test(bruno): Add API tests for Kobo, Koreader, OPDS, collections

- Add Kobo bookmark/markup sync tests
- Add Koreader progress/bookmark sync tests
- Add OPDS feed tests
- Add collection tests
- Add sync tests for book linking

bruno/kobo/bookmark-sync.bru

@@ -0,0 +1,30 @@
+meta {
+  name: "Kobo Bookmark Sync - Enhanced with ContentId Mapping"
+  type: http
+  seq: 3
+}
+
+post {
+  url: {{base_url}}/api/v1/kobo/bookmark
+  body: json({
+    "BookmarkSync": [
+      {
+        "BookmarkId": "bookmark_2",
+        "ContentId": "kobo_xyz789",
+        "BookmarkText": "Important note",
+        "BookmarkType": "bookmark",
+        "DateCreated": "2026-01-31T12:00:00Z"
+      }
+    ]
+  })
+  auth: {
+    type: bearer
+    bearer: {{device_token}}
+  }
+}
+
+assert {
+  response.status == 200
+  response.body.Status == "Success"
+  response.body.BookmarksSynced >= 0
+}

bruno/kobo/initialization.bru

@@ -0,0 +1,21 @@
+meta {
+  name: "Kobo Initialization - Enhanced with ContentId Mapping"
+  type: http
+  seq: 1
+}
+
+get {
+  url: {{base_url}}/api/v1/kobo/initialization
+  body: none
+  auth: {
+    type: bearer
+    bearer: {{device_token}}
+  }
+}
+
+assert {
+  response.status == 200
+  response.body.ContentId exists()
+  response.body.Categories exists()
+  response.body.BookmannUUID exists()
+}

bruno/kobo/markup-sync.bru

@@ -0,0 +1,41 @@
+meta {
+  name: "Kobo Markup Sync - Enhanced with ContentId Mapping"
+  type: http
+  seq: 2
+}
+
+post {
+  url: {{base_url}}/api/v1/kobo/markup
+  body: json({
+    "ReadingSync": [
+      {
+        "ContentId": "kobo_abc123def456",
+        "PercentRead": 60.0,
+        "RemainingTimeMin": 120,
+        "ReadingEvent": "BookRead",
+        "LastModified": "2026-01-31T12:00:00Z"
+      }
+    ],
+    "BookmarkSync": [
+      {
+        "BookmarkId": "bookmark_1",
+        "ContentId": "kobo_abc123def456",
+        "BookmarkText": "Great quote",
+        "BookmarkType": "annotation",
+        "DateCreated": "2026-01-31T12:00:00Z"
+      }
+    ],
+    "Metadata": true
+  })
+  auth: {
+    type: bearer
+    bearer: {{device_token}}
+  }
+}
+
+assert {
+  response.status == 200
+  response.body.Status == "Success" || response.body.Status == "Partial"
+  response.body.MarkupsSynced >= 0
+  response.body.BookmarksSynced >= 0
+}