feat: implement client backend

This includes temporary AI-generated frontend scaffolding, none of this will be used in production. It was just used during development for the backend.

Cargo.toml

@@ -5,15 +5,27 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-matrix-sdk = "0.19.1"
+matrix-sdk = { version = "0.19.1", features = ["markdown"]}
 matrix-sdk-ui = "0.19.1"
-slint = "1.18.1"
-dotenvy = "0.15"
 eyeball-im = "0.9.1"
+
+slint = "1.18.1"
+
 anyhow = "1.0.104"
 tokio = { version = "1.53.2", features = ["rt-multi-thread", "macros"] }
 futures-util = "0.3.34"
 
+chrono = { version = "0.4.45", default-features = false, features = ["clock", "std"] }
+tracing-subscriber = { version = "0.3.23", features = ["env-filter"] }
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+tracing = "0.1.44"
+rand = "0.10.3"
+dirs = "7.0.0"
+hex = "0.4.3"
+
+dotenvy = "0.15.7"
+
 [build-dependencies]
 slint-build = "1.18.1"