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

crates/domain/src/ports.rs

@@ -1349,6 +1349,9 @@ pub trait ManagedTempStore: Send + Sync {
 
     /// Deletes released or expired allocations.
     async fn gc(&self, now_ms: u64) -> Result<ManagedTempGcReport, ManagedTempError>;
+
+    /// Best-effort eager purge of all managed temporary allocations.
+    async fn purge_all(&self) -> Result<ManagedTempGcReport, ManagedTempError>;
 }
 
 /// Persistence port for project-scoped custom chat drafts.