Restore /secreview command and security review UI

codex-rs/Cargo.lock

@@ -1398,6 +1398,7 @@ dependencies = [
  "diffy",
  "dirs",
  "dunce",
+ "futures",
  "image",
  "insta",
  "itertools 0.14.0",
@@ -1411,7 +1412,9 @@ dependencies = [
  "pulldown-cmark",
  "rand 0.9.2",
  "ratatui",
+ "regex",
  "regex-lite",
+ "reqwest",
  "serde",
  "serde_json",
  "shlex",
@@ -1420,6 +1423,7 @@ dependencies = [
  "supports-color",
  "tempfile",
  "textwrap 0.16.2",
+ "time",
  "tokio",
  "tokio-stream",
  "tracing",