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/outbox_repo.rs

@@ -33,6 +33,10 @@ pub enum OutboxSourceKind {
     Pubsub,
     /// v1.1.7. Inbound email POSTed to the webhook receiver.
     Email,
+    /// v1.1.9. Fire-and-forget function composition via
+    /// `invoke_async(target, args)`. The dispatcher fires once per row;
+    /// callers wrap in `retry::with` if they want retries.
+    Invoke,
 }
 
 impl OutboxSourceKind {
@@ -47,6 +51,7 @@ impl OutboxSourceKind {
             Self::Files => "files",
             Self::Pubsub => "pubsub",
             Self::Email => "email",
+            Self::Invoke => "invoke",
         }
     }
 
@@ -61,6 +66,7 @@ impl OutboxSourceKind {
             "files" => Some(Self::Files),
             "pubsub" => Some(Self::Pubsub),
             "email" => Some(Self::Email),
+            "invoke" => Some(Self::Invoke),
             _ => None,
         }
     }