test(cli): integration tests for edit/history, attachments, settings

Adds RELICARIO_TEST_ITEM_SECRET env hatch for rpassword calls in
cmd_add / cmd_edit so piped-stdin tests can exercise the password
prompt paths without a TTY.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

crates/relicario-cli/tests/edit_and_history.rs

@@ -0,0 +1,59 @@
+mod common;
+
+use common::TestVault;
+
+#[test]
+fn edit_password_captures_history() {
+    let v = TestVault::init();
+    v.run(&["add", "login", "--title", "bank",
+           "--username", "u", "--password", "first-pw"]);
+
+    // edit: accept defaults on title/group/tags/username/url, then change pw.
+    let out = run_edit_with_pw_change(&v, "bank", "second-pw");
+    assert!(out.status.success(), "edit failed:\nstdout: {}\nstderr: {}",
+            String::from_utf8_lossy(&out.stdout),
+            String::from_utf8_lossy(&out.stderr));
+
+    // Verify the edit commit exists in git log.
+    let log = std::process::Command::new("git")
+        .current_dir(v.path()).args(["log", "--oneline"])
+        .output().unwrap();
+    let log_str = String::from_utf8(log.stdout).unwrap();
+    assert!(log_str.contains("edit: bank"), "missing edit commit: {log_str}");
+
+    // And the item file has been re-written (there's a single items/<id>.enc).
+    let items_dir = v.path().join("items");
+    let entries: Vec<_> = std::fs::read_dir(&items_dir).unwrap()
+        .map(|e| e.unwrap().path()).collect();
+    assert_eq!(entries.len(), 1);
+}
+
+/// Drives the interactive `edit` flow end-to-end:
+/// 1. passphrase via env var.
+/// 2. blank lines for title, group, tags, username, url.
+/// 3. "y" for "Change password?"
+/// 4. new password via RELICARIO_TEST_ITEM_SECRET env var.
+fn run_edit_with_pw_change(v: &TestVault, query: &str, new_pw: &str) -> std::process::Output {
+    use assert_cmd::cargo::CommandCargoExt;
+    use std::io::Write;
+    use std::process::{Command, Stdio};
+
+    let mut cmd = Command::cargo_bin("relicario").unwrap();
+    cmd.current_dir(v.path())
+        .env("RELICARIO_IMAGE", &v.reference_image)
+        .env("RELICARIO_TEST_PASSPHRASE", &v.passphrase)
+        .env("RELICARIO_TEST_ITEM_SECRET", new_pw)
+        .args(["edit", query])
+        .stdin(Stdio::piped())
+        .stdout(Stdio::piped())
+        .stderr(Stdio::piped());
+    let mut child = cmd.spawn().unwrap();
+    {
+        let stdin = child.stdin.as_mut().unwrap();
+        // title, group, tags, username, url (keep defaults), then yes-to-change-pw.
+        for line in ["", "", "", "", "", "y"] {
+            writeln!(stdin, "{line}").unwrap();
+        }
+    }
+    child.wait_with_output().unwrap()
+}