All sorts of test scaffolding works now

Cargo.lock

@@ -388,6 +388,12 @@ dependencies = [
  "syn 2.0.95",
 ]
 
+[[package]]
+name = "bound"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "315d12cca12c2cd6c3c1de89aacabf340c628ace0f93bb56026d7a18acccb13b"
+
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
@@ -532,6 +538,16 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "ctrlc"
+version = "3.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90eeab0aa92f3f9b4e87f258c72b139c207d251f9cbc1080a0086b86a8870dd3"
+dependencies = [
+ "nix",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "darling"
 version = "0.20.10"
@@ -984,6 +1000,12 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "memo-map"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38d1115007560874e373613744c6fba374c17688327a71c1476d1a5954cc857b"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.3"
@@ -1010,6 +1032,18 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c96aba5aa877601bb3f6dd6a63a969e1f82e60646e81e71b14496995e9853c91"
 
+[[package]]
+name = "nix"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -1111,6 +1145,7 @@ dependencies = [
  "itertools",
  "konst",
  "lazy_static",
+ "memo-map",
  "never",
  "once_cell",
  "orchid-api",
@@ -1128,9 +1163,11 @@ dependencies = [
 name = "orchid-host"
 version = "0.1.0"
 dependencies = [
+ "async-once-cell",
  "async-process",
  "async-std",
  "async-stream",
+ "bound",
  "derive_destructure",
  "futures",
  "hashbrown 0.15.2",
@@ -1171,9 +1208,11 @@ dependencies = [
 name = "orcx"
 version = "0.1.0"
 dependencies = [
+ "async-std",
  "async-stream",
  "camino",
  "clap",
+ "ctrlc",
  "futures",
  "itertools",
  "orchid-base",