feat: upload/recipe/job API routes + Klarbild visual identity

- api: /uploads (multipart, HEIC, 25MB guard, S3), /recipes (GET/POST),
  /jobs (create+snapshot+enqueue, list), /jobs/:id (status+items),
  /jobs/:id/:action (pause/resume/cancel/retry-failed), /items/:id/retry
- design: adopt Till mockup identity — Space Grotesk + Space Mono (self-hosted,
  no google/US), blue accent, paper/card, registration-mark motif; OKLCH tokens
- verified: astro build passes

package-lock.json

@@ -12,6 +12,8 @@
         "@astrojs/react": "^4.2.1",
         "@aws-sdk/client-s3": "^3.700.0",
         "@aws-sdk/s3-request-presigner": "^3.700.0",
+        "@fontsource/space-grotesk": "^5.1.0",
+        "@fontsource/space-mono": "^5.1.0",
         "archiver": "^7.0.1",
         "argon2": "^0.41.1",
         "astro": "^5.5.0",
@@ -1163,6 +1165,24 @@
         "node": ">=18"
       }
     },
+    "node_modules/@fontsource/space-grotesk": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/@fontsource/space-grotesk/-/space-grotesk-5.3.0.tgz",
+      "integrity": "sha512-ksnGizDPXIDuvqcTYTSrmZ+evx9sDlS8rp7+42BQ7wU+spt3twEoXfbJz672C+5CLg6VeUQwRy5RXshWb67LcQ==",
+      "license": "OFL-1.1",
+      "funding": {
+        "url": "https://github.com/sponsors/ayuhito"
+      }
+    },
+    "node_modules/@fontsource/space-mono": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/@fontsource/space-mono/-/space-mono-5.3.0.tgz",
+      "integrity": "sha512-FrpBMOVWn3PRdRHlrZWC55X3kZG/2BTH7SM5ZyS/bky3iKya2BturI5lk+t0RoDQL2JyHzURsVq/EisCsxpI5A==",
+      "license": "OFL-1.1",
+      "funding": {
+        "url": "https://github.com/sponsors/ayuhito"
+      }
+    },
     "node_modules/@grammyjs/types": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/@grammyjs/types/-/types-4.0.0.tgz",