feat(digital-signatures): simplify form, add TIFF support, subcategories, download options

- Remove 'initials' type, expirationDate, legalStatus, usageNotes fields
- Add subcategory field with creatable input + 6 default categories
- Add TIFF upload support with client-side utif2 decode for preview
- Store original TIFF data separately for faithful downloads
- Add download dropdown: Original file, Word (.docx), PDF (.pdf)
- Group assets by subcategory in list view
- Add subcategory filter in search bar
- Install docx, jspdf, utif2 packages
- Closes 3.07

package-lock.json

@@ -8,8 +8,11 @@
       "name": "architools",
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         "lucide-react": "^0.564.0",
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@@ -21,10 +24,10 @@
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         "tailwind-merge": "^3.4.1",
         "tesseract.js": "^7.0.0",
+        "utif2": "^4.1.0",
         "uuid": "^13.0.0"
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         "@types/jszip": "^3.4.0",
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-      "dev": true,
+      "devOptional": true,
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@@ -3605,7 +3607,7 @@
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-      "dev": true,
+      "devOptional": true,
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     "node_modules/@swc/helpers": {
@@ -4025,6 +4027,19 @@
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+      "license": "MIT"
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+    "node_modules/@types/raf": {
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+      "resolved": "https://registry.npmjs.org/@types/raf/-/raf-3.4.3.tgz",
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+      "license": "MIT",
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@@ -4054,6 +4069,13 @@
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+      "license": "MIT",
+      "optional": true
+    },
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@@ -5040,6 +5062,16 @@
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       "license": "MIT"
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+    "node_modules/base64-arraybuffer": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz",
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+      "license": "MIT",
+      "optional": true,
+      "engines": {
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@@ -5207,7 +5239,7 @@
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-      "dev": true,
+      "devOptional": true,
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@@ -5236,7 +5268,7 @@
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-      "dev": true,
+      "devOptional": true,
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@@ -5322,6 +5354,26 @@
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       "license": "CC-BY-4.0"
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+      "resolved": "https://registry.npmjs.org/canvg/-/canvg-3.0.11.tgz",
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+        "regenerator-runtime": "^0.13.7",
+        "rgbcolor": "^1.0.1",
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@@ -5620,6 +5672,18 @@
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+      "hasInstallScript": true,
+      "license": "MIT",
+      "optional": true,
+      "funding": {
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@@ -5686,6 +5750,16 @@
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+      "devOptional": true,
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@@ -5987,6 +6061,66 @@
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+      "dependencies": {
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+      "funding": [
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+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "license": "MIT",
+      "bin": {
+        "nanoid": "bin/nanoid.js"
+      },
+      "engines": {
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+    "node_modules/docx/node_modules/undici-types": {
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+    "node_modules/dompurify": {
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@@ -6973,6 +7107,23 @@
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+      "license": "MIT",
+      "dependencies": {
+        "@types/pako": "^2.0.3",
+        "iobuffer": "^5.3.2",
+        "pako": "^2.1.0"
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@@ -7042,6 +7193,12 @@
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+    "node_modules/fflate": {
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+      "license": "MIT"
+    },
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       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/figures/-/figures-6.1.0.tgz",
@@ -7423,7 +7580,7 @@
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-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "citty": "^0.1.6",
@@ -7587,6 +7744,16 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/hash.js": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
+      "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
+      "license": "MIT",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "minimalistic-assert": "^1.0.1"
+      }
+    },
     "node_modules/hasown": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
@@ -7634,6 +7801,20 @@
         "node": ">=16.9.0"
       }
     },
+    "node_modules/html2canvas": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz",
+      "integrity": "sha512-fPU6BHNpsyIhr8yyMpTLLxAbkaK8ArIBcmZIRiBLiDhjeqvXolaEmDGmELFuX9I4xDcaKKcJl+TKZLqruBbmWA==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "css-line-break": "^2.1.0",
+        "text-segmentation": "^1.0.3"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/http-errors": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-2.0.1.tgz",
@@ -7766,6 +7947,12 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/iobuffer": {
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/iobuffer/-/iobuffer-5.4.0.tgz",
+      "integrity": "sha512-DRebOWuqDvxunfkNJAlc3IzWIPD5xVxwUNbHr7xKB8E6aLJxIPfNX3CoMJghcFjpv6RWQsrcJbghtEwSPoJqMA==",
+      "license": "MIT"
+    },
     "node_modules/ip-address": {
       "version": "10.0.1",
       "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-10.0.1.tgz",
@@ -8444,7 +8631,7 @@
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       "integrity": "sha512-ekilCSN1jwRvIbgeg/57YFh8qQDNbwDb9xT/qu2DAHbFFZUicIl4ygVaAvzveMhMVr3LnpSKTNnwt8PoOfmKhQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "bin": {
         "jiti": "lib/jiti-cli.mjs"
@@ -8554,6 +8741,23 @@
         "graceful-fs": "^4.1.6"
       }
     },
+    "node_modules/jspdf": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/jspdf/-/jspdf-4.2.0.tgz",
+      "integrity": "sha512-hR/hnRevAXXlrjeqU5oahOE+Ln9ORJUB5brLHHqH67A+RBQZuFr5GkbI9XQI8OUFSEezKegsi45QRpc4bGj75Q==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.28.6",
+        "fast-png": "^6.2.0",
+        "fflate": "^0.8.1"
+      },
+      "optionalDependencies": {
+        "canvg": "^3.0.11",
+        "core-js": "^3.6.0",
+        "dompurify": "^3.3.1",
+        "html2canvas": "^1.0.0-rc.5"
+      }
+    },
     "node_modules/jsx-ast-utils": {
       "version": "3.3.5",
       "resolved": "https://registry.npmjs.org/jsx-ast-utils/-/jsx-ast-utils-3.3.5.tgz",
@@ -9140,6 +9344,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/minimalistic-assert": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
+      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
+      "license": "ISC"
+    },
     "node_modules/minimatch": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -9530,7 +9740,7 @@
       "version": "1.6.7",
       "resolved": "https://registry.npmjs.org/node-fetch-native/-/node-fetch-native-1.6.7.tgz",
       "integrity": "sha512-g9yhqoedzIUm0nTnTqAQvueMPVOuIY16bqgAJJC8XOOubYFNwz6IER9qs0Gq2Xd0+CecCKFjtdDTMA4u4xG06Q==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/node-releases": {
@@ -9574,7 +9784,7 @@
       "version": "0.6.5",
       "resolved": "https://registry.npmjs.org/nypm/-/nypm-0.6.5.tgz",
       "integrity": "sha512-K6AJy1GMVyfyMXRVB88700BJqNUkByijGJM8kEHpLdcAt+vSQAVfkWWHYzuRXHSY6xA2sNc5RjTj0p9rE2izVQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "citty": "^0.2.0",
@@ -9592,7 +9802,7 @@
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/citty/-/citty-0.2.1.tgz",
       "integrity": "sha512-kEV95lFBhQgtogAPlQfJJ0WGVSokvLr/UEoFPiKKOXF7pl98HfUVUD0ejsuTCld/9xH9vogSywZ5KqHzXrZpqg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/oauth": {
@@ -9747,7 +9957,7 @@
       "version": "2.0.11",
       "resolved": "https://registry.npmjs.org/ohash/-/ohash-2.0.11.tgz",
       "integrity": "sha512-RdR9FQrFwNBNXAr4GixM8YaRZRJ5PUWbKYbE5eOsrwAjJW0q2REGcf79oYPsLyskQCZG1PLN+S/K1V00joZAoQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/oidc-token-hash": {
@@ -10095,16 +10305,23 @@
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/pathe/-/pathe-2.0.3.tgz",
       "integrity": "sha512-WUjGcAqP1gQacoQe+OBJsFA7Ld4DyXuUIjZ5cc75cLHvJ7dtNsTugphxIADwspS+AraAUePCKrSVtPLFj/F88w==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/perfect-debounce": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/perfect-debounce/-/perfect-debounce-1.0.0.tgz",
       "integrity": "sha512-xCy9V055GLEqoFaHoC1SoLIaLmWctgCUaBaWxDZ7/Zx4CTyX7cJQLJOok/orfjZAh9kEYpjJa4d0KcJmCbctZA==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
+    "node_modules/performance-now": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
+      "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==",
+      "license": "MIT",
+      "optional": true
+    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -10138,7 +10355,7 @@
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/pkg-types/-/pkg-types-2.3.0.tgz",
       "integrity": "sha512-SIqCzDRg0s9npO5XQ3tNZioRY1uK06lA41ynBC1YmFTmnY6FjUjVt6s4LoADmwoig1qqD0oK8h1p/8mlMx8Oig==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "confbox": "^0.2.2",
@@ -10270,7 +10487,7 @@
       "version": "6.19.2",
       "resolved": "https://registry.npmjs.org/prisma/-/prisma-6.19.2.tgz",
       "integrity": "sha512-XTKeKxtQElcq3U9/jHyxSPgiRgeYDKxWTPOf6NkXA0dNj5j40MfEsZkMbyNpwDWCUv7YBFUl7I2VK/6ALbmhEg==",
-      "dev": true,
+      "devOptional": true,
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "peer": true,
@@ -10363,7 +10580,7 @@
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/pure-rand/-/pure-rand-6.1.0.tgz",
       "integrity": "sha512-bVWawvoZoBYpp6yIoQtQXHZjmz35RSVHnUOTefl8Vcjr8snTPY1wnpSPMWekcFwbxI6gtmT7rSYPFvz71ldiOA==",
-      "dev": true,
+      "devOptional": true,
       "funding": [
         {
           "type": "individual",
@@ -10508,6 +10725,16 @@
         }
       }
     },
+    "node_modules/raf": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/raf/-/raf-3.4.1.tgz",
+      "integrity": "sha512-Sq4CW4QhwOHE8ucn6J34MqtZCeWFP2aQSmrlroYgqAV1PjStIhJXxYuTgUIfkEk7zTLjmIjLmU5q+fbD1NnOJA==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "performance-now": "^2.1.0"
+      }
+    },
     "node_modules/range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -10538,7 +10765,7 @@
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/rc9/-/rc9-2.1.2.tgz",
       "integrity": "sha512-btXCnMmRIBINM2LDZoEmOogIZU7Qe7zn4BpomSKZ/ykbLObuBdvG+mFq11DL6fjH1DRwHhrlgtYWG96bJiC7Cg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "defu": "^6.1.4",
@@ -10669,7 +10896,7 @@
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-4.1.2.tgz",
       "integrity": "sha512-GDhwkLfywWL2s6vEjyhri+eXmfH6j1L7JE27WhqLeYzoh/A3DBaYGEj2H/HFZCn/kMfim73FXxEJTw06WtxQwg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">= 14.18.0"
@@ -10842,6 +11069,16 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/rgbcolor": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/rgbcolor/-/rgbcolor-1.0.1.tgz",
+      "integrity": "sha512-9aZLIrhRaD97sgVhtJOW6ckOEh6/GnvQtdVNfdZ6s67+3/XwLS9lBcQYzEEhYVeUowN7pRzMLsyGhK2i/xvWbw==",
+      "license": "MIT OR SEE LICENSE IN FEEL-FREE.md",
+      "optional": true,
+      "engines": {
+        "node": ">= 0.8.15"
+      }
+    },
     "node_modules/router": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/router/-/router-2.2.0.tgz",
@@ -11421,6 +11658,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/stackblur-canvas": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/stackblur-canvas/-/stackblur-canvas-2.7.0.tgz",
+      "integrity": "sha512-yf7OENo23AGJhBriGx0QivY5JP6Y1HbrrDI6WLt6C5auYZXlQrheoY8hD4ibekFKz1HOfE48Ww8kMWMnJD/zcQ==",
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">=0.1.14"
+      }
+    },
     "node_modules/statuses": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
@@ -11767,6 +12014,16 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/svg-pathdata": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/svg-pathdata/-/svg-pathdata-6.0.3.tgz",
+      "integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw==",
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
     "node_modules/tagged-tag": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/tagged-tag/-/tagged-tag-1.0.0.tgz",
@@ -11855,6 +12112,16 @@
         }
       }
     },
+    "node_modules/text-segmentation": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz",
+      "integrity": "sha512-iOiPUo/BGnZ6+54OsWxZidGCsdU8YbE4PSpdPinp7DeMtUJNJBoJ/ouUSTJjHkh1KntHaltHl/gDs2FC4i5+Nw==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "utrie": "^1.0.2"
+      }
+    },
     "node_modules/through2": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/through2/-/through2-4.0.2.tgz",
@@ -11889,7 +12156,7 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.0.2.tgz",
       "integrity": "sha512-W/KYk+NFhkmsYpuHq5JykngiOCnxeVL8v8dFnqxSD8qEEdRfXk1SDM6JzNqcERbcGYj9tMrDQBYV9cjgnunFIg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=18"
@@ -12198,7 +12465,7 @@
       "version": "5.9.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "peer": true,
       "bin": {
@@ -12430,6 +12697,15 @@
         "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
       }
     },
+    "node_modules/utif2": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/utif2/-/utif2-4.1.0.tgz",
+      "integrity": "sha512-+oknB9FHrJ7oW7A2WZYajOcv4FcDR4CfoGB0dPNfxbi4GO05RRnFmt5oa23+9w32EanrYcSJWspUiJkLMs+37w==",
+      "license": "MIT",
+      "dependencies": {
+        "pako": "^1.0.11"
+      }
+    },
     "node_modules/util": {
       "version": "0.12.5",
       "resolved": "https://registry.npmjs.org/util/-/util-0.12.5.tgz",
@@ -12449,6 +12725,16 @@
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
       "license": "MIT"
     },
+    "node_modules/utrie": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/utrie/-/utrie-1.0.2.tgz",
+      "integrity": "sha512-1MLa5ouZiOmQzUbjbu9VmjLzn1QLXBhwpUa7kdLUQK+KQ5KA9I1vk5U4YHe/X2Ch7PYnJfWuWT+VbuxbGwljhw==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "base64-arraybuffer": "^1.0.2"
+      }
+    },
     "node_modules/uuid": {
       "version": "13.0.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-13.0.0.tgz",
@@ -12724,6 +13010,24 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/xml": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/xml/-/xml-1.0.1.tgz",
+      "integrity": "sha512-huCv9IH9Tcf95zuYCsQraZtWnJvBtLVE0QHMOs8bWyZAFZNDcYjsPq1nEx8jKA9y+Beo9v+7OBPRisQTjinQMw==",
+      "license": "MIT"
+    },
+    "node_modules/xml-js": {
+      "version": "1.6.11",
+      "resolved": "https://registry.npmjs.org/xml-js/-/xml-js-1.6.11.tgz",
+      "integrity": "sha512-7rVi2KMfwfWFl+GpPg6m80IVMWXLRjO+PxTq7V2CDhoGak0wzYzFgUY2m4XJ47OGdXd8eLE8EmwfAmdjw7lC1g==",
+      "license": "MIT",
+      "dependencies": {
+        "sax": "^1.2.4"
+      },
+      "bin": {
+        "xml-js": "bin/cli.js"
+      }
+    },
     "node_modules/xml2js": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.6.2.tgz",

package.json

@@ -9,11 +9,13 @@
     "lint": "eslint"
   },
   "dependencies": {
+    "@prisma/client": "^6.19.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "docx": "^9.6.0",
+    "jspdf": "^4.2.0",
     "jszip": "^3.10.1",
     "lucide-react": "^0.564.0",
-    "@prisma/client": "^6.19.2",
     "minio": "^8.0.6",
     "next": "16.1.6",
     "next-auth": "^4.24.13",
@@ -23,6 +25,7 @@
     "react-dom": "19.2.3",
     "tailwind-merge": "^3.4.1",
     "tesseract.js": "^7.0.0",
+    "utif2": "^4.1.0",
     "uuid": "^13.0.0"
   },
   "devDependencies": {

src/modules/digital-signatures/hooks/use-signatures.ts

@@ -14,6 +14,7 @@ const PREFIX = "sig:";
 export interface SignatureFilters {
   search: string;
   type: SignatureAssetType | "all";
+  subcategory: string; // "" means all
 }
 
 export function useSignatures() {
@@ -23,6 +24,7 @@ export function useSignatures() {
   const [filters, setFilters] = useState<SignatureFilters>({
     search: "",
     type: "all",
+    subcategory: "",
   });
 
   const refresh = useCallback(async () => {
@@ -110,10 +112,14 @@ export function useSignatures() {
 
   const filteredAssets = assets.filter((a) => {
     if (filters.type !== "all" && a.type !== filters.type) return false;
+    if (filters.subcategory && a.subcategory !== filters.subcategory)
+      return false;
     if (filters.search) {
       const q = filters.search.toLowerCase();
       return (
-        a.label.toLowerCase().includes(q) || a.owner.toLowerCase().includes(q)
+        a.label.toLowerCase().includes(q) ||
+        a.owner.toLowerCase().includes(q) ||
+        a.subcategory.toLowerCase().includes(q)
       );
     }
     return true;

src/modules/digital-signatures/types.ts

@@ -1,7 +1,7 @@
-import type { Visibility } from '@/core/module-registry/types';
+import type { Visibility } from "@/core/module-registry/types";
-import type { CompanyId } from '@/core/auth/types';
+import type { CompanyId } from "@/core/auth/types";
 
-export type SignatureAssetType = 'signature' | 'stamp' | 'initials';
+export type SignatureAssetType = "signature" | "stamp";
 
 /** Version history entry */
 export interface AssetVersion {
@@ -11,19 +11,30 @@ export interface AssetVersion {
   createdAt: string;
 }
 
+/** Default subcategory options (users can add more) */
+export const DEFAULT_SUBCATEGORIES = [
+  "Colaboratori",
+  "Experți tehnici",
+  "Verificatori de proiect",
+  "Proiectanți",
+  "Diriginți de șantier",
+  "Responsabili tehnici",
+] as const;
+
 export interface SignatureAsset {
   id: string;
   label: string;
   type: SignatureAssetType;
+  /** Preview image data URL (PNG/JPG — browsers can render this) */
   imageUrl: string;
+  /** Original file data URL (for TIFF originals or same as imageUrl) */
+  originalFileData?: string;
+  /** Original file name for downloads */
+  originalFileName?: string;
   owner: string;
   company: CompanyId;
-  /** Expiration date (YYYY-MM-DD) */
+  /** Subcategory for grouping (e.g. "Colaboratori firma X") */
-  expirationDate?: string;
+  subcategory: string;
-  /** Legal status description */
-  legalStatus: string;
-  /** Usage notes */
-  usageNotes: string;
   /** Version history */
   versions: AssetVersion[];
   tags: string[];