Split software arch desc for easier manintenance. Many fixes related to next video playing and remote playback

src/lib/utils/tauriCommandParams.test.ts

@@ -123,6 +123,65 @@ describe("Tauri Command Parameter Names - Critical Pattern Test", () => {
       expect(Object.keys(params)).toContain("repositoryHandle");
       expect(Object.keys(params)).not.toContain("repository_handle");
     });
+
+    it("playlist_create: handle, name, itemIds (NOT item_ids)", () => {
+      const params = {
+        handle: "handle-123",
+        name: "My Playlist",
+        itemIds: ["track1", "track2"],
+      };
+
+      expect(Object.keys(params)).toContain("itemIds");
+      expect(Object.keys(params)).not.toContain("item_ids");
+    });
+
+    it("playlist_get_items: handle, playlistId (NOT playlist_id)", () => {
+      const params = {
+        handle: "handle-123",
+        playlistId: "pl-123",
+      };
+
+      expect(Object.keys(params)).toContain("playlistId");
+      expect(Object.keys(params)).not.toContain("playlist_id");
+    });
+
+    it("playlist_add_items: playlistId, itemIds", () => {
+      const params = {
+        handle: "handle-123",
+        playlistId: "pl-123",
+        itemIds: ["t1", "t2"],
+      };
+
+      expect(Object.keys(params)).toContain("playlistId");
+      expect(Object.keys(params)).toContain("itemIds");
+      expect(Object.keys(params)).not.toContain("playlist_id");
+      expect(Object.keys(params)).not.toContain("item_ids");
+    });
+
+    it("playlist_remove_items: playlistId, entryIds (NOT entry_ids)", () => {
+      const params = {
+        handle: "handle-123",
+        playlistId: "pl-123",
+        entryIds: ["e1", "e2"],
+      };
+
+      expect(Object.keys(params)).toContain("entryIds");
+      expect(Object.keys(params)).not.toContain("entry_ids");
+    });
+
+    it("playlist_move_item: playlistId, itemId, newIndex (NOT new_index)", () => {
+      const params = {
+        handle: "handle-123",
+        playlistId: "pl-123",
+        itemId: "track1",
+        newIndex: 2,
+      };
+
+      expect(Object.keys(params)).toContain("newIndex");
+      expect(Object.keys(params)).toContain("itemId");
+      expect(Object.keys(params)).not.toContain("new_index");
+      expect(Object.keys(params)).not.toContain("item_id");
+    });
   });
 
   describe("Nested struct fields also use camelCase (via serde rename_all)", () => {