Add integration testing infrastructure with Podman Compose

- Add docker/podman-compose.yml for Immich server (no ML)
- Add test-data/sample-photos/ with 3 public domain images
- Add scripts/start-immich.sh for container startup + admin/API key creation
- Add scripts/seed-data.sh for uploading test photos and creating albums
- Add scripts/stop-immich.sh for cleanup with volume destruction
- Add scripts/run-example.sh wrapper (fixed env var export)
- Update examples to use IMMICH_URL and IMMICH_API_KEY env vars
- Add .github/workflows/integration-test.yml for CI
- Update assets.list() to use /search/metadata endpoint
- Update AGENTS.md with example running instructions
- Add 5 new examples: search_metadata, album_management, timeline_browsing,
  delete_assets, server_info

examples/delete_assets.rs

@@ -0,0 +1,67 @@
+//! Example: Delete assets
+//!
+//! This example demonstrates how to delete assets from Immich.
+//!
+//! WARNING: This will actually delete photos. Use with caution!
+//!
+//! This example uses environment variables for configuration:
+//! - IMMICH_URL: The Immich server URL (defaults to http://localhost:2283)
+//! - IMMICH_API_KEY: Your API key (required)
+//!
+//! IMPORTANT: Run this against a test instance only. This operation permanently
+//! removes assets from the server.
+
+use immich_sdk::Client;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Configure the client from environment variables
+    let url = std::env::var("IMMICH_URL").unwrap_or_else(|_| "http://localhost:2283".to_string());
+    let api_key =
+        std::env::var("IMMICH_API_KEY").expect("IMMICH_API_KEY environment variable not set");
+
+    // Create a client
+    let client = Client::from_url(&url)?.with_api_key(api_key);
+
+    // List existing assets
+    let assets = client.assets().list().execute().await?;
+    println!("Found {} assets", assets.len());
+
+    if assets.is_empty() {
+        println!("No assets to delete. Run upload_photos first.");
+        return Ok(());
+    }
+
+    // Get the first asset details
+    let first_id = assets[0].id;
+    println!("Getting details for asset: {}", first_id);
+
+    let asset = client.assets().get(first_id).execute().await?;
+    println!("Asset: {} ({})", asset.original_file_name, asset.id);
+
+    // Delete a single asset
+    println!("\nDeleting single asset...");
+    client.assets().delete().id(first_id).execute().await?;
+    println!("Asset deleted successfully");
+
+    // Batch delete (if there are more assets)
+    if assets.len() > 1 {
+        println!("\nBatch deleting remaining assets...");
+        let ids_to_delete: Vec<_> = assets.iter().skip(1).take(2).map(|a| a.id).collect();
+
+        client
+            .assets()
+            .delete()
+            .ids(ids_to_delete)
+            .execute()
+            .await?;
+
+        println!("Batch delete completed");
+    }
+
+    // Verify deletion
+    let remaining = client.assets().list().execute().await?;
+    println!("\nRemaining assets: {}", remaining.len());
+
+    Ok(())
+}