events : instrumentation start/stop/run/install/update/uninstall/doctor/repl/shell (issue #3) - un evenement JSONL par action reelle, dry-run sans evenement, session id sur start, duree et exit code sur stop/run

src/commands/doctor_cmd.rs

@@ -2,6 +2,7 @@
 
 use super::*;
 use crate::doctor::{self, Status};
+use crate::events::{Event, EventKind};
 use crate::output::{boxed_table, print_json, status_style};
 use crate::runner::SystemRunner;
 use anyhow::Result;
@@ -22,6 +23,12 @@ pub fn run(app: &App, fix: bool) -> Result<i32> {
     // The doctor report probes real tools, even under --dry-run.
     let runner = SystemRunner::new(false, false, &app.log);
     let report = doctor::run(app, &runner);
+    if !app.dry_run() {
+        app.emit(
+            &Event::now(EventKind::Doctor)
+                .with_exit_code(if report.ok() { 0 } else { 1 }),
+        );
+    }
     if app.json() {
         print_json(&report.checks);
         return Ok(if report.ok() { 0 } else { 1 });