feat: Implement person and tag management services

- Added `Person` and `Tag` models to the core library.
- Created `PersonService` and `TagService` traits with implementations for managing persons and tags.
- Introduced repositories for `Person`, `Tag`, `FaceRegion`, and `PersonShare` with PostgreSQL support.
- Updated authorization logic to include permissions for accessing and editing persons.
- Enhanced the schema to support new models and relationships.
- Implemented database migrations for new tables related to persons and tags.
- Added request and response structures for API interactions with persons and tags.

libertas_infra/src/db_models.rs

@@ -76,4 +76,44 @@ pub struct PostgresAlbumShare {
     pub album_id: uuid::Uuid,
     pub user_id: uuid::Uuid,
     pub permission: PostgresAlbumPermission,
+}
+
+#[derive(sqlx::FromRow)]
+pub struct PostgresTag {
+    pub id: uuid::Uuid,
+    pub name: String,
+}
+
+#[derive(sqlx::FromRow)]
+pub struct PostgresPerson {
+    pub id: uuid::Uuid,
+    pub owner_id: uuid::Uuid,
+    pub name: String,
+}
+
+#[derive(sqlx::FromRow)]
+pub struct PostgresFaceRegion {
+    pub id: uuid::Uuid,
+    pub media_id: uuid::Uuid,
+    pub person_id: Option<uuid::Uuid>,
+    pub x_min: f32,
+    pub y_min: f32,
+    pub x_max: f32,
+    pub y_max: f32,
+}
+
+#[derive(Debug, Clone, Copy, sqlx::Type, PartialEq, Eq, Deserialize)]
+#[sqlx(rename_all = "lowercase")]
+#[sqlx(type_name = "person_permission")]
+pub enum PostgresPersonPermission {
+    View,
+    CanUse,
+}
+
+#[derive(sqlx::FromRow)]
+pub struct PostgresPersonShared {
+    pub id: Uuid,
+    pub owner_id: Uuid,
+    pub name: String,
+    pub permission: PostgresPersonPermission,
 }