feat(ui): add photo file handling in Vite config

* include new image assets in static/photos
* define __PHOTO_FILES__ for dynamic photo URLs
* update package.json and package-lock.json with @types/node

ui/package-lock.json

@@ -14,6 +14,7 @@
 				"@sveltejs/kit": "^2.63.0",
 				"@sveltejs/vite-plugin-svelte": "^7.1.2",
 				"@tailwindcss/vite": "^4.3.0",
+				"@types/node": "^26.2.0",
 				"svelte": "^5.56.1",
 				"svelte-check": "^4.6.0",
 				"tailwindcss": "^4.3.0",
@@ -867,6 +868,16 @@
 			"dev": true,
 			"license": "MIT"
 		},
+		"node_modules/@types/node": {
+			"version": "26.2.0",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-26.2.0.tgz",
+			"integrity": "sha512-5IviulTZeRNp2vAJ514cc/HUlY5nZ9fCbq9DMyC52BrhFZACo3nI0R7qBxhQmo/d27NFe96ur/b7Wwxklda+kg==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"undici-types": "~8.3.0"
+			}
+		},
 		"node_modules/@types/trusted-types": {
 			"version": "2.0.7",
 			"resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
@@ -2350,6 +2361,13 @@
 				"node": ">=14.17"
 			}
 		},
+		"node_modules/undici-types": {
+			"version": "8.3.0",
+			"resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+			"integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
+			"dev": true,
+			"license": "MIT"
+		},
 		"node_modules/uqr": {
 			"version": "0.1.3",
 			"resolved": "https://registry.npmjs.org/uqr/-/uqr-0.1.3.tgz",