feat: 学習カード数の上限を撤廃

REVIEW_CARDS_LIMIT（復習カード80枚制限）とnewCardsPerDay（1日の新規カード制限）
を削除し、期日が来たすべてのカードを制限なく返すように変更。

削除した主な要素:
- REVIEW_CARDS_LIMIT定数とカード取得時のlimitパラメータ
- newCardsPerDayフィールド（DB schema, 型定義, Zod schema, sync, CRDT）
- countDueNewCards, countDueReviewCards, findDueNewCardsForStudy,
  findDueReviewCardsForStudy（CardRepository）
- countTodayNewCardReviews（ReviewLogRepository）
- デッキルートからのReviewLogRepository依存

https://claude.ai/code/session_018hrEJ9vg3RPoeAPyEc17gS

45 files changed, 40 insertions, 536 deletions

diff --git a/src/client/atoms/decks.ts b/src/client/atoms/decks.ts
index 5a624cf..5a4d44e 100644
--- a/src/client/atoms/decks.ts
+++ b/src/client/atoms/decks.ts
@@ -6,7 +6,6 @@ export interface Deck {
 	id: string;
 	name: string;
 	description: string | null;
-	newCardsPerDay: number;
 	dueCardCount: number;
 	createdAt: string;
 	updatedAt: string;
diff --git a/src/client/components/CreateDeckModal.test.tsx b/src/client/components/CreateDeckModal.test.tsx
index cdc5f97..fcaa572 100644
--- a/src/client/components/CreateDeckModal.test.tsx
+++ b/src/client/components/CreateDeckModal.test.tsx
@@ -146,7 +146,6 @@ describe("CreateDeckModal", () => {
 						id: "deck-1",
 						name: "Test Deck",
 						description: null,
-						newCardsPerDay: 20,
 					},
 				}),
 			}),
@@ -187,7 +186,6 @@ describe("CreateDeckModal", () => {
 						id: "deck-1",
 						name: "Test Deck",
 						description: "A test description",
-						newCardsPerDay: 20,
 					},
 				}),
 			}),
diff --git a/src/client/components/EditDeckModal.test.tsx b/src/client/components/EditDeckModal.test.tsx
index fce17f6..b22cb1d 100644
--- a/src/client/components/EditDeckModal.test.tsx
+++ b/src/client/components/EditDeckModal.test.tsx
@@ -42,7 +42,6 @@ describe("EditDeckModal", () => {
 		id: "deck-123",
 		name: "Test Deck",
 		description: "Test description",
-		newCardsPerDay: 20,
 	};
 
 	const defaultProps = {
@@ -60,7 +59,6 @@ describe("EditDeckModal", () => {
 				id: "deck-123",
 				name: "Test Deck",
 				description: "Test description",
-				newCardsPerDay: 20,
 			},
 		});
 	});
diff --git a/src/client/components/EditDeckModal.tsx b/src/client/components/EditDeckModal.tsx
index 3babeb5..8e95295 100644
--- a/src/client/components/EditDeckModal.tsx
+++ b/src/client/components/EditDeckModal.tsx
@@ -5,7 +5,6 @@ interface Deck {
 	id: string;
 	name: string;
 	description: string | null;
-	newCardsPerDay: number;
 }
 
 interface EditDeckModalProps {
diff --git a/src/client/db/index.test.ts b/src/client/db/index.test.ts
index 0a4882d..0dd3758 100644
--- a/src/client/db/index.test.ts
+++ b/src/client/db/index.test.ts
@@ -64,7 +64,6 @@ describe("KiokuDatabase", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: "A test deck",
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01"),
 			updatedAt: new Date("2024-01-01"),
 			deletedAt: null,
diff --git a/src/client/db/index.ts b/src/client/db/index.ts
index 59cc526..50d8bbd 100644
--- a/src/client/db/index.ts
+++ b/src/client/db/index.ts
@@ -77,7 +77,6 @@ export interface LocalDeck {
 	userId: string;
 	name: string;
 	description: string | null;
-	newCardsPerDay: number;
 	createdAt: Date;
 	updatedAt: Date;
 	deletedAt: Date | null;
diff --git a/src/client/db/repositories.test.ts b/src/client/db/repositories.test.ts
index d591205..b461990 100644
--- a/src/client/db/repositories.test.ts
+++ b/src/client/db/repositories.test.ts
@@ -33,14 +33,12 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: "A test deck",
-				newCardsPerDay: 20,
 			});
 
 			expect(deck.id).toBeDefined();
 			expect(deck.userId).toBe("user-1");
 			expect(deck.name).toBe("Test Deck");
 			expect(deck.description).toBe("A test deck");
-			expect(deck.newCardsPerDay).toBe(20);
 			expect(deck.createdAt).toBeInstanceOf(Date);
 			expect(deck.updatedAt).toBeInstanceOf(Date);
 			expect(deck.deletedAt).toBeNull();
@@ -53,7 +51,6 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 10,
 			});
 
 			const found = await db.decks.get(created.id);
@@ -67,7 +64,6 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const found = await localDeckRepository.findById(created.id);
@@ -86,19 +82,16 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Deck 1",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.create({
 				userId: "user-1",
 				name: "Deck 2",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.create({
 				userId: "user-2",
 				name: "Other User Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const decks = await localDeckRepository.findByUserId("user-1");
@@ -111,7 +104,6 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Deleted Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.delete(deck.id);
 
@@ -126,7 +118,6 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Original Name",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const updated = await localDeckRepository.update(deck.id, {
@@ -156,7 +147,6 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const result = await localDeckRepository.delete(deck.id);
@@ -179,13 +169,11 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Unsynced",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			const deck2 = await localDeckRepository.create({
 				userId: "user-1",
 				name: "Synced",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck2.id, 1);
 
@@ -201,7 +189,6 @@ describe("localDeckRepository", () => {
 				userId: "user-1",
 				name: "Test",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			await localDeckRepository.markSynced(deck.id, 5);
@@ -225,7 +212,6 @@ describe("localCardRepository", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 		});
 		deckId = deck.id;
 	});
@@ -425,7 +411,6 @@ describe("localReviewLogRepository", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 		});
 		deckId = deck.id;
 
@@ -950,7 +935,6 @@ describe("localNoteRepository", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 		});
 		deckId = deck.id;
 
@@ -1110,7 +1094,6 @@ describe("localNoteFieldValueRepository", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 		});
 
 		const noteType = await localNoteTypeRepository.create({
diff --git a/src/client/db/repositories.ts b/src/client/db/repositories.ts
index 4c302bf..a0663e1 100644
--- a/src/client/db/repositories.ts
+++ b/src/client/db/repositories.ts
@@ -63,7 +63,7 @@ export const localDeckRepository = {
 	 */
 	async update(
 		id: string,
-		data: Partial<Pick<LocalDeck, "name" | "description" | "newCardsPerDay">>,
+		data: Partial<Pick<LocalDeck, "name" | "description">>,
 	): Promise<LocalDeck | undefined> {
 		const deck = await db.decks.get(id);
 		if (!deck) return undefined;
diff --git a/src/client/pages/DeckCardsPage.test.tsx b/src/client/pages/DeckCardsPage.test.tsx
index 7bc97fb..7c3c184 100644
--- a/src/client/pages/DeckCardsPage.test.tsx
+++ b/src/client/pages/DeckCardsPage.test.tsx
@@ -72,7 +72,6 @@ const mockDeck = {
 	id: "deck-1",
 	name: "Japanese Vocabulary",
 	description: "Common Japanese words",
-	newCardsPerDay: 20,
 	dueCardCount: 0,
 	createdAt: "2024-01-01T00:00:00Z",
 	updatedAt: "2024-01-01T00:00:00Z",
diff --git a/src/client/pages/DeckDetailPage.test.tsx b/src/client/pages/DeckDetailPage.test.tsx
index 3c741ad..9dcb152 100644
--- a/src/client/pages/DeckDetailPage.test.tsx
+++ b/src/client/pages/DeckDetailPage.test.tsx
@@ -59,7 +59,6 @@ const mockDeck = {
 	id: "deck-1",
 	name: "Japanese Vocabulary",
 	description: "Common Japanese words",
-	newCardsPerDay: 20,
 	dueCardCount: 0,
 	createdAt: "2024-01-01T00:00:00Z",
 	updatedAt: "2024-01-01T00:00:00Z",
diff --git a/src/client/pages/HomePage.test.tsx b/src/client/pages/HomePage.test.tsx
index 8b17506..179c649 100644
--- a/src/client/pages/HomePage.test.tsx
+++ b/src/client/pages/HomePage.test.tsx
@@ -92,7 +92,6 @@ const mockDecks = [
 		id: "deck-1",
 		name: "Japanese Vocabulary",
 		description: "Common Japanese words",
-		newCardsPerDay: 20,
 		dueCardCount: 5,
 		createdAt: "2024-01-01T00:00:00Z",
 		updatedAt: "2024-01-01T00:00:00Z",
@@ -101,7 +100,6 @@ const mockDecks = [
 		id: "deck-2",
 		name: "Spanish Verbs",
 		description: null,
-		newCardsPerDay: 10,
 		dueCardCount: 0,
 		createdAt: "2024-01-02T00:00:00Z",
 		updatedAt: "2024-01-02T00:00:00Z",
@@ -254,7 +252,6 @@ describe("HomePage", () => {
 			id: "deck-1",
 			name: "No Description Deck",
 			description: null,
-			newCardsPerDay: 20,
 			dueCardCount: 0,
 			createdAt: "2024-01-01T00:00:00Z",
 			updatedAt: "2024-01-01T00:00:00Z",
@@ -334,7 +331,6 @@ describe("HomePage", () => {
 				id: "deck-new",
 				name: "New Deck",
 				description: "A new deck",
-				newCardsPerDay: 20,
 				dueCardCount: 0,
 				createdAt: "2024-01-03T00:00:00Z",
 				updatedAt: "2024-01-03T00:00:00Z",
diff --git a/src/client/sync/conflict.test.ts b/src/client/sync/conflict.test.ts
index bcd8dae..d11e150 100644
--- a/src/client/sync/conflict.test.ts
+++ b/src/client/sync/conflict.test.ts
@@ -155,7 +155,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Local Name",
 				description: "Local description",
-				newCardsPerDay: 10,
 			});
 
 			const serverDeck = {
@@ -163,7 +162,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Server Name",
 				description: "Server description",
-				newCardsPerDay: 20,
 				createdAt: new Date("2024-01-01"),
 				updatedAt: new Date("2024-01-03"),
 				deletedAt: null,
@@ -178,7 +176,6 @@ describe("ConflictResolver", () => {
 			const updatedDeck = await localDeckRepository.findById(localDeck.id);
 			expect(updatedDeck?.name).toBe("Server Name");
 			expect(updatedDeck?.description).toBe("Server description");
-			expect(updatedDeck?.newCardsPerDay).toBe(20);
 			expect(updatedDeck?._synced).toBe(true);
 		});
 	});
@@ -189,7 +186,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const localCard = await localCardRepository.create({
@@ -240,13 +236,11 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Local Deck 1",
 				description: null,
-				newCardsPerDay: 10,
 			});
 			const deck2 = await localDeckRepository.create({
 				userId: "user-1",
 				name: "Local Deck 2",
 				description: null,
-				newCardsPerDay: 10,
 			});
 
 			const pushResult: SyncPushResult = {
@@ -273,7 +267,6 @@ describe("ConflictResolver", () => {
 						userId: "user-1",
 						name: "Server Deck 1",
 						description: null,
-						newCardsPerDay: 20,
 						createdAt: new Date(),
 						updatedAt: new Date(),
 						deletedAt: null,
@@ -284,7 +277,6 @@ describe("ConflictResolver", () => {
 						userId: "user-1",
 						name: "Server Deck 2",
 						description: null,
-						newCardsPerDay: 25,
 						createdAt: new Date(),
 						updatedAt: new Date(),
 						deletedAt: null,
@@ -314,7 +306,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const card = await localCardRepository.create({
@@ -397,7 +388,6 @@ describe("ConflictResolver", () => {
 						userId: "user-1",
 						name: "Server Deck",
 						description: null,
-						newCardsPerDay: 20,
 						createdAt: new Date(),
 						updatedAt: new Date(),
 						deletedAt: null,
@@ -425,7 +415,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Local Only Deck",
 				description: null,
-				newCardsPerDay: 10,
 			});
 
 			const pushResult: SyncPushResult = {
@@ -462,7 +451,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Local Name",
 				description: null,
-				newCardsPerDay: 10,
 			});
 
 			const pushResult: SyncPushResult = {
@@ -483,7 +471,6 @@ describe("ConflictResolver", () => {
 						userId: "user-1",
 						name: "Server Name",
 						description: null,
-						newCardsPerDay: 20,
 						createdAt: new Date(),
 						updatedAt: new Date(),
 						deletedAt: null,
@@ -514,7 +501,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Local Deck Name",
 				description: "Local description",
-				newCardsPerDay: 10,
 			});
 
 			// Store local CRDT document
@@ -532,7 +518,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Server Deck Name",
 				description: "Server description",
-				newCardsPerDay: 20,
 				createdAt: localDeck.createdAt,
 				updatedAt: new Date(Date.now() + 1000),
 				deletedAt: null,
@@ -590,7 +575,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Local Name",
 				description: null,
-				newCardsPerDay: 10,
 			});
 
 			const serverDeck = {
@@ -598,7 +582,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Server Name",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: new Date(),
 				updatedAt: new Date(),
 				deletedAt: null,
@@ -649,7 +632,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Local Name",
 				description: null,
-				newCardsPerDay: 10,
 			});
 
 			const serverDeck = {
@@ -657,7 +639,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Server Name",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: new Date(),
 				updatedAt: new Date(),
 				deletedAt: null,
@@ -699,7 +680,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Local Name",
 				description: null,
-				newCardsPerDay: 10,
 			});
 
 			const serverDeck = {
@@ -707,7 +687,6 @@ describe("ConflictResolver", () => {
 				userId: "user-1",
 				name: "Server Name",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: new Date(),
 				updatedAt: new Date(),
 				deletedAt: null,
diff --git a/src/client/sync/conflict.ts b/src/client/sync/conflict.ts
index 7ad0805..64287a1 100644
--- a/src/client/sync/conflict.ts
+++ b/src/client/sync/conflict.ts
@@ -67,7 +67,6 @@ function serverDeckToLocal(deck: ServerDeck): LocalDeck {
 		userId: deck.userId,
 		name: deck.name,
 		description: deck.description,
-		newCardsPerDay: deck.newCardsPerDay,
 		createdAt: new Date(deck.createdAt),
 		updatedAt: new Date(deck.updatedAt),
 		deletedAt: deck.deletedAt ? new Date(deck.deletedAt) : null,
diff --git a/src/client/sync/crdt/concurrent-edits.test.ts b/src/client/sync/crdt/concurrent-edits.test.ts
index 2b6f182..d55b233 100644
--- a/src/client/sync/crdt/concurrent-edits.test.ts
+++ b/src/client/sync/crdt/concurrent-edits.test.ts
@@ -34,7 +34,6 @@ function createTestDeck(overrides: Partial<LocalDeck> = {}): LocalDeck {
 		userId: "user-1",
 		name: "Test Deck",
 		description: null,
-		newCardsPerDay: 20,
 		createdAt: now,
 		updatedAt: now,
 		deletedAt: null,
@@ -89,10 +88,10 @@ describe("Concurrent edit scenarios", () => {
 				d.meta.lastModified = Date.now();
 			});
 
-			// Device B: Offline edit - change newCardsPerDay
+			// Device B: Offline edit - change description
 			const deviceBDoc = Automerge.clone(serverDoc);
 			const deviceBEdited = updateDocument(deviceBDoc, (d) => {
-				d.data.newCardsPerDay = 30;
+				d.data.description = "Updated by Device B";
 				d.meta.lastModified = Date.now();
 			});
 
@@ -101,7 +100,7 @@ describe("Concurrent edit scenarios", () => {
 
 			// Both changes should be present
 			expect(mergeResult.merged.data.name).toBe("Updated by Device A");
-			expect(mergeResult.merged.data.newCardsPerDay).toBe(30);
+			expect(mergeResult.merged.data.description).toBe("Updated by Device B");
 			expect(mergeResult.hasChanges).toBe(true);
 		});
 
@@ -120,7 +119,7 @@ describe("Concurrent edit scenarios", () => {
 
 			const deviceBDoc = Automerge.clone(serverDoc);
 			const deviceBEdited = updateDocument(deviceBDoc, (d) => {
-				d.data.newCardsPerDay = 50;
+				d.data.userId = "user-updated";
 				d.meta.lastModified = Date.now();
 			});
 
@@ -129,7 +128,7 @@ describe("Concurrent edit scenarios", () => {
 
 			expect(mergedDeck.name).toBe("New Name");
 			expect(mergedDeck.description).toBe("Added by Device A");
-			expect(mergedDeck.newCardsPerDay).toBe(50);
+			expect(mergedDeck.userId).toBe("user-updated");
 		});
 	});
 
@@ -342,7 +341,7 @@ describe("Concurrent edit scenarios", () => {
 
 			// Device B makes a different edit
 			const deviceBEdited = updateDocument(deviceBDoc, (d) => {
-				d.data.newCardsPerDay = 100;
+				d.data.description = "Description from B";
 				d.meta.lastModified = Date.now();
 			});
 
@@ -354,7 +353,7 @@ describe("Concurrent edit scenarios", () => {
 
 			// Both changes should be present
 			expect(serverWithB.data.name).toBe("Edit 1 from A");
-			expect(serverWithB.data.newCardsPerDay).toBe(100);
+			expect(serverWithB.data.description).toBe("Description from B");
 		});
 
 		it("should handle three-way merge correctly", () => {
@@ -377,7 +376,7 @@ describe("Concurrent edit scenarios", () => {
 			});
 
 			const deviceCEdited = updateDocument(deviceCDoc, (d) => {
-				d.data.newCardsPerDay = 75;
+				d.data.userId = "user-from-C";
 			});
 
 			// Sequential merge: A + B
@@ -389,7 +388,7 @@ describe("Concurrent edit scenarios", () => {
 			// All three changes should be present
 			expect(mergeABC.merged.data.name).toBe("Name from A");
 			expect(mergeABC.merged.data.description).toBe("Description from B");
-			expect(mergeABC.merged.data.newCardsPerDay).toBe(75);
+			expect(mergeABC.merged.data.userId).toBe("user-from-C");
 		});
 	});
 
@@ -575,7 +574,7 @@ describe("Concurrent edit scenarios", () => {
 			// Edit 3
 			const beforeEdit3 = Automerge.clone(deviceADoc);
 			deviceADoc = updateDocument(deviceADoc, (d) => {
-				d.data.newCardsPerDay = 42;
+				d.data.userId = "user-offline";
 			});
 			offlineEdits.push(getChanges(beforeEdit3, deviceADoc));
 
@@ -588,7 +587,7 @@ describe("Concurrent edit scenarios", () => {
 			// Verify all offline edits are applied
 			expect(currentServer.data.name).toBe("Offline edit 1");
 			expect(currentServer.data.description).toBe("Offline edit 2");
-			expect(currentServer.data.newCardsPerDay).toBe(42);
+			expect(currentServer.data.userId).toBe("user-offline");
 		});
 
 		it("should handle two devices syncing after extended offline periods", () => {
@@ -612,22 +611,22 @@ describe("Concurrent edit scenarios", () => {
 			// Device B: Different offline edits
 			let deviceBDoc = Automerge.clone(serverDoc);
 			deviceBDoc = updateDocument(deviceBDoc, (d) => {
-				d.data.newCardsPerDay = 50;
+				d.data.userId = "B: First user";
 			});
 			deviceBDoc = updateDocument(deviceBDoc, (d) => {
-				d.data.newCardsPerDay = 60;
+				d.data.userId = "B: Second user";
 			});
 			deviceBDoc = updateDocument(deviceBDoc, (d) => {
-				d.data.newCardsPerDay = 100;
+				d.data.userId = "B: Final user";
 			});
 
 			// Both devices come online and sync
 			const mergeResult = mergeDocuments(deviceADoc, deviceBDoc);
 
-			// Device A's content edits and Device B's card setting
+			// Device A's content edits and Device B's user edits
 			expect(mergeResult.merged.data.name).toBe("A: Final name");
 			expect(mergeResult.merged.data.description).toBe("A: Added description");
-			expect(mergeResult.merged.data.newCardsPerDay).toBe(100);
+			expect(mergeResult.merged.data.userId).toBe("B: Final user");
 		});
 	});
 });
diff --git a/src/client/sync/crdt/document-manager.test.ts b/src/client/sync/crdt/document-manager.test.ts
index 7c0fc00..b578c77 100644
--- a/src/client/sync/crdt/document-manager.test.ts
+++ b/src/client/sync/crdt/document-manager.test.ts
@@ -51,7 +51,6 @@ describe("createDocument", () => {
 				userId: "user-1",
 				name: "My Deck",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: Date.now(),
 				deletedAt: null,
 			},
@@ -154,7 +153,6 @@ describe("saveDocument and loadDocument", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: "A test deck",
-				newCardsPerDay: 15,
 				createdAt: 1234567890,
 				deletedAt: null,
 			},
@@ -168,7 +166,6 @@ describe("saveDocument and loadDocument", () => {
 		const loaded = loadDocument<CrdtDeckDocument>(binary);
 		expect(loaded.meta.entityId).toBe("deck-123");
 		expect(loaded.data.name).toBe("Test Deck");
-		expect(loaded.data.newCardsPerDay).toBe(15);
 	});
 });
 
@@ -195,7 +192,6 @@ describe("createEmptyDocument", () => {
 		expect(doc.meta.entityId).toBe("");
 		expect(doc.meta.deleted).toBe(false);
 		expect(doc.data.name).toBe("");
-		expect(doc.data.newCardsPerDay).toBe(20);
 	});
 
 	it("should create empty card document", () => {
@@ -226,7 +222,6 @@ describe("deckToCrdtDocument and crdtDocumentToDeck", () => {
 			userId: "user-1",
 			name: "My Deck",
 			description: "A deck for testing",
-			newCardsPerDay: 25,
 			createdAt: now,
 			updatedAt: now,
 			deletedAt: null,
@@ -240,7 +235,6 @@ describe("deckToCrdtDocument and crdtDocumentToDeck", () => {
 		expect(crdtDoc.meta.deleted).toBe(false);
 		expect(crdtDoc.data.name).toBe("My Deck");
 		expect(crdtDoc.data.description).toBe("A deck for testing");
-		expect(crdtDoc.data.newCardsPerDay).toBe(25);
 		expect(crdtDoc.data.createdAt).toBe(now.getTime());
 	});
 
@@ -252,7 +246,6 @@ describe("deckToCrdtDocument and crdtDocumentToDeck", () => {
 			userId: "user-1",
 			name: "Deleted Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: now,
 			updatedAt: deletedAt,
 			deletedAt: deletedAt,
@@ -278,7 +271,6 @@ describe("deckToCrdtDocument and crdtDocumentToDeck", () => {
 				userId: "user-2",
 				name: "Converted Deck",
 				description: "Converted from CRDT",
-				newCardsPerDay: 30,
 				createdAt: now - 10000,
 				deletedAt: null,
 			},
@@ -289,7 +281,6 @@ describe("deckToCrdtDocument and crdtDocumentToDeck", () => {
 		expect(localDeck.id).toBe("deck-3");
 		expect(localDeck.userId).toBe("user-2");
 		expect(localDeck.name).toBe("Converted Deck");
-		expect(localDeck.newCardsPerDay).toBe(30);
 		expect(localDeck.deletedAt).toBeNull();
 		expect(localDeck.syncVersion).toBe(0); // Set by sync layer
 	});
@@ -465,7 +456,6 @@ describe("createDocumentFromEntity", () => {
 			userId: "user-1",
 			name: "Test",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: now,
 			updatedAt: now,
 			deletedAt: null,
@@ -546,7 +536,6 @@ describe("getLastModified", () => {
 				userId: "user-1",
 				name: "Test",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: timestamp,
 				deletedAt: null,
 			},
@@ -569,7 +558,6 @@ describe("isDeleted", () => {
 				userId: "user-1",
 				name: "Test",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: Date.now(),
 				deletedAt: null,
 			},
@@ -590,7 +578,6 @@ describe("isDeleted", () => {
 				userId: "user-1",
 				name: "Test",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: Date.now(),
 				deletedAt: Date.now(),
 			},
diff --git a/src/client/sync/crdt/document-manager.ts b/src/client/sync/crdt/document-manager.ts
index 5c32b67..b753d88 100644
--- a/src/client/sync/crdt/document-manager.ts
+++ b/src/client/sync/crdt/document-manager.ts
@@ -187,7 +187,6 @@ function getEmptyDocumentData(
 					userId: "",
 					name: "",
 					description: null,
-					newCardsPerDay: 20,
 					createdAt: 0,
 					deletedAt: null,
 				},
@@ -301,7 +300,6 @@ export function deckToCrdtDocument(deck: LocalDeck): CrdtDeckDocument {
 			userId: deck.userId,
 			name: deck.name,
 			description: deck.description,
-			newCardsPerDay: deck.newCardsPerDay,
 			createdAt: deck.createdAt.getTime(),
 			deletedAt: deck.deletedAt?.getTime() ?? null,
 		},
@@ -319,7 +317,6 @@ export function crdtDocumentToDeck(
 		userId: doc.data.userId,
 		name: doc.data.name,
 		description: doc.data.description,
-		newCardsPerDay: doc.data.newCardsPerDay,
 		createdAt: new Date(doc.data.createdAt),
 		updatedAt: new Date(doc.meta.lastModified),
 		deletedAt: doc.data.deletedAt ? new Date(doc.data.deletedAt) : null,
diff --git a/src/client/sync/crdt/migration.test.ts b/src/client/sync/crdt/migration.test.ts
index 22f311d..ba90be2 100644
--- a/src/client/sync/crdt/migration.test.ts
+++ b/src/client/sync/crdt/migration.test.ts
@@ -109,7 +109,6 @@ describe("migration", () => {
 		userId: "user-1",
 		name: "Test Deck",
 		description: null,
-		newCardsPerDay: 20,
 		createdAt: new Date(),
 		updatedAt: new Date(),
 		deletedAt: null,
diff --git a/src/client/sync/crdt/repositories.test.ts b/src/client/sync/crdt/repositories.test.ts
index f237536..f7b75b3 100644
--- a/src/client/sync/crdt/repositories.test.ts
+++ b/src/client/sync/crdt/repositories.test.ts
@@ -35,7 +35,6 @@ describe("crdtDeckRepository", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: "A test deck",
-			newCardsPerDay: 20,
 			createdAt: now,
 			updatedAt: now,
 			deletedAt: null,
@@ -77,14 +76,14 @@ describe("crdtDeckRepository", () => {
 			d.data.name = "Updated Name";
 		});
 		const updated2 = Automerge.change(doc2, (d) => {
-			d.data.newCardsPerDay = 30;
+			d.data.description = "Updated Description";
 		});
 
 		const result = crdtDeckRepository.merge(updated1, updated2);
 
 		expect(result.hasChanges).toBe(true);
 		expect(result.merged.data.name).toBe("Updated Name");
-		expect(result.merged.data.newCardsPerDay).toBe(30);
+		expect(result.merged.data.description).toBe("Updated Description");
 	});
 
 	it("should convert CRDT document to local entity", () => {
@@ -379,7 +378,6 @@ describe("entitiesToCrdtDocuments", () => {
 				userId: "user-1",
 				name: "Deck 1",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: now,
 				updatedAt: now,
 				deletedAt: null,
@@ -391,7 +389,6 @@ describe("entitiesToCrdtDocuments", () => {
 				userId: "user-1",
 				name: "Deck 2",
 				description: "Second deck",
-				newCardsPerDay: 15,
 				createdAt: now,
 				updatedAt: now,
 				deletedAt: null,
@@ -418,7 +415,6 @@ describe("mergeAndConvert", () => {
 			userId: "user-1",
 			name: "Remote Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: now,
 			updatedAt: now,
 			deletedAt: null,
@@ -440,7 +436,6 @@ describe("mergeAndConvert", () => {
 			userId: "user-1",
 			name: "Original",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: now,
 			updatedAt: now,
 			deletedAt: null,
@@ -452,7 +447,7 @@ describe("mergeAndConvert", () => {
 
 		// Create remote with different changes
 		const remoteDoc = Automerge.change(Automerge.clone(localDoc), (d) => {
-			d.data.newCardsPerDay = 30;
+			d.data.description = "Remote Description";
 		});
 		const remoteBinary = saveDocument(remoteDoc);
 
@@ -471,7 +466,7 @@ describe("mergeAndConvert", () => {
 		expect(result.hasChanges).toBe(true);
 		// Both changes should be merged
 		expect(result.entity.name).toBe("Updated Local");
-		expect(result.entity.newCardsPerDay).toBe(30);
+		expect(result.entity.description).toBe("Remote Description");
 	});
 
 	it("should detect no changes when documents are identical", () => {
@@ -481,7 +476,6 @@ describe("mergeAndConvert", () => {
 			userId: "user-1",
 			name: "Same",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: now,
 			updatedAt: now,
 			deletedAt: null,
diff --git a/src/client/sync/crdt/types.test.ts b/src/client/sync/crdt/types.test.ts
index 15fd79b..07ae0f2 100644
--- a/src/client/sync/crdt/types.test.ts
+++ b/src/client/sync/crdt/types.test.ts
@@ -149,7 +149,6 @@ describe("CRDT Document type structures", () => {
 				userId: "user-1",
 				name: "My Deck",
 				description: "A test deck",
-				newCardsPerDay: 20,
 				createdAt: now,
 				deletedAt: null,
 			},
@@ -157,7 +156,6 @@ describe("CRDT Document type structures", () => {
 
 		expect(doc.meta.entityId).toBe("deck-1");
 		expect(doc.data.name).toBe("My Deck");
-		expect(doc.data.newCardsPerDay).toBe(20);
 	});
 
 	it("should allow creating a valid CrdtNoteTypeDocument", () => {
@@ -305,7 +303,6 @@ describe("CRDT Document type structures", () => {
 				userId: "user-1",
 				name: "Deleted Deck",
 				description: null,
-				newCardsPerDay: 20,
 				createdAt: now - 86400000,
 				deletedAt: now,
 			},
diff --git a/src/client/sync/crdt/types.ts b/src/client/sync/crdt/types.ts
index 1dfae1a..e2f5d4c 100644
--- a/src/client/sync/crdt/types.ts
+++ b/src/client/sync/crdt/types.ts
@@ -36,7 +36,6 @@ export interface CrdtDeckDocument {
 		userId: string;
 		name: string;
 		description: string | null;
-		newCardsPerDay: number;
 		createdAt: number; // Unix timestamp in ms
 		deletedAt: number | null;
 	};
diff --git a/src/client/sync/manager.test.ts b/src/client/sync/manager.test.ts
index 8af6e6f..a9be10d 100644
--- a/src/client/sync/manager.test.ts
+++ b/src/client/sync/manager.test.ts
@@ -83,7 +83,6 @@ describe("SyncManager", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 		});
 	}
 
@@ -412,7 +411,6 @@ describe("SyncManager", () => {
 						userId: "user-1",
 						name: "Server Deck",
 						description: null,
-						newCardsPerDay: 20,
 						createdAt: new Date(),
 						updatedAt: new Date(),
 						deletedAt: null,
diff --git a/src/client/sync/pull.test.ts b/src/client/sync/pull.test.ts
index 8bbf7cf..0f1b689 100644
--- a/src/client/sync/pull.test.ts
+++ b/src/client/sync/pull.test.ts
@@ -48,7 +48,6 @@ describe("pullResultToLocalData", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: "A description",
-				newCardsPerDay: 20,
 				createdAt: new Date("2024-01-01T10:00:00Z"),
 				updatedAt: new Date("2024-01-02T15:30:00Z"),
 				deletedAt: null,
@@ -69,7 +68,6 @@ describe("pullResultToLocalData", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: "A description",
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-02T15:30:00Z"),
 			deletedAt: null,
@@ -85,7 +83,6 @@ describe("pullResultToLocalData", () => {
 				userId: "user-1",
 				name: "Deleted Deck",
 				description: null,
-				newCardsPerDay: 10,
 				createdAt: new Date("2024-01-01T10:00:00Z"),
 				updatedAt: new Date("2024-01-03T12:00:00Z"),
 				deletedAt: new Date("2024-01-03T12:00:00Z"),
@@ -538,7 +535,6 @@ describe("PullService", () => {
 						userId: "user-1",
 						name: "Server Deck",
 						description: "From server",
-						newCardsPerDay: 15,
 						createdAt: new Date("2024-01-01T10:00:00Z"),
 						updatedAt: new Date("2024-01-02T10:00:00Z"),
 						deletedAt: null,
@@ -571,7 +567,6 @@ describe("PullService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -673,7 +668,6 @@ describe("PullService", () => {
 				userId: "user-1",
 				name: "Old Name",
 				description: null,
-				newCardsPerDay: 10,
 			});
 
 			const pullFromServer = vi.fn().mockResolvedValue({
@@ -683,7 +677,6 @@ describe("PullService", () => {
 						userId: "user-1",
 						name: "Updated Name",
 						description: "Updated description",
-						newCardsPerDay: 25,
 						createdAt: existingDeck.createdAt,
 						updatedAt: new Date(),
 						deletedAt: null,
@@ -705,7 +698,6 @@ describe("PullService", () => {
 			const updatedDeck = await localDeckRepository.findById(existingDeck.id);
 			expect(updatedDeck?.name).toBe("Updated Name");
 			expect(updatedDeck?.description).toBe("Updated description");
-			expect(updatedDeck?.newCardsPerDay).toBe(25);
 			expect(updatedDeck?._synced).toBe(true);
 		});
 
@@ -717,7 +709,6 @@ describe("PullService", () => {
 						userId: "user-1",
 						name: "Deck",
 						description: null,
-						newCardsPerDay: 20,
 						createdAt: new Date(),
 						updatedAt: new Date(),
 						deletedAt: null,
@@ -874,7 +865,6 @@ describe("PullService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -929,7 +919,6 @@ describe("PullService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -999,7 +988,6 @@ describe("PullService", () => {
 						userId: "user-1",
 						name: "Deck",
 						description: null,
-						newCardsPerDay: 20,
 						createdAt: new Date(),
 						updatedAt: new Date(),
 						deletedAt: null,
@@ -1179,7 +1167,6 @@ describe("applyCrdtChanges", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: "A test description",
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-02T15:30:00Z"),
 			deletedAt: null,
@@ -1212,7 +1199,6 @@ describe("applyCrdtChanges", () => {
 			userId: "user-1",
 			name: "Local Deck",
 			description: "Local description",
-			newCardsPerDay: 10,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-01T12:00:00Z"),
 			deletedAt: null,
@@ -1235,7 +1221,6 @@ describe("applyCrdtChanges", () => {
 			userId: "user-1",
 			name: "Remote Deck",
 			description: "Remote description",
-			newCardsPerDay: 25,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-02T15:30:00Z"), // Later timestamp
 			deletedAt: null,
@@ -1266,7 +1251,6 @@ describe("applyCrdtChanges", () => {
 			userId: "user-1",
 			name: "Deck 1",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-02T15:30:00Z"),
 			deletedAt: null,
@@ -1278,7 +1262,6 @@ describe("applyCrdtChanges", () => {
 			userId: "user-1",
 			name: "Deck 2",
 			description: "Second deck",
-			newCardsPerDay: 15,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-02T15:30:00Z"),
 			deletedAt: null,
@@ -1317,7 +1300,6 @@ describe("applyCrdtChanges", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-02T15:30:00Z"),
 			deletedAt: null,
@@ -1372,7 +1354,6 @@ describe("applyCrdtChanges", () => {
 			userId: "user-1",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-02T15:30:00Z"),
 			deletedAt: null,
@@ -1470,7 +1451,6 @@ describe("PullService with CRDT changes", () => {
 			userId: "user-1",
 			name: "CRDT Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T10:00:00Z"),
 			updatedAt: new Date("2024-01-02T15:30:00Z"),
 			deletedAt: null,
@@ -1521,7 +1501,6 @@ describe("PullService with CRDT changes", () => {
 					userId: "user-1",
 					name: "Test Deck",
 					description: null,
-					newCardsPerDay: 20,
 					createdAt: new Date(),
 					updatedAt: new Date(),
 					deletedAt: null,
@@ -1598,7 +1577,6 @@ describe("PullService with CRDT changes", () => {
 					userId: "user-1",
 					name: "Regular Deck",
 					description: null,
-					newCardsPerDay: 20,
 					createdAt: new Date(),
 					updatedAt: new Date(),
 					deletedAt: null,
diff --git a/src/client/sync/pull.ts b/src/client/sync/pull.ts
index 4771757..ce4d992 100644
--- a/src/client/sync/pull.ts
+++ b/src/client/sync/pull.ts
@@ -30,7 +30,6 @@ export interface ServerDeck {
 	userId: string;
 	name: string;
 	description: string | null;
-	newCardsPerDay: number;
 	createdAt: Date;
 	updatedAt: Date;
 	deletedAt: Date | null;
@@ -168,7 +167,6 @@ function serverDeckToLocal(deck: ServerDeck): LocalDeck {
 		userId: deck.userId,
 		name: deck.name,
 		description: deck.description,
-		newCardsPerDay: deck.newCardsPerDay,
 		createdAt: new Date(deck.createdAt),
 		updatedAt: new Date(deck.updatedAt),
 		deletedAt: deck.deletedAt ? new Date(deck.deletedAt) : null,
diff --git a/src/client/sync/push.test.ts b/src/client/sync/push.test.ts
index 19b39da..8605ede 100644
--- a/src/client/sync/push.test.ts
+++ b/src/client/sync/push.test.ts
@@ -81,7 +81,6 @@ describe("pendingChangesToPushData", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: "A description",
-				newCardsPerDay: 20,
 				createdAt: new Date("2024-01-01T10:00:00Z"),
 				updatedAt: new Date("2024-01-02T15:30:00Z"),
 				deletedAt: null,
@@ -102,7 +101,6 @@ describe("pendingChangesToPushData", () => {
 			id: "deck-1",
 			name: "Test Deck",
 			description: "A description",
-			newCardsPerDay: 20,
 			createdAt: "2024-01-01T10:00:00.000Z",
 			updatedAt: "2024-01-02T15:30:00.000Z",
 			deletedAt: null,
@@ -116,7 +114,6 @@ describe("pendingChangesToPushData", () => {
 				userId: "user-1",
 				name: "Deleted Deck",
 				description: null,
-				newCardsPerDay: 10,
 				createdAt: new Date("2024-01-01T10:00:00Z"),
 				updatedAt: new Date("2024-01-03T12:00:00Z"),
 				deletedAt: new Date("2024-01-03T12:00:00Z"),
@@ -530,7 +527,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const pushToServer = vi.fn().mockResolvedValue({
@@ -569,7 +565,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -616,7 +611,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -674,7 +668,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const pushToServer = vi.fn().mockResolvedValue({
@@ -702,7 +695,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const pushToServer = vi.fn().mockResolvedValue({
@@ -728,7 +720,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const pushToServer = vi
@@ -748,7 +739,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const card = await localCardRepository.create({
@@ -894,7 +884,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -942,7 +931,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -1006,7 +994,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const noteType = await localNoteTypeRepository.create({
@@ -1093,7 +1080,6 @@ describe("PushService", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const pushService = new PushService({
@@ -1116,7 +1102,6 @@ describe("generateCrdtChanges", () => {
 					userId: "user-1",
 					name: "Test Deck",
 					description: null,
-					newCardsPerDay: 20,
 					createdAt: new Date("2024-01-01T10:00:00Z"),
 					updatedAt: new Date("2024-01-02T15:30:00Z"),
 					deletedAt: null,
@@ -1354,7 +1339,6 @@ describe("generateCrdtChanges", () => {
 					userId: "user-1",
 					name: "Test Deck",
 					description: null,
-					newCardsPerDay: 20,
 					createdAt: new Date("2024-01-01T10:00:00Z"),
 					updatedAt: new Date("2024-01-02T15:30:00Z"),
 					deletedAt: null,
@@ -1496,7 +1480,6 @@ describe("pendingChangesToPushData with crdtChanges", () => {
 					userId: "user-1",
 					name: "Test Deck",
 					description: null,
-					newCardsPerDay: 20,
 					createdAt: new Date("2024-01-01T10:00:00Z"),
 					updatedAt: new Date("2024-01-02T15:30:00Z"),
 					deletedAt: null,
diff --git a/src/client/sync/push.ts b/src/client/sync/push.ts
index 61c7f30..e5c5fd4 100644
--- a/src/client/sync/push.ts
+++ b/src/client/sync/push.ts
@@ -39,7 +39,6 @@ export interface SyncDeckData {
 	id: string;
 	name: string;
 	description: string | null;
-	newCardsPerDay: number;
 	createdAt: string;
 	updatedAt: string;
 	deletedAt: string | null;
@@ -154,7 +153,6 @@ function deckToSyncData(deck: LocalDeck): SyncDeckData {
 		id: deck.id,
 		name: deck.name,
 		description: deck.description,
-		newCardsPerDay: deck.newCardsPerDay,
 		createdAt: deck.createdAt.toISOString(),
 		updatedAt: deck.updatedAt.toISOString(),
 		deletedAt: deck.deletedAt?.toISOString() ?? null,
diff --git a/src/client/sync/queue.test.ts b/src/client/sync/queue.test.ts
index e815282..436046b 100644
--- a/src/client/sync/queue.test.ts
+++ b/src/client/sync/queue.test.ts
@@ -68,7 +68,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const changes = await syncQueue.getPendingChanges();
@@ -81,7 +80,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localCardRepository.create({
 				deckId: deck.id,
@@ -101,7 +99,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			const card = await localCardRepository.create({
 				deckId: deck.id,
@@ -130,7 +127,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -145,7 +141,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localCardRepository.create({
 				deckId: deck.id,
@@ -179,7 +174,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			const hasPending = await syncQueue.hasPendingChanges();
@@ -304,7 +298,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 
 			await syncQueue.markSynced({
@@ -327,7 +320,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			const card = await localCardRepository.create({
 				deckId: deck.id,
@@ -357,7 +349,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			const card = await localCardRepository.create({
 				deckId: deck.id,
@@ -417,7 +408,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Server Deck",
 				description: null,
-				newCardsPerDay: 15,
 				createdAt: new Date(),
 				updatedAt: new Date(),
 				deletedAt: null,
@@ -445,7 +435,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			await localDeckRepository.markSynced(deck.id, 1);
 
@@ -492,7 +481,6 @@ describe("SyncQueue", () => {
 				userId: "user-1",
 				name: "Test Deck",
 				description: null,
-				newCardsPerDay: 20,
 			});
 			const card = await localCardRepository.create({
 				deckId: deck.id,
diff --git a/src/server/db/schema.ts b/src/server/db/schema.ts
index 50caf85..55be210 100644
--- a/src/server/db/schema.ts
+++ b/src/server/db/schema.ts
@@ -101,7 +101,6 @@ export const decks = pgTable("decks", {
 		.references(() => users.id),
 	name: varchar("name", { length: 255 }).notNull(),
 	description: text("description"),
-	newCardsPerDay: integer("new_cards_per_day").notNull().default(20),
 	createdAt: timestamp("created_at", { withTimezone: true })
 		.notNull()
 		.defaultNow(),
diff --git a/src/server/repositories/card.test.ts b/src/server/repositories/card.test.ts
index 21e5485..b492fd7 100644
--- a/src/server/repositories/card.test.ts
+++ b/src/server/repositories/card.test.ts
@@ -112,12 +112,8 @@ function createMockCardRepo(): CardRepository {
 		softDeleteByNoteId: vi.fn(),
 		findDueCards: vi.fn(),
 		countDueCards: vi.fn(),
-		countDueNewCards: vi.fn(),
-		countDueReviewCards: vi.fn(),
 		findDueCardsWithNoteData: vi.fn(),
 		findDueCardsForStudy: vi.fn(),
-		findDueNewCardsForStudy: vi.fn(),
-		findDueReviewCardsForStudy: vi.fn(),
 		updateFSRSFields: vi.fn(),
 	};
 }
diff --git a/src/server/repositories/card.ts b/src/server/repositories/card.ts
index d382f4d..0f1ef79 100644
--- a/src/server/repositories/card.ts
+++ b/src/server/repositories/card.ts
@@ -1,4 +1,4 @@
-import { and, eq, isNull, lt, ne, sql } from "drizzle-orm";
+import { and, eq, isNull, lt, sql } from "drizzle-orm";
 import { getEndOfStudyDayBoundary } from "../../shared/date.js";
 import { db } from "../db/index.js";
 import {
@@ -185,11 +185,7 @@ export const cardRepository: CardRepository = {
 		return result.length > 0;
 	},
 
-	async findDueCards(
-		deckId: string,
-		now: Date,
-		limit: number,
-	): Promise<Card[]> {
+	async findDueCards(deckId: string, now: Date): Promise<Card[]> {
 		const boundary = getEndOfStudyDayBoundary(now);
 		const result = await db
 			.select()
@@ -201,8 +197,7 @@ export const cardRepository: CardRepository = {
 					lt(cards.due, boundary),
 				),
 			)
-			.orderBy(cards.due)
-			.limit(limit);
+			.orderBy(cards.due);
 		return result;
 	},
 
@@ -221,44 +216,11 @@ export const cardRepository: CardRepository = {
 		return result[0]?.count ?? 0;
 	},
 
-	async countDueNewCards(deckId: string, now: Date): Promise<number> {
-		const boundary = getEndOfStudyDayBoundary(now);
-		const result = await db
-			.select({ count: sql<number>`count(*)::int` })
-			.from(cards)
-			.where(
-				and(
-					eq(cards.deckId, deckId),
-					isNull(cards.deletedAt),
-					lt(cards.due, boundary),
-					eq(cards.state, CardState.New),
-				),
-			);
-		return result[0]?.count ?? 0;
-	},
-
-	async countDueReviewCards(deckId: string, now: Date): Promise<number> {
-		const boundary = getEndOfStudyDayBoundary(now);
-		const result = await db
-			.select({ count: sql<number>`count(*)::int` })
-			.from(cards)
-			.where(
-				and(
-					eq(cards.deckId, deckId),
-					isNull(cards.deletedAt),
-					lt(cards.due, boundary),
-					ne(cards.state, CardState.New),
-				),
-			);
-		return result[0]?.count ?? 0;
-	},
-
 	async findDueCardsWithNoteData(
 		deckId: string,
 		now: Date,
-		limit: number,
 	): Promise<CardWithNoteData[]> {
-		const dueCards = await this.findDueCards(deckId, now, limit);
+		const dueCards = await this.findDueCards(deckId, now);
 
 		const cardsWithNoteData: CardWithNoteData[] = [];
 
@@ -292,56 +254,11 @@ export const cardRepository: CardRepository = {
 	async findDueCardsForStudy(
 		deckId: string,
 		now: Date,
-		limit: number,
 	): Promise<CardForStudy[]> {
-		const dueCards = await this.findDueCards(deckId, now, limit);
+		const dueCards = await this.findDueCards(deckId, now);
 		return enrichCardsForStudy(dueCards);
 	},
 
-	async findDueNewCardsForStudy(
-		deckId: string,
-		now: Date,
-		limit: number,
-	): Promise<CardForStudy[]> {
-		const boundary = getEndOfStudyDayBoundary(now);
-		const result = await db
-			.select()
-			.from(cards)
-			.where(
-				and(
-					eq(cards.deckId, deckId),
-					isNull(cards.deletedAt),
-					lt(cards.due, boundary),
-					eq(cards.state, CardState.New),
-				),
-			)
-			.orderBy(cards.due)
-			.limit(limit);
-		return enrichCardsForStudy(result);
-	},
-
-	async findDueReviewCardsForStudy(
-		deckId: string,
-		now: Date,
-		limit: number,
-	): Promise<CardForStudy[]> {
-		const boundary = getEndOfStudyDayBoundary(now);
-		const result = await db
-			.select()
-			.from(cards)
-			.where(
-				and(
-					eq(cards.deckId, deckId),
-					isNull(cards.deletedAt),
-					lt(cards.due, boundary),
-					ne(cards.state, CardState.New),
-				),
-			)
-			.orderBy(cards.due)
-			.limit(limit);
-		return enrichCardsForStudy(result);
-	},
-
 	async updateFSRSFields(
 		id: string,
 		deckId: string,
diff --git a/src/server/repositories/deck.test.ts b/src/server/repositories/deck.test.ts
index 945f844..ab6e2fc 100644
--- a/src/server/repositories/deck.test.ts
+++ b/src/server/repositories/deck.test.ts
@@ -7,7 +7,6 @@ function createMockDeck(overrides: Partial<Deck> = {}): Deck {
 		userId: "user-uuid-123",
 		name: "Test Deck",
 		description: null,
-		newCardsPerDay: 20,
 		createdAt: new Date("2024-01-01"),
 		updatedAt: new Date("2024-01-01"),
 		deletedAt: null,
@@ -35,7 +34,6 @@ describe("DeckRepository mock factory", () => {
 			expect(deck.userId).toBe("user-uuid-123");
 			expect(deck.name).toBe("Test Deck");
 			expect(deck.description).toBeNull();
-			expect(deck.newCardsPerDay).toBe(20);
 			expect(deck.deletedAt).toBeNull();
 			expect(deck.syncVersion).toBe(0);
 		});
@@ -45,13 +43,11 @@ describe("DeckRepository mock factory", () => {
 				id: "custom-id",
 				name: "Custom Deck",
 				description: "A description",
-				newCardsPerDay: 50,
 			});
 
 			expect(deck.id).toBe("custom-id");
 			expect(deck.name).toBe("Custom Deck");
 			expect(deck.description).toBe("A description");
-			expect(deck.newCardsPerDay).toBe(50);
 		});
 	});
 
@@ -130,7 +126,6 @@ describe("Deck interface contracts", () => {
 
 		expect(deck).toHaveProperty("name");
 		expect(deck).toHaveProperty("description");
-		expect(deck).toHaveProperty("newCardsPerDay");
 	});
 });
 
diff --git a/src/server/repositories/deck.ts b/src/server/repositories/deck.ts
index 647c5cb..97af5f7 100644
--- a/src/server/repositories/deck.ts
+++ b/src/server/repositories/deck.ts
@@ -31,7 +31,6 @@ export const deckRepository: DeckRepository = {
 		userId: string;
 		name: string;
 		description?: string | null;
-		newCardsPerDay?: number;
 	}): Promise<Deck> {
 		const [deck] = await db
 			.insert(decks)
@@ -39,7 +38,6 @@ export const deckRepository: DeckRepository = {
 				userId: data.userId,
 				name: data.name,
 				description: data.description ?? null,
-				newCardsPerDay: data.newCardsPerDay ?? 20,
 			})
 			.returning();
 		if (!deck) {
@@ -54,7 +52,6 @@ export const deckRepository: DeckRepository = {
 		data: {
 			name?: string;
 			description?: string | null;
-			newCardsPerDay?: number;
 		},
 	): Promise<Deck | undefined> {
 		const result = await db
diff --git a/src/server/repositories/review-log.ts b/src/server/repositories/review-log.ts
index 97488d2..c8950d6 100644
--- a/src/server/repositories/review-log.ts
+++ b/src/server/repositories/review-log.ts
@@ -1,7 +1,5 @@
-import { and, eq, gte, sql } from "drizzle-orm";
-import { getStartOfStudyDayBoundary } from "../../shared/date.js";
 import { db } from "../db/index.js";
-import { CardState, cards, reviewLogs } from "../db/schema.js";
+import { reviewLogs } from "../db/schema.js";
 import type { ReviewLog, ReviewLogRepository } from "./types.js";
 
 export const reviewLogRepository: ReviewLogRepository = {
@@ -31,21 +29,4 @@ export const reviewLogRepository: ReviewLogRepository = {
 		}
 		return reviewLog;
 	},
-
-	async countTodayNewCardReviews(deckId: string, now: Date): Promise<number> {
-		const startOfDay = getStartOfStudyDayBoundary(now);
-
-		const result = await db
-			.select({ count: sql<number>`count(distinct ${reviewLogs.cardId})::int` })
-			.from(reviewLogs)
-			.innerJoin(cards, eq(reviewLogs.cardId, cards.id))
-			.where(
-				and(
-					eq(cards.deckId, deckId),
-					eq(reviewLogs.state, CardState.New),
-					gte(reviewLogs.reviewedAt, startOfDay),
-				),
-			);
-		return result[0]?.count ?? 0;
-	},
 };
diff --git a/src/server/repositories/sync.test.ts b/src/server/repositories/sync.test.ts
index ce59cb5..8425839 100644
--- a/src/server/repositories/sync.test.ts
+++ b/src/server/repositories/sync.test.ts
@@ -16,7 +16,6 @@ function createMockDeck(overrides: Partial<Deck> = {}): Deck {
 		userId: "user-uuid-123",
 		name: "Test Deck",
 		description: null,
-		newCardsPerDay: 20,
 		createdAt: new Date("2024-01-01"),
 		updatedAt: new Date("2024-01-01"),
 		deletedAt: null,
diff --git a/src/server/repositories/sync.ts b/src/server/repositories/sync.ts
index ca4c208..e197d37 100644
--- a/src/server/repositories/sync.ts
+++ b/src/server/repositories/sync.ts
@@ -53,7 +53,6 @@ export interface SyncDeckData {
 	id: string;
 	name: string;
 	description: string | null;
-	newCardsPerDay: number;
 	createdAt: string;
 	updatedAt: string;
 	deletedAt: string | null;
@@ -224,7 +223,6 @@ export const syncRepository: SyncRepository = {
 						userId,
 						name: deckData.name,
 						description: deckData.description,
-						newCardsPerDay: deckData.newCardsPerDay,
 						createdAt: new Date(deckData.createdAt),
 						updatedAt: clientUpdatedAt,
 						deletedAt: deckData.deletedAt ? new Date(deckData.deletedAt) : null,
@@ -248,7 +246,6 @@ export const syncRepository: SyncRepository = {
 						.set({
 							name: deckData.name,
 							description: deckData.description,
-							newCardsPerDay: deckData.newCardsPerDay,
 							updatedAt: clientUpdatedAt,
 							deletedAt: deckData.deletedAt
 								? new Date(deckData.deletedAt)
diff --git a/src/server/repositories/types.ts b/src/server/repositories/types.ts
index 4042daf..71cb811 100644
--- a/src/server/repositories/types.ts
+++ b/src/server/repositories/types.ts
@@ -50,7 +50,6 @@ export interface Deck {
 	userId: string;
 	name: string;
 	description: string | null;
-	newCardsPerDay: number;
 	createdAt: Date;
 	updatedAt: Date;
 	deletedAt: Date | null;
@@ -64,7 +63,6 @@ export interface DeckRepository {
 		userId: string;
 		name: string;
 		description?: string | null;
-		newCardsPerDay?: number;
 	}): Promise<Deck>;
 	update(
 		id: string,
@@ -72,7 +70,6 @@ export interface DeckRepository {
 		data: {
 			name?: string;
 			description?: string | null;
-			newCardsPerDay?: number;
 		},
 	): Promise<Deck | undefined>;
 	softDelete(id: string, userId: string): Promise<boolean>;
@@ -146,30 +143,13 @@ export interface CardRepository {
 	): Promise<Card | undefined>;
 	softDelete(id: string, deckId: string): Promise<boolean>;
 	softDeleteByNoteId(noteId: string): Promise<boolean>;
-	findDueCards(deckId: string, now: Date, limit: number): Promise<Card[]>;
+	findDueCards(deckId: string, now: Date): Promise<Card[]>;
 	countDueCards(deckId: string, now: Date): Promise<number>;
 	findDueCardsWithNoteData(
 		deckId: string,
 		now: Date,
-		limit: number,
 	): Promise<CardWithNoteData[]>;
-	findDueCardsForStudy(
-		deckId: string,
-		now: Date,
-		limit: number,
-	): Promise<CardForStudy[]>;
-	findDueNewCardsForStudy(
-		deckId: string,
-		now: Date,
-		limit: number,
-	): Promise<CardForStudy[]>;
-	findDueReviewCardsForStudy(
-		deckId: string,
-		now: Date,
-		limit: number,
-	): Promise<CardForStudy[]>;
-	countDueNewCards(deckId: string, now: Date): Promise<number>;
-	countDueReviewCards(deckId: string, now: Date): Promise<number>;
+	findDueCardsForStudy(deckId: string, now: Date): Promise<CardForStudy[]>;
 	updateFSRSFields(
 		id: string,
 		deckId: string,
@@ -210,7 +190,6 @@ export interface ReviewLogRepository {
 		elapsedDays: number;
 		durationMs?: number | null;
 	}): Promise<ReviewLog>;
-	countTodayNewCardReviews(deckId: string, now: Date): Promise<number>;
 }
 
 export interface NoteType {
diff --git a/src/server/routes/cards.test.ts b/src/server/routes/cards.test.ts
index 4595e28..a063c95 100644
--- a/src/server/routes/cards.test.ts
+++ b/src/server/routes/cards.test.ts
@@ -26,12 +26,8 @@ function createMockCardRepo(): CardRepository {
 		softDeleteByNoteId: vi.fn(),
 		findDueCards: vi.fn(),
 		countDueCards: vi.fn(),
-		countDueNewCards: vi.fn(),
-		countDueReviewCards: vi.fn(),
 		findDueCardsWithNoteData: vi.fn(),
 		findDueCardsForStudy: vi.fn(),
-		findDueNewCardsForStudy: vi.fn(),
-		findDueReviewCardsForStudy: vi.fn(),
 		updateFSRSFields: vi.fn(),
 	};
 }
@@ -66,7 +62,6 @@ function createMockDeck(overrides: Partial<Deck> = {}): Deck {
 		userId: "user-uuid-123",
 		name: "Test Deck",
 		description: "Test description",
-		newCardsPerDay: 20,
 		createdAt: new Date("2024-01-01"),
 		updatedAt: new Date("2024-01-01"),
 		deletedAt: null,
diff --git a/src/server/routes/decks.test.ts b/src/server/routes/decks.test.ts
index d0854c1..f686024 100644
--- a/src/server/routes/decks.test.ts
+++ b/src/server/routes/decks.test.ts
@@ -6,7 +6,6 @@ import type {
 	CardRepository,
 	Deck,
 	DeckRepository,
-	ReviewLogRepository,
 } from "../repositories/index.js";
 import { createDecksRouter } from "./decks.js";
 
@@ -32,23 +31,12 @@ function createMockCardRepo(): CardRepository {
 		softDeleteByNoteId: vi.fn(),
 		findDueCards: vi.fn(),
 		countDueCards: vi.fn().mockResolvedValue(0),
-		countDueNewCards: vi.fn().mockResolvedValue(0),
-		countDueReviewCards: vi.fn().mockResolvedValue(0),
 		findDueCardsWithNoteData: vi.fn(),
 		findDueCardsForStudy: vi.fn(),
-		findDueNewCardsForStudy: vi.fn(),
-		findDueReviewCardsForStudy: vi.fn(),
 		updateFSRSFields: vi.fn(),
 	};
 }
 
-function createMockReviewLogRepo(): ReviewLogRepository {
-	return {
-		create: vi.fn(),
-		countTodayNewCardReviews: vi.fn().mockResolvedValue(0),
-	};
-}
-
 const JWT_SECRET = process.env.JWT_SECRET || "test-secret";
 
 async function createTestToken(userId: string): Promise<string> {
@@ -69,7 +57,6 @@ function createMockDeck(overrides: Partial<Deck> = {}): Deck {
 		userId: "user-uuid-123",
 		name: "Test Deck",
 		description: "Test description",
-		newCardsPerDay: 20,
 		createdAt: new Date("2024-01-01"),
 		updatedAt: new Date("2024-01-01"),
 		deletedAt: null,
@@ -92,18 +79,15 @@ describe("GET /api/decks", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
 	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
-	let mockReviewLogRepo: ReturnType<typeof createMockReviewLogRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
 		mockCardRepo = createMockCardRepo();
-		mockReviewLogRepo = createMockReviewLogRepo();
 		const decksRouter = createDecksRouter({
 			deckRepo: mockDeckRepo,
 			cardRepo: mockCardRepo,
-			reviewLogRepo: mockReviewLogRepo,
 		});
 		app = new Hono();
 		app.onError(errorHandler);
@@ -155,18 +139,15 @@ describe("POST /api/decks", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
 	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
-	let mockReviewLogRepo: ReturnType<typeof createMockReviewLogRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
 		mockCardRepo = createMockCardRepo();
-		mockReviewLogRepo = createMockReviewLogRepo();
 		const decksRouter = createDecksRouter({
 			deckRepo: mockDeckRepo,
 			cardRepo: mockCardRepo,
-			reviewLogRepo: mockReviewLogRepo,
 		});
 		app = new Hono();
 		app.onError(errorHandler);
@@ -194,7 +175,6 @@ describe("POST /api/decks", () => {
 			userId: "user-uuid-123",
 			name: "New Deck",
 			description: undefined,
-			newCardsPerDay: 20,
 		});
 	});
 
@@ -202,7 +182,6 @@ describe("POST /api/decks", () => {
 		const newDeck = createMockDeck({
 			name: "Full Deck",
 			description: "Full description",
-			newCardsPerDay: 30,
 		});
 		vi.mocked(mockDeckRepo.create).mockResolvedValue(newDeck);
 
@@ -215,7 +194,6 @@ describe("POST /api/decks", () => {
 			body: JSON.stringify({
 				name: "Full Deck",
 				description: "Full description",
-				newCardsPerDay: 30,
 			}),
 		});
 
@@ -226,7 +204,6 @@ describe("POST /api/decks", () => {
 			userId: "user-uuid-123",
 			name: "Full Deck",
 			description: "Full description",
-			newCardsPerDay: 30,
 		});
 	});
 
@@ -271,18 +248,15 @@ describe("GET /api/decks/:id", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
 	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
-	let mockReviewLogRepo: ReturnType<typeof createMockReviewLogRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
 		mockCardRepo = createMockCardRepo();
-		mockReviewLogRepo = createMockReviewLogRepo();
 		const decksRouter = createDecksRouter({
 			deckRepo: mockDeckRepo,
 			cardRepo: mockCardRepo,
-			reviewLogRepo: mockReviewLogRepo,
 		});
 		app = new Hono();
 		app.onError(errorHandler);
@@ -344,18 +318,15 @@ describe("PUT /api/decks/:id", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
 	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
-	let mockReviewLogRepo: ReturnType<typeof createMockReviewLogRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
 		mockCardRepo = createMockCardRepo();
-		mockReviewLogRepo = createMockReviewLogRepo();
 		const decksRouter = createDecksRouter({
 			deckRepo: mockDeckRepo,
 			cardRepo: mockCardRepo,
-			reviewLogRepo: mockReviewLogRepo,
 		});
 		app = new Hono();
 		app.onError(errorHandler);
@@ -405,27 +376,6 @@ describe("PUT /api/decks/:id", () => {
 		expect(body.deck?.description).toBe("New description");
 	});
 
-	it("updates newCardsPerDay", async () => {
-		const updatedDeck = createMockDeck({ newCardsPerDay: 50 });
-		vi.mocked(mockDeckRepo.update).mockResolvedValue(updatedDeck);
-
-		const res = await app.request(
-			"/api/decks/00000000-0000-0000-0000-000000000000",
-			{
-				method: "PUT",
-				headers: {
-					Authorization: `Bearer ${authToken}`,
-					"Content-Type": "application/json",
-				},
-				body: JSON.stringify({ newCardsPerDay: 50 }),
-			},
-		);
-
-		expect(res.status).toBe(200);
-		const body = (await res.json()) as DeckResponse;
-		expect(body.deck?.newCardsPerDay).toBe(50);
-	});
-
 	it("returns 404 for non-existent deck", async () => {
 		vi.mocked(mockDeckRepo.update).mockResolvedValue(undefined);
 
@@ -477,18 +427,15 @@ describe("DELETE /api/decks/:id", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
 	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
-	let mockReviewLogRepo: ReturnType<typeof createMockReviewLogRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
 		mockCardRepo = createMockCardRepo();
-		mockReviewLogRepo = createMockReviewLogRepo();
 		const decksRouter = createDecksRouter({
 			deckRepo: mockDeckRepo,
 			cardRepo: mockCardRepo,
-			reviewLogRepo: mockReviewLogRepo,
 		});
 		app = new Hono();
 		app.onError(errorHandler);
diff --git a/src/server/routes/decks.ts b/src/server/routes/decks.ts
index d73aa0c..ed7077e 100644
--- a/src/server/routes/decks.ts
+++ b/src/server/routes/decks.ts
@@ -7,25 +7,20 @@ import {
 	cardRepository,
 	type DeckRepository,
 	deckRepository,
-	type ReviewLogRepository,
-	reviewLogRepository,
 } from "../repositories/index.js";
 import { createDeckSchema, updateDeckSchema } from "../schemas/index.js";
 
 export interface DeckDependencies {
 	deckRepo: DeckRepository;
 	cardRepo: CardRepository;
-	reviewLogRepo: ReviewLogRepository;
 }
 
 const deckIdParamSchema = z.object({
 	id: z.uuid(),
 });
 
-const REVIEW_CARDS_LIMIT = 80;
-
 export function createDecksRouter(deps: DeckDependencies) {
-	const { deckRepo, cardRepo, reviewLogRepo } = deps;
+	const { deckRepo, cardRepo } = deps;
 
 	return new Hono()
 		.use("*", authMiddleware)
@@ -35,26 +30,7 @@ export function createDecksRouter(deps: DeckDependencies) {
 			const now = new Date();
 			const decksWithDueCount = await Promise.all(
 				decks.map(async (deck) => {
-					const [dueNewCards, dueReviewCards, reviewedNewCards] =
-						await Promise.all([
-							cardRepo.countDueNewCards(deck.id, now),
-							cardRepo.countDueReviewCards(deck.id, now),
-							reviewLogRepo.countTodayNewCardReviews(deck.id, now),
-						]);
-
-					// Apply the same limits as the study screen
-					const newCardBudget = Math.max(
-						0,
-						deck.newCardsPerDay - reviewedNewCards,
-					);
-					const newCardsToStudy = Math.min(dueNewCards, newCardBudget);
-					const reviewCardsToStudy = Math.min(
-						dueReviewCards,
-						REVIEW_CARDS_LIMIT,
-					);
-
-					const dueCardCount = newCardsToStudy + reviewCardsToStudy;
-
+					const dueCardCount = await cardRepo.countDueCards(deck.id, now);
 					return { ...deck, dueCardCount };
 				}),
 			);
@@ -68,7 +44,6 @@ export function createDecksRouter(deps: DeckDependencies) {
 				userId: user.id,
 				name: data.name,
 				description: data.description,
-				newCardsPerDay: data.newCardsPerDay,
 			});
 
 			return c.json({ deck }, 201);
@@ -83,18 +58,7 @@ export function createDecksRouter(deps: DeckDependencies) {
 			}
 
 			const now = new Date();
-			const [dueNewCards, dueReviewCards, reviewedNewCards] = await Promise.all(
-				[
-					cardRepo.countDueNewCards(deck.id, now),
-					cardRepo.countDueReviewCards(deck.id, now),
-					reviewLogRepo.countTodayNewCardReviews(deck.id, now),
-				],
-			);
-
-			const newCardBudget = Math.max(0, deck.newCardsPerDay - reviewedNewCards);
-			const newCardsToStudy = Math.min(dueNewCards, newCardBudget);
-			const reviewCardsToStudy = Math.min(dueReviewCards, REVIEW_CARDS_LIMIT);
-			const dueCardCount = newCardsToStudy + reviewCardsToStudy;
+			const dueCardCount = await cardRepo.countDueCards(deck.id, now);
 
 			return c.json({ deck: { ...deck, dueCardCount } }, 200);
 		})
@@ -131,5 +95,4 @@ export function createDecksRouter(deps: DeckDependencies) {
 export const decks = createDecksRouter({
 	deckRepo: deckRepository,
 	cardRepo: cardRepository,
-	reviewLogRepo: reviewLogRepository,
 });
diff --git a/src/server/routes/notes.test.ts b/src/server/routes/notes.test.ts
index e354fa6..116a57f 100644
--- a/src/server/routes/notes.test.ts
+++ b/src/server/routes/notes.test.ts
@@ -57,7 +57,6 @@ function createMockDeck(overrides: Partial<Deck> = {}): Deck {
 		userId: "user-uuid-123",
 		name: "Test Deck",
 		description: "Test description",
-		newCardsPerDay: 20,
 		createdAt: new Date("2024-01-01"),
 		updatedAt: new Date("2024-01-01"),
 		deletedAt: null,
diff --git a/src/server/routes/study.test.ts b/src/server/routes/study.test.ts
index 514d966..119b25d 100644
--- a/src/server/routes/study.test.ts
+++ b/src/server/routes/study.test.ts
@@ -26,12 +26,8 @@ function createMockCardRepo(): CardRepository {
 		softDeleteByNoteId: vi.fn(),
 		findDueCards: vi.fn(),
 		countDueCards: vi.fn(),
-		countDueNewCards: vi.fn(),
-		countDueReviewCards: vi.fn(),
 		findDueCardsWithNoteData: vi.fn(),
 		findDueCardsForStudy: vi.fn(),
-		findDueNewCardsForStudy: vi.fn(),
-		findDueReviewCardsForStudy: vi.fn(),
 		updateFSRSFields: vi.fn(),
 	};
 }
@@ -49,7 +45,6 @@ function createMockDeckRepo(): DeckRepository {
 function createMockReviewLogRepo(): ReviewLogRepository {
 	return {
 		create: vi.fn(),
-		countTodayNewCardReviews: vi.fn().mockResolvedValue(0),
 	};
 }
 
@@ -73,7 +68,6 @@ function createMockDeck(overrides: Partial<Deck> = {}): Deck {
 		userId: "user-uuid-123",
 		name: "Test Deck",
 		description: "Test description",
-		newCardsPerDay: 20,
 		createdAt: new Date("2024-01-01"),
 		updatedAt: new Date("2024-01-01"),
 		deletedAt: null,
@@ -152,14 +146,13 @@ describe("GET /api/decks/:deckId/study", () => {
 	let app: Hono;
 	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
-	let mockReviewLogRepo: ReturnType<typeof createMockReviewLogRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockCardRepo = createMockCardRepo();
 		mockDeckRepo = createMockDeckRepo();
-		mockReviewLogRepo = createMockReviewLogRepo();
+		const mockReviewLogRepo = createMockReviewLogRepo();
 		const studyRouter = createStudyRouter({
 			cardRepo: mockCardRepo,
 			deckRepo: mockDeckRepo,
@@ -175,8 +168,7 @@ describe("GET /api/decks/:deckId/study", () => {
 		vi.mocked(mockDeckRepo.findById).mockResolvedValue(
 			createMockDeck({ id: DECK_ID }),
 		);
-		vi.mocked(mockCardRepo.findDueNewCardsForStudy).mockResolvedValue([]);
-		vi.mocked(mockCardRepo.findDueReviewCardsForStudy).mockResolvedValue([]);
+		vi.mocked(mockCardRepo.findDueCardsForStudy).mockResolvedValue([]);
 
 		const res = await app.request(`/api/decks/${DECK_ID}/study`, {
 			method: "GET",
@@ -190,20 +182,14 @@ describe("GET /api/decks/:deckId/study", () => {
 			DECK_ID,
 			"user-uuid-123",
 		);
-		expect(mockCardRepo.findDueNewCardsForStudy).toHaveBeenCalledWith(
-			DECK_ID,
-			expect.any(Date),
-			20,
-		);
-		expect(mockCardRepo.findDueReviewCardsForStudy).toHaveBeenCalledWith(
+		expect(mockCardRepo.findDueCardsForStudy).toHaveBeenCalledWith(
 			DECK_ID,
 			expect.any(Date),
-			80,
 		);
 	});
 
 	it("returns due cards", async () => {
-		const newCards = [
+		const mockCards = [
 			createMockCardForStudy({
 				id: "card-1",
 				front: "Q1",
@@ -211,8 +197,6 @@ describe("GET /api/decks/:deckId/study", () => {
 				state: CardState.New,
 				fieldValuesMap: {},
 			}),
-		];
-		const reviewCards = [
 			createMockCardForStudy({
 				id: "card-2",
 				front: "Q2",
@@ -224,10 +208,7 @@ describe("GET /api/decks/:deckId/study", () => {
 		vi.mocked(mockDeckRepo.findById).mockResolvedValue(
 			createMockDeck({ id: DECK_ID }),
 		);
-		vi.mocked(mockCardRepo.findDueNewCardsForStudy).mockResolvedValue(newCards);
-		vi.mocked(mockCardRepo.findDueReviewCardsForStudy).mockResolvedValue(
-			reviewCards,
-		);
+		vi.mocked(mockCardRepo.findDueCardsForStudy).mockResolvedValue(mockCards);
 
 		const res = await app.request(`/api/decks/${DECK_ID}/study`, {
 			method: "GET",
@@ -259,10 +240,7 @@ describe("GET /api/decks/:deckId/study", () => {
 		vi.mocked(mockDeckRepo.findById).mockResolvedValue(
 			createMockDeck({ id: DECK_ID }),
 		);
-		vi.mocked(mockCardRepo.findDueNewCardsForStudy).mockResolvedValue(
-			mockCards,
-		);
-		vi.mocked(mockCardRepo.findDueReviewCardsForStudy).mockResolvedValue([]);
+		vi.mocked(mockCardRepo.findDueCardsForStudy).mockResolvedValue(mockCards);
 
 		const res = await app.request(`/api/decks/${DECK_ID}/study`, {
 			method: "GET",
@@ -276,81 +254,6 @@ describe("GET /api/decks/:deckId/study", () => {
 		expect(body.cards?.[0]?.fieldValuesMap?.Front).toBe("Question");
 	});
 
-	it("limits new cards based on newCardsPerDay", async () => {
-		vi.mocked(mockDeckRepo.findById).mockResolvedValue(
-			createMockDeck({ id: DECK_ID, newCardsPerDay: 5 }),
-		);
-		vi.mocked(mockReviewLogRepo.countTodayNewCardReviews).mockResolvedValue(3);
-		vi.mocked(mockCardRepo.findDueNewCardsForStudy).mockResolvedValue([]);
-		vi.mocked(mockCardRepo.findDueReviewCardsForStudy).mockResolvedValue([]);
-
-		await app.request(`/api/decks/${DECK_ID}/study`, {
-			method: "GET",
-			headers: { Authorization: `Bearer ${authToken}` },
-		});
-
-		expect(mockCardRepo.findDueNewCardsForStudy).toHaveBeenCalledWith(
-			DECK_ID,
-			expect.any(Date),
-			2,
-		);
-	});
-
-	it("returns 0 new cards when daily limit is reached", async () => {
-		vi.mocked(mockDeckRepo.findById).mockResolvedValue(
-			createMockDeck({ id: DECK_ID, newCardsPerDay: 5 }),
-		);
-		vi.mocked(mockReviewLogRepo.countTodayNewCardReviews).mockResolvedValue(5);
-		vi.mocked(mockCardRepo.findDueNewCardsForStudy).mockResolvedValue([]);
-		vi.mocked(mockCardRepo.findDueReviewCardsForStudy).mockResolvedValue([]);
-
-		await app.request(`/api/decks/${DECK_ID}/study`, {
-			method: "GET",
-			headers: { Authorization: `Bearer ${authToken}` },
-		});
-
-		expect(mockCardRepo.findDueNewCardsForStudy).toHaveBeenCalledWith(
-			DECK_ID,
-			expect.any(Date),
-			0,
-		);
-	});
-
-	it("places new cards before review cards in response", async () => {
-		const newCards = [
-			createMockCardForStudy({
-				id: "new-1",
-				state: CardState.New,
-				fieldValuesMap: {},
-			}),
-		];
-		const reviewCards = [
-			createMockCardForStudy({
-				id: "review-1",
-				state: CardState.Review,
-				fieldValuesMap: {},
-			}),
-		];
-		vi.mocked(mockDeckRepo.findById).mockResolvedValue(
-			createMockDeck({ id: DECK_ID }),
-		);
-		vi.mocked(mockCardRepo.findDueNewCardsForStudy).mockResolvedValue(newCards);
-		vi.mocked(mockCardRepo.findDueReviewCardsForStudy).mockResolvedValue(
-			reviewCards,
-		);
-
-		const res = await app.request(`/api/decks/${DECK_ID}/study`, {
-			method: "GET",
-			headers: { Authorization: `Bearer ${authToken}` },
-		});
-
-		expect(res.status).toBe(200);
-		const body = (await res.json()) as StudyResponse;
-		expect(body.cards).toHaveLength(2);
-		expect(body.cards?.[0]?.id).toBe("new-1");
-		expect(body.cards?.[1]?.id).toBe("review-1");
-	});
-
 	it("returns 404 for non-existent deck", async () => {
 		vi.mocked(mockDeckRepo.findById).mockResolvedValue(undefined);
 
diff --git a/src/server/routes/study.ts b/src/server/routes/study.ts
index d05f3ca..0f42f93 100644
--- a/src/server/routes/study.ts
+++ b/src/server/routes/study.ts
@@ -52,20 +52,9 @@ export function createStudyRouter(deps: StudyDependencies) {
 
 			const now = new Date();
 
-			// Calculate new card budget based on today's already-reviewed new cards
-			const reviewedNewCards = await reviewLogRepo.countTodayNewCardReviews(
-				deckId,
-				now,
-			);
-			const newCardBudget = Math.max(0, deck.newCardsPerDay - reviewedNewCards);
+			const cards = await cardRepo.findDueCardsForStudy(deckId, now);
 
-			// Fetch new cards (limited) and review cards separately
-			const [newCards, reviewCards] = await Promise.all([
-				cardRepo.findDueNewCardsForStudy(deckId, now, newCardBudget),
-				cardRepo.findDueReviewCardsForStudy(deckId, now, 80),
-			]);
-
-			return c.json({ cards: [...newCards, ...reviewCards] }, 200);
+			return c.json({ cards }, 200);
 		})
 		.post(
 			"/:cardId",
diff --git a/src/server/routes/sync.test.ts b/src/server/routes/sync.test.ts
index 8ea2ce3..4c0d8d8 100644
--- a/src/server/routes/sync.test.ts
+++ b/src/server/routes/sync.test.ts
@@ -143,7 +143,6 @@ describe("POST /api/sync/push", () => {
 			id: "550e8400-e29b-41d4-a716-446655440000",
 			name: "Test Deck",
 			description: "A test deck",
-			newCardsPerDay: 20,
 			createdAt: "2024-01-01T00:00:00.000Z",
 			updatedAt: "2024-01-02T00:00:00.000Z",
 			deletedAt: null,
@@ -302,7 +301,6 @@ describe("POST /api/sync/push", () => {
 			id: "550e8400-e29b-41d4-a716-446655440003",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: "2024-01-01T00:00:00.000Z",
 			updatedAt: "2024-01-02T00:00:00.000Z",
 			deletedAt: null,
@@ -349,7 +347,6 @@ describe("POST /api/sync/push", () => {
 			id: "not-a-uuid",
 			name: "",
 			description: null,
-			newCardsPerDay: -1,
 			createdAt: "invalid-date",
 			updatedAt: "2024-01-01T00:00:00.000Z",
 			deletedAt: null,
@@ -432,7 +429,6 @@ describe("POST /api/sync/push", () => {
 			id: "550e8400-e29b-41d4-a716-446655440004",
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: "2024-01-01T00:00:00.000Z",
 			updatedAt: "2024-01-01T00:00:00.000Z",
 			deletedAt: null,
@@ -634,7 +630,6 @@ describe("POST /api/sync/push", () => {
 			id: "550e8400-e29b-41d4-a716-446655440007",
 			name: "Deleted Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: "2024-01-01T00:00:00.000Z",
 			updatedAt: "2024-01-02T00:00:00.000Z",
 			deletedAt: "2024-01-02T00:00:00.000Z",
@@ -830,7 +825,6 @@ describe("GET /api/sync/pull", () => {
 			userId,
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T00:00:00.000Z"),
 			updatedAt: new Date("2024-01-02T00:00:00.000Z"),
 			deletedAt: null,
@@ -906,7 +900,6 @@ describe("GET /api/sync/pull", () => {
 			userId,
 			name: "Test Deck",
 			description: "A test description",
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T00:00:00.000Z"),
 			updatedAt: new Date("2024-01-02T00:00:00.000Z"),
 			deletedAt: null,
@@ -1041,7 +1034,6 @@ describe("GET /api/sync/pull", () => {
 			userId,
 			name: "Test Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T00:00:00.000Z"),
 			updatedAt: new Date("2024-01-01T00:00:00.000Z"),
 			deletedAt: null,
@@ -1215,7 +1207,6 @@ describe("GET /api/sync/pull", () => {
 			userId,
 			name: "Deleted Deck",
 			description: null,
-			newCardsPerDay: 20,
 			createdAt: new Date("2024-01-01T00:00:00.000Z"),
 			updatedAt: new Date("2024-01-02T00:00:00.000Z"),
 			deletedAt: new Date("2024-01-02T00:00:00.000Z"),
diff --git a/src/server/routes/sync.ts b/src/server/routes/sync.ts
index c571f8a..a9ea3b3 100644
--- a/src/server/routes/sync.ts
+++ b/src/server/routes/sync.ts
@@ -18,7 +18,6 @@ const syncDeckSchema = z.object({
 	id: z.uuid(),
 	name: z.string().min(1).max(255),
 	description: z.string().nullable(),
-	newCardsPerDay: z.number().int().min(0).max(1000),
 	createdAt: z.string().datetime(),
 	updatedAt: z.string().datetime(),
 	deletedAt: z.string().datetime().nullable(),
diff --git a/src/server/schemas/index.ts b/src/server/schemas/index.ts
index fc1bd77..aa9ceea 100644
--- a/src/server/schemas/index.ts
+++ b/src/server/schemas/index.ts
@@ -48,7 +48,6 @@ export const deckSchema = z.object({
 	userId: z.uuid(),
 	name: z.string().min(1).max(255),
 	description: z.string().max(1000).nullable(),
-	newCardsPerDay: z.number().int().min(0).default(20),
 	createdAt: z.coerce.date(),
 	updatedAt: z.coerce.date(),
 	deletedAt: z.coerce.date().nullable(),
@@ -59,14 +58,12 @@ export const deckSchema = z.object({
 export const createDeckSchema = z.object({
 	name: z.string().min(1).max(255),
 	description: z.string().max(1000).nullable().optional(),
-	newCardsPerDay: z.number().int().min(0).default(20),
 });
 
 // Deck update input schema
 export const updateDeckSchema = z.object({
 	name: z.string().min(1).max(255).optional(),
 	description: z.string().max(1000).nullable().optional(),
-	newCardsPerDay: z.number().int().min(0).optional(),
 });
 
 // Card schema
diff --git a/src/server/types/index.ts b/src/server/types/index.ts
index bfba06f..08f8379 100644
--- a/src/server/types/index.ts
+++ b/src/server/types/index.ts
@@ -33,7 +33,6 @@ export interface Deck {
 	userId: string;
 	name: string;
 	description: string | null;
-	newCardsPerDay: number;
 	createdAt: Date;
 	updatedAt: Date;
 	deletedAt: Date | null;