history : historique structure par session + am history (issue #7) - migration one-shot de history.txt, filtres kind/cwd/search/failed/session, enregistrement REPL avec duree et exit

src/commands/history_cmd.rs

@@ -0,0 +1,96 @@
+//! history: search and reuse the structured command history.
+
+use super::*;
+use crate::history::{self, HistoryEntry};
+use crate::output::print_json;
+
+/// Filter history entries; returns them most recent first.
+pub fn filter(
+    app: &App,
+    kind: Option<&str>,
+    cwd: Option<&str>,
+    search: Option<&str>,
+    failed: bool,
+    session: Option<&str>,
+    limit: usize,
+) -> Vec<(String, HistoryEntry)> {
+    let _ = session; // session filtering happens by reading one file directly
+    let mut out: Vec<(String, HistoryEntry)> = Vec::new();
+    let dir = history::dir(app);
+    for f in history::files(&dir).iter().rev() {
+        let sid = history::session_of_file(f).unwrap_or_default();
+        if let Some(s) = session {
+            if sid != s {
+                continue;
+            }
+        }
+        let Ok(text) = std::fs::read_to_string(f) else {
+            continue;
+        };
+        let mut entries: Vec<HistoryEntry> = text
+            .lines()
+            .filter(|l| !l.trim().is_empty())
+            .filter_map(|l| serde_json::from_str::<HistoryEntry>(l).ok())
+            .collect();
+        entries.reverse();
+        for e in entries {
+            if kind.map_or(true, |k| e.kind == k)
+                && cwd.map_or(true, |c| e.cwd.as_deref() == Some(c))
+                && search.map_or(true, |s| e.cmd.to_lowercase().contains(&s.to_lowercase()))
+                && (!failed || e.exit_code.is_some())
+            {
+                out.push((sid.clone(), e));
+                if limit > 0 && out.len() >= limit {
+                    return out;
+                }
+            }
+        }
+    }
+    out
+}
+
+pub fn run(
+    app: &App,
+    kind: Option<&str>,
+    cwd: Option<&str>,
+    search: Option<&str>,
+    failed: bool,
+    session: Option<&str>,
+    limit: usize,
+) -> Result<i32> {
+    history::migrate(app)?;
+    let rows = filter(app, kind, cwd, search, failed, session, limit);
+    if app.json() {
+        let payload: Vec<serde_json::Value> = rows
+            .iter()
+            .enumerate()
+            .map(|(i, (sid, e))| {
+                serde_json::json!({
+                    "n": rows.len() - i,
+                    "ts": e.ts,
+                    "cmd": e.cmd,
+                    "kind": e.kind,
+                    "cwd": e.cwd,
+                    "exit_code": e.exit_code,
+                    "duration_ms": e.duration_ms,
+                    "session": sid,
+                })
+            })
+            .collect();
+        print_json(&payload);
+        return Ok(0);
+    }
+    for (i, (_sid, e)) in rows.iter().enumerate() {
+        let n = rows.len() - i;
+        let ts = e.ts.get(0..16).unwrap_or(&e.ts);
+        let flag = match e.exit_code {
+            Some(_) => "✗".to_string(),
+            None => " ".to_string(),
+        };
+        println!("{n:>4} {flag} {ts}  {}", e.cmd);
+    }
+    if rows.is_empty() {
+        app.log.info("no matching history — run 'am' and type some commands");
+    }
+    Ok(0)
+}

src/commands/mod.rs

@@ -5,6 +5,7 @@ pub mod config_cmd;
 pub mod doctor_cmd;
 pub mod export_import;
 pub mod help_cmd;
+pub mod history_cmd;
 pub mod info_cmd;
 pub mod install_cmd;
 pub mod list_cmd;
@@ -78,6 +79,22 @@ pub fn execute_command(app: &App, cmd: &Command) -> Result<i32> {
         Command::Uninstall { agent, purge } => uninstall_cmd::run(app, agent, *purge),
         Command::Update { agent, all } => update_cmd::run(app, agent.as_deref(), *all),
         Command::Search { keyword, category } => search_cmd::run(app, keyword, category.as_deref()),
+        Command::History {
+            kind,
+            cwd,
+            search,
+            failed,
+            session,
+            limit,
+        } => history_cmd::run(
+            app,
+            kind.as_deref(),
+            cwd.as_deref(),
+            search.as_deref(),
+            *failed,
+            session.as_deref(),
+            *limit,
+        ),
         Command::Info { agent } => info_cmd::run(app, agent),
         Command::Help { command, find } => help_cmd::run(app, command.as_deref(), find.as_deref()),
         Command::Version => version_cmd::run(app),