feat: codex subscription support (#6600)

Signed-off-by: Adrian Cole <adrian@tetrate.io>
Co-authored-by: Adrian Cole <adrian@tetrate.io>

Cargo.lock

@@ -3050,6 +3050,7 @@ dependencies = [
  "urlencoding",
  "utoipa",
  "uuid",
+ "v_htmlescape",
  "webbrowser",
  "which 8.0.0",
  "winapi",
@@ -8584,6 +8585,12 @@ dependencies = [
  "vsimd",
 ]
 
+[[package]]
+name = "v_htmlescape"
+version = "0.15.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e8257fbc510f0a46eb602c10215901938b5c2a7d5e70fc11483b1d3c9b5b18c"
+
 [[package]]
 name = "valuable"
 version = "0.1.1"