history : reexecution (issues #27 #28) - expansion !! !N !prefix ^old^new dans le REPL + am history --rerun N avec confirmation (shell ou commande am)

src/repl.rs

@@ -1056,6 +1056,14 @@ fn handle_input(
         }
         _ => {}
     }
+    // History expansion: !! !N !prefix ^old^new (re-execution, issue #27).
+    if let Some(expanded) = crate::history::expand(&crate::history::read_all(app, 500), line) {
+        if expanded.trim().is_empty() {
+            return Ok(false);
+        }
+        println!("{expanded}");
+        return handle_input(app, session, last, &expanded);
+    }
     // Slash commands (Hermes-style).
     if let Some(rest) = line.strip_prefix('/') {
         let (cmd, arg) = match rest.split_once(char::is_whitespace) {
@@ -1260,6 +1268,7 @@ fn handle_line(
             failed: flag("--failed"),
             session: opt_value("--session"),
             limit: opt_value("--limit").and_then(|v| v.parse().ok()).unwrap_or(100),
+            rerun: opt_value("--rerun").and_then(|v| v.parse().ok()),
         },
         "init" => Command::Init { force: flag("--force") },
         "search" => Command::Search {