diff --git a/crates/adapters/postgres/src/wrapup.rs b/crates/adapters/postgres/src/wrapup.rs
index 445ac15..470c58f 100644
--- a/crates/adapters/postgres/src/wrapup.rs
+++ b/crates/adapters/postgres/src/wrapup.rs
@@ -282,7 +282,7 @@ impl WrapUpStatsQuery for PostgresWrapUpStatsQuery {
              ORDER BY r.watched_at ASC"
         );
 
-        let mut q = sqlx::query(&sql).bind(range.start).bind(range.end);
+        let mut q = sqlx::query(&sql).bind(range.start()).bind(range.end());
         if let Some(ref uid) = scope_bind {
             q = q.bind(uid);
         }
diff --git a/crates/adapters/sqlite/src/wrapup.rs b/crates/adapters/sqlite/src/wrapup.rs
index 3f466e4..a4101dc 100644
--- a/crates/adapters/sqlite/src/wrapup.rs
+++ b/crates/adapters/sqlite/src/wrapup.rs
@@ -274,8 +274,8 @@ impl WrapUpStatsQuery for SqliteWrapUpStatsQuery {
         scope: &WrapUpScope,
         range: &DateRange,
     ) -> Result<Vec<WrapUpMovieRow>, DomainError> {
-        let start_str = range.start.format("%Y-%m-%d").to_string();
-        let end_str = range.end.format("%Y-%m-%d").to_string();
+        let start_str = range.start().format("%Y-%m-%d").to_string();
+        let end_str = range.end().format("%Y-%m-%d").to_string();
 
         // 1) Main query
         let (scope_clause, scope_bind) = match scope {
diff --git a/crates/adapters/wrapup-renderer/src/slides.rs b/crates/adapters/wrapup-renderer/src/slides.rs
index 4ac59d7..bc0c28d 100644
--- a/crates/adapters/wrapup-renderer/src/slides.rs
+++ b/crates/adapters/wrapup-renderer/src/slides.rs
@@ -277,8 +277,8 @@ impl SlideRenderer {
 
         let year_label = format!(
             "{} - {}",
-            report.date_range.start.format("%b %Y"),
-            report.date_range.end.format("%b %Y")
+            report.date_range.start().format("%b %Y"),
+            report.date_range.end().format("%b %Y")
         );
         self.draw_centered(&mut img, &year_label, (h / 6) as i32, 48.0, DIM);
         self.draw_centered(
diff --git a/crates/application/src/wrapup/generate.rs b/crates/application/src/wrapup/generate.rs
index d89cb9e..d830b72 100644
--- a/crates/application/src/wrapup/generate.rs
+++ b/crates/application/src/wrapup/generate.rs
@@ -1,24 +1,15 @@
 use chrono::Utc;
 use domain::errors::DomainError;
 use domain::events::DomainEvent;
-use domain::models::wrapup::WrapUpStatus;
+use domain::models::wrapup::{DateRange, WrapUpStatus};
 use domain::value_objects::{UserId, WrapUpId};
 
 use crate::context::AppContext;
 use crate::wrapup::commands::RequestWrapUpCommand;
 
 pub async fn execute(ctx: &AppContext, cmd: RequestWrapUpCommand) -> Result<WrapUpId, DomainError> {
-    if cmd.end_date <= cmd.start_date {
-        return Err(DomainError::ValidationError(
-            "end_date must be after start_date".into(),
-        ));
-    }
-    let days = (cmd.end_date - cmd.start_date).num_days();
-    if days > 366 {
-        return Err(DomainError::ValidationError(
-            "date range cannot exceed 366 days".into(),
-        ));
-    }
+    let date_range = DateRange::new(cmd.start_date, cmd.end_date)?;
+
     if cmd.end_date > Utc::now().date_naive() {
         return Err(DomainError::ValidationError(
             "end_date cannot be in the future".into(),
@@ -28,7 +19,7 @@ pub async fn execute(ctx: &AppContext, cmd: RequestWrapUpCommand) -> Result<Wrap
     let existing = ctx
         .repos
         .wrapup_repo
-        .find_existing(cmd.user_id, cmd.start_date, cmd.end_date)
+        .find_existing(cmd.user_id, date_range.start(), date_range.end())
         .await?;
 
     if let Some(ref rec) = existing {
@@ -45,8 +36,8 @@ pub async fn execute(ctx: &AppContext, cmd: RequestWrapUpCommand) -> Result<Wrap
     let record = domain::models::wrapup::WrapUpRecord {
         id: id.clone(),
         user_id: cmd.user_id,
-        start_date: cmd.start_date,
-        end_date: cmd.end_date,
+        start_date: date_range.start(),
+        end_date: date_range.end(),
         status: WrapUpStatus::Pending,
         report_json: None,
         error_message: None,
@@ -60,8 +51,8 @@ pub async fn execute(ctx: &AppContext, cmd: RequestWrapUpCommand) -> Result<Wrap
         .publish(&DomainEvent::WrapUpRequested {
             wrapup_id: id.clone(),
             user_id: cmd.user_id.map(UserId::from_uuid),
-            start_date: cmd.start_date,
-            end_date: cmd.end_date,
+            start_date: date_range.start(),
+            end_date: date_range.end(),
         })
         .await?;
 
diff --git a/crates/application/src/wrapup/handle_requested.rs b/crates/application/src/wrapup/handle_requested.rs
index 4d026f3..a71e860 100644
--- a/crates/application/src/wrapup/handle_requested.rs
+++ b/crates/application/src/wrapup/handle_requested.rs
@@ -24,10 +24,7 @@ pub async fn execute(
     };
     let query = ComputeWrapUpQuery {
         scope,
-        date_range: DateRange {
-            start: start_date,
-            end: end_date,
-        },
+        date_range: DateRange::new(start_date, end_date)?,
     };
 
     match compute::execute(ctx, query).await {
diff --git a/crates/application/src/wrapup/tests/compute.rs b/crates/application/src/wrapup/tests/compute.rs
index 2b6fc48..fd0cf71 100644
--- a/crates/application/src/wrapup/tests/compute.rs
+++ b/crates/application/src/wrapup/tests/compute.rs
@@ -32,10 +32,11 @@ fn make_row(title: &str, rating: u8, watched_at: &str) -> WrapUpMovieRow {
 }
 
 fn year_2024_range() -> DateRange {
-    DateRange {
-        start: NaiveDate::from_ymd_opt(2024, 1, 1).unwrap(),
-        end: NaiveDate::from_ymd_opt(2025, 1, 1).unwrap(),
-    }
+    DateRange::new(
+        NaiveDate::from_ymd_opt(2024, 1, 1).unwrap(),
+        NaiveDate::from_ymd_opt(2025, 1, 1).unwrap(),
+    )
+    .unwrap()
 }
 
 #[tokio::test]
diff --git a/crates/domain/src/models/wrapup.rs b/crates/domain/src/models/wrapup.rs
index fe07dcd..8752221 100644
--- a/crates/domain/src/models/wrapup.rs
+++ b/crates/domain/src/models/wrapup.rs
@@ -6,8 +6,32 @@ use crate::value_objects::WrapUpId;
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct DateRange {
-    pub start: NaiveDate,
-    pub end: NaiveDate,
+    start: NaiveDate,
+    end: NaiveDate,
+}
+
+impl DateRange {
+    pub fn new(start: NaiveDate, end: NaiveDate) -> Result<Self, crate::errors::DomainError> {
+        if end <= start {
+            return Err(crate::errors::DomainError::ValidationError(
+                "end_date must be after start_date".into(),
+            ));
+        }
+        if (end - start).num_days() > 366 {
+            return Err(crate::errors::DomainError::ValidationError(
+                "date range cannot exceed 366 days".into(),
+            ));
+        }
+        Ok(Self { start, end })
+    }
+
+    pub fn start(&self) -> NaiveDate {
+        self.start
+    }
+
+    pub fn end(&self) -> NaiveDate {
+        self.end
+    }
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
diff --git a/crates/domain/src/testing.rs b/crates/domain/src/testing.rs
index cd876dc..54f28ee 100644
--- a/crates/domain/src/testing.rs
+++ b/crates/domain/src/testing.rs
@@ -1047,7 +1047,7 @@ impl crate::ports::WrapUpStatsQuery for InMemoryWrapUpStatsQuery {
             .iter()
             .filter(|r| {
                 let date = r.watched_at.date();
-                date >= range.start && date < range.end
+                date >= range.start() && date < range.end()
             })
             .filter(|r| match scope {
                 crate::models::wrapup::WrapUpScope::User(uid) => r.user_id == *uid,