Merge pull request #605 from AtalayaLabs/claude/performance-optimization-analysis-sisndc

ROUND4: Row-path allocs, drive cache, CalDAV parse, PROPFIND emit, N+1 hydration, Azure streaming, faces bound

src/application/ports/calendar_ports.rs

@@ -34,6 +34,12 @@ pub trait CalendarStoragePort: Send + Sync + 'static {
     ) -> Result<CalendarDto, DomainError>;
     async fn delete_calendar(&self, calendar_id: &str) -> Result<(), DomainError>;
     async fn get_calendar(&self, calendar_id: &str) -> Result<CalendarDto, DomainError>;
+
+    /// Batch sibling of [`Self::get_calendar`]: hydrate a page of
+    /// grant-derived calendar ids in ONE storage round-trip. Missing
+    /// rows (deleted/trashed race) drop out silently; ordering is not
+    /// guaranteed.
+    async fn get_calendars_by_ids(&self, ids: &[Uuid]) -> Result<Vec<CalendarDto>, DomainError>;
     async fn list_calendars_by_owner(
         &self,
         owner_id: Uuid,

src/application/ports/carddav_ports.rs

@@ -37,6 +37,12 @@ pub trait ContactStoragePort: Send + Sync + 'static {
     ) -> Result<AddressBook, DomainError>;
     async fn delete_address_book(&self, id: &Uuid) -> Result<(), DomainError>;
     async fn get_address_book_by_id(&self, id: &Uuid) -> Result<Option<AddressBook>, DomainError>;
+
+    /// Batch sibling of [`Self::get_address_book_by_id`]: hydrate a page
+    /// of grant-derived ids in ONE storage round-trip. Missing rows drop
+    /// out silently; ordering is not guaranteed.
+    async fn get_address_books_by_ids(&self, ids: &[Uuid])
+    -> Result<Vec<AddressBook>, DomainError>;
     async fn get_public_address_books(&self) -> Result<Vec<AddressBook>, DomainError>;
 
     // ── Contacts ─────────────────────────────────────────────────

src/application/ports/music_ports.rs

@@ -104,6 +104,11 @@ pub trait MusicStoragePort: Send + Sync {
 
     async fn get_playlist(&self, playlist_id: &str) -> Result<Option<PlaylistDto>, DomainError>;
 
+    /// Batch sibling of [`Self::get_playlist`]: hydrate a page of
+    /// grant-derived ids in ONE storage round-trip. Missing rows drop
+    /// out silently; ordering is not guaranteed.
+    async fn get_playlists_by_ids(&self, ids: &[Uuid]) -> Result<Vec<PlaylistDto>, DomainError>;
+
     async fn list_playlists_by_owner(
         &self,
         owner_id: Uuid,