Refactor owner scope across channels and fix default routing fallback (#1151)

* refactor: add explicit owner scope across channels

* fix: tighten routine owner target routing

* fix: address owner scope review feedback

* Fix owner-scope onboarding and event trigger isolation

* Tighten routing fallback and wizard owner validation

* fix: address owner-scope follow-up review

* fix: tighten owner-scope follow-up details

* fix: import Channel trait in telegram test

* fix: normalize http webhook sender ids

* fix: address remaining owner-scope review issues

* fix: reconcile config rebase fallout

* fix: reconcile extension manager rebase drift

* fix: address current copilot review regressions

* fix: restore clippy matrix after rebase

src/history/store.rs

@@ -227,6 +227,7 @@ impl Store {
                     job_id: row.get("id"),
                     state,
                     user_id: row.get::<_, String>("user_id"),
+                    requester_id: None,
                     conversation_id: row.get("conversation_id"),
                     title: row.get("title"),
                     description: row.get("description"),