feat: add client-hosted external workdirs

Cargo.lock

@@ -1446,6 +1446,7 @@ dependencies = [
  "grep-regex",
  "grep-searcher",
  "ignore",
+ "libc",
  "serde",
  "serde_json",
  "sha2 0.10.9",
@@ -6258,9 +6259,11 @@ version = "0.1.0"
 dependencies = [
  "chrono",
  "client",
+ "futures",
  "manifest",
  "memory",
  "project-record",
+ "reqwest",
  "serde",
  "serde_json",
  "serde_yaml",
@@ -6270,9 +6273,11 @@ dependencies = [
  "tempfile",
  "ticket",
  "tokio",
+ "tokio-tungstenite 0.29.0",
  "toml",
  "tui",
  "uuid",
+ "workdir",
  "worker",
 ]