0D1TUN9+6uWhCeZpdnSBk14pjLcCWR7Q8n49PTSPHazM37JqrsdpEthXy2xn6jWWiA==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "@emnapi/core": "^1.7.1",
+        "@emnapi/runtime": "^1.7.1",
+        "@tybys/wasm-util": "^0.10.1"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -2533,6 +2582,289 @@
         "node": ">= 8"
       }
     },
+    "node_modules/@oxc-resolver/binding-android-arm-eabi": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-android-arm-eabi/-/binding-android-arm-eabi-11.14.2.tgz",
+      "integrity": "sha512-bTrdE4Z1JcGwPxBOaGbxRbpOHL8/xPVJTTq3/bAZO2euWX0X7uZ+XxsbC+5jUDMhLenqdFokgE1akHEU4xsh6A==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-android-arm64": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-android-arm64/-/binding-android-arm64-11.14.2.tgz",
+      "integrity": "sha512-bL7/f6YGKUvt/wzpX7ZrHCf1QerotbSG+IIb278AklXuwr6yQdfQHt7KQ8hAWqSYpB2TAbPbAa9HE4wzVyxL9Q==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-darwin-arm64": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-darwin-arm64/-/binding-darwin-arm64-11.14.2.tgz",
+      "integrity": "sha512-0zhMhqHz/kC6/UzMC4D9mVBz3/M9UTorbaULfHjAW5b8SUC08H01lZ5fR3OzfDbJI0ByLfiQZmbovuR/pJ8Wzg==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-darwin-x64": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-darwin-x64/-/binding-darwin-x64-11.14.2.tgz",
+      "integrity": "sha512-kRJBTCQnrGy1mjO+658yMrlGYWEKi6j4JvKt92PRCoeDX0vW4jvzgoJXzZXNxZL1pCY6jIdwsn9u53v4jwpR6g==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-freebsd-x64": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-freebsd-x64/-/binding-freebsd-x64-11.14.2.tgz",
+      "integrity": "sha512-lpKiya7qPq5EAV5E16SJbxfhNYRCBZATGngn9mZxR2fMLDVbHISDIP2Br8eWA8M1FBJFsOGgBzxDo+42ySSNZQ==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "freebsd"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-arm-gnueabihf": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-arm-gnueabihf/-/binding-linux-arm-gnueabihf-11.14.2.tgz",
+      "integrity": "sha512-zRIf49IGs4cE9rwpVM3NxlHWquZpwQLebtc9dY9S+4+B+PSLIP95BrzdRfkspwzWC5DKZsOWpvGQjxQiLoUwGA==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-arm-musleabihf": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-arm-musleabihf/-/binding-linux-arm-musleabihf-11.14.2.tgz",
+      "integrity": "sha512-sF1fBrcfwoRkv1pR3Kp6D5MuBeHRPxYuzk9rhaun/50vq5nAMOaomkEm4hBbTSubfU86CoBIEbLUQ+1f7NvUVA==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-arm64-gnu": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-arm64-gnu/-/binding-linux-arm64-gnu-11.14.2.tgz",
+      "integrity": "sha512-O8iTBqz6oxf1k93Rn6WMGGQYo2jV1K81hq4N/Nke3dHE25EIEg2RKQqMz1dFrvVb2RkvD7QaUTEevbx0Lq+4wQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-arm64-musl": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-arm64-musl/-/binding-linux-arm64-musl-11.14.2.tgz",
+      "integrity": "sha512-HOfzpS6eUxvdch9UlXCMx2kNJWMNBjUpVJhseqAKDB1dlrfCHgexeLyBX977GLXkq2BtNXKsY3KCryy1QhRSRw==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-ppc64-gnu": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-ppc64-gnu/-/binding-linux-ppc64-gnu-11.14.2.tgz",
+      "integrity": "sha512-0uLG6F2zljUseQAUmlpx/9IdKpiLsSirpmrr8/aGVfiEurIJzC/1lo2HQskkM7e0VVOkXg37AjHUDLE23Fi8SA==",
+      "cpu": [
+        "ppc64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-riscv64-gnu": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-riscv64-gnu/-/binding-linux-riscv64-gnu-11.14.2.tgz",
+      "integrity": "sha512-Pdh0BH/E0YIK7Qg95IsAfQyU9rAoDoFh50R19zCTNfjSnwsoDMGHjmUc82udSfPo2YMnuxA+/+aglxmLQVSu2Q==",
+      "cpu": [
+        "riscv64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-riscv64-musl": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-riscv64-musl/-/binding-linux-riscv64-musl-11.14.2.tgz",
+      "integrity": "sha512-3DLQhJ2r53rCH5cudYFqD7nh+Z6ABvld3GjbiqHhT43GMIPw3JcHekC2QunLRNjRr1G544fo1HtjTJz9rCBpyg==",
+      "cpu": [
+        "riscv64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-s390x-gnu": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-s390x-gnu/-/binding-linux-s390x-gnu-11.14.2.tgz",
+      "integrity": "sha512-G5BnAOQ5f+RUG1cvlJ4BvV+P7iKLYBv67snqgcfwD5b2N4UwJj32bt4H5JfolocWy4x3qUjEDWTIjHdE+2uZ9w==",
+      "cpu": [
+        "s390x"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-x64-gnu": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-x64-gnu/-/binding-linux-x64-gnu-11.14.2.tgz",
+      "integrity": "sha512-VirQAX2PqKrhWtQGsSDEKlPhbgh3ggjT1sWuxLk4iLFwtyA2tLEPXJNAsG0kfAS2+VSA8OyNq16wRpQlMPZ4yA==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-linux-x64-musl": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-linux-x64-musl/-/binding-linux-x64-musl-11.14.2.tgz",
+      "integrity": "sha512-q4ORcwMkpzu4EhZyka/s2TuH2QklEHAr/mIQBXzu5BACeBJZIFkICp8qrq4XVnkEZ+XhSFTvBECqfMTT/4LSkA==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-openharmony-arm64": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-openharmony-arm64/-/binding-openharmony-arm64-11.14.2.tgz",
+      "integrity": "sha512-ZsMIpDCxSFpUM/TwOovX5vZUkV0IukPFnrKTGaeJRuTKXMcJxMiQGCYTwd6y684Y3j55QZqIMkVM9NdCGUX6Kw==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "openharmony"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-wasm32-wasi": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-wasm32-wasi/-/binding-wasm32-wasi-11.14.2.tgz",
+      "integrity": "sha512-Lvq5ZZNvSjT3Jq/buPFMtp55eNyGlEWsq30tN+yLOfODSo6T6yAJNs6+wXtqu9PiMj4xpVtgXypHtbQ1f+t7kw==",
+      "cpu": [
+        "wasm32"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "@napi-rs/wasm-runtime": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@oxc-resolver/binding-win32-arm64-msvc": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-win32-arm64-msvc/-/binding-win32-arm64-msvc-11.14.2.tgz",
+      "integrity": "sha512-7w7WHSLSSmkkYHH52QF7TrO0Z8eaIjRUrre5M56hSWRAZupCRzADZxBVMpDnHobZ8MAa2kvvDEfDbERuOK/avQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-win32-ia32-msvc": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-win32-ia32-msvc/-/binding-win32-ia32-msvc-11.14.2.tgz",
+      "integrity": "sha512-hIrdlWa6tzqyfuWrxUetURBWHttBS+NMbBrGhCupc54NCXFy2ArB+0JOOaLYiI2ShKL5a3uqB7EWxmjzOuDdPQ==",
+      "cpu": [
+        "ia32"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
+    "node_modules/@oxc-resolver/binding-win32-x64-msvc": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/@oxc-resolver/binding-win32-x64-msvc/-/binding-win32-x64-msvc-11.14.2.tgz",
+      "integrity": "sha512-dP9aV6AZRRpg5mlg0eMuTROtttpQwj3AiegNJ/NNmMSjs+0+aLNcgkWRPhskK3vjTsthH4/+kKLpnQhSxdJkNg==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
     "node_modules/@svgr/babel-plugin-add-jsx-attribute": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/@svgr/babel-plugin-add-jsx-attribute/-/babel-plugin-add-jsx-attribute-8.0.0.tgz",
@@ -2853,6 +3185,17 @@
         "node": ">=10.13.0"
       }
     },
+    "node_modules/@tybys/wasm-util": {
+      "version": "0.10.1",
+      "resolved": "https://registry.npmjs.org/@tybys/wasm-util/-/wasm-util-0.10.1.tgz",
+      "integrity": "sha512-9tTaPJLSiejZKx+Bmog4uSubteqTvFrVrURwkmHixBo0G4seD0zUxp98E1DzUBJxLQ3NPwXrGKDiVjwx/DpPsg==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@types/body-parser": {
       "version": "1.19.6",
       "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.6.tgz",
@@ -5237,19 +5580,6 @@
         "tslib": "^2.0.3"
       }
     },
-    "node_modules/dotenv": {
-      "version": "17.2.3",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.2.3.tgz",
-      "integrity": "sha512-JVUnt+DUIzu87TABbhPmNfVdBDt18BLOWjMUFJMSi/Qqg7NTYtabbvSNJGOJ7afbRuv9D/lngizHtP7QyLQ+9w==",
-      "dev": true,
-      "license": "BSD-2-Clause",
-      "engines": {
-        "node": ">=12"
-      },
-      "funding": {
-        "url": "https://dotenvx.com"
-      }
-    },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
@@ -6138,6 +6468,16 @@
         "node": ">=0.8.0"
       }
     },
+    "node_modules/fd-package-json": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/fd-package-json/-/fd-package-json-2.0.0.tgz",
+      "integrity": "sha512-jKmm9YtsNXN789RS/0mSzOC1NUq9mkVd65vbSSVsKdjGvYXBuE4oWe2QOEoFeRmJg+lPuZxpmrfFclNhoRMneQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "walk-up-path": "^4.0.0"
+      }
+    },
     "node_modules/file-entry-cache": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-8.0.0.tgz",
@@ -6280,6 +6620,22 @@
         "node": ">= 6"
       }
     },
+    "node_modules/formatly": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/formatly/-/formatly-0.3.0.tgz",
+      "integrity": "sha512-9XNj/o4wrRFyhSMJOvsuyMwy8aUfBaZ1VrqHVfohyXf0Sw0e+yfKG+xZaY3arGCOMdwFsqObtzVOc1gU9KiT9w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "fd-package-json": "^2.0.0"
+      },
+      "bin": {
+        "formatly": "bin/index.mjs"
+      },
+      "engines": {
+        "node": ">=18.3.0"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -7544,17 +7900,26 @@
         "node": ">= 10.13.0"
       }
     },
+    "node_modules/jiti": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/jiti/-/jiti-2.6.1.tgz",
+      "integrity": "sha512-ekilCSN1jwRvIbgeg/57YFh8qQDNbwDb9xT/qu2DAHbFFZUicIl4ygVaAvzveMhMVr3LnpSKTNnwt8PoOfmKhQ==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "jiti": "lib/jiti-cli.mjs"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
       "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/js-yaml": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
+      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -7654,6 +8019,74 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/knip": {
+      "version": "5.71.0",
+      "resolved": "https://registry.npmjs.org/knip/-/knip-5.71.0.tgz",
+      "integrity": "sha512-hwgdqEJ+7DNJ5jE8BCPu7b57TY7vUwP6MzWYgCgPpg6iPCee/jKPShDNIlFER2koti4oz5xF88VJbKCb4Wl71g==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/webpro"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/knip"
+        }
+      ],
+      "license": "ISC",
+      "dependencies": {
+        "@nodelib/fs.walk": "^1.2.3",
+        "fast-glob": "^3.3.3",
+        "formatly": "^0.3.0",
+        "jiti": "^2.6.0",
+        "js-yaml": "^4.1.1",
+        "minimist": "^1.2.8",
+        "oxc-resolver": "^11.13.2",
+        "picocolors": "^1.1.1",
+        "picomatch": "^4.0.1",
+        "smol-toml": "^1.5.2",
+        "strip-json-comments": "5.0.3",
+        "zod": "^4.1.11"
+      },
+      "bin": {
+        "knip": "bin/knip.js",
+        "knip-bun": "bin/knip-bun.js"
+      },
+      "engines": {
+        "node": ">=18.18.0"
+      },
+      "peerDependencies": {
+        "@types/node": ">=18",
+        "typescript": ">=5.0.4 <7"
+      }
+    },
+    "node_modules/knip/node_modules/picomatch": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
+    "node_modules/knip/node_modules/strip-json-comments": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-5.0.3.tgz",
+      "integrity": "sha512-1tB5mhVo7U+ETBKNf92xT4hrQa3pm0MZ0PQvuDnWgAAGHDsfp4lPSpiS6psrSiet87wyGPh9ft6wmhOMQ0hDiw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/launch-editor": {
       "version": "2.11.1",
       "resolved": "https://registry.npmjs.org/launch-editor/-/launch-editor-2.11.1.tgz",
@@ -7738,7 +8171,6 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
       "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "js-tokens": "^3.0.0 || ^4.0.0"
@@ -7917,6 +8349,16 @@
         "node": "*"
       }
     },
+    "node_modules/minimist": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -8036,7 +8478,6 @@
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
       "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
-      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
@@ -8225,6 +8666,38 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/oxc-resolver": {
+      "version": "11.14.2",
+      "resolved": "https://registry.npmjs.org/oxc-resolver/-/oxc-resolver-11.14.2.tgz",
+      "integrity": "sha512-M5fERQKcrCngMZNnk1gRaBbYcqpqXLgMcoqAo7Wpty+KH0I18i03oiy2peUsGJwFaKAEbmo+CtAyhXh08RZ1RA==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/Boshen"
+      },
+      "optionalDependencies": {
+        "@oxc-resolver/binding-android-arm-eabi": "11.14.2",
+        "@oxc-resolver/binding-android-arm64": "11.14.2",
+        "@oxc-resolver/binding-darwin-arm64": "11.14.2",
+        "@oxc-resolver/binding-darwin-x64": "11.14.2",
+        "@oxc-resolver/binding-freebsd-x64": "11.14.2",
+        "@oxc-resolver/binding-linux-arm-gnueabihf": "11.14.2",
+        "@oxc-resolver/binding-linux-arm-musleabihf": "11.14.2",
+        "@oxc-resolver/binding-linux-arm64-gnu": "11.14.2",
+        "@oxc-resolver/binding-linux-arm64-musl": "11.14.2",
+        "@oxc-resolver/binding-linux-ppc64-gnu": "11.14.2",
+        "@oxc-resolver/binding-linux-riscv64-gnu": "11.14.2",
+        "@oxc-resolver/binding-linux-riscv64-musl": "11.14.2",
+        "@oxc-resolver/binding-linux-s390x-gnu": "11.14.2",
+        "@oxc-resolver/binding-linux-x64-gnu": "11.14.2",
+        "@oxc-resolver/binding-linux-x64-musl": "11.14.2",
+        "@oxc-resolver/binding-openharmony-arm64": "11.14.2",
+        "@oxc-resolver/binding-wasm32-wasi": "11.14.2",
+        "@oxc-resolver/binding-win32-arm64-msvc": "11.14.2",
+        "@oxc-resolver/binding-win32-ia32-msvc": "11.14.2",
+        "@oxc-resolver/binding-win32-x64-msvc": "11.14.2"
+      }
+    },
     "node_modules/p-limit": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
@@ -8590,7 +9063,6 @@
       "version": "15.8.1",
       "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.8.1.tgz",
       "integrity": "sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "loose-envify": "^1.4.0",
@@ -8736,7 +9208,6 @@
       "version": "16.13.1",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/react-redux": {
@@ -9613,6 +10084,19 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/smol-toml": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.5.2.tgz",
+      "integrity": "sha512-QlaZEqcAH3/RtNyet1IPIYPsEWAaYyXXv1Krsi+1L/QHppjX4Ifm8MQsBISz9vE8cHicIq3clogsheili5vhaQ==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/cyyynthia"
+      }
+    },
     "node_modules/snake-case": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/snake-case/-/snake-case-3.0.4.tgz",
@@ -10572,6 +11056,16 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/walk-up-path": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/walk-up-path/-/walk-up-path-4.0.0.tgz",
+      "integrity": "sha512-3hu+tD8YzSLGuFYtPRb48vdhKMi0KQV5sn+uWr8+7dMEq/2G/dtLrdDinkLjqq5TIbIBjYJ4Ax/n3YiaW7QM8A==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": "20 || >=22"
+      }
+    },
     "node_modules/watchpack": {
       "version": "2.4.4",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-2.4.4.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 629b87c..3d9e490 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -7,7 +7,7 @@
     "dev": "webpack serve --mode development --open",
     "build": "webpack --mode production",
     "lint": "eslint src --ext .js,.jsx,.ts,.tsx",
-    "check": "tsc --noEmit && npm run lint",
+    "check": "tsc --noEmit && npx knip && npm run lint",
     "test:engine": "node --test tests/workspaceEngine.test.js"
   },
   "dependencies": {
@@ -15,6 +15,7 @@
     "@tabler/icons-react": "^3.35.0",
     "axios": "^1.13.2",
     "pdfjs-dist": "^5.4.394",
+    "prop-types": "^15.8.1",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-redux": "^9.2.0",
@@ -25,18 +26,19 @@
     "@babel/preset-env": "^7.28.5",
     "@babel/preset-react": "^7.28.5",
     "@babel/preset-typescript": "^7.28.5",
+    "@eslint/js": "^9.39.1",
     "@svgr/webpack": "^8.1.0",
     "@typescript-eslint/eslint-plugin": "^8.46.4",
     "@typescript-eslint/parser": "^8.18.1",
     "babel-loader": "^10.0.0",
     "copy-webpack-plugin": "^13.0.1",
     "css-loader": "^7.1.2",
-    "dotenv": "^17.2.3",
     "eslint": "^9.39.1",
     "eslint-plugin-react": "^7.37.5",
     "eslint-plugin-react-hooks": "^7.0.1",
     "globals": "^16.5.0",
     "html-webpack-plugin": "^5.6.4",
+    "knip": "^5.71.0",
     "style-loader": "^4.0.0",
     "typescript": "^5.7.3",
     "webpack": "^5.102.1",
diff --git a/frontend/src/app/ApiContext.tsx b/frontend/src/app/ApiContext.tsx
index d7abd48..0619330 100644
--- a/frontend/src/app/ApiContext.tsx
+++ b/frontend/src/app/ApiContext.tsx
@@ -41,5 +41,3 @@ export const useApi = (): ApiContextValue => {
   }
   return ctx;
 };
-
-export const getHttpClient = (): HttpClient => httpClient;
diff --git a/frontend/src/app/PanelManagerContext.tsx b/frontend/src/app/PanelManagerContext.tsx
index 7627752..fd1074e 100644
--- a/frontend/src/app/PanelManagerContext.tsx
+++ b/frontend/src/app/PanelManagerContext.tsx
@@ -421,5 +421,3 @@ export const usePanelResizeBindings = (
     isPanelResizing: resizingPanel === panel,
   };
 };
-
-export default PanelManagerContext;
diff --git a/frontend/src/app/WorkspaceSelectionContext.tsx b/frontend/src/app/WorkspaceSelectionContext.tsx
index 47fc5ad..3f9ded5 100644
--- a/frontend/src/app/WorkspaceSelectionContext.tsx
+++ b/frontend/src/app/WorkspaceSelectionContext.tsx
@@ -1,5 +1,5 @@
 import React, { createContext, useContext } from 'react';
-import type useWorkspaceSelection from './useWorkspaceSelection';
+import type { useWorkspaceSelection } from './useWorkspaceSelection';
 
 export type WorkspaceSelectionValue = ReturnType<typeof useWorkspaceSelection>;
 
@@ -23,5 +23,3 @@ export const useWorkspaceSelectionContext = () => {
   }
   return context;
 };
-
-export default WorkspaceSelectionContext;
diff --git a/frontend/src/app/useDetailPanel.ts b/frontend/src/app/useDetailPanel.ts
index 671e5d0..af7c594 100644
--- a/frontend/src/app/useDetailPanel.ts
+++ b/frontend/src/app/useDetailPanel.ts
@@ -1,6 +1,6 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
 
-export interface DetailDocument {
+interface DetailDocument {
   id?: string;
   [key: string]: unknown;
 }
@@ -102,5 +102,3 @@ export const useDetailPanel = ({
     setDetailPanelOpen,
   };
 };
-
-export default useDetailPanel;
diff --git a/frontend/src/app/useDocumentSelection.ts b/frontend/src/app/useDocumentSelection.ts
index 446364c..a96d92c 100644
--- a/frontend/src/app/useDocumentSelection.ts
+++ b/frontend/src/app/useDocumentSelection.ts
@@ -285,5 +285,3 @@ export const useDocumentSelection = ({
     configureSelectionEnvironment,
   };
 };
-
-export default useDocumentSelection;
diff --git a/frontend/src/app/useManagementModals.tsx b/frontend/src/app/useManagementModals.tsx
index 322763a..4b42179 100644
--- a/frontend/src/app/useManagementModals.tsx
+++ b/frontend/src/app/useManagementModals.tsx
@@ -231,5 +231,3 @@ export const useManagementModals = ({
     activeModal,
   };
 };
-
-export default useManagementModals;
diff --git a/frontend/src/app/useWorkspaceSelection.ts b/frontend/src/app/useWorkspaceSelection.ts
index 11fdf02..0a31e07 100644
--- a/frontend/src/app/useWorkspaceSelection.ts
+++ b/frontend/src/app/useWorkspaceSelection.ts
@@ -115,5 +115,3 @@ export const useWorkspaceSelection = ({
     inspectFolder,
   };
 };
-
-export default useWorkspaceSelection;
diff --git a/frontend/src/app/useWorkspaceSurface.tsx b/frontend/src/app/useWorkspaceSurface.tsx
index 0c6b2be..0e28d4b 100644
--- a/frontend/src/app/useWorkspaceSurface.tsx
+++ b/frontend/src/app/useWorkspaceSurface.tsx
@@ -7,17 +7,17 @@ import { usePanelManager } from './PanelManagerContext';
 import { FolderManagerProvider } from '../folders/FolderManagerContext';
 import type { Identifier } from '../types/identifiers';
 
-export type EnsureAssetUrl = (
+type EnsureAssetUrl = (
   docId: Identifier,
   asset: unknown,
   options?: Record<string, unknown>,
 ) => Promise<unknown> | void;
-export type EnsurePreviewData = (docId: Identifier, options?: Record<string, unknown>) => Promise<unknown>;
-export type GetDocumentAsset = (document: unknown, assetType: string) => unknown;
-export type NotifyApiError = (error: unknown, fallbackMessage?: string) => void;
+type EnsurePreviewData = (docId: Identifier, options?: Record<string, unknown>) => Promise<unknown>;
+type GetDocumentAsset = (document: unknown, assetType: string) => unknown;
+type NotifyApiError = (error: unknown, fallbackMessage?: string) => void;
 
-export type DocumentsTableProps = ComponentProps<typeof DocumentsPanel> | null;
-export type DetailPanelProps = (ComponentProps<typeof DocumentViewerPanel> & {
+type DocumentsTableProps = ComponentProps<typeof DocumentsPanel> | null;
+type DetailPanelProps = (ComponentProps<typeof DocumentViewerPanel> & {
   onClose?: () => void;
   onOpenPreview?: (args: { documentIds: Array<string> }) => void;
   folderNodes?: Map<Identifier | 'root', unknown>;
@@ -27,7 +27,7 @@ export type DetailPanelProps = (ComponentProps<typeof DocumentViewerPanel> & {
   ) => Promise<void>;
 }) | null;
 
-export type WorkspaceSurface = { content: ReactNode; detail?: ReactNode | null; detailMode?: 'overlay' | 'inline' | null } | null;
+type WorkspaceSurface = { content: ReactNode; detail?: ReactNode | null; detailMode?: 'overlay' | 'inline' | null } | null;
 
 export interface UseWorkspaceSurfaceArgs {
   sidebarHidden?: boolean;
@@ -44,7 +44,7 @@ export interface UseWorkspaceSurfaceArgs {
   closeDocumentPreview?: () => void;
 }
 
-export interface UseWorkspaceSurfaceResult {
+interface UseWorkspaceSurfaceResult {
   surface: WorkspaceSurface;
 }
 
diff --git a/frontend/src/appShellContext.ts b/frontend/src/appShellContext.ts
index d4b30cc..73e3afe 100644
--- a/frontend/src/appShellContext.ts
+++ b/frontend/src/appShellContext.ts
@@ -1,6 +1,6 @@
 import React from 'react';
 
-export type AppShellContextValue = Record<string, unknown>;
+type AppShellContextValue = Record<string, unknown>;
 
 export const AppShellContext = React.createContext<AppShellContextValue | null>(null);
 
diff --git a/frontend/src/asset_manager.ts b/frontend/src/asset_manager.ts
index 5742bb3..72f5183 100644
--- a/frontend/src/asset_manager.ts
+++ b/frontend/src/asset_manager.ts
@@ -4,9 +4,9 @@ import type { DocumentVersion, Document } from './types/documents';
 
 type Nullable<T> = T | null;
 
-export type { Asset, DocumentVersion as DocumentVersionLike, Document };
+export type { Asset };
 
-export const resolveAssetExpiresAt = (asset?: { download?: { expires_at: number } | null } | null): number | null =>
+const resolveAssetExpiresAt = (asset?: { download?: { expires_at: number } | null } | null): number | null =>
   asset?.download?.expires_at ?? null;
 
 export const resolveAssetUrl = (asset?: { download?: { url: string } | null } | null): string | null =>
@@ -20,7 +20,7 @@ export type EnsureAssetUrl = (
 
 export type GetAsset = (document: Document, assetType: string) => Nullable<Asset>;
 
-export const getAssetFromGroup = (
+const getAssetFromGroup = (
   assets?: Asset[] | Record<string, Asset> | null,
   assetType: string = '',
 ): Nullable<Asset> => {
diff --git a/frontend/src/constants/desktop.ts b/frontend/src/constants/desktop.ts
index dfe35b5..3acd06b 100644
--- a/frontend/src/constants/desktop.ts
+++ b/frontend/src/constants/desktop.ts
@@ -1,46 +1,3 @@
 export const DB_NAME = 'papercrate_desk';
 export const DB_VERSION = 1;
 export const LAYOUT_STORE = 'layouts';
-
-export const CLICK_ACTIONS = {
-  selectSingle: 'selectSingle',
-  openDetail: 'openDetail',
-  addCard: 'addCard',
-  addStack: 'addStack',
-  none: 'none',
-} as const;
-
-export const DRAG_ACTIONS = {
-  dragSelectSingle: 'dragSelectSingle',
-  dragSelection: 'dragSelection',
-  dragSelectStack: 'dragSelectStack',
-  none: 'none',
-} as const;
-
-export const STACK_HIT_EPSILON = 4;
-export const POINTER_DRAG_THRESHOLD_SQUARED = 16;
-export const LONG_PRESS_DURATION_MS = 450;
-
-export const DRAG_HYSTERESIS_PX = 4;
-export const DRAG_HYSTERESIS_SQUARED = DRAG_HYSTERESIS_PX * DRAG_HYSTERESIS_PX;
-export const EDGE_COLLISION_THRESHOLD = 0.5;
-
-export const DEBUG_DRAG = false;
-export const DEBUG_FOCUS = false;
-
-export const DESK_CANVAS_PADDING = 24;
-export const DESK_ROTATION_RANGE = 7;
-export const DESK_DEFAULT_CANVAS_WIDTH = 1024;
-export const DESK_DEFAULT_CANVAS_HEIGHT = 680;
-export const DESK_CARD_MIN = 240;
-export const DESK_CARD_MAX = 340;
-export const CARD_PAGE_WEIGHT_GRAMS = 5;
-export const CARD_BASE_WEIGHT_GRAMS = 30;
-export const DEFAULT_Z_START = 10;
-export const MIN_TIMESTEP = 1 / 120;
-export const MAX_TIMESTEP = 1 / 20;
-export const MAX_DYNAMIC_ROTATION = 7;
-export const MAX_ANGULAR_VELOCITY = 210;
-export const ANGULAR_DAMPING = 10;
-export const TORQUE_TO_ACCELERATION = 0.007;
-export const SETTLE_ANGULAR_VELOCITY = 0.45;
diff --git a/frontend/src/constants/settings.ts b/frontend/src/constants/settings.ts
index c483948..68d6145 100644
--- a/frontend/src/constants/settings.ts
+++ b/frontend/src/constants/settings.ts
@@ -3,19 +3,19 @@ import ApiTokensSection from '../settings/sections/ApiTokensSection';
 import CapabilitySetsSection from '../settings/sections/CapabilitySetsSection';
 import PasskeysSection from '../settings/sections/PasskeysSection';
 
-export const PASSKEYS_SECTION: SettingsSectionConfig = {
+const PASSKEYS_SECTION: SettingsSectionConfig = {
   id: 'passkeys',
   label: 'Passkeys',
   component: PasskeysSection,
 };
 
-export const API_TOKENS_SECTION: SettingsSectionConfig = {
+const API_TOKENS_SECTION: SettingsSectionConfig = {
   id: 'apiTokens',
   label: 'API tokens',
   component: ApiTokensSection,
 };
 
-export const CAPABILITY_SETS_SECTION: SettingsSectionConfig = {
+const CAPABILITY_SETS_SECTION: SettingsSectionConfig = {
   id: 'capabilitySets',
   label: 'Capability sets',
   component: CapabilitySetsSection,
diff --git a/frontend/src/constants/sidebar.ts b/frontend/src/constants/sidebar.ts
index ed24baf..21d2364 100644
--- a/frontend/src/constants/sidebar.ts
+++ b/frontend/src/constants/sidebar.ts
@@ -2,7 +2,6 @@ export const SIDEBAR_COLLAPSE_STORAGE_KEY = 'papercrate_sidebar_collapsed';
 export const THEME_STORAGE_KEY = 'papercrate_theme_settings';
 export const DEFAULT_NEUTRAL_HUE = 29;
 export const DEFAULT_NEUTRAL_CHROMA = 0.44;
-export const DEFAULT_NEUTRAL_CONTRAST = 0.56;
 export const DEFAULT_THEME_MODE = 'system';
 export const THEME_MODES = ['system', 'light', 'dark'];
 export const THEME_MODE_LABELS = {
diff --git a/frontend/src/constants/workspace.ts b/frontend/src/constants/workspace.ts
index 33bec91..86f339d 100644
--- a/frontend/src/constants/workspace.ts
+++ b/frontend/src/constants/workspace.ts
@@ -8,5 +8,3 @@ export const VIEW_MODE_STORAGE_KEY = 'papercrate_view_mode';
 export const SORT_FIELD_STORAGE_KEY = 'papercrate_sort_field';
 export const SORT_DIRECTION_STORAGE_KEY = 'papercrate_sort_direction';
 export const INCLUDE_DESCENDANTS_STORAGE_KEY = 'papercrate_include_descendants';
-
-export const ROOT_FOLDER_LABEL = DEFAULT_FOLDER_NAME;
diff --git a/frontend/src/contexts/DocumentOpenContext.tsx b/frontend/src/contexts/DocumentOpenContext.tsx
index 3f396e6..e08021a 100644
--- a/frontend/src/contexts/DocumentOpenContext.tsx
+++ b/frontend/src/contexts/DocumentOpenContext.tsx
@@ -2,9 +2,9 @@ import React, { createContext, useContext, useCallback } from 'react';
 import type { Document } from '../types/documents';
 import type { Identifier } from '../types/identifiers';
 
-export type DocumentOpenTarget = 'preview' | 'sidepanel' | 'viewer';
+type DocumentOpenTarget = 'preview' | 'sidepanel' | 'viewer';
 
-export interface DocumentOpenContextValue {
+interface DocumentOpenContextValue {
     openDocument: (doc: Document, target?: DocumentOpenTarget) => void;
 }
 
diff --git a/frontend/src/contexts/StatusToastContext.tsx b/frontend/src/contexts/StatusToastContext.tsx
index 541b0fc..fccad20 100644
--- a/frontend/src/contexts/StatusToastContext.tsx
+++ b/frontend/src/contexts/StatusToastContext.tsx
@@ -2,7 +2,7 @@ import React, { createContext, useContext, useState, useCallback, useEffect, use
 
 export type ToastVariant = 'info' | 'success' | 'error';
 
-export interface ToastMessage {
+interface ToastMessage {
     id: string;
     message: string;
     variant: ToastVariant;
diff --git a/frontend/src/correspondents/CorrespondentsPanel.tsx b/frontend/src/correspondents/CorrespondentsPanel.tsx
index b8e8fa1..8863cfa 100644
--- a/frontend/src/correspondents/CorrespondentsPanel.tsx
+++ b/frontend/src/correspondents/CorrespondentsPanel.tsx
@@ -6,7 +6,7 @@ interface CorrespondentUsage {
   [key: string]: unknown;
 }
 
-export interface CorrespondentEntry {
+interface CorrespondentEntry {
   id?: string;
   name?: string;
   usage?: CorrespondentUsage;
diff --git a/frontend/src/desktop/DesktopWorkspace.tsx b/frontend/src/desktop/DesktopWorkspace.tsx
index ebf0389..b33665d 100644
--- a/frontend/src/desktop/DesktopWorkspace.tsx
+++ b/frontend/src/desktop/DesktopWorkspace.tsx
@@ -8,7 +8,7 @@ import React, {
 import { LayoutStore, LayoutCard } from './LayoutSystem';
 import DesktopDocumentCard from './DesktopDocumentCard';
 import usePreviewMetadata from './hooks/usePreviewMetadata';
-import useDeskTagInteractions from './tags/useDeskTagInteractions';
+import { useDeskTagInteractions } from './tags/useDeskTagInteractions';
 import '../styles/workspace/workspace-layout.css';
 import '../styles/workspace/workspace-items.css';
 import '../styles/workspace/workspace-cards.css';
@@ -32,7 +32,7 @@ const computeFallbackCardSize = (_doc: Document, defaultSize: number = 200): Doc
   return { width: size, height: size, source: 'fallback' };
 };
 
-export interface DesktopWorkspaceProps {
+interface DesktopWorkspaceProps {
   entries: DocumentsListEntry[];
   ensureAssetUrl?: (...args: any[]) => Promise<unknown>;
   getDocumentAsset?: (...args: any[]) => unknown;
diff --git a/frontend/src/desktop/LayoutSystem.ts b/frontend/src/desktop/LayoutSystem.ts
index f8ba85c..0e14fa9 100644
--- a/frontend/src/desktop/LayoutSystem.ts
+++ b/frontend/src/desktop/LayoutSystem.ts
@@ -3,7 +3,7 @@ import { constrainDimensions, getInitialPosition, CONTAINER_PADDING } from './ut
 import { fetchLayoutRecords, upsertLayoutRecords } from './db';
 import { CardPhysics } from './CardPhysics';
 
-export interface LayoutCardState {
+interface LayoutCardState {
     id: string;
     x: number;
     y: number;
diff --git a/frontend/src/desktop/db.ts b/frontend/src/desktop/db.ts
index 2396025..d84cc9a 100644
--- a/frontend/src/desktop/db.ts
+++ b/frontend/src/desktop/db.ts
@@ -47,26 +47,6 @@ const requestToPromise = <T>(request: IDBRequest<T>, defaultValue: T): Promise<T
     };
   });
 
-const iterateCursor = (request: IDBRequest<IDBCursorWithValue | null>, iteratee: (cursor: IDBCursorWithValue) => void) =>
-  new Promise<void>((resolve, reject) => {
-    request.onsuccess = (event) => {
-      const cursor = (event.target as IDBRequest<IDBCursorWithValue>).result;
-      if (!cursor) {
-        resolve();
-        return;
-      }
-      try {
-        iteratee(cursor);
-        cursor.continue();
-      } catch (error) {
-        reject(error);
-      }
-    };
-    request.onerror = () => {
-      reject(request.error || new Error('IndexedDB cursor failed'));
-    };
-  });
-
 const transactionComplete = (transaction: IDBTransaction) =>
   new Promise<void>((resolve, reject) => {
     transaction.oncomplete = () => {
@@ -182,36 +162,3 @@ export const upsertLayoutRecords = async ({
     console.warn('[desk] Failed to upsert layout records', error);
   }
 };
-
-export const deleteTenantLayouts = async (tenantId?: TenantId) => {
-  if (!tenantId) {
-    return;
-  }
-  try {
-    await withStore('readwrite', (store) => {
-      const index = store.index('tenantIdx');
-      const request = index.openCursor(tenantId);
-      return iterateCursor(request, (cursor) => {
-        cursor.delete();
-      });
-    });
-  } catch (error) {
-    console.warn('[desk] Failed to clean tenant layouts', error);
-  }
-};
-
-export const closeDeskDatabase = (): void => {
-  if (!currentDbPromise.value) {
-    return;
-  }
-  currentDbPromise.value = currentDbPromise.value.then((db) => {
-    if (db) {
-      try {
-        db.close();
-      } catch (error) {
-        console.warn('[desk] Failed to close IndexedDB', error);
-      }
-    }
-    return null;
-  });
-};
diff --git a/frontend/src/desktop/tags/useDeskTagInteractions.ts b/frontend/src/desktop/tags/useDeskTagInteractions.ts
index 9e58fca..27ac140 100644
--- a/frontend/src/desktop/tags/useDeskTagInteractions.ts
+++ b/frontend/src/desktop/tags/useDeskTagInteractions.ts
@@ -239,5 +239,3 @@ export const useDeskTagInteractions = ({
         handleCanvasDrop,
     };
 };
-
-export default useDeskTagInteractions;
diff --git a/frontend/src/documents/CorrespondentLinks.tsx b/frontend/src/documents/CorrespondentLinks.tsx
index e4612a1..28368d7 100644
--- a/frontend/src/documents/CorrespondentLinks.tsx
+++ b/frontend/src/documents/CorrespondentLinks.tsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import { NBSP } from '../constants/ui';
 
-export interface CorrespondentLinkEntry {
+interface CorrespondentLinkEntry {
   id?: string | null;
   name?: string | null;
   key?: string;
diff --git a/frontend/src/documents/DocumentSummarySection.tsx b/frontend/src/documents/DocumentSummarySection.tsx
index dbcbe3e..5be4b25 100644
--- a/frontend/src/documents/DocumentSummarySection.tsx
+++ b/frontend/src/documents/DocumentSummarySection.tsx
@@ -147,7 +147,7 @@ const normalizeQuickAddOption = (option?: QuickAddOption | string | null): Quick
   };
 };
 
-export const TagSection: React.FC<TagSectionProps> = ({
+const TagSection: React.FC<TagSectionProps> = ({
   tags = [],
   onRemove,
   onAdd,
@@ -292,7 +292,7 @@ export const TagSection: React.FC<TagSectionProps> = ({
   );
 };
 
-export const CorrespondentSection: React.FC<CorrespondentSectionProps> = ({
+const CorrespondentSection: React.FC<CorrespondentSectionProps> = ({
   entries = [],
   onRemove,
   onAdd,
diff --git a/frontend/src/documents/DocumentThumbnailImage.tsx b/frontend/src/documents/DocumentThumbnailImage.tsx
index b8adfcc..73649c4 100644
--- a/frontend/src/documents/DocumentThumbnailImage.tsx
+++ b/frontend/src/documents/DocumentThumbnailImage.tsx
@@ -187,4 +187,3 @@ const DocumentThumbnailImage = ({
 };
 
 export default DocumentThumbnailImage;
-export { DEFAULT_THUMBNAIL_SIZE };
diff --git a/frontend/src/documents/DocumentsManager.ts b/frontend/src/documents/DocumentsManager.ts
index 98b5924..3430962 100644
--- a/frontend/src/documents/DocumentsManager.ts
+++ b/frontend/src/documents/DocumentsManager.ts
@@ -1,7 +1,7 @@
 import { shallowEqual } from 'react-redux';
 import type { DocumentId } from '../types/identifiers';
 
-export type ManagedDocument = { id?: DocumentId | null } & Record<string, unknown>;
+type ManagedDocument = { id?: DocumentId | null } & Record<string, unknown>;
 
 type FetchDocument = (id: DocumentId) => Promise<unknown>;
 
diff --git a/frontend/src/documents/SelectionAssignmentMenu.tsx b/frontend/src/documents/SelectionAssignmentMenu.tsx
index bee9893..59ec9be 100644
--- a/frontend/src/documents/SelectionAssignmentMenu.tsx
+++ b/frontend/src/documents/SelectionAssignmentMenu.tsx
@@ -2,7 +2,7 @@ import React, { CSSProperties, useCallback, useEffect, useMemo, useRef, useState
 import useFloatingMenu from '../ui/useFloatingMenu';
 import { CheckIcon, CircleDashedCheckIcon, PlusIcon } from '../ui/icons';
 
-export type AssignmentState = 'all' | 'partial' | 'none';
+type AssignmentState = 'all' | 'partial' | 'none';
 
 export interface SelectionAssignmentMenuItem {
   id?: string;
@@ -24,7 +24,7 @@ export interface NormalizedSelectionAssignmentItem {
   payload: unknown;
 }
 
-export interface SelectionAssignmentMenuProps {
+interface SelectionAssignmentMenuProps {
   label: React.ReactNode;
   items?: SelectionAssignmentMenuItem[];
   placeholder?: string;
diff --git a/frontend/src/documents/SelectionFloatingActions.tsx b/frontend/src/documents/SelectionFloatingActions.tsx
index cb8d68d..d42d0c3 100644
--- a/frontend/src/documents/SelectionFloatingActions.tsx
+++ b/frontend/src/documents/SelectionFloatingActions.tsx
@@ -53,7 +53,7 @@ interface BulkCorrespondentRemoveArgs {
   documentIds: DocumentId[];
 }
 
-export interface SelectionFloatingActionsProps {
+interface SelectionFloatingActionsProps {
   selectionCount?: number;
   selectedDocumentIds?: SelectedIdList;
   selectedFolderIds?: SelectedIdList;
@@ -487,7 +487,7 @@ const SelectionFloatingActions: React.FC<SelectionFloatingActionsProps> = ({
   );
 };
 
-export type SelectionFloatingPanelProps = Omit<SelectionFloatingActionsProps, 'selectedDocumentIds' | 'selectedFolderIds' | 'selectionCount'>;
+type SelectionFloatingPanelProps = Omit<SelectionFloatingActionsProps, 'selectedDocumentIds' | 'selectedFolderIds' | 'selectionCount'>;
 
 export const SelectionFloatingPanel: React.FC<SelectionFloatingPanelProps> = ({ onClearSelection, ...rest }) => {
   const { selectedDocumentIds, selectedFolderIds, clearSelection } = useWorkspaceSelectionContext();
@@ -512,6 +512,3 @@ export const SelectionFloatingPanel: React.FC<SelectionFloatingPanelProps> = ({
     </div>
   );
 };
-
-
-export default SelectionFloatingActions;
diff --git a/frontend/src/documents/SelectionFolderMenu.tsx b/frontend/src/documents/SelectionFolderMenu.tsx
index 958f5ec..d2acf6e 100644
--- a/frontend/src/documents/SelectionFolderMenu.tsx
+++ b/frontend/src/documents/SelectionFolderMenu.tsx
@@ -8,7 +8,7 @@ import {
 import type { FolderTreeNode } from '../lib/apiTypes';
 import type { DocumentId } from '../types/identifiers';
 
-export interface SelectionFolderMenuProps {
+interface SelectionFolderMenuProps {
     label: React.ReactNode;
     folderTree?: FolderTreeNode[];
     onSelectFolder?: (folderId: DocumentId | null) => Promise<void> | void;
diff --git a/frontend/src/documents/components/EntryShell.tsx b/frontend/src/documents/components/EntryShell.tsx
index 027c47b..d5f4cf5 100644
--- a/frontend/src/documents/components/EntryShell.tsx
+++ b/frontend/src/documents/components/EntryShell.tsx
@@ -1,6 +1,6 @@
 import React, { type DragEvent } from 'react';
 
-export interface EntryShellHandlers {
+interface EntryShellHandlers {
     onClick: (event: React.MouseEvent) => void;
     onDoubleClick: (event: React.MouseEvent) => void;
     onDragStart: (event: DragEvent<HTMLElement>) => void;
diff --git a/frontend/src/documents/components/IconSizeSlider.tsx b/frontend/src/documents/components/IconSizeSlider.tsx
deleted file mode 100644
index ec8af31..0000000
--- a/frontend/src/documents/components/IconSizeSlider.tsx
+++ /dev/null
@@ -1,31 +0,0 @@
-import React from 'react';
-
-interface IconSizeSliderProps {
-    scale: number;
-    onChange: (scale: number) => void;
-    min?: number;
-    max?: number;
-}
-
-const IconSizeSlider: React.FC<IconSizeSliderProps> = ({
-    scale,
-    onChange,
-    min = 0.5,
-    max = 2,
-}) => {
-    return (
-        <div className="icon-size-slider">
-            <input
-                type="range"
-                className="icon-size-slider__input"
-                min={min}
-                max={max}
-                step="any"
-                value={scale}
-                onChange={(e) => onChange(parseFloat(e.target.value))}
-            />
-        </div>
-    );
-};
-
-export default IconSizeSlider;
diff --git a/frontend/src/documents/context/DocumentsFilterContext.tsx b/frontend/src/documents/context/DocumentsFilterContext.tsx
index 706865e..2094360 100644
--- a/frontend/src/documents/context/DocumentsFilterContext.tsx
+++ b/frontend/src/documents/context/DocumentsFilterContext.tsx
@@ -35,5 +35,3 @@ export const useDocumentsFilter = (): DocumentsFilterValue => {
   }
   return context;
 };
-
-export default DocumentsFilterContext;
diff --git a/frontend/src/documents/correspondents.ts b/frontend/src/documents/correspondents.ts
index b70a662..6d81ca4 100644
--- a/frontend/src/documents/correspondents.ts
+++ b/frontend/src/documents/correspondents.ts
@@ -1,12 +1,6 @@
-export interface CorrespondentReference {
-  id?: string | null;
-  name?: string | null;
-  key?: string;
-}
-
 import type { Document } from '../types/documents';
 
-export interface ResolvedCorrespondent {
+interface ResolvedCorrespondent {
   id?: string | null;
   name: string;
   key: string;
@@ -44,5 +38,3 @@ export const resolveCorrespondents = (doc?: Document | null): ResolvedCorrespond
 
   return results;
 };
-
-export default resolveCorrespondents;
diff --git a/frontend/src/documents/documentActions.ts b/frontend/src/documents/documentActions.ts
index a36b6ee..863cb6f 100644
--- a/frontend/src/documents/documentActions.ts
+++ b/frontend/src/documents/documentActions.ts
@@ -6,8 +6,6 @@ import type {
 } from '../utils/ocr';
 import type { Document } from '../types/documents';
 
-export type { Document };
-
 const asyncFalse = async () => false;
 
 const resolveDocumentDownloadHref = (document?: Document | null): string | null => {
@@ -82,8 +80,3 @@ export const createDocumentActionState = ({
     openOcr,
   };
 };
-
-export const documentActionsTestExports = {
-  resolveDocumentDownloadHref,
-  hasDocumentTextContentAsset,
-};
diff --git a/frontend/src/documents/documentSummary.ts b/frontend/src/documents/documentSummary.ts
index f9f3b8a..648c3ca 100644
--- a/frontend/src/documents/documentSummary.ts
+++ b/frontend/src/documents/documentSummary.ts
@@ -8,7 +8,7 @@ interface DescribeSummaryOptions {
   formatDateTime?: typeof defaultFormatDateTime;
 }
 
-export type DocumentSummaryRowType = 'text' | 'editable-title' | 'editable-issued' | 'tags' | 'correspondents' | 'folder';
+type DocumentSummaryRowType = 'text' | 'editable-title' | 'editable-issued' | 'tags' | 'correspondents' | 'folder';
 
 export interface DocumentSummaryRow {
   key: string;
@@ -17,7 +17,7 @@ export interface DocumentSummaryRow {
   kind?: DocumentSummaryRowType;
 }
 
-export type DocumentSummary = DocumentSummaryRow[];
+type DocumentSummary = DocumentSummaryRow[];
 
 const coercePageCount = (metadata?: { page_count?: number | string | null } | null): number | null => {
   const raw = metadata?.page_count;
diff --git a/frontend/src/documents/hooks/useDocumentsPanelProps.ts b/frontend/src/documents/hooks/useDocumentsPanelProps.ts
index a05ee60..6694555 100644
--- a/frontend/src/documents/hooks/useDocumentsPanelProps.ts
+++ b/frontend/src/documents/hooks/useDocumentsPanelProps.ts
@@ -2,20 +2,20 @@ import { useMemo } from 'react';
 import type { WorkspaceSelectionValue } from '../../app/WorkspaceSelectionContext';
 import type { Identifier } from '../../types/identifiers';
 
-export interface Breadcrumb {
+interface Breadcrumb {
   id?: Identifier;
   name?: string;
   label?: string;
   title?: string;
 }
 
-export interface FolderClickHandlers {
+interface FolderClickHandlers {
   onDrop?: (...args: unknown[]) => void;
   onDragOver?: (...args: unknown[]) => void;
   onDragLeave?: (...args: unknown[]) => void;
 }
 
-export interface UseDocumentsPanelPropsArgs {
+interface UseDocumentsPanelPropsArgs {
   currentFolderName?: string | null;
   breadcrumbs?: Breadcrumb[];
   refreshCurrentFolder?: () => void | Promise<void>;
@@ -65,8 +65,6 @@ export interface UseDocumentsPanelPropsArgs {
   selectionValue: WorkspaceSelectionValue;
 }
 
-export type DocumentsPanelProps = ReturnType<typeof useDocumentsPanelProps>;
-
 const useDocumentsPanelProps = (props: UseDocumentsPanelPropsArgs) => {
   const {
     currentFolderName,
diff --git a/frontend/src/documents/panel/DocumentsToolbar.tsx b/frontend/src/documents/panel/DocumentsToolbar.tsx
index bced972..45c18a6 100644
--- a/frontend/src/documents/panel/DocumentsToolbar.tsx
+++ b/frontend/src/documents/panel/DocumentsToolbar.tsx
@@ -51,43 +51,43 @@ export const createDocumentsTableHeaderActions = ({
 
   const includeDescendantsToggle = isFilterActive && onToggleIncludeDescendants
     ? (
-        <button
-          type="button"
-          className="icon-button documents-toolbar__toggle"
-          onClick={onToggleIncludeDescendants}
-          aria-pressed={!includeDescendants}
-          aria-label={includeDescendants ? 'Include subfolders' : 'Limit to current folder'}
-          title={includeDescendants
-            ? 'Including subfolders. Click to limit the search to the current folder.'
-            : 'Limiting to the current folder. Click to include subfolders again.'}
-        >
-          {includeDescendants ? <FoldersIcon /> : <FoldersOffIcon />}
-        </button>
-      )
+      <button
+        type="button"
+        className="icon-button documents-toolbar__toggle"
+        onClick={onToggleIncludeDescendants}
+        aria-pressed={!includeDescendants}
+        aria-label={includeDescendants ? 'Include subfolders' : 'Limit to current folder'}
+        title={includeDescendants
+          ? 'Including subfolders. Click to limit the search to the current folder.'
+          : 'Limiting to the current folder. Click to include subfolders again.'}
+      >
+        {includeDescendants ? <FoldersIcon /> : <FoldersOffIcon />}
+      </button>
+    )
     : null;
 
   const sortControls = onSortFieldChange
     ? (
-        <div className="documents-actions__sort-group">
-          <SortFieldQuickMenu sortField={sortField} onChange={onSortFieldChange} />
-          {onSortDirectionToggle ? (
-            <button
-              type="button"
-              className="icon-button documents-toolbar__toggle documents-sort__direction"
-              onClick={onSortDirectionToggle}
-              aria-pressed={sortDirectionIsDesc}
-              aria-label={sortDirectionIsDesc ? 'Sort descending' : 'Sort ascending'}
-              title={sortDirectionTitle}
-            >
-              {sortDirectionIsDesc ? (
-                <SortDescendingLettersIcon size={18} />
-              ) : (
-                <SortAscendingLettersIcon size={18} />
-              )}
-            </button>
-          ) : null}
-        </div>
-      )
+      <div className="documents-actions__sort-group">
+        <SortFieldQuickMenu sortField={sortField} onChange={onSortFieldChange} />
+        {onSortDirectionToggle ? (
+          <button
+            type="button"
+            className="icon-button documents-toolbar__toggle documents-sort__direction"
+            onClick={onSortDirectionToggle}
+            aria-pressed={sortDirectionIsDesc}
+            aria-label={sortDirectionIsDesc ? 'Sort descending' : 'Sort ascending'}
+            title={sortDirectionTitle}
+          >
+            {sortDirectionIsDesc ? (
+              <SortDescendingLettersIcon size={18} />
+            ) : (
+              <SortAscendingLettersIcon size={18} />
+            )}
+          </button>
+        ) : null}
+      </div>
+    )
     : null;
 
   return (
@@ -152,5 +152,3 @@ export const createDocumentsTableHeaderActions = ({
     </>
   );
 };
-
-export default createDocumentsTableHeaderActions;
diff --git a/frontend/src/documents/tagTransfer.ts b/frontend/src/documents/tagTransfer.ts
index b679466..a8e82fc 100644
--- a/frontend/src/documents/tagTransfer.ts
+++ b/frontend/src/documents/tagTransfer.ts
@@ -21,7 +21,7 @@ const serializePayload = (payload: TagPayload): string | null => {
   }
 };
 
-export const createTagTransferPayload = (
+const createTagTransferPayload = (
   tag?: TagLike | null,
   sourceDocId: DocumentId | null = null,
 ): TagPayload | null => {
@@ -65,7 +65,7 @@ export const writeTagTransferData = (
   }
 };
 
-export const readTagTransferData = (dataTransfer?: DataTransfer | null): string | null => {
+const readTagTransferData = (dataTransfer?: DataTransfer | null): string | null => {
   if (!dataTransfer) {
     return null;
   }
@@ -133,4 +133,3 @@ export const isTagTransferEvent = (event?: DragEventLike | null): boolean => {
   return TAG_MIME_TYPES.some((type) => typeList.includes(type));
 };
 
-export { TAG_MIME_TYPES };
diff --git a/frontend/src/documents/useEntryPointer.ts b/frontend/src/documents/useEntryPointer.ts
index 7e9451e..df44bca 100644
--- a/frontend/src/documents/useEntryPointer.ts
+++ b/frontend/src/documents/useEntryPointer.ts
@@ -1,7 +1,7 @@
 import { useCallback } from 'react';
 import { createDocumentEntryKey, createFolderEntryKey } from '../app/entryKey';
 
-export type PointerEventLike = MouseEvent | PointerEvent;
+type PointerEventLike = MouseEvent | PointerEvent;
 
 export const isPointerModifierEvent = (event?: PointerEventLike | null): boolean =>
   Boolean(event && (event.shiftKey || event.metaKey || event.ctrlKey || event.altKey));
@@ -17,9 +17,9 @@ export const isPrimaryPointerEvent = (event?: PointerEventLike | null): boolean
   return type === 'click' || type === 'pointerdown' || type === 'pointerup';
 };
 
-export type EntryType = 'document' | 'folder';
+type EntryType = 'document' | 'folder';
 
-export interface WorkspaceEntry {
+interface WorkspaceEntry {
   id: string;
   key?: string;
   type: EntryType;
@@ -31,7 +31,7 @@ interface UseEntryPointerOptions {
   onDocumentActivate?: (id: string, metadata?: EntryPointerMetadata) => void;
 }
 
-export interface EntryPointerMetadata {
+interface EntryPointerMetadata {
   modifierClick: boolean;
   primaryClick: boolean;
   rowKey: string;
@@ -72,5 +72,3 @@ export const useEntryPointer = ({
     },
     [onSelectEntry, onDocumentActivate],
   );
-
-export default useEntryPointer;
diff --git a/frontend/src/folders/FolderManagerContext.tsx b/frontend/src/folders/FolderManagerContext.tsx
index e258b7c..fe383ff 100644
--- a/frontend/src/folders/FolderManagerContext.tsx
+++ b/frontend/src/folders/FolderManagerContext.tsx
@@ -3,7 +3,7 @@ import { DEFAULT_FOLDER_NAME } from '../app/workspaceUtils';
 
 type FolderId = string | null;
 
-export interface FolderManager {
+interface FolderManager {
   getNameSync: (folderId: FolderId) => string | null;
   resolveName: (folderId: FolderId) => Promise<string>;
 }
@@ -55,5 +55,3 @@ export const FolderManagerProvider: React.FC<FolderManagerProviderProps> = ({
 };
 
 export const useFolderManager = (): FolderManager => useContext(FolderManagerContext);
-
-export default FolderManagerContext;
diff --git a/frontend/src/hooks/documents/useDocumentsWorkspace.ts b/frontend/src/hooks/documents/useDocumentsWorkspace.ts
index 8c1ce1e..4f6f657 100644
--- a/frontend/src/hooks/documents/useDocumentsWorkspace.ts
+++ b/frontend/src/hooks/documents/useDocumentsWorkspace.ts
@@ -20,7 +20,7 @@ import { useManagementModals } from '../../app/useManagementModals';
 import { useAppDispatch, useAppState } from '../../app/appState';
 import { fetchAsset } from '../../lib/apiClient';
 import { useApi } from '../../app/ApiContext';
-import useWorkspaceSelection from '../../app/useWorkspaceSelection';
+import { useWorkspaceSelection } from '../../app/useWorkspaceSelection';
 import { useEntryPointer as useEntryPointerCore } from '../../documents/useEntryPointer';
 import { isTagTransferEvent } from '../../documents/tagTransfer';
 import useDocumentsSelection from '../../documents/hooks/useDocumentsSelection';
diff --git a/frontend/src/lib/apiClient.ts b/frontend/src/lib/apiClient.ts
index 672e718..85d66e5 100644
--- a/frontend/src/lib/apiClient.ts
+++ b/frontend/src/lib/apiClient.ts
@@ -342,15 +342,4 @@ api.interceptors.response.use(
   },
 );
 
-export type {
-  DownloadLink,
-  DocumentResponse,
-  AssetResponse,
-  FolderTreeNode,
-  CapabilitySetResponse,
-  CapabilityResponse,
-  ApiTokenRecord,
-  PasskeySummary,
-  Identifier,
-  TenantSnippet,
-} from './apiTypes';
+export type { ApiTokenRecord } from './apiTypes';
diff --git a/frontend/src/lib/apiTypes.ts b/frontend/src/lib/apiTypes.ts
index 1abb117..0c6d621 100644
--- a/frontend/src/lib/apiTypes.ts
+++ b/frontend/src/lib/apiTypes.ts
@@ -14,7 +14,7 @@ export interface TagResponse {
   color?: string | null;
 }
 
-export interface CorrespondentResponse {
+interface CorrespondentResponse {
   id: string;
   name: string;
   metadata: Record<string, unknown>;
@@ -29,7 +29,7 @@ export interface AssetResponse {
   [key: string]: unknown;
 }
 
-export interface DocumentVersionResponse {
+interface DocumentVersionResponse {
   id: string;
   version_number: number;
   size_bytes: number;
@@ -57,7 +57,7 @@ export interface DocumentResponse {
   current_version?: DocumentVersionResponse | null;
 }
 
-export interface FolderInfo {
+interface FolderInfo {
   id: string;
   name: string;
   parent_id?: string | null;
diff --git a/frontend/src/preview/DocumentViewerPanel.tsx b/frontend/src/preview/DocumentViewerPanel.tsx
index 7d659b5..010e61d 100644
--- a/frontend/src/preview/DocumentViewerPanel.tsx
+++ b/frontend/src/preview/DocumentViewerPanel.tsx
@@ -23,7 +23,7 @@ import { resolveDocumentAssetUrl } from '../asset_manager';
 import PanelHeader from '../ui/PanelHeader';
 import BreadcrumbTrail from '../ui/BreadcrumbTrail';
 import DocumentViewerLayout from './DocumentViewerLayout';
-import useViewerLayoutMode from './useViewerLayoutMode';
+import { useViewerLayoutMode } from './useViewerLayoutMode';
 import { usePanelResizeBindings } from '../app/PanelManagerContext';
 import type { DocumentId, FolderId } from '../types/identifiers';
 import type { Document } from '../types/documents';
@@ -46,7 +46,7 @@ interface DocumentViewerPanelProps extends DocumentSummarySectionProps {
   sidebarMode?: SidebarMode;
 }
 
-export const createDocumentViewerHeaderActions = ({
+const createDocumentViewerHeaderActions = ({
   document,
   actionState,
   onZoom,
diff --git a/frontend/src/preview/MediaViewer.tsx b/frontend/src/preview/MediaViewer.tsx
index e6f288f..305f525 100644
--- a/frontend/src/preview/MediaViewer.tsx
+++ b/frontend/src/preview/MediaViewer.tsx
@@ -2,7 +2,7 @@ import React from 'react';
 import { DownloadIcon } from '../ui/icons';
 import { AUDIO_EXTENSIONS, VIDEO_EXTENSIONS } from '../constants/preview';
 
-export interface MediaViewerProps {
+interface MediaViewerProps {
     src: string;
     mimeType?: string;
     filename?: string;
diff --git a/frontend/src/preview/useViewerLayoutMode.ts b/frontend/src/preview/useViewerLayoutMode.ts
index c16ee60..b98c74c 100644
--- a/frontend/src/preview/useViewerLayoutMode.ts
+++ b/frontend/src/preview/useViewerLayoutMode.ts
@@ -5,8 +5,6 @@ import {
   PORTRAIT_RATIO_STYLE_ID,
 } from '../constants/preview';
 
-export { DOCUMENT_VIEWER_PORTRAIT_HEIGHT_RATIO };
-
 const ensurePortraitRatioStyle = () => {
   const cssValue = String(DOCUMENT_VIEWER_PORTRAIT_HEIGHT_RATIO);
   const cssText = `:root { --document-viewer-portrait-height-ratio: ${cssValue}; }`;
@@ -78,5 +76,3 @@ export const useViewerLayoutMode = (
 
   return isStacked;
 };
-
-export default useViewerLayoutMode;
diff --git a/frontend/src/routes/DocumentViewerRoute.tsx b/frontend/src/routes/DocumentViewerRoute.tsx
deleted file mode 100644
index 4e6540e..0000000
--- a/frontend/src/routes/DocumentViewerRoute.tsx
+++ /dev/null
@@ -1,61 +0,0 @@
-import React, { useEffect } from 'react';
-import { Navigate, useNavigate, useParams } from 'react-router-dom';
-
-import { useAppShell } from '../appShellContext';
-import type { Identifier } from '../types/identifiers';
-
-interface DocumentViewerRouteContext {
-  previewWorkspaceDocument?: { id?: Identifier } | null;
-  ensurePreviewData?: (documentId: Identifier, options?: Record<string, unknown>) => Promise<unknown>;
-  notifyApiError?: (error: unknown, message?: string) => void;
-}
-
-const DocumentViewerRoute: React.FC = () => {
-  const {
-    previewWorkspaceDocument,
-    ensurePreviewData,
-    notifyApiError,
-  } = useAppShell() as DocumentViewerRouteContext;
-  const { documentId } = useParams();
-  const navigate = useNavigate();
-
-  useEffect(() => {
-    if (!documentId) {
-      navigate('/documents', { replace: true });
-      return;
-    }
-
-    let cancelled = false;
-
-    const hydrate = async () => {
-      try {
-        await ensurePreviewData?.(documentId);
-      } catch (error) {
-        if (cancelled) {
-          return;
-        }
-        notifyApiError?.(error, 'Failed to open document preview.');
-        navigate('/documents', { replace: true });
-      }
-    };
-
-    hydrate();
-
-    return () => {
-      cancelled = true;
-    };
-  }, [documentId, ensurePreviewData, notifyApiError, navigate]);
-
-  if (!documentId) {
-    return <Navigate to="/documents" replace />;
-  }
-
-  const previewId = previewWorkspaceDocument?.id;
-  if (!previewWorkspaceDocument || String(previewId) !== String(documentId)) {
-    return <div className="document-viewer__message">Loading preview…</div>;
-  }
-
-  return <Navigate to="/documents" replace />;
-};
-
-export default DocumentViewerRoute;
diff --git a/frontend/src/settings/sections/index.ts b/frontend/src/settings/sections/index.ts
index 6fe29ce..70f1e17 100644
--- a/frontend/src/settings/sections/index.ts
+++ b/frontend/src/settings/sections/index.ts
@@ -1,12 +1,5 @@
-import PasskeysSection from './PasskeysSection';
-import ApiTokensSection from './ApiTokensSection';
-import CapabilitySetsSection from './CapabilitySetsSection';
 import {
-  API_TOKENS_SECTION,
-  CAPABILITY_SETS_SECTION,
   DEFAULT_SETTINGS_SECTIONS,
-  PASSKEYS_SECTION,
 } from '../../constants/settings';
 
-export { PasskeysSection, ApiTokensSection, CapabilitySetsSection };
-export { PASSKEYS_SECTION, API_TOKENS_SECTION, CAPABILITY_SETS_SECTION, DEFAULT_SETTINGS_SECTIONS };
+export { DEFAULT_SETTINGS_SECTIONS };
diff --git a/frontend/src/settings/usePasskeys.ts b/frontend/src/settings/usePasskeys.ts
index 058178d..527eb8c 100644
--- a/frontend/src/settings/usePasskeys.ts
+++ b/frontend/src/settings/usePasskeys.ts
@@ -59,13 +59,13 @@ interface PasskeyRegisterPayload {
   nickname?: string;
 }
 
-export type RegisterPasskeyFailureReason = 'unsupported' | 'busy' | 'cancelled' | 'error';
+type RegisterPasskeyFailureReason = 'unsupported' | 'busy' | 'cancelled' | 'error';
 export type RegisterPasskeyResult =
   | { ok: true }
   | { ok: false; reason: RegisterPasskeyFailureReason; message?: string };
 
-export type RevokePasskeyFailureReason = 'missing-id' | 'error';
-export type RevokePasskeyResult =
+type RevokePasskeyFailureReason = 'missing-id' | 'error';
+type RevokePasskeyResult =
   | { ok: true }
   | { ok: false; reason: RevokePasskeyFailureReason; message?: string };
 
diff --git a/frontend/src/sidebar/SidebarContext.tsx b/frontend/src/sidebar/SidebarContext.tsx
index f15953b..504502b 100644
--- a/frontend/src/sidebar/SidebarContext.tsx
+++ b/frontend/src/sidebar/SidebarContext.tsx
@@ -295,12 +295,3 @@ export const useSidebarContext = () => {
   }
   return context;
 };
-
-export const useSidebarControls = () => {
-  const { setCollapsed } = useSidebarContext();
-  const openSidebar = useCallback(() => setCollapsed(false), [setCollapsed]);
-  const closeSidebar = useCallback(() => setCollapsed(true), [setCollapsed]);
-  return { openSidebar, closeSidebar };
-};
-
-export default SidebarContext;
diff --git a/frontend/src/sidebar/components/SidebarFolderNode.tsx b/frontend/src/sidebar/components/SidebarFolderNode.tsx
index c3eb9b4..125fcbf 100644
--- a/frontend/src/sidebar/components/SidebarFolderNode.tsx
+++ b/frontend/src/sidebar/components/SidebarFolderNode.tsx
@@ -20,7 +20,7 @@ export interface FolderTreeNode {
     expanded?: boolean;
 }
 
-export interface FolderNodeProps {
+interface FolderNodeProps {
     node: FolderTreeNode;
     depth: number;
     isSelected: boolean;
diff --git a/frontend/src/types/documents.ts b/frontend/src/types/documents.ts
index a49f0bd..0905ce3 100644
--- a/frontend/src/types/documents.ts
+++ b/frontend/src/types/documents.ts
@@ -57,14 +57,14 @@ export interface Folder {
     name?: string;
 }
 
-export type FolderEntry = {
+type FolderEntry = {
     type: 'folder';
     id: Identifier | 'root';
     key: string;
     folder: Folder;
 };
 
-export type DocumentEntry = {
+type DocumentEntry = {
     type: 'document';
     id: Identifier;
     key: string;
@@ -77,4 +77,3 @@ export type DocumentsListEntry = FolderEntry | DocumentEntry;
 import type { MouseEvent } from 'react';
 
 export type FolderEventHandler = (folder: Folder, event: MouseEvent<HTMLElement>) => void;
-export type DocumentEventHandler = (document: Document, event: MouseEvent<HTMLElement>) => void;
diff --git a/frontend/src/ui/PanelHeader.tsx b/frontend/src/ui/PanelHeader.tsx
index 25647cc..ebda6a8 100644
--- a/frontend/src/ui/PanelHeader.tsx
+++ b/frontend/src/ui/PanelHeader.tsx
@@ -1,5 +1,5 @@
 import React, { ElementType, ReactNode } from 'react';
-import composeClassName from './classNames';
+import { composeClassName } from './classNames';
 
 type TitleProps = Record<string, unknown>;
 
diff --git a/frontend/src/ui/QuickAddMenu.tsx b/frontend/src/ui/QuickAddMenu.tsx
index e993557..a3707fe 100644
--- a/frontend/src/ui/QuickAddMenu.tsx
+++ b/frontend/src/ui/QuickAddMenu.tsx
@@ -49,7 +49,7 @@ interface FloatingMenuState {
 
 type CSSVarStyle = CSSProperties & Record<string, string>;
 
-export interface QuickAddMenuProps {
+interface QuickAddMenuProps {
   onSelectOption?: (value: QuickAddOption, normalized: NormalizedOption) => Promise<void> | void;
   onCreate?: (value: string) => Promise<void> | void;
   options?: QuickAddOption[];
diff --git a/frontend/src/ui/classNames.ts b/frontend/src/ui/classNames.ts
index b5119fc..a95a0cd 100644
--- a/frontend/src/ui/classNames.ts
+++ b/frontend/src/ui/classNames.ts
@@ -1,4 +1,2 @@
 export const composeClassName = (base: string, extra?: string | null): string =>
   extra ? `${base} ${extra}` : base;
-
-export default composeClassName;
diff --git a/frontend/src/ui/icons.tsx b/frontend/src/ui/icons.tsx
index 6654732..7dda564 100644
--- a/frontend/src/ui/icons.tsx
+++ b/frontend/src/ui/icons.tsx
@@ -12,15 +12,11 @@ import {
   IconLayoutList,
   IconLayoutGrid,
   IconArrowLeft,
-  IconArrowRight,
-  IconArrowUp,
   IconAnalyze,
   IconUpload,
   IconWindowMaximize,
-  IconTextScan2,
   IconFolderPlus,
   IconFolder,
-  IconFolderUp,
   IconFolders,
   IconFoldersOff,
   IconRefresh,
@@ -37,10 +33,8 @@ import {
   IconDeviceLaptop,
   IconLayoutSidebarLeftCollapse,
   IconLayoutSidebarLeftExpand,
-  IconLayoutSidebarRightCollapse,
   IconLayoutBottombarCollapse,
   IconLayoutBottombarExpand,
-  IconClearAll,
   IconInfoCircle,
   IconCircleDashedCheck,
   IconFile,
@@ -56,7 +50,7 @@ import {
 import FolderSvg from '../assets/folder.svg';
 const logoWebp = new URL('../assets/logo.webp', import.meta.url).toString();
 const logoSmallWebp = new URL('../assets/logo_small.webp', import.meta.url).toString();
-import composeClassName from './classNames';
+import { composeClassName } from './classNames';
 
 type TablerIconComponent = (props: TablerIconProps) => JSX.Element;
 
@@ -223,16 +217,6 @@ export const ArrowLeftIcon: TablerIconComponent = ({ className, size = '1em', st
     {...rest}
   />
 );
-
-export const ArrowRightIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
-  <IconArrowRight
-    className={composeClassName('icon', className)}
-    size={size}
-    stroke={stroke}
-    {...rest}
-  />
-);
-
 export const SidebarCollapseIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
   <IconLayoutSidebarLeftCollapse
     className={composeClassName('icon', className)}
@@ -268,16 +252,6 @@ export const FileInfoIcon: TablerIconComponent = ({ className, size = '1em', str
     {...rest}
   />
 );
-
-export const DetailPanelCollapseIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
-  <IconLayoutSidebarRightCollapse
-    className={composeClassName('icon', className)}
-    size={size}
-    stroke={stroke}
-    {...rest}
-  />
-);
-
 export const BottombarCollapseIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
   <IconLayoutBottombarCollapse
     className={composeClassName('icon', className)}
@@ -295,16 +269,6 @@ export const BottombarExpandIcon: TablerIconComponent = ({ className, size = '1e
     {...rest}
   />
 );
-
-export const ClearAllIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
-  <IconClearAll
-    className={composeClassName('icon', className)}
-    size={size}
-    stroke={stroke}
-    {...rest}
-  />
-);
-
 export const FolderPlusIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
   <IconFolderPlus
     className={composeClassName('icon', className)}
@@ -349,16 +313,6 @@ export const RestoreIcon: TablerIconComponent = ({ className, size = '1em', stro
     {...rest}
   />
 );
-
-export const ArrowUpIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
-  <IconArrowUp
-    className={composeClassName('icon', className)}
-    size={size}
-    stroke={stroke}
-    {...rest}
-  />
-);
-
 export const MinusVerticalIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
   <IconMinusVertical
     className={composeClassName('icon', className)}
@@ -567,16 +521,6 @@ export const ChevronDownIcon: TablerIconComponent = ({ className, size = '1em',
     {...rest}
   />
 );
-
-export const FolderUpIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
-  <IconFolderUp
-    className={composeClassName('icon', className)}
-    size={size}
-    stroke={stroke}
-    {...rest}
-  />
-);
-
 export const FolderMoveIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
   <svg
     xmlns="http://www.w3.org/2000/svg"
@@ -601,38 +545,3 @@ export const FolderMoveIcon: TablerIconComponent = ({ className, size = '1em', s
     </g>
   </svg>
 );
-
-export default {
-  ChevronIcon,
-  TrashIcon,
-  EditIcon,
-  FolderIcon,
-  TagIcon,
-  CorrespondentIcon,
-  DownloadIcon,
-  ViewListIcon,
-  ViewGridIcon,
-  SidebarCollapseIcon,
-  SidebarExpandIcon,
-  DetailPanelCollapseIcon,
-  AnalyzeIcon,
-  LoaderIcon,
-  WindowMaximizeIcon,
-  FolderPlusIcon,
-  RefreshIcon,
-  ArrowUpIcon,
-  MinusVerticalIcon,
-  LogoutIcon,
-  ChevronDownIcon,
-  FolderUpIcon,
-  FolderMoveIcon,
-};
-
-export const TextScanIcon: TablerIconComponent = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
-  <IconTextScan2
-    className={composeClassName('icon', className)}
-    size={size}
-    stroke={stroke}
-    {...rest}
-  />
-);
diff --git a/frontend/src/ui/usePointerTap.ts b/frontend/src/ui/usePointerTap.ts
deleted file mode 100644
index 211ac15..0000000
--- a/frontend/src/ui/usePointerTap.ts
+++ /dev/null
@@ -1,94 +0,0 @@
-import { useCallback, useEffect, useRef } from 'react';
-import type { PointerEvent as ReactPointerEvent } from 'react';
-
-export interface PointerTapContext<T = unknown> {
-  clientX: number;
-  clientY: number;
-  pointerType: string;
-  event: PointerEventWithPersist;
-  data?: T;
-}
-
-type PointerEventWithPersist = (PointerEvent | ReactPointerEvent) & { persist?: () => void };
-
-type PointerTapFilter = (event?: PointerEventWithPersist | null) => boolean;
-
-export interface UsePointerTapOptions<T = unknown> {
-  onSingle?: (context: PointerTapContext<T>) => void;
-  onDouble?: (context: PointerTapContext<T>) => void;
-  delay?: number;
-  filter?: PointerTapFilter;
-}
-
-const defaultFilter: PointerTapFilter = (event) => {
-  if (!event) {
-    return false;
-  }
-  const { type, button, pointerType, isPrimary } = event;
-  const isPointerUp = type === 'pointerup';
-  const buttonValid =
-    button == null || button === 0 || (isPointerUp && (button === -1 || button === 0));
-  if (!buttonValid) {
-    return false;
-  }
-  if (pointerType === 'touch' && isPrimary === false) {
-    return false;
-  }
-  return true;
-};
-
-const usePointerTap = <T,>({
-  onSingle,
-  onDouble,
-  delay = 240,
-  filter = defaultFilter,
-}: UsePointerTapOptions<T> = {}) => {
-  const timerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
-
-  useEffect(
-    () => () => {
-      if (timerRef.current) {
-        clearTimeout(timerRef.current);
-        timerRef.current = null;
-      }
-    },
-    [],
-  );
-
-  return useCallback(
-    (event?: PointerEventWithPersist | null, metadata?: T) => {
-      if (!filter(event)) {
-        return;
-      }
-
-      if (!event) {
-        return;
-      }
-
-      event.persist?.();
-
-      const context: PointerTapContext<T> = {
-        clientX: event.clientX ?? 0,
-        clientY: event.clientY ?? 0,
-        pointerType: event.pointerType ?? 'mouse',
-        event,
-        data: metadata,
-      };
-
-      if (timerRef.current) {
-        clearTimeout(timerRef.current);
-        timerRef.current = null;
-        onDouble?.(context);
-        return;
-      }
-
-      timerRef.current = setTimeout(() => {
-        timerRef.current = null;
-        onSingle?.(context);
-      }, delay);
-    },
-    [delay, filter, onDouble, onSingle],
-  );
-};
-
-export default usePointerTap;
diff --git a/frontend/src/utils/colors.ts b/frontend/src/utils/colors.ts
index de6eb18..f5cc949 100644
--- a/frontend/src/utils/colors.ts
+++ b/frontend/src/utils/colors.ts
@@ -93,7 +93,7 @@ const srgbChannelToLinear = (value: number) => {
   return ((normalized + 0.055) / 1.055) ** 2.4;
 };
 
-export const hexToRgb = (input?: string): (RgbColor & { hex: string }) | null => {
+const hexToRgb = (input?: string): (RgbColor & { hex: string }) | null => {
   if (!input) return null;
   const match = HEX_COLOR_PATTERN.exec(input.trim());
   if (!match) return null;
@@ -163,7 +163,7 @@ const buildTagStyle = (backgroundHex: string) => {
   };
 };
 
-export const relativeLuminance = ({ r, g, b }: RgbColor): number => {
+const relativeLuminance = ({ r, g, b }: RgbColor): number => {
   const toLinear = (channel) => {
     const normalized = channel / 255;
     return normalized <= 0.03928
@@ -198,7 +198,7 @@ const contrastForPair = (backgroundHex: string, textHex: string): number => {
   return contrastRatio(relativeLuminance(background), relativeLuminance(text));
 };
 
-export const getReadableTextColor = (
+const getReadableTextColor = (
   hex: string,
   { light = '#1f1f1f', dark = '#ffffff', fallback = '#1f1f1f' }: { light?: string; dark?: string; fallback?: string } = {},
 ): string => {
diff --git a/frontend/src/utils/date.ts b/frontend/src/utils/date.ts
index ae09654..62ae8c3 100644
--- a/frontend/src/utils/date.ts
+++ b/frontend/src/utils/date.ts
@@ -51,13 +51,3 @@ export const toIssuedTimestamp = (dateString: string | null, fallback: string |
   candidate.setUTCFullYear(year, month - 1, day);
   return Number.isNaN(candidate.getTime()) ? null : candidate.toISOString();
 };
-
-export const parseDateValue = (value: string | Date | null): Date | null => ensureDate(value);
-
-export default {
-  formatDate,
-  formatDateTime,
-  toDateInputValue,
-  toIssuedTimestamp,
-  parseDateValue,
-};
diff --git a/frontend/src/utils/math.ts b/frontend/src/utils/math.ts
index 5432b90..da25cc9 100644
--- a/frontend/src/utils/math.ts
+++ b/frontend/src/utils/math.ts
@@ -7,19 +7,3 @@ export const clamp = (value: number, min: number, max: number): number => {
   }
   return value;
 };
-
-export const formatTransform = (
-  x: number,
-  y: number,
-  rotation = 0,
-  scale = 1,
-): string => `translate3d(${x}px, ${y}px, 0) rotate(${rotation}deg) scale(${scale})`;
-
-export const toNumber = (v: unknown, fallback = 0): number =>
-  Number.isFinite(Number(v)) ? Number(v) : fallback;
-
-export default {
-  clamp,
-  formatTransform,
-  toNumber,
-};
diff --git a/frontend/src/utils/ocr.ts b/frontend/src/utils/ocr.ts
index 89aaa64..fc24fa1 100644
--- a/frontend/src/utils/ocr.ts
+++ b/frontend/src/utils/ocr.ts
@@ -4,12 +4,9 @@ import type {
 } from '../asset_manager';
 import type {
   Document,
-  DocumentVersion,
 } from '../types/documents';
 import type { Asset } from '../types/assets';
 
-export type { Document, DocumentVersion, Asset };
-
 export type EnsurePreviewData = (id: string) => Promise<Document | null>;
 export type EnsureAssetUrl = (
   id: string,
@@ -32,7 +29,7 @@ const pickAsset = (doc?: Document | null, getDocumentAsset?: GetDocumentAsset):
   return getDocumentAsset(doc, 'text-content') || null;
 };
 
-export async function resolveTextContentUrl({
+async function resolveTextContentUrl({
   document,
   ensurePreviewData,
   getDocumentAsset,
diff --git a/frontend/src/utils/webauthn.ts b/frontend/src/utils/webauthn.ts
index f2aba51..2576ed9 100644
--- a/frontend/src/utils/webauthn.ts
+++ b/frontend/src/utils/webauthn.ts
@@ -43,7 +43,7 @@ const decodeBase64 = (value: string): string => window.atob(value);
 
 const encodeBase64 = (binary: string): string => window.btoa(binary);
 
-export const base64urlToUint8Array = (value?: string | null): Uint8Array => {
+const base64urlToUint8Array = (value?: string | null): Uint8Array => {
   const base64 = base64urlToBase64(value || '');
   const binary = decodeBase64(base64);
   const bytes = new Uint8Array(binary.length);
@@ -77,7 +77,7 @@ const toUint8Array = (input?: ArrayBuffer | ArrayBufferView | ArrayLike<number>
   return Uint8Array.from(input as ArrayLike<number>) as Uint8Array;
 };
 
-export const arrayBufferToBase64url = (
+const arrayBufferToBase64url = (
   buffer?: ArrayBuffer | ArrayBufferView | ArrayLike<number> | null,
 ): string => {
   const bytes = toUint8Array(buffer);
diff --git a/frontend/tests/ts-register.js b/frontend/tests/ts-register.js
deleted file mode 100644
index 81ae86f..0000000
--- a/frontend/tests/ts-register.js
+++ /dev/null
@@ -1,22 +0,0 @@
-const { readFileSync } = require('node:fs');
-const ts = require('typescript');
-
-const compilerOptions = {
-  module: ts.ModuleKind.CommonJS,
-  target: ts.ScriptTarget.ES2022,
-  jsx: ts.JsxEmit.ReactJSX,
-  esModuleInterop: true,
-};
-
-const compileTs = (module, filename) => {
-  const source = readFileSync(filename, 'utf8');
-  const { outputText } = ts.transpileModule(source, {
-    compilerOptions,
-    fileName: filename,
-    reportDiagnostics: false,
-  });
-  module._compile(outputText, filename);
-};
-
-require.extensions['.ts'] = compileTs;
-require.extensions['.tsx'] = compileTs;
diff --git a/frontend/tests/workspaceEngine.test.js b/frontend/tests/workspaceEngine.test.js
deleted file mode 100644
index 4732e75..0000000
--- a/frontend/tests/workspaceEngine.test.js
+++ /dev/null
@@ -1,72 +0,0 @@
-const test = require('node:test');
-const assert = require('node:assert/strict');
-require('./ts-register');
-
-const {
-  WorkspaceEngine,
-  DESK_CANVAS_PADDING,
-} = require('../src/desktop/workspaceEngine.ts');
-
-const makeEngine = () => {
-  const engine = new WorkspaceEngine();
-  engine.setEnsureDocumentSize(() => ({ width: 200, height: 200 }));
-  engine.setCanvasSize({ width: 1200, height: 800 });
-  return engine;
-};
-
-test('syncLayoutSnapshot clones from layout map', () => {
-  const engine = makeEngine();
-  engine.setItems([{ id: 'doc-1' }]);
-  engine.ensureLayoutForItems();
-  engine.syncLayoutSnapshot();
-
-  const firstSnapshot = engine.getSnapshot();
-  assert(firstSnapshot.layout instanceof Map);
-  assert(firstSnapshot.layout.get('doc-1'));
-
-  engine.layout.set('doc-1', {
-    centerX: DESK_CANVAS_PADDING + 150,
-    centerY: DESK_CANVAS_PADDING + 150,
-    rotation: 0,
-    width: 200,
-    height: 200,
-  });
-  engine.syncLayoutSnapshot();
-
-  const secondSnapshot = engine.getSnapshot();
-  assert.notStrictEqual(secondSnapshot.layout, engine.layout);
-  assert.equal(secondSnapshot.layout.get('doc-1').centerX, engine.layout.get('doc-1').centerX);
-});
-
-test('recalcVisibleDocIds respects viewport bounds', () => {
-  const engine = makeEngine();
-  engine.items = [{ id: 'visible' }, { id: 'hidden' }];
-  engine.setDocumentLookup(new Map([
-    ['visible', { id: 'visible' }],
-    ['hidden', { id: 'hidden' }],
-  ]));
-
-  engine.layout = new Map([
-    ['visible', {
-      centerX: DESK_CANVAS_PADDING + 150,
-      centerY: DESK_CANVAS_PADDING + 150,
-      rotation: 0,
-      width: 200,
-      height: 200,
-    }],
-    ['hidden', {
-      centerX: -500,
-      centerY: -500,
-      rotation: 0,
-      width: 200,
-      height: 200,
-    }],
-  ]);
-  engine.layoutSnapshot = new Map(engine.layout);
-
-  engine.recalcVisibleDocIds();
-
-  const snapshot = engine.getSnapshot();
-  assert(snapshot.visibleDocIds.has('visible'));
-  assert(!snapshot.visibleDocIds.has('hidden'));
-});