diff --git a/quotesdb/Cargo.toml b/quotesdb/Cargo.toml
index 4a38793..5f8126d 100644
--- a/quotesdb/Cargo.toml
+++ b/quotesdb/Cargo.toml
@@ -47,6 +47,18 @@ worker = { version = "0.5", features = ["d1"] }
 # Entropy source for WASM targets: bridges uuid (v4) and rand (OsRng) to
 # crypto.getRandomValues() via the Web Crypto API.
 getrandom = { version = "0.4", features = ["wasm_js"] }
+# Yew — Rust/Wasm frontend framework for building the SPA UI.
+yew = { version = "0.22", features = ["csr"] }
+# Yew Router — client-side routing for Yew SPAs.
+yew-router = "0.19"
+# Gloo — utility wrappers for Web APIs (timers, fetch, events, etc.).
+gloo = "0.11"
+# wasm-bindgen — Rust/Wasm JS interop; version must match wasm-bindgen-cli in Nix (0.2.108).
+wasm-bindgen = "0.2"
+# wasm-bindgen-futures — bridges Rust futures to JS Promises for async fetch.
+wasm-bindgen-futures = "0.4"
+# web-sys — raw browser DOM/Web API bindings.
+web-sys = { version = "0.3", features = ["Window", "Document", "HtmlElement"] }
 
 # Build-time dependencies for compile-time YAML-to-JSON conversion of the
 # OpenAPI spec. serde_yaml is only needed at build time — it never enters