add page streaming, admin ui flows, and runtime hardening

apps/api/Cargo.toml

@@ -10,14 +10,18 @@ argon2.workspace = true
 axum.workspace = true
 base64.workspace = true
 chrono.workspace = true
+image.workspace = true
+lru.workspace = true
 stripstream-core = { path = "../../crates/core" }
 rand.workspace = true
 reqwest.workspace = true
 serde.workspace = true
 serde_json.workspace = true
+sha2.workspace = true
 sqlx.workspace = true
 tokio.workspace = true
 tower.workspace = true
 tracing.workspace = true
 tracing-subscriber.workspace = true
 uuid.workspace = true
+zip = { version = "2.2", default-features = false, features = ["deflate"] }