refactor(api): rename workspace-api authority to server-api

Absorb the Server HTTP DTO catalog and generators into server-api, remove the obsolete workspace-api package/path, preserve the separate runtime transport authority through explicit boundary DTO conversions, and rename the aggregate frontend projection as a bounded legacy artifact.

crates/workspace-server/Cargo.toml

@@ -12,7 +12,7 @@ path = "src/main.rs"
 
 [features]
 default = ["typescript"]
-typescript = ["dep:ts-rs", "workspace-api/typescript"]
+typescript = ["dep:ts-rs", "server-api/typescript"]
 
 [dependencies]
 async-trait.workspace = true
@@ -42,7 +42,6 @@ tokio = { workspace = true, features = ["fs", "macros", "net", "rt-multi-thread"
 tower.workspace = true
 tokio-tungstenite = { workspace = true, features = ["rustls-tls-webpki-roots"] }
 worker.workspace = true
-workspace-api.workspace = true
 workdir = { workspace = true, features = ["http-client"] }
 worker-runtime.workspace = true
 toml.workspace = true