Add ability to upload and manage service images

Integrates Uppy.js for file uploads, adds new API endpoints for requesting upload URLs, and updates UI components to support image uploads.

lib/api-spec/openapi.yaml

@@ -26,6 +26,8 @@ tags:
     description: User management
   - name: stats
     description: Dashboard stats
+  - name: storage
+    description: Object storage upload and serving endpoints
 
 paths:
   /healthz:
@@ -234,6 +236,32 @@ paths:
         "204":
           description: Deleted
 
+  # Storage
+  /storage/uploads/request-url:
+    post:
+      operationId: requestUploadUrl
+      tags: [storage]
+      summary: Request a presigned URL for file upload
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/RequestUploadUrlBody"
+      responses:
+        "200":
+          description: Presigned upload URL generated
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/RequestUploadUrlResponse"
+        "400":
+          description: Invalid input
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/ErrorResponse"
+
   # Services
   /services:
     get:
@@ -1112,6 +1140,32 @@ components:
         - isRead
         - createdAt
 
+    RequestUploadUrlBody:
+      type: object
+      required: [name, size, contentType]
+      properties:
+        name:
+          type: string
+          minLength: 1
+        size:
+          type: integer
+          minimum: 1
+        contentType:
+          type: string
+          minLength: 1
+
+    RequestUploadUrlResponse:
+      type: object
+      required: [uploadURL, objectPath]
+      properties:
+        uploadURL:
+          type: string
+          format: uri
+        objectPath:
+          type: string
+        metadata:
+          $ref: "#/components/schemas/RequestUploadUrlBody"
+
     HomeStats:
       type: object
       properties: