feat(v1.1.9): TriggerEvent::Queue + TriggerKind::Queue + types

Add the data-shape pieces for v1.1.9's queue surface; behavior lands in
later commits. Each piece compiles independently.

- shared/trigger_event.rs: TriggerEvent::Queue variant (queue_name,
  message, enqueued_at, attempt, message_id). source() returns "queue".
  Surfaced to scripts as ctx.event.queue with op = "receive".
- manager-core/trigger_repo.rs: TriggerKind::Queue + TriggerDetails::Queue +
  CreateQueueTrigger + ActiveQueueConsumer + QueueDetailRow + QueueConsumerRow.
  PostgresTriggerRepo gains create_queue_trigger (advisory-lock-then-SELECT
  enforces one-consumer-per-queue), list_active_queue_consumers (dispatcher
  scan), touch_queue_trigger_last_fired_at. hydrate_one hydrates the Queue arm.
- manager-core/outbox_repo.rs: OutboxSourceKind::Invoke for invoke_async()
  outbox rows.
- manager-core/dispatcher.rs: placeholder OutboxSourceKind::Invoke arm (logs +
  drops the row) so the workspace compiles; real arm lands in commit 10.
- manager-core/trigger_config.rs: queue_reclaim_interval_ms (30000) +
  queue_default_visibility_timeout_secs (30) env-overridable knobs.
- executor-core/engine.rs: trigger_event_to_dynamic handles Queue → builds
  ctx.event.queue map.
- manager-core/triggers_api.rs: in-memory mock TriggerRepo gains the three
  new methods (returns Default-ish values for tests).

Unit tests: TriggerEvent::Queue serde round-trip, TriggerKind::Queue wire
round-trip, advisory_lock_key stability per (app_id, queue_name) pair.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

crates/manager-core/src/dispatcher.rs

@@ -163,6 +163,22 @@ impl Dispatcher {
                     return Ok(());
                 }
             },
+            OutboxSourceKind::Invoke => {
+                // Wired in commit 10 (invoke_async() — function composition).
+                // Until then a malformed row is impossible to write (no
+                // producer), but defensively drop the row so a manual
+                // INSERT doesn't loop the dispatcher.
+                tracing::warn!(
+                    outbox_id = %row.id,
+                    "OutboxSourceKind::Invoke not wired yet; dropping row"
+                );
+                self.outbox
+                    .delete(row.id)
+                    .await
+                    .map_err(|e| DispatcherError::Outbox(e.to_string()))?;
+                drop(permit);
+                return Ok(());
+            }
             OutboxSourceKind::Kv
             | OutboxSourceKind::Docs
             | OutboxSourceKind::DeadLetter