Merge nucleic/nimble-iris-toad-cpro into dev

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Andrew Blakeslee Moore
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

nash/creds.txt

@@ -1 +0,0 @@
-export TOKEN=ghp_ABCDEFGHIJKLMNOP1234567890abcd

nash/tests/observe.rs

@@ -515,10 +515,16 @@ fn cmdsub_output_captured() {
 #[test]
 fn credential_shapes_redacted_in_previews() {
     let sink = Sink::start();
-    let status = run_nash(
+    // Write into a scratch cwd so a leftover creds.txt never lands in the source tree
+    // (a prior revision of this test committed one).
+    let parent = scratch_dir("nash-creds");
+    let status = nash_command(
         &sink,
         "echo 'export TOKEN=ghp_ABCDEFGHIJKLMNOP1234567890abcd' > creds.txt",
-    );
+    )
+    .current_dir(&parent)
+    .status()
+    .unwrap();
     assert_eq!(status.code(), Some(0));
     let events = sink.events_until(|evs| evs.iter().any(|e| e["kind"] == "redirect"));
     let r = events.iter().find(|e| e["kind"] == "redirect").expect("redirect");
@@ -527,6 +533,7 @@ fn credential_shapes_redacted_in_previews() {
     assert!(preview.contains("«redacted»"), "expected redaction marker: {preview:?}");
     // The byte count still reflects the real (unredacted) length on disk.
     assert_eq!(r["bytes"], 48);
+    let _ = std::fs::remove_dir_all(&parent);
 }
 
 #[test]