新增奖励兑换模式与奖励设置，并持久化兑换记录

src-tauri/src/commands/database.rs

@@ -7,7 +7,9 @@ use tokio::time::{timeout, Duration};
 
 use crate::db::connection::{create_postgres_connection, create_sqlite_connection};
 use crate::db::connection::DatabaseType;
-use crate::db::entities::{reasons, score_events, student_tags, students, tags};
+use crate::db::entities::{
+    reasons, reward_redemptions, reward_settings, score_events, student_tags, students, tags,
+};
 use crate::db::migration::run_migration;
 use crate::services::permission::PermissionLevel;
 use crate::services::settings::{SettingsKey, SettingsValue};
@@ -93,6 +95,7 @@ pub enum ConflictStrategy {
 struct StudentNormalized {
     name: String,
     score: i32,
+    reward_points: i32,
     tags: String,
     extra_json: Option<String>,
     created_at: String,
@@ -126,6 +129,24 @@ struct EventNormalized {
     event_time: String,
 }
 
+#[derive(Debug, Clone, PartialEq, Eq)]
+struct RewardSettingNormalized {
+    name: String,
+    cost_points: i32,
+    created_at: String,
+    updated_at: String,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+struct RewardRedemptionNormalized {
+    uuid: String,
+    student_name: String,
+    reward_id: i32,
+    reward_name: String,
+    cost_points: i32,
+    redeemed_at: String,
+}
+
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 struct StudentTagPair {
     student_name: String,
@@ -177,6 +198,7 @@ async fn load_students(
             StudentNormalized {
                 name: row.name,
                 score: row.score,
+                reward_points: row.reward_points,
                 tags: normalize_tags(&row.tags),
                 extra_json: row.extra_json,
                 created_at: row.created_at,
@@ -256,6 +278,52 @@ async fn load_events(
     Ok(map)
 }
 
+async fn load_reward_settings(
+    conn: &sea_orm::DatabaseConnection,
+) -> Result<std::collections::HashMap<String, RewardSettingNormalized>, String> {
+    let rows = reward_settings::Entity::find()
+        .all(conn)
+        .await
+        .map_err(|e| e.to_string())?;
+    let mut map = std::collections::HashMap::new();
+    for row in rows {
+        map.insert(
+            row.name.clone(),
+            RewardSettingNormalized {
+                name: row.name,
+                cost_points: row.cost_points,
+                created_at: row.created_at,
+                updated_at: row.updated_at,
+            },
+        );
+    }
+    Ok(map)
+}
+
+async fn load_reward_redemptions(
+    conn: &sea_orm::DatabaseConnection,
+) -> Result<std::collections::HashMap<String, RewardRedemptionNormalized>, String> {
+    let rows = reward_redemptions::Entity::find()
+        .all(conn)
+        .await
+        .map_err(|e| e.to_string())?;
+    let mut map = std::collections::HashMap::new();
+    for row in rows {
+        map.insert(
+            row.uuid.clone(),
+            RewardRedemptionNormalized {
+                uuid: row.uuid,
+                student_name: row.student_name,
+                reward_id: row.reward_id,
+                reward_name: row.reward_name,
+                cost_points: row.cost_points,
+                redeemed_at: row.redeemed_at,
+            },
+        );
+    }
+    Ok(map)
+}
+
 async fn load_student_tag_pairs(
     conn: &sea_orm::DatabaseConnection,
 ) -> Result<std::collections::HashSet<StudentTagPair>, String> {
@@ -334,6 +402,7 @@ async fn upsert_student(
             let normalized_current = StudentNormalized {
                 name: row.name.clone(),
                 score: row.score,
+                reward_points: row.reward_points,
                 tags: normalize_tags(&row.tags),
                 extra_json: row.extra_json.clone(),
                 created_at: row.created_at.clone(),
@@ -344,6 +413,7 @@ async fn upsert_student(
             }
             let mut active: students::ActiveModel = row.into();
             active.score = Set(data.score);
+            active.reward_points = Set(data.reward_points);
             active.tags = Set(data.tags.clone());
             active.extra_json = Set(data.extra_json.clone());
             active.created_at = Set(data.created_at.clone());
@@ -356,6 +426,7 @@ async fn upsert_student(
                 id: sea_orm::ActiveValue::NotSet,
                 name: Set(data.name.clone()),
                 score: Set(data.score),
+                reward_points: Set(data.reward_points),
                 tags: Set(data.tags.clone()),
                 extra_json: Set(data.extra_json.clone()),
                 created_at: Set(data.created_at.clone()),
@@ -505,6 +576,98 @@ async fn upsert_event(
     }
 }
 
+async fn upsert_reward_setting(
+    conn: &sea_orm::DatabaseConnection,
+    data: &RewardSettingNormalized,
+) -> Result<bool, String> {
+    let existing = reward_settings::Entity::find()
+        .filter(reward_settings::Column::Name.eq(&data.name))
+        .one(conn)
+        .await
+        .map_err(|e| e.to_string())?;
+    match existing {
+        Some(row) => {
+            let normalized_current = RewardSettingNormalized {
+                name: row.name.clone(),
+                cost_points: row.cost_points,
+                created_at: row.created_at.clone(),
+                updated_at: row.updated_at.clone(),
+            };
+            if normalized_current == *data {
+                return Ok(false);
+            }
+            let mut active: reward_settings::ActiveModel = row.into();
+            active.cost_points = Set(data.cost_points);
+            active.created_at = Set(data.created_at.clone());
+            active.updated_at = Set(data.updated_at.clone());
+            active.update(conn).await.map_err(|e| e.to_string())?;
+            Ok(true)
+        }
+        None => {
+            reward_settings::ActiveModel {
+                id: sea_orm::ActiveValue::NotSet,
+                name: Set(data.name.clone()),
+                cost_points: Set(data.cost_points),
+                created_at: Set(data.created_at.clone()),
+                updated_at: Set(data.updated_at.clone()),
+            }
+            .insert(conn)
+            .await
+            .map_err(|e| e.to_string())?;
+            Ok(true)
+        }
+    }
+}
+
+async fn upsert_reward_redemption(
+    conn: &sea_orm::DatabaseConnection,
+    data: &RewardRedemptionNormalized,
+) -> Result<bool, String> {
+    let existing = reward_redemptions::Entity::find()
+        .filter(reward_redemptions::Column::Uuid.eq(&data.uuid))
+        .one(conn)
+        .await
+        .map_err(|e| e.to_string())?;
+    match existing {
+        Some(row) => {
+            let normalized_current = RewardRedemptionNormalized {
+                uuid: row.uuid.clone(),
+                student_name: row.student_name.clone(),
+                reward_id: row.reward_id,
+                reward_name: row.reward_name.clone(),
+                cost_points: row.cost_points,
+                redeemed_at: row.redeemed_at.clone(),
+            };
+            if normalized_current == *data {
+                return Ok(false);
+            }
+            let mut active: reward_redemptions::ActiveModel = row.into();
+            active.student_name = Set(data.student_name.clone());
+            active.reward_id = Set(data.reward_id);
+            active.reward_name = Set(data.reward_name.clone());
+            active.cost_points = Set(data.cost_points);
+            active.redeemed_at = Set(data.redeemed_at.clone());
+            active.update(conn).await.map_err(|e| e.to_string())?;
+            Ok(true)
+        }
+        None => {
+            reward_redemptions::ActiveModel {
+                id: sea_orm::ActiveValue::NotSet,
+                uuid: Set(data.uuid.clone()),
+                student_name: Set(data.student_name.clone()),
+                reward_id: Set(data.reward_id),
+                reward_name: Set(data.reward_name.clone()),
+                cost_points: Set(data.cost_points),
+                redeemed_at: Set(data.redeemed_at.clone()),
+            }
+            .insert(conn)
+            .await
+            .map_err(|e| e.to_string())?;
+            Ok(true)
+        }
+    }
+}
+
 async fn ensure_student_tag_pair(
     conn: &sea_orm::DatabaseConnection,
     pair: &StudentTagPair,
@@ -625,6 +788,16 @@ pub async fn realtime_dual_write_sync(app_state: &Arc<RwLock<AppState>>) -> Resu
         let _ = upsert_event(&local_conn, event).await?;
     }
 
+    let remote_reward_settings = load_reward_settings(&remote_conn).await?;
+    for reward in remote_reward_settings.values() {
+        let _ = upsert_reward_setting(&local_conn, reward).await?;
+    }
+
+    let remote_redemptions = load_reward_redemptions(&remote_conn).await?;
+    for redemption in remote_redemptions.values() {
+        let _ = upsert_reward_redemption(&local_conn, redemption).await?;
+    }
+
     let remote_pairs = load_student_tag_pairs(&remote_conn).await?;
     for pair in &remote_pairs {
         let _ = ensure_student_tag_pair(&local_conn, pair).await?;
@@ -653,6 +826,8 @@ async fn db_sync_apply_internal(
     let local_reasons = load_reasons(&local_conn).await?;
     let local_tags = load_tags(&local_conn).await?;
     let local_events = load_events(&local_conn).await?;
+    let local_reward_settings = load_reward_settings(&local_conn).await?;
+    let local_reward_redemptions = load_reward_redemptions(&local_conn).await?;
     let local_pairs = load_student_tag_pairs(&local_conn).await?;
     let remote_pairs = load_student_tag_pairs(&remote_conn).await?;
 
@@ -709,6 +884,28 @@ async fn db_sync_apply_internal(
             synced_records += 1;
         }
     }
+    for reward in local_reward_settings.values() {
+        if upsert_reward_setting(&remote_conn, reward).await? {
+            synced_records += 1;
+        }
+    }
+    let remote_reward_settings_after = load_reward_settings(&remote_conn).await?;
+    for reward in remote_reward_settings_after.values() {
+        if upsert_reward_setting(&local_conn, reward).await? {
+            synced_records += 1;
+        }
+    }
+    for redemption in local_reward_redemptions.values() {
+        if upsert_reward_redemption(&remote_conn, redemption).await? {
+            synced_records += 1;
+        }
+    }
+    let remote_reward_redemptions_after = load_reward_redemptions(&remote_conn).await?;
+    for redemption in remote_reward_redemptions_after.values() {
+        if upsert_reward_redemption(&local_conn, redemption).await? {
+            synced_records += 1;
+        }
+    }
 
     for pair in local_pairs.union(&remote_pairs) {
         if ensure_student_tag_pair(&local_conn, pair).await? {
@@ -743,6 +940,18 @@ async fn db_sync_apply_internal(
             resolved_conflicts += 1;
         }
     }
+    let preferred_reward_settings = load_reward_settings(preferred).await?;
+    for reward in preferred_reward_settings.values() {
+        if upsert_reward_setting(target, reward).await? {
+            resolved_conflicts += 1;
+        }
+    }
+    let preferred_reward_redemptions = load_reward_redemptions(preferred).await?;
+    for redemption in preferred_reward_redemptions.values() {
+        if upsert_reward_redemption(target, redemption).await? {
+            resolved_conflicts += 1;
+        }
+    }
     let preferred_pairs = load_student_tag_pairs(preferred).await?;
     for pair in &preferred_pairs {
         if ensure_student_tag_pair(target, pair).await? {
@@ -1005,6 +1214,10 @@ pub async fn db_sync_preview(
     let remote_tags = load_tags(&remote_conn).await?;
     let local_events = load_events(&local_conn).await?;
     let remote_events = load_events(&remote_conn).await?;
+    let local_reward_settings = load_reward_settings(&local_conn).await?;
+    let remote_reward_settings = load_reward_settings(&remote_conn).await?;
+    let local_reward_redemptions = load_reward_redemptions(&local_conn).await?;
+    let remote_reward_redemptions = load_reward_redemptions(&remote_conn).await?;
     let local_pairs = load_student_tag_pairs(&local_conn).await?;
     let remote_pairs = load_student_tag_pairs(&remote_conn).await?;
 
@@ -1016,9 +1229,29 @@ pub async fn db_sync_preview(
         compare_maps("tags", &local_tags, &remote_tags);
     let (evt_local_only, evt_remote_only, evt_conflicts) =
         compare_maps("score_events", &local_events, &remote_events);
+    let (reward_local_only, reward_remote_only, reward_conflicts) = compare_maps(
+        "reward_settings",
+        &local_reward_settings,
+        &remote_reward_settings,
+    );
+    let (redeem_local_only, redeem_remote_only, redeem_conflicts) = compare_maps(
+        "reward_redemptions",
+        &local_reward_redemptions,
+        &remote_reward_redemptions,
+    );
 
-    let mut local_only = stu_local_only + rea_local_only + tag_local_only + evt_local_only;
-    let mut remote_only = stu_remote_only + rea_remote_only + tag_remote_only + evt_remote_only;
+    let mut local_only = stu_local_only
+        + rea_local_only
+        + tag_local_only
+        + evt_local_only
+        + reward_local_only
+        + redeem_local_only;
+    let mut remote_only = stu_remote_only
+        + rea_remote_only
+        + tag_remote_only
+        + evt_remote_only
+        + reward_remote_only
+        + redeem_remote_only;
 
     for pair in &local_pairs {
         if !remote_pairs.contains(pair) {
@@ -1038,8 +1271,14 @@ pub async fn db_sync_preview(
         conflicts.push(DbSyncConflict {
             table,
             key,
-            local_summary: format!("score={}, updated_at={}", local.score, local.updated_at),
-            remote_summary: format!("score={}, updated_at={}", remote.score, remote.updated_at),
+            local_summary: format!(
+                "score={}, reward_points={}, updated_at={}",
+                local.score, local.reward_points, local.updated_at
+            ),
+            remote_summary: format!(
+                "score={}, reward_points={}, updated_at={}",
+                remote.score, remote.reward_points, remote.updated_at
+            ),
         });
     }
     for (table, key) in rea_conflicts {
@@ -1078,6 +1317,46 @@ pub async fn db_sync_preview(
             ),
         });
     }
+    for (table, key) in reward_conflicts {
+        let local = local_reward_settings
+            .get(&key)
+            .expect("local reward setting exists");
+        let remote = remote_reward_settings
+            .get(&key)
+            .expect("remote reward setting exists");
+        conflicts.push(DbSyncConflict {
+            table,
+            key,
+            local_summary: format!(
+                "cost_points={}, updated_at={}",
+                local.cost_points, local.updated_at
+            ),
+            remote_summary: format!(
+                "cost_points={}, updated_at={}",
+                remote.cost_points, remote.updated_at
+            ),
+        });
+    }
+    for (table, key) in redeem_conflicts {
+        let local = local_reward_redemptions
+            .get(&key)
+            .expect("local redemption exists");
+        let remote = remote_reward_redemptions
+            .get(&key)
+            .expect("remote redemption exists");
+        conflicts.push(DbSyncConflict {
+            table,
+            key,
+            local_summary: format!(
+                "student={}, reward={}, cost={}, redeemed_at={}",
+                local.student_name, local.reward_name, local.cost_points, local.redeemed_at
+            ),
+            remote_summary: format!(
+                "student={}, reward={}, cost={}, redeemed_at={}",
+                remote.student_name, remote.reward_name, remote.cost_points, remote.redeemed_at
+            ),
+        });
+    }
 
     let need_sync = local_only > 0 || remote_only > 0 || !conflicts.is_empty();
     Ok(IpcResponse::success(DbSyncPreviewResult {

src-tauri/src/commands/event.rs

@@ -147,6 +147,7 @@ pub async fn event_create(
             Ok(Some(student)) => {
                 let val_prev = student.score;
                 let val_curr = val_prev + data.delta;
+                let reward_points_next = student.reward_points + data.delta;
                 let now = chrono::Utc::now()
                     .format("%Y-%m-%dT%H:%M:%S%.3fZ")
                     .to_string();
@@ -170,6 +171,7 @@ pub async fn event_create(
 
                 let mut active: students::ActiveModel = student.into();
                 active.score = Set(val_curr);
+                active.reward_points = Set(reward_points_next);
                 active.updated_at = Set(now);
                 active.update(&txn).await.map_err(|e| e.to_string())?;
 
@@ -244,12 +246,14 @@ pub async fn event_delete(
 
                 if let Some(student) = student {
                     let new_score = student.score - event.delta;
+                    let new_reward_points = student.reward_points - event.delta;
                     let now = chrono::Utc::now()
                         .format("%Y-%m-%dT%H:%M:%S%.3fZ")
                         .to_string();
 
                     let mut active: students::ActiveModel = student.into();
                     active.score = Set(new_score);
+                    active.reward_points = Set(new_reward_points);
                     active.updated_at = Set(now);
                     active.update(&txn).await.map_err(|e| e.to_string())?;
                 }

src-tauri/src/commands/mod.rs

@@ -8,6 +8,7 @@ pub mod filesystem;
 pub mod http_server;
 pub mod log;
 pub mod reason;
+pub mod reward;
 pub mod response;
 pub mod settings;
 pub mod settlement;
@@ -26,6 +27,7 @@ pub use filesystem::*;
 pub use http_server::*;
 pub use log::*;
 pub use reason::*;
+pub use reward::*;
 pub use response::*;
 pub use settings::*;
 pub use settlement::*;

src-tauri/src/commands/reward.rs

@@ -0,0 +1,372 @@
+use parking_lot::RwLock;
+use sea_orm::{
+    ActiveModelTrait, ColumnTrait, EntityTrait, QueryFilter, QueryOrder, QuerySelect, Set,
+    TransactionTrait,
+};
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+use tauri::State;
+use uuid::Uuid;
+
+use crate::db::entities::{reward_redemptions, reward_settings, students};
+use crate::services::PermissionLevel;
+use crate::state::AppState;
+
+use super::database::realtime_dual_write_sync;
+use super::response::IpcResponse;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct RewardSettingDto {
+    pub id: i32,
+    pub name: String,
+    pub cost_points: i32,
+    pub created_at: String,
+    pub updated_at: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct RewardRedemptionDto {
+    pub id: i32,
+    pub uuid: String,
+    pub student_name: String,
+    pub reward_id: i32,
+    pub reward_name: String,
+    pub cost_points: i32,
+    pub redeemed_at: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CreateRewardSettingData {
+    pub name: String,
+    pub cost_points: i32,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct UpdateRewardSettingData {
+    pub name: Option<String>,
+    pub cost_points: Option<i32>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct RedeemRewardData {
+    pub student_name: String,
+    pub reward_id: i32,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct RedeemRewardResult {
+    pub redemption_id: i32,
+    pub remaining_reward_points: i32,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct QueryRewardRedemptionsParams {
+    pub limit: Option<u64>,
+}
+
+fn require_permission(
+    state: &Arc<RwLock<AppState>>,
+    level: PermissionLevel,
+) -> Result<(), IpcResponse<()>> {
+    let state_guard = state.read();
+    let mut permissions = state_guard.permissions.write();
+    if permissions.require_permission(0, level) {
+        Ok(())
+    } else {
+        Err(IpcResponse::error("Permission denied"))
+    }
+}
+
+#[tauri::command]
+pub async fn reward_setting_query(
+    state: State<'_, Arc<RwLock<AppState>>>,
+) -> Result<IpcResponse<Vec<RewardSettingDto>>, String> {
+    if require_permission(&state, PermissionLevel::View).is_err() {
+        return Ok(IpcResponse::error("Permission denied: view required"));
+    }
+
+    let state_guard = state.read();
+    let db_guard = state_guard.db.read();
+    let Some(conn) = db_guard.as_ref() else {
+        return Ok(IpcResponse::error("Database not connected"));
+    };
+
+    let rows = reward_settings::Entity::find()
+        .order_by_asc(reward_settings::Column::CostPoints)
+        .order_by_asc(reward_settings::Column::Name)
+        .all(conn)
+        .await
+        .map_err(|e| e.to_string())?;
+
+    let data = rows
+        .into_iter()
+        .map(|row| RewardSettingDto {
+            id: row.id,
+            name: row.name,
+            cost_points: row.cost_points,
+            created_at: row.created_at,
+            updated_at: row.updated_at,
+        })
+        .collect();
+
+    Ok(IpcResponse::success(data))
+}
+
+#[tauri::command]
+pub async fn reward_setting_create(
+    state: State<'_, Arc<RwLock<AppState>>>,
+    data: CreateRewardSettingData,
+) -> Result<IpcResponse<i32>, String> {
+    if require_permission(&state, PermissionLevel::Admin).is_err() {
+        return Ok(IpcResponse::error("Permission denied: admin required"));
+    }
+
+    let name = data.name.trim();
+    if name.is_empty() {
+        return Ok(IpcResponse::error("Reward name cannot be empty"));
+    }
+    if data.cost_points <= 0 {
+        return Ok(IpcResponse::error("Reward cost points must be positive"));
+    }
+
+    let state_guard = state.read();
+    let db_guard = state_guard.db.read();
+    let Some(conn) = db_guard.as_ref() else {
+        return Ok(IpcResponse::error("Database not connected"));
+    };
+
+    let existing = reward_settings::Entity::find()
+        .filter(reward_settings::Column::Name.eq(name))
+        .one(conn)
+        .await
+        .map_err(|e| e.to_string())?;
+
+    if existing.is_some() {
+        return Ok(IpcResponse::error("Reward with this name already exists"));
+    }
+
+    let now = chrono::Utc::now()
+        .format("%Y-%m-%dT%H:%M:%S%.3fZ")
+        .to_string();
+
+    let inserted = reward_settings::ActiveModel {
+        id: sea_orm::ActiveValue::NotSet,
+        name: Set(name.to_string()),
+        cost_points: Set(data.cost_points),
+        created_at: Set(now.clone()),
+        updated_at: Set(now),
+    }
+    .insert(conn)
+    .await
+    .map_err(|e| e.to_string())?;
+
+    realtime_dual_write_sync(state.inner()).await?;
+    Ok(IpcResponse::success(inserted.id))
+}
+
+#[tauri::command]
+pub async fn reward_setting_update(
+    state: State<'_, Arc<RwLock<AppState>>>,
+    id: i32,
+    data: UpdateRewardSettingData,
+) -> Result<IpcResponse<()>, String> {
+    if require_permission(&state, PermissionLevel::Admin).is_err() {
+        return Ok(IpcResponse::error("Permission denied: admin required"));
+    }
+
+    let state_guard = state.read();
+    let db_guard = state_guard.db.read();
+    let Some(conn) = db_guard.as_ref() else {
+        return Ok(IpcResponse::error("Database not connected"));
+    };
+
+    let Some(row) = reward_settings::Entity::find_by_id(id)
+        .one(conn)
+        .await
+        .map_err(|e| e.to_string())?
+    else {
+        return Ok(IpcResponse::error("Reward not found"));
+    };
+
+    let mut active: reward_settings::ActiveModel = row.into();
+
+    if let Some(name) = data.name {
+        let name = name.trim().to_string();
+        if name.is_empty() {
+            return Ok(IpcResponse::error("Reward name cannot be empty"));
+        }
+        let existing = reward_settings::Entity::find()
+            .filter(reward_settings::Column::Name.eq(&name))
+            .filter(reward_settings::Column::Id.ne(id))
+            .one(conn)
+            .await
+            .map_err(|e| e.to_string())?;
+        if existing.is_some() {
+            return Ok(IpcResponse::error("Reward with this name already exists"));
+        }
+        active.name = Set(name);
+    }
+
+    if let Some(cost_points) = data.cost_points {
+        if cost_points <= 0 {
+            return Ok(IpcResponse::error("Reward cost points must be positive"));
+        }
+        active.cost_points = Set(cost_points);
+    }
+
+    let now = chrono::Utc::now()
+        .format("%Y-%m-%dT%H:%M:%S%.3fZ")
+        .to_string();
+    active.updated_at = Set(now);
+
+    active.update(conn).await.map_err(|e| e.to_string())?;
+    realtime_dual_write_sync(state.inner()).await?;
+    Ok(IpcResponse::success_empty())
+}
+
+#[tauri::command]
+pub async fn reward_setting_delete(
+    state: State<'_, Arc<RwLock<AppState>>>,
+    id: i32,
+) -> Result<IpcResponse<()>, String> {
+    if require_permission(&state, PermissionLevel::Admin).is_err() {
+        return Ok(IpcResponse::error("Permission denied: admin required"));
+    }
+
+    let state_guard = state.read();
+    let db_guard = state_guard.db.read();
+    let Some(conn) = db_guard.as_ref() else {
+        return Ok(IpcResponse::error("Database not connected"));
+    };
+
+    let deleted = reward_settings::Entity::delete_by_id(id)
+        .exec(conn)
+        .await
+        .map_err(|e| e.to_string())?;
+
+    if deleted.rows_affected == 0 {
+        return Ok(IpcResponse::error("Reward not found"));
+    }
+
+    realtime_dual_write_sync(state.inner()).await?;
+    Ok(IpcResponse::success_empty())
+}
+
+#[tauri::command]
+pub async fn reward_redeem(
+    state: State<'_, Arc<RwLock<AppState>>>,
+    data: RedeemRewardData,
+) -> Result<IpcResponse<RedeemRewardResult>, String> {
+    if require_permission(&state, PermissionLevel::Points).is_err() {
+        return Ok(IpcResponse::error("Permission denied: points required"));
+    }
+
+    let student_name = data.student_name.trim();
+    if student_name.is_empty() {
+        return Ok(IpcResponse::error("Student name cannot be empty"));
+    }
+
+    let state_guard = state.read();
+    let db_guard = state_guard.db.read();
+    let Some(conn) = db_guard.as_ref() else {
+        return Ok(IpcResponse::error("Database not connected"));
+    };
+
+    let txn = conn.begin().await.map_err(|e| e.to_string())?;
+
+    let Some(student) = students::Entity::find()
+        .filter(students::Column::Name.eq(student_name))
+        .one(&txn)
+        .await
+        .map_err(|e| e.to_string())?
+    else {
+        return Ok(IpcResponse::error("Student not found"));
+    };
+
+    let Some(reward) = reward_settings::Entity::find_by_id(data.reward_id)
+        .one(&txn)
+        .await
+        .map_err(|e| e.to_string())?
+    else {
+        return Ok(IpcResponse::error("Reward not found"));
+    };
+
+    if student.reward_points < reward.cost_points {
+        return Ok(IpcResponse::error("Insufficient reward points"));
+    }
+
+    let remaining = student.reward_points - reward.cost_points;
+    let now = chrono::Utc::now()
+        .format("%Y-%m-%dT%H:%M:%S%.3fZ")
+        .to_string();
+    let uuid = Uuid::new_v4().to_string();
+
+    let redemption = reward_redemptions::ActiveModel {
+        id: sea_orm::ActiveValue::NotSet,
+        uuid: Set(uuid),
+        student_name: Set(student_name.to_string()),
+        reward_id: Set(reward.id),
+        reward_name: Set(reward.name.clone()),
+        cost_points: Set(reward.cost_points),
+        redeemed_at: Set(now.clone()),
+    }
+    .insert(&txn)
+    .await
+    .map_err(|e| e.to_string())?;
+
+    let mut active_student: students::ActiveModel = student.into();
+    active_student.reward_points = Set(remaining);
+    active_student.updated_at = Set(now);
+    active_student
+        .update(&txn)
+        .await
+        .map_err(|e| e.to_string())?;
+
+    txn.commit().await.map_err(|e| e.to_string())?;
+    realtime_dual_write_sync(state.inner()).await?;
+
+    Ok(IpcResponse::success(RedeemRewardResult {
+        redemption_id: redemption.id,
+        remaining_reward_points: remaining,
+    }))
+}
+
+#[tauri::command]
+pub async fn reward_redemption_query(
+    state: State<'_, Arc<RwLock<AppState>>>,
+    params: Option<QueryRewardRedemptionsParams>,
+) -> Result<IpcResponse<Vec<RewardRedemptionDto>>, String> {
+    if require_permission(&state, PermissionLevel::View).is_err() {
+        return Ok(IpcResponse::error("Permission denied: view required"));
+    }
+
+    let state_guard = state.read();
+    let db_guard = state_guard.db.read();
+    let Some(conn) = db_guard.as_ref() else {
+        return Ok(IpcResponse::error("Database not connected"));
+    };
+
+    let limit = params.and_then(|p| p.limit).unwrap_or(100);
+
+    let rows = reward_redemptions::Entity::find()
+        .order_by_desc(reward_redemptions::Column::RedeemedAt)
+        .limit(limit)
+        .all(conn)
+        .await
+        .map_err(|e| e.to_string())?;
+
+    let data = rows
+        .into_iter()
+        .map(|row| RewardRedemptionDto {
+            id: row.id,
+            uuid: row.uuid,
+            student_name: row.student_name,
+            reward_id: row.reward_id,
+            reward_name: row.reward_name,
+            cost_points: row.cost_points,
+            redeemed_at: row.redeemed_at,
+        })
+        .collect();
+
+    Ok(IpcResponse::success(data))
+}

src-tauri/src/commands/student.rs

@@ -65,6 +65,7 @@ pub async fn student_query(
                         id: s.id,
                         name: s.name,
                         score: s.score,
+                        reward_points: s.reward_points,
                         tags: serde_json::from_str(&s.tags).unwrap_or_default(),
                         extra_json: s.extra_json,
                     })
@@ -120,6 +121,7 @@ pub async fn student_create(
                     id: sea_orm::ActiveValue::NotSet,
                     name: Set(name.to_string()),
                     score: Set(0),
+                    reward_points: Set(0),
                     tags: Set("[]".to_string()),
                     extra_json: Set(None),
                     created_at: Set(now.clone()),
@@ -176,6 +178,9 @@ pub async fn student_update(
                 if let Some(score) = data.score {
                     active.score = Set(score);
                 }
+                if let Some(reward_points) = data.reward_points {
+                    active.reward_points = Set(reward_points);
+                }
                 if let Some(tags) = data.tags {
                     active.tags =
                         Set(serde_json::to_string(&tags).unwrap_or_else(|_| "[]".to_string()));
@@ -227,6 +232,7 @@ pub async fn student_delete(
                     id: sea_orm::ActiveValue::Set(student.id),
                     name: sea_orm::ActiveValue::Unchanged(student.name),
                     score: sea_orm::ActiveValue::Unchanged(student.score),
+                    reward_points: sea_orm::ActiveValue::Unchanged(student.reward_points),
                     tags: sea_orm::ActiveValue::Unchanged(student.tags),
                     extra_json: sea_orm::ActiveValue::Unchanged(student.extra_json),
                     created_at: sea_orm::ActiveValue::Unchanged(student.created_at),
@@ -312,6 +318,7 @@ pub async fn student_import_from_xlsx(
                             id: sea_orm::ActiveValue::NotSet,
                             name: Set(name.to_string()),
                             score: Set(0),
+                            reward_points: Set(0),
                             tags: Set("[]".to_string()),
                             extra_json: Set(None),
                             created_at: Set(now.clone()),

src-tauri/src/db/entities/mod.rs

@@ -1,10 +1,14 @@
 pub mod reasons;
+pub mod reward_redemptions;
+pub mod reward_settings;
 pub mod score_events;
 pub mod student_tags;
 pub mod students;
 pub mod tags;
 
 pub use reasons::Entity as Reasons;
+pub use reward_redemptions::Entity as RewardRedemptions;
+pub use reward_settings::Entity as RewardSettings;
 pub use score_events::Entity as ScoreEvents;
 pub use student_tags::Entity as StudentTags;
 pub use students::Entity as Students;

src-tauri/src/db/entities/reward_redemptions.rs

@@ -0,0 +1,20 @@
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Serialize, Deserialize)]
+#[sea_orm(table_name = "reward_redemptions")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i32,
+    pub uuid: String,
+    pub student_name: String,
+    pub reward_id: i32,
+    pub reward_name: String,
+    pub cost_points: i32,
+    pub redeemed_at: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src-tauri/src/db/entities/reward_settings.rs

@@ -0,0 +1,18 @@
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Serialize, Deserialize)]
+#[sea_orm(table_name = "reward_settings")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i32,
+    pub name: String,
+    pub cost_points: i32,
+    pub created_at: String,
+    pub updated_at: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src-tauri/src/db/entities/students.rs

@@ -8,6 +8,7 @@ pub struct Model {
     pub id: i32,
     pub name: String,
     pub score: i32,
+    pub reward_points: i32,
     pub tags: String,
     pub extra_json: Option<String>,
     pub created_at: String,

src-tauri/src/db/migration.rs

@@ -19,6 +19,9 @@ impl Migration {
         Self::create_settings_table(conn, is_sqlite).await?;
         Self::create_tags_table(conn, is_sqlite).await?;
         Self::create_student_tags_table(conn, is_sqlite).await?;
+        Self::create_reward_settings_table(conn, is_sqlite).await?;
+        Self::create_reward_redemptions_table(conn, is_sqlite).await?;
+        Self::ensure_students_reward_points_column(conn, is_sqlite).await?;
 
         Self::create_indexes(conn, is_sqlite).await?;
 
@@ -93,11 +96,64 @@ impl Migration {
         Ok(())
     }
 
+    async fn create_reward_settings_table(
+        conn: &impl ConnectionTrait,
+        sqlite: bool,
+    ) -> Result<(), DbErr> {
+        let sql = get_create_reward_settings_table_sql(sqlite);
+        conn.execute(Statement::from_string(Self::get_db_backend(sqlite), sql))
+            .await?;
+        info!("Created reward_settings table");
+        Ok(())
+    }
+
+    async fn create_reward_redemptions_table(
+        conn: &impl ConnectionTrait,
+        sqlite: bool,
+    ) -> Result<(), DbErr> {
+        let sql = get_create_reward_redemptions_table_sql(sqlite);
+        conn.execute(Statement::from_string(Self::get_db_backend(sqlite), sql))
+            .await?;
+        info!("Created reward_redemptions table");
+        Ok(())
+    }
+
+    async fn ensure_students_reward_points_column(
+        conn: &impl ConnectionTrait,
+        sqlite: bool,
+    ) -> Result<(), DbErr> {
+        let db_backend = Self::get_db_backend(sqlite);
+        let exists_sql = if sqlite {
+            "SELECT 1 AS exists FROM pragma_table_info('students') WHERE name = 'reward_points' LIMIT 1"
+                .to_string()
+        } else {
+            "SELECT 1 AS exists FROM information_schema.columns WHERE table_name = 'students' AND column_name = 'reward_points' LIMIT 1"
+                .to_string()
+        };
+
+        let exists = conn
+            .query_one(Statement::from_string(db_backend.clone(), exists_sql))
+            .await?
+            .is_some();
+
+        if !exists {
+            let alter_sql = "ALTER TABLE students ADD COLUMN reward_points INTEGER DEFAULT 0";
+            conn.execute(Statement::from_string(db_backend.clone(), alter_sql.to_string()))
+                .await?;
+            info!("Added students.reward_points column");
+        }
+
+        Ok(())
+    }
+
     async fn create_indexes(conn: &impl ConnectionTrait, sqlite: bool) -> Result<(), DbErr> {
         let indexes = vec![
             get_create_index_score_events_settlement_id_sql(sqlite),
             get_create_index_score_events_student_name_sql(sqlite),
             get_create_index_reasons_content_sql(sqlite),
+            get_create_index_reward_settings_name_sql(sqlite),
+            get_create_index_reward_redemptions_student_name_sql(sqlite),
+            get_create_index_reward_redemptions_reward_id_sql(sqlite),
         ];
 
         for index_sql in indexes {
@@ -251,6 +307,8 @@ impl Migration {
             TABLE_REASONS,
             TABLE_TAGS,
             TABLE_STUDENTS,
+            TABLE_REWARD_REDEMPTIONS,
+            TABLE_REWARD_SETTINGS,
             TABLE_SETTINGS,
         ];
 

src-tauri/src/db/repositories/student_repo.rs

@@ -30,7 +30,7 @@ impl StudentRepository {
     pub async fn find_all(&self) -> Result<Vec<StudentWithTags>, sqlx::Error> {
         if let Some(pool) = &self.sqlite_pool {
             let students = sqlx::query_as::<Sqlite, Student>(
-                r#"SELECT id, name, score, tags, extra_json, created_at, updated_at 
+                r#"SELECT id, name, score, reward_points, tags, extra_json, created_at, updated_at 
                    FROM students 
                    ORDER BY score DESC, name ASC"#
             )
@@ -40,7 +40,7 @@ impl StudentRepository {
             Ok(students.into_iter().map(StudentWithTags::from).collect())
         } else if let Some(pool) = &self.postgres_pool {
             let students = sqlx::query_as::<Postgres, Student>(
-                r#"SELECT id, name, score, tags, extra_json, created_at, updated_at 
+                r#"SELECT id, name, score, reward_points, tags, extra_json, created_at, updated_at 
                    FROM students 
                    ORDER BY score DESC, name ASC"#
             )
@@ -59,8 +59,8 @@ impl StudentRepository {
         
         if let Some(pool) = &self.sqlite_pool {
             let result = sqlx::query(
-                r#"INSERT INTO students (name, score, tags, extra_json, created_at, updated_at) 
-                   VALUES (?, 0, '[]', NULL, ?, ?)"#
+                r#"INSERT INTO students (name, score, reward_points, tags, extra_json, created_at, updated_at) 
+                   VALUES (?, 0, 0, '[]', NULL, ?, ?)"#
             )
             .bind(name)
             .bind(&now)
@@ -71,8 +71,8 @@ impl StudentRepository {
             Ok(result.last_insert_rowid() as i32)
         } else if let Some(pool) = &self.postgres_pool {
             let result = sqlx::query_scalar::<Postgres, i32>(
-                r#"INSERT INTO students (name, score, tags, extra_json, created_at, updated_at) 
-                   VALUES ($1, 0, '[]', NULL, $2, $3) 
+                r#"INSERT INTO students (name, score, reward_points, tags, extra_json, created_at, updated_at) 
+                   VALUES ($1, 0, 0, '[]', NULL, $2, $3) 
                    RETURNING id"#
             )
             .bind(name)
@@ -102,6 +102,10 @@ impl StudentRepository {
                 query.push(", score = ");
                 query.push_bind(score);
             }
+            if let Some(reward_points) = data.reward_points {
+                query.push(", reward_points = ");
+                query.push_bind(reward_points);
+            }
             if let Some(tags) = &data.tags {
                 query.push(", tags = ");
                 query.push_bind(serde_json::to_string(tags).unwrap_or_else(|_| "[]".to_string()));
@@ -127,6 +131,10 @@ impl StudentRepository {
                 query.push(", score = ");
                 query.push_bind(score);
             }
+            if let Some(reward_points) = data.reward_points {
+                query.push(", reward_points = ");
+                query.push_bind(reward_points);
+            }
             if let Some(tags) = &data.tags {
                 query.push(", tags = ");
                 query.push_bind(serde_json::to_string(tags).unwrap_or_else(|_| "[]".to_string()));
@@ -148,7 +156,7 @@ impl StudentRepository {
     pub async fn delete(&self, id: i32) -> Result<(), sqlx::Error> {
         if let Some(pool) = &self.sqlite_pool {
             let student = sqlx::query_as::<Sqlite, Student>(
-                "SELECT id, name, score, tags, extra_json, created_at, updated_at FROM students WHERE id = ?"
+                "SELECT id, name, score, reward_points, tags, extra_json, created_at, updated_at FROM students WHERE id = ?"
             )
             .bind(id)
             .fetch_optional(pool)
@@ -171,7 +179,7 @@ impl StudentRepository {
             }
         } else if let Some(pool) = &self.postgres_pool {
             let student = sqlx::query_as::<Postgres, Student>(
-                "SELECT id, name, score, tags, extra_json, created_at, updated_at FROM students WHERE id = $1"
+                "SELECT id, name, score, reward_points, tags, extra_json, created_at, updated_at FROM students WHERE id = $1"
             )
             .bind(id)
             .fetch_optional(pool)
@@ -239,7 +247,7 @@ impl StudentRepository {
             
             for name in &to_insert {
                 sqlx::query(
-                    "INSERT INTO students (name, score, tags, extra_json, created_at, updated_at) VALUES (?, 0, '[]', NULL, ?, ?)"
+                    "INSERT INTO students (name, score, reward_points, tags, extra_json, created_at, updated_at) VALUES (?, 0, 0, '[]', NULL, ?, ?)"
                 )
                 .bind(name)
                 .bind(&now)
@@ -274,7 +282,7 @@ impl StudentRepository {
             
             for name in &to_insert {
                 sqlx::query(
-                    "INSERT INTO students (name, score, tags, extra_json, created_at, updated_at) VALUES ($1, 0, '[]', NULL, $2, $3)"
+                    "INSERT INTO students (name, score, reward_points, tags, extra_json, created_at, updated_at) VALUES ($1, 0, 0, '[]', NULL, $2, $3)"
                 )
                 .bind(name)
                 .bind(&now)
@@ -298,14 +306,14 @@ impl StudentRepository {
     pub async fn find_by_name(&self, name: &str) -> Result<Option<Student>, sqlx::Error> {
         if let Some(pool) = &self.sqlite_pool {
             sqlx::query_as::<Sqlite, Student>(
-                "SELECT id, name, score, tags, extra_json, created_at, updated_at FROM students WHERE name = ?"
+                "SELECT id, name, score, reward_points, tags, extra_json, created_at, updated_at FROM students WHERE name = ?"
             )
             .bind(name)
             .fetch_optional(pool)
             .await
         } else if let Some(pool) = &self.postgres_pool {
             sqlx::query_as::<Postgres, Student>(
-                "SELECT id, name, score, tags, extra_json, created_at, updated_at FROM students WHERE name = $1"
+                "SELECT id, name, score, reward_points, tags, extra_json, created_at, updated_at FROM students WHERE name = $1"
             )
             .bind(name)
             .fetch_optional(pool)

src-tauri/src/db/schema.rs

@@ -5,6 +5,8 @@ pub const TABLE_SETTLEMENTS: &str = "settlements";
 pub const TABLE_SETTINGS: &str = "settings";
 pub const TABLE_TAGS: &str = "tags";
 pub const TABLE_STUDENT_TAGS: &str = "student_tags";
+pub const TABLE_REWARD_SETTINGS: &str = "reward_settings";
+pub const TABLE_REWARD_REDEMPTIONS: &str = "reward_redemptions";
 
 pub mod students {
     pub const TABLE: &str = "students";
@@ -12,6 +14,7 @@ pub mod students {
     pub const NAME: &str = "name";
     pub const TAGS: &str = "tags";
     pub const SCORE: &str = "score";
+    pub const REWARD_POINTS: &str = "reward_points";
     pub const EXTRA_JSON: &str = "extra_json";
     pub const CREATED_AT: &str = "created_at";
     pub const UPDATED_AT: &str = "updated_at";
@@ -70,6 +73,26 @@ pub mod student_tags {
     pub const CREATED_AT: &str = "created_at";
 }
 
+pub mod reward_settings {
+    pub const TABLE: &str = "reward_settings";
+    pub const ID: &str = "id";
+    pub const NAME: &str = "name";
+    pub const COST_POINTS: &str = "cost_points";
+    pub const CREATED_AT: &str = "created_at";
+    pub const UPDATED_AT: &str = "updated_at";
+}
+
+pub mod reward_redemptions {
+    pub const TABLE: &str = "reward_redemptions";
+    pub const ID: &str = "id";
+    pub const UUID: &str = "uuid";
+    pub const STUDENT_NAME: &str = "student_name";
+    pub const REWARD_ID: &str = "reward_id";
+    pub const REWARD_NAME: &str = "reward_name";
+    pub const COST_POINTS: &str = "cost_points";
+    pub const REDEEMED_AT: &str = "redeemed_at";
+}
+
 pub fn get_create_students_table_sql(sqlite: bool) -> String {
     if sqlite {
         r#"
@@ -78,6 +101,7 @@ pub fn get_create_students_table_sql(sqlite: bool) -> String {
             name TEXT NOT NULL,
             tags TEXT DEFAULT '[]',
             score INTEGER DEFAULT 0,
+            reward_points INTEGER DEFAULT 0,
             extra_json TEXT,
             created_at TEXT DEFAULT (datetime('now', 'localtime')),
             updated_at TEXT DEFAULT (datetime('now', 'localtime'))
@@ -91,6 +115,7 @@ pub fn get_create_students_table_sql(sqlite: bool) -> String {
             name TEXT NOT NULL,
             tags TEXT DEFAULT '[]',
             score INTEGER DEFAULT 0,
+            reward_points INTEGER DEFAULT 0,
             extra_json TEXT,
             created_at TEXT DEFAULT (to_char(CURRENT_TIMESTAMP, 'YYYY-MM-DD"T"HH24:MI:SS"Z"')),
             updated_at TEXT DEFAULT (to_char(CURRENT_TIMESTAMP, 'YYYY-MM-DD"T"HH24:MI:SS"Z"'))
@@ -100,6 +125,62 @@ pub fn get_create_students_table_sql(sqlite: bool) -> String {
     }
 }
 
+pub fn get_create_reward_settings_table_sql(sqlite: bool) -> String {
+    if sqlite {
+        r#"
+        CREATE TABLE IF NOT EXISTS reward_settings (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL UNIQUE,
+            cost_points INTEGER NOT NULL,
+            created_at TEXT DEFAULT (datetime('now', 'localtime')),
+            updated_at TEXT DEFAULT (datetime('now', 'localtime'))
+        )
+        "#
+        .to_string()
+    } else {
+        r#"
+        CREATE TABLE IF NOT EXISTS reward_settings (
+            id SERIAL PRIMARY KEY,
+            name TEXT NOT NULL UNIQUE,
+            cost_points INTEGER NOT NULL,
+            created_at TEXT DEFAULT (to_char(CURRENT_TIMESTAMP, 'YYYY-MM-DD"T"HH24:MI:SS"Z"')),
+            updated_at TEXT DEFAULT (to_char(CURRENT_TIMESTAMP, 'YYYY-MM-DD"T"HH24:MI:SS"Z"'))
+        )
+        "#
+        .to_string()
+    }
+}
+
+pub fn get_create_reward_redemptions_table_sql(sqlite: bool) -> String {
+    if sqlite {
+        r#"
+        CREATE TABLE IF NOT EXISTS reward_redemptions (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            uuid TEXT NOT NULL UNIQUE,
+            student_name TEXT NOT NULL,
+            reward_id INTEGER NOT NULL,
+            reward_name TEXT NOT NULL,
+            cost_points INTEGER NOT NULL,
+            redeemed_at TEXT DEFAULT (datetime('now', 'localtime'))
+        )
+        "#
+        .to_string()
+    } else {
+        r#"
+        CREATE TABLE IF NOT EXISTS reward_redemptions (
+            id SERIAL PRIMARY KEY,
+            uuid TEXT NOT NULL UNIQUE,
+            student_name TEXT NOT NULL,
+            reward_id INTEGER NOT NULL,
+            reward_name TEXT NOT NULL,
+            cost_points INTEGER NOT NULL,
+            redeemed_at TEXT DEFAULT (to_char(CURRENT_TIMESTAMP, 'YYYY-MM-DD"T"HH24:MI:SS"Z"'))
+        )
+        "#
+        .to_string()
+    }
+}
+
 pub fn get_create_reasons_table_sql(sqlite: bool) -> String {
     if sqlite {
         r#"
@@ -260,6 +341,20 @@ pub fn get_create_student_tags_table_sql(sqlite: bool) -> String {
     }
 }
 
+pub fn get_create_index_reward_settings_name_sql(_sqlite: bool) -> String {
+    "CREATE INDEX IF NOT EXISTS idx_reward_settings_name ON reward_settings(name)".to_string()
+}
+
+pub fn get_create_index_reward_redemptions_student_name_sql(_sqlite: bool) -> String {
+    "CREATE INDEX IF NOT EXISTS idx_reward_redemptions_student_name ON reward_redemptions(student_name)"
+        .to_string()
+}
+
+pub fn get_create_index_reward_redemptions_reward_id_sql(_sqlite: bool) -> String {
+    "CREATE INDEX IF NOT EXISTS idx_reward_redemptions_reward_id ON reward_redemptions(reward_id)"
+        .to_string()
+}
+
 pub fn get_create_index_score_events_settlement_id_sql(sqlite: bool) -> String {
     if sqlite {
         "CREATE INDEX IF NOT EXISTS idx_score_events_settlement_id ON score_events(settlement_id)"

src-tauri/src/lib.rs

@@ -47,6 +47,12 @@ pub fn run() {
             reason_create,
             reason_update,
             reason_delete,
+            reward_setting_query,
+            reward_setting_create,
+            reward_setting_update,
+            reward_setting_delete,
+            reward_redeem,
+            reward_redemption_query,
             event_query,
             event_create,
             event_delete,

src-tauri/src/models/student.rs

@@ -5,6 +5,7 @@ pub struct Student {
     pub id: i32,
     pub name: String,
     pub score: i32,
+    pub reward_points: i32,
     pub tags: String,
     pub extra_json: Option<String>,
     pub created_at: String,
@@ -15,6 +16,7 @@ pub struct Student {
 pub struct StudentUpdate {
     pub name: Option<String>,
     pub score: Option<i32>,
+    pub reward_points: Option<i32>,
     pub tags: Option<Vec<String>>,
     pub extra_json: Option<String>,
 }
@@ -24,6 +26,7 @@ pub struct StudentWithTags {
     pub id: i32,
     pub name: String,
     pub score: i32,
+    pub reward_points: i32,
     pub tags: Vec<String>,
     pub extra_json: Option<String>,
 }
@@ -35,6 +38,7 @@ impl From<Student> for StudentWithTags {
             id: student.id,
             name: student.name,
             score: student.score,
+            reward_points: student.reward_points,
             tags,
             extra_json: student.extra_json,
         }

src/App.tsx

@@ -73,6 +73,8 @@ function MainContent(): React.JSX.Element {
     if (p.startsWith("/settlements")) return "settlements"
     if (p.startsWith("/reasons")) return "reasons"
     if (p.startsWith("/auto-score")) return "auto-score"
+    if (p.startsWith("/reward-exchange")) return "reward-exchange"
+    if (p.startsWith("/reward-settings")) return "reward-settings"
     if (p.startsWith("/settings")) return "settings"
     return "home"
   }, [location.pathname])
@@ -272,6 +274,8 @@ function MainContent(): React.JSX.Element {
     if (key === "settlements") navigate("/settlements")
     if (key === "reasons") navigate("/reasons")
     if (key === "auto-score") navigate("/auto-score")
+    if (key === "reward-exchange") navigate("/reward-exchange")
+    if (key === "reward-settings") navigate("/reward-settings")
     if (key === "settings") navigate("/settings")
   }
 

src/components/ContentArea.tsx

@@ -13,6 +13,8 @@ const loadScoreManager = () => import("./ScoreManager")
 const loadLeaderboard = () => import("./Leaderboard")
 const loadSettlementHistory = () => import("./SettlementHistory")
 const loadAutoScoreManager = () => import("./AutoScoreManager")
+const loadRewardExchange = () => import("./RewardExchange")
+const loadRewardSettings = () => import("./RewardSettings")
 
 const Home = lazy(() => loadHome().then((m) => ({ default: m.Home })))
 const StudentManager = lazy(() => loadStudentManager().then((m) => ({ default: m.StudentManager })))
@@ -26,6 +28,12 @@ const SettlementHistory = lazy(() =>
 const AutoScoreManager = lazy(() =>
   loadAutoScoreManager().then((m) => ({ default: m.AutoScoreManager }))
 )
+const RewardExchange = lazy(() =>
+  loadRewardExchange().then((m) => ({ default: m.RewardExchange }))
+)
+const RewardSettings = lazy(() =>
+  loadRewardSettings().then((m) => ({ default: m.RewardSettings }))
+)
 
 const warmupRouteChunks = () =>
   Promise.allSettled([
@@ -37,6 +45,8 @@ const warmupRouteChunks = () =>
     loadLeaderboard(),
     loadSettlementHistory(),
     loadAutoScoreManager(),
+    loadRewardExchange(),
+    loadRewardSettings(),
   ])
 
 const { Content } = Layout
@@ -235,6 +245,14 @@ export function ContentArea({
             <Route path="/settlements" element={<SettlementHistory />} />
             <Route path="/reasons" element={<ReasonManager canEdit={permission === "admin"} />} />
             <Route path="/auto-score" element={<AutoScoreManager />} />
+            <Route
+              path="/reward-exchange"
+              element={<RewardExchange canEdit={permission === "admin" || permission === "points"} />}
+            />
+            <Route
+              path="/reward-settings"
+              element={<RewardSettings canEdit={permission === "admin"} />}
+            />
             <Route path="/settings" element={<Settings permission={permission} />} />
             <Route path="*" element={<Navigate to="/" replace />} />
           </Routes>

src/components/RewardExchange.tsx

@@ -0,0 +1,266 @@
+import React, { useCallback, useEffect, useMemo, useState } from "react"
+import { Button, Card, Modal, Table, Tag, message } from "antd"
+import type { ColumnsType } from "antd/es/table"
+import { useTranslation } from "react-i18next"
+
+interface StudentItem {
+  id: number
+  name: string
+  score: number
+  reward_points: number
+}
+
+interface RewardItem {
+  id: number
+  name: string
+  cost_points: number
+}
+
+interface RedemptionItem {
+  id: number
+  uuid: string
+  student_name: string
+  reward_id: number
+  reward_name: string
+  cost_points: number
+  redeemed_at: string
+}
+
+export const RewardExchange: React.FC<{ canEdit: boolean }> = ({ canEdit }) => {
+  const { t } = useTranslation()
+  const [students, setStudents] = useState<StudentItem[]>([])
+  const [rewards, setRewards] = useState<RewardItem[]>([])
+  const [records, setRecords] = useState<RedemptionItem[]>([])
+  const [loading, setLoading] = useState(false)
+  const [exchangeMode, setExchangeMode] = useState(false)
+  const [selectedStudent, setSelectedStudent] = useState<StudentItem | null>(null)
+  const [chooseRewardVisible, setChooseRewardVisible] = useState(false)
+  const [messageApi, contextHolder] = message.useMessage()
+
+  const emitDataUpdated = () => {
+    window.dispatchEvent(new CustomEvent("ss:data-updated", { detail: { category: "all" } }))
+  }
+
+  const fetchData = useCallback(async () => {
+    if (!(window as any).api) return
+    setLoading(true)
+    try {
+      const [stuRes, rewardRes, recordRes] = await Promise.all([
+        (window as any).api.queryStudents({}),
+        (window as any).api.rewardSettingQuery(),
+        (window as any).api.rewardRedemptionQuery({ limit: 100 }),
+      ])
+
+      if (stuRes.success && Array.isArray(stuRes.data)) {
+        setStudents(stuRes.data)
+      }
+      if (rewardRes.success && Array.isArray(rewardRes.data)) {
+        setRewards(rewardRes.data)
+      }
+      if (recordRes.success && Array.isArray(recordRes.data)) {
+        setRecords(recordRes.data)
+      }
+    } finally {
+      setLoading(false)
+    }
+  }, [])
+
+  useEffect(() => {
+    fetchData()
+    const onDataUpdated = (e: any) => {
+      const category = e?.detail?.category
+      if (category === "all" || category === "students" || category === "events") {
+        fetchData()
+      }
+    }
+    window.addEventListener("ss:data-updated", onDataUpdated as any)
+    return () => window.removeEventListener("ss:data-updated", onDataUpdated as any)
+  }, [fetchData])
+
+  const sortedStudents = useMemo(
+    () => [...students].sort((a, b) => b.reward_points - a.reward_points || a.name.localeCompare(b.name, "zh-CN")),
+    [students]
+  )
+
+  const affordableRewards = useMemo(() => {
+    if (!selectedStudent) return []
+    return rewards.filter((r) => r.cost_points <= selectedStudent.reward_points)
+  }, [rewards, selectedStudent])
+
+  const handleStudentClick = (student: StudentItem) => {
+    if (!exchangeMode) return
+    if (!canEdit) {
+      messageApi.error(t("common.readOnly"))
+      return
+    }
+    setSelectedStudent(student)
+    setChooseRewardVisible(true)
+  }
+
+  const handleRedeem = async (reward: RewardItem) => {
+    if (!(window as any).api || !selectedStudent) return
+    if (!canEdit) {
+      messageApi.error(t("common.readOnly"))
+      return
+    }
+
+    const res = await (window as any).api.rewardRedeem({
+      student_name: selectedStudent.name,
+      reward_id: reward.id,
+    })
+
+    if (res.success) {
+      messageApi.success(
+        t("rewardExchange.redeemSuccess", {
+          student: selectedStudent.name,
+          reward: reward.name,
+          points: reward.cost_points,
+        })
+      )
+      setChooseRewardVisible(false)
+      setSelectedStudent(null)
+      setExchangeMode(false)
+      fetchData()
+      emitDataUpdated()
+    } else {
+      messageApi.error(res.message || t("rewardExchange.redeemFailed"))
+    }
+  }
+
+  const columns: ColumnsType<RedemptionItem> = [
+    { title: t("rewardExchange.recordStudent"), dataIndex: "student_name", key: "student_name", width: 120 },
+    { title: t("rewardExchange.recordReward"), dataIndex: "reward_name", key: "reward_name" },
+    {
+      title: t("rewardExchange.recordCost"),
+      dataIndex: "cost_points",
+      key: "cost_points",
+      width: 120,
+      render: (v: number) => <Tag color="gold">-{v}</Tag>,
+    },
+    {
+      title: t("rewardExchange.recordTime"),
+      dataIndex: "redeemed_at",
+      key: "redeemed_at",
+      width: 180,
+      render: (time: string) => new Date(time).toLocaleString(),
+    },
+  ]
+
+  return (
+    <div style={{ padding: "24px" }}>
+      {contextHolder}
+      <div style={{ display: "flex", justifyContent: "space-between", alignItems: "center", marginBottom: "16px" }}>
+        <h2 style={{ margin: 0, color: "var(--ss-text-main)" }}>{t("rewardExchange.title")}</h2>
+        <Button
+          type={exchangeMode ? "default" : "primary"}
+          disabled={!canEdit}
+          onClick={() => {
+            if (!canEdit) {
+              messageApi.error(t("common.readOnly"))
+              return
+            }
+            setExchangeMode((prev) => !prev)
+          }}
+        >
+          {exchangeMode ? t("rewardExchange.exitMode") : t("rewardExchange.enterMode")}
+        </Button>
+      </div>
+
+      <div style={{ marginBottom: "12px", color: "var(--ss-text-secondary)", fontSize: 13 }}>
+        {exchangeMode ? t("rewardExchange.modeHint") : t("rewardExchange.normalHint")}
+      </div>
+
+      <div
+        style={{
+          display: "grid",
+          gridTemplateColumns: "repeat(auto-fill, minmax(180px, 1fr))",
+          gap: "12px",
+          marginBottom: "24px",
+        }}
+      >
+        {sortedStudents.map((student) => {
+          const points = exchangeMode ? student.reward_points : student.score
+          return (
+            <Card
+              key={student.id}
+              hoverable={exchangeMode}
+              onClick={() => handleStudentClick(student)}
+              style={{
+                cursor: exchangeMode ? "pointer" : "default",
+                border: exchangeMode ? "1px solid var(--ant-color-primary, #1677ff)" : "1px solid var(--ss-border-color)",
+              }}
+              bodyStyle={{ padding: "12px" }}
+            >
+              <div style={{ fontWeight: 600, marginBottom: 8 }}>{student.name}</div>
+              <Tag color={points > 0 ? "success" : points < 0 ? "error" : "default"}>
+                {points > 0 ? `+${points}` : points}
+              </Tag>
+              <div style={{ marginTop: 8, fontSize: 12, color: "var(--ss-text-secondary)" }}>
+                {exchangeMode ? t("rewardExchange.remainingRewardPoints") : t("rewardExchange.currentScore")}
+              </div>
+            </Card>
+          )
+        })}
+      </div>
+
+      <Card title={t("rewardExchange.recordsTitle")} loading={loading}>
+        <Table
+          rowKey="uuid"
+          dataSource={records}
+          columns={columns}
+          pagination={{ pageSize: 10, total: records.length, defaultCurrent: 1 }}
+        />
+      </Card>
+
+      <Modal
+        title={t("rewardExchange.chooseRewardTitle", { name: selectedStudent?.name || "" })}
+        open={chooseRewardVisible}
+        onCancel={() => {
+          setChooseRewardVisible(false)
+          setSelectedStudent(null)
+        }}
+        footer={null}
+        destroyOnHidden
+      >
+        {!selectedStudent ? null : (
+          <>
+            <div style={{ marginBottom: "12px", color: "var(--ss-text-secondary)", fontSize: 13 }}>
+              {t("rewardExchange.currentRewardPoints", { points: selectedStudent.reward_points })}
+            </div>
+            {affordableRewards.length === 0 ? (
+              <div style={{ color: "var(--ss-text-secondary)" }}>{t("rewardExchange.noAffordableRewards")}</div>
+            ) : (
+              <div style={{ display: "flex", flexDirection: "column", gap: 8 }}>
+                {affordableRewards
+                  .sort((a, b) => a.cost_points - b.cost_points || a.name.localeCompare(b.name, "zh-CN"))
+                  .map((reward) => (
+                    <div
+                      key={reward.id}
+                      style={{
+                        border: "1px solid var(--ss-border-color)",
+                        borderRadius: 8,
+                        padding: "10px 12px",
+                        display: "flex",
+                        justifyContent: "space-between",
+                        alignItems: "center",
+                      }}
+                    >
+                      <div>
+                        <div style={{ fontWeight: 600 }}>{reward.name}</div>
+                        <div style={{ fontSize: 12, color: "var(--ss-text-secondary)" }}>
+                          {t("rewardExchange.costLabel", { points: reward.cost_points })}
+                        </div>
+                      </div>
+                      <Button type="primary" onClick={() => handleRedeem(reward)}>
+                        {t("rewardExchange.redeemNow")}
+                      </Button>
+                    </div>
+                  ))}
+              </div>
+            )}
+          </>
+        )}
+      </Modal>
+    </div>
+  )
+}

src/components/RewardSettings.tsx

@@ -0,0 +1,205 @@
+import React, { useCallback, useEffect, useState } from "react"
+import { Button, Form, Input, InputNumber, Modal, Popconfirm, Table, message } from "antd"
+import type { ColumnsType } from "antd/es/table"
+import { useTranslation } from "react-i18next"
+
+interface RewardItem {
+  id: number
+  name: string
+  cost_points: number
+  created_at: string
+  updated_at: string
+}
+
+export const RewardSettings: React.FC<{ canEdit: boolean }> = ({ canEdit }) => {
+  const { t } = useTranslation()
+  const [data, setData] = useState<RewardItem[]>([])
+  const [loading, setLoading] = useState(false)
+  const [visible, setVisible] = useState(false)
+  const [editing, setEditing] = useState<RewardItem | null>(null)
+  const [form] = Form.useForm()
+  const [messageApi, contextHolder] = message.useMessage()
+
+  const emitDataUpdated = () => {
+    window.dispatchEvent(new CustomEvent("ss:data-updated", { detail: { category: "all" } }))
+  }
+
+  const fetchRewards = useCallback(async () => {
+    if (!(window as any).api) return
+    setLoading(true)
+    try {
+      const res = await (window as any).api.rewardSettingQuery()
+      if (res.success && Array.isArray(res.data)) {
+        setData(res.data)
+      }
+    } finally {
+      setLoading(false)
+    }
+  }, [])
+
+  useEffect(() => {
+    fetchRewards()
+  }, [fetchRewards])
+
+  const openCreate = () => {
+    if (!canEdit) {
+      messageApi.error(t("common.readOnly"))
+      return
+    }
+    setEditing(null)
+    form.setFieldsValue({ name: "", cost_points: 1 })
+    setVisible(true)
+  }
+
+  const openEdit = (item: RewardItem) => {
+    if (!canEdit) {
+      messageApi.error(t("common.readOnly"))
+      return
+    }
+    setEditing(item)
+    form.setFieldsValue({ name: item.name, cost_points: item.cost_points })
+    setVisible(true)
+  }
+
+  const handleDelete = async (item: RewardItem) => {
+    if (!(window as any).api) return
+    if (!canEdit) {
+      messageApi.error(t("common.readOnly"))
+      return
+    }
+
+    const res = await (window as any).api.rewardSettingDelete(item.id)
+    if (res.success) {
+      messageApi.success(t("rewardSettings.deleteSuccess"))
+      fetchRewards()
+      emitDataUpdated()
+    } else {
+      messageApi.error(res.message || t("rewardSettings.deleteFailed"))
+    }
+  }
+
+  const handleSave = async () => {
+    if (!(window as any).api) return
+    if (!canEdit) {
+      messageApi.error(t("common.readOnly"))
+      return
+    }
+
+    const values = await form.validateFields()
+    const payload = {
+      name: String(values.name || "").trim(),
+      cost_points: Number(values.cost_points),
+    }
+
+    if (!payload.name) {
+      messageApi.warning(t("rewardSettings.nameRequired"))
+      return
+    }
+    if (!Number.isFinite(payload.cost_points) || payload.cost_points <= 0) {
+      messageApi.warning(t("rewardSettings.costRequired"))
+      return
+    }
+
+    const res = editing
+      ? await (window as any).api.rewardSettingUpdate(editing.id, payload)
+      : await (window as any).api.rewardSettingCreate(payload)
+
+    if (res.success) {
+      messageApi.success(editing ? t("rewardSettings.updateSuccess") : t("rewardSettings.createSuccess"))
+      setVisible(false)
+      form.resetFields()
+      setEditing(null)
+      fetchRewards()
+      emitDataUpdated()
+    } else {
+      messageApi.error(res.message || (editing ? t("rewardSettings.updateFailed") : t("rewardSettings.createFailed")))
+    }
+  }
+
+  const columns: ColumnsType<RewardItem> = [
+    {
+      title: t("rewardSettings.rewardName"),
+      dataIndex: "name",
+      key: "name",
+    },
+    {
+      title: t("rewardSettings.costPoints"),
+      dataIndex: "cost_points",
+      key: "cost_points",
+      width: 140,
+      render: (v: number) => <b>{v}</b>,
+    },
+    {
+      title: t("common.operation"),
+      key: "operation",
+      width: 180,
+      render: (_, row) => (
+        <>
+          <Button type="link" disabled={!canEdit} onClick={() => openEdit(row)}>
+            {t("common.edit")}
+          </Button>
+          <Popconfirm
+            title={t("rewardSettings.deleteConfirm", { name: row.name })}
+            onConfirm={() => handleDelete(row)}
+            disabled={!canEdit}
+          >
+            <Button type="link" danger disabled={!canEdit}>
+              {t("common.delete")}
+            </Button>
+          </Popconfirm>
+        </>
+      ),
+    },
+  ]
+
+  return (
+    <div style={{ padding: "24px" }}>
+      {contextHolder}
+      <div style={{ display: "flex", justifyContent: "space-between", marginBottom: "16px" }}>
+        <h2 style={{ margin: 0, color: "var(--ss-text-main)" }}>{t("rewardSettings.title")}</h2>
+        <Button type="primary" disabled={!canEdit} onClick={openCreate}>
+          {t("rewardSettings.addReward")}
+        </Button>
+      </div>
+
+      <Table
+        dataSource={data}
+        columns={columns}
+        rowKey="id"
+        loading={loading}
+        bordered
+        pagination={{ pageSize: 50, total: data.length, defaultCurrent: 1 }}
+      />
+
+      <Modal
+        title={editing ? t("rewardSettings.editTitle") : t("rewardSettings.addTitle")}
+        open={visible}
+        onOk={handleSave}
+        onCancel={() => {
+          setVisible(false)
+          setEditing(null)
+        }}
+        okText={t("common.save")}
+        cancelText={t("common.cancel")}
+        destroyOnHidden
+      >
+        <Form form={form} layout="vertical" initialValues={{ cost_points: 1 }}>
+          <Form.Item
+            label={t("rewardSettings.rewardName")}
+            name="name"
+            rules={[{ required: true, message: t("rewardSettings.nameRequired") }]}
+          >
+            <Input placeholder={t("rewardSettings.namePlaceholder")} maxLength={64} />
+          </Form.Item>
+          <Form.Item
+            label={t("rewardSettings.costPoints")}
+            name="cost_points"
+            rules={[{ required: true, message: t("rewardSettings.costRequired") }]}
+          >
+            <InputNumber min={1} style={{ width: "100%" }} placeholder={t("rewardSettings.costPlaceholder")} />
+          </Form.Item>
+        </Form>
+      </Modal>
+    </div>
+  )
+}

src/components/Sidebar.tsx

@@ -9,6 +9,8 @@ import {
   FileTextOutlined,
   CloudOutlined,
   UploadOutlined,
+  GiftOutlined,
+  AppstoreAddOutlined,
 } from "@ant-design/icons"
 import { useState, useEffect } from "react"
 import { useTranslation } from "react-i18next"
@@ -166,6 +168,17 @@ export function Sidebar({
       icon: <SyncOutlined />,
       label: t("sidebar.autoScore"),
     },
+    {
+      key: "reward-exchange",
+      icon: <GiftOutlined />,
+      label: t("sidebar.rewardExchange"),
+    },
+    {
+      key: "reward-settings",
+      icon: <AppstoreAddOutlined />,
+      label: t("sidebar.rewardSettings"),
+      disabled: permission !== "admin",
+    },
     {
       key: "leaderboard",
       icon: <UnorderedListOutlined />,

src/i18n/locales/en-US.json

@@ -310,6 +310,8 @@
     "settlements": "Settlements",
     "reasons": "Reasons",
     "autoScore": "Auto Score",
+    "rewardExchange": "Reward Exchange",
+    "rewardSettings": "Reward Settings",
     "settings": "Settings",
     "remoteDb": "Remote Database",
     "refreshStatus": "Refresh Status",
@@ -516,6 +518,46 @@
     "deleteFailed": "Delete failed",
     "others": "Others"
   },
+  "rewardExchange": {
+    "title": "Reward Exchange",
+    "enterMode": "Enter Exchange Mode",
+    "exitMode": "Exit Exchange Mode",
+    "modeHint": "Reward exchange mode is active. Click a student card to choose an available reward.",
+    "normalHint": "Current cards show original score. Enter mode to display redeemable reward points.",
+    "remainingRewardPoints": "Remaining Reward Points",
+    "currentScore": "Current Score",
+    "chooseRewardTitle": "Choose Reward for {{name}}",
+    "currentRewardPoints": "Current reward points: {{points}}",
+    "costLabel": "Cost points: {{points}}",
+    "redeemNow": "Redeem",
+    "noAffordableRewards": "No rewards can be redeemed now. Earn more points first.",
+    "redeemSuccess": "{{student}} redeemed \"{{reward}}\" and spent {{points}} points",
+    "redeemFailed": "Redeem failed",
+    "recordsTitle": "Redemption Records",
+    "recordStudent": "Student",
+    "recordReward": "Reward",
+    "recordCost": "Cost",
+    "recordTime": "Redeemed At"
+  },
+  "rewardSettings": {
+    "title": "Reward Settings",
+    "addReward": "Add Reward",
+    "addTitle": "Add Reward",
+    "editTitle": "Edit Reward",
+    "rewardName": "Reward Name",
+    "costPoints": "Cost Points",
+    "namePlaceholder": "e.g. Homework-Free Card",
+    "costPlaceholder": "Enter cost points",
+    "nameRequired": "Please enter reward name",
+    "costRequired": "Please enter positive integer points",
+    "createSuccess": "Reward created",
+    "createFailed": "Create reward failed",
+    "updateSuccess": "Reward updated",
+    "updateFailed": "Update reward failed",
+    "deleteSuccess": "Reward deleted",
+    "deleteFailed": "Delete reward failed",
+    "deleteConfirm": "Delete reward \"{{name}}\"?"
+  },
   "leaderboard": {
     "title": "Points Leaderboard",
     "rank": "Rank",

src/i18n/locales/zh-CN.json

@@ -310,6 +310,8 @@
     "settlements": "结算历史",
     "reasons": "理由管理",
     "autoScore": "自动加分",
+    "rewardExchange": "奖励兑换",
+    "rewardSettings": "奖励设置",
     "settings": "系统设置",
     "remoteDb": "远程数据库",
     "refreshStatus": "刷新状态",
@@ -516,6 +518,46 @@
     "deleteFailed": "删除失败",
     "others": "其他"
   },
+  "rewardExchange": {
+    "title": "奖励兑换",
+    "enterMode": "进入奖励兑换模式",
+    "exitMode": "退出奖励兑换模式",
+    "modeHint": "当前为奖励兑换模式，点击学生卡可选择可兑换奖励。",
+    "normalHint": "当前显示学生原始积分，点击按钮后将显示可兑换积分。",
+    "remainingRewardPoints": "剩余兑换积分",
+    "currentScore": "当前积分",
+    "chooseRewardTitle": "为 {{name}} 选择奖励",
+    "currentRewardPoints": "当前可兑换积分：{{points}}",
+    "costLabel": "消耗积分：{{points}}",
+    "redeemNow": "立即兑换",
+    "noAffordableRewards": "当前没有可兑换的奖励，请先积累积分。",
+    "redeemSuccess": "{{student}} 成功兑换「{{reward}}」，消耗 {{points}} 分",
+    "redeemFailed": "兑换失败",
+    "recordsTitle": "兑换记录",
+    "recordStudent": "学生",
+    "recordReward": "奖励",
+    "recordCost": "消耗积分",
+    "recordTime": "兑换时间"
+  },
+  "rewardSettings": {
+    "title": "奖励设置",
+    "addReward": "添加奖励",
+    "addTitle": "添加奖励",
+    "editTitle": "编辑奖励",
+    "rewardName": "奖励名称",
+    "costPoints": "消耗积分",
+    "namePlaceholder": "例如：免作业券",
+    "costPlaceholder": "请输入消耗积分",
+    "nameRequired": "请输入奖励名称",
+    "costRequired": "请输入正整数积分",
+    "createSuccess": "奖励创建成功",
+    "createFailed": "奖励创建失败",
+    "updateSuccess": "奖励更新成功",
+    "updateFailed": "奖励更新失败",
+    "deleteSuccess": "奖励删除成功",
+    "deleteFailed": "奖励删除失败",
+    "deleteConfirm": "确认删除奖励「{{name}}」？"
+  },
   "leaderboard": {
     "title": "积分排行榜",
     "rank": "排名",

src/preload/types.ts

@@ -100,6 +100,28 @@ const api = {
     invoke("reason_update", { id, data }),
   deleteReason: (id: number): Promise<{ success: boolean }> => invoke("reason_delete", { id }),
 
+  // DB - Reward
+  rewardSettingQuery: (): Promise<{ success: boolean; data: any[] }> => invoke("reward_setting_query"),
+  rewardSettingCreate: (data: {
+    name: string
+    cost_points: number
+  }): Promise<{ success: boolean; data?: number; message?: string }> =>
+    invoke("reward_setting_create", { data }),
+  rewardSettingUpdate: (id: number, data: any): Promise<{ success: boolean; message?: string }> =>
+    invoke("reward_setting_update", { id, data }),
+  rewardSettingDelete: (id: number): Promise<{ success: boolean; message?: string }> =>
+    invoke("reward_setting_delete", { id }),
+  rewardRedeem: (data: {
+    student_name: string
+    reward_id: number
+  }): Promise<{
+    success: boolean
+    data?: { redemption_id: number; remaining_reward_points: number }
+    message?: string
+  }> => invoke("reward_redeem", { data }),
+  rewardRedemptionQuery: (params?: { limit?: number }): Promise<{ success: boolean; data: any[] }> =>
+    invoke("reward_redemption_query", { params }),
+
   // DB - Event
   queryEvents: (params?: { limit?: number }): Promise<{ success: boolean; data: any[] }> =>
     invoke("event_query", { params }),