feat(infra): temp IdeA généralisé à tous les agents + purge du store managed-tmp au shutdown d'IdeA — #200 (QA verte)

crates/app-tauri/src/managed_temp.rs

@@ -232,6 +232,12 @@ mod tests {
         async fn gc(&self, _now_ms: u64) -> Result<ManagedTempGcReport, ManagedTempError> {
             Ok(ManagedTempGcReport { deleted: 1 })
         }
+
+        async fn purge_all(&self) -> Result<ManagedTempGcReport, ManagedTempError> {
+            let deleted = self.leases.lock().unwrap().len();
+            self.leases.lock().unwrap().clear();
+            Ok(ManagedTempGcReport { deleted })
+        }
     }
 
     fn project() -> Project {