feat: implement media metadata management with EXIF and TrackInfo support

libertas_api/migrations/20251114055511_create_media_metadata_table.sql

@@ -0,0 +1,11 @@
+
+CREATE TABLE media_metadata (
+    id UUID PRIMARY KEY,
+    media_id UUID NOT NULL REFERENCES media (id) ON DELETE CASCADE,
+    source TEXT NOT NULL,
+    tag_name TEXT NOT NULL,
+    tag_value TEXT NOT NULL
+);
+
+CREATE INDEX idx_media_metadata_media_id ON media_metadata (media_id);
+CREATE INDEX idx_media_metadata_tag_name_value ON media_metadata (tag_name, tag_value);

libertas_api/migrations/20251114063114_remove_exif_from_media.sql

@@ -0,0 +1,7 @@
+ALTER TABLE media
+DROP COLUMN extracted_location,
+DROP COLUMN width,
+DROP COLUMN height,
+DROP COLUMN date_taken;
+
+DROP INDEX IF EXISTS idx_media_date_taken;

libertas_api/src/services/media_service.rs

@@ -256,10 +256,6 @@ impl MediaServiceImpl {
             mime_type,
             hash,
             created_at: chrono::Utc::now(),
-            extracted_location: None,
-            width: None,
-            height: None,
-            date_taken: None,
             thumbnail_path: None,
         };