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/db/libsql/jobs.rs

@@ -106,6 +106,7 @@ impl JobStore for LibSqlBackend {
                     job_id: get_text(&row, 0).parse().unwrap_or_default(),
                     state,
                     user_id: get_text(&row, 6),
+                    requester_id: None,
                     conversation_id: get_opt_text(&row, 1).and_then(|s| s.parse().ok()),
                     title: get_text(&row, 2),
                     description: get_text(&row, 3),

src/db/libsql/mod.rs

@@ -247,6 +247,17 @@ pub(crate) fn opt_text_owned(s: Option<String>) -> libsql::Value {
     }
 }
 
+pub(crate) fn normalize_notify_user(value: Option<String>) -> Option<String> {
+    value.and_then(|value| {
+        let trimmed = value.trim();
+        if trimmed.is_empty() || trimmed == "default" {
+            None
+        } else {
+            Some(trimmed.to_string())
+        }
+    })
+}
+
 /// Extract an i64 column, defaulting to 0.
 pub(crate) fn get_i64(row: &libsql::Row, idx: i32) -> i64 {
     row.get::<i64>(idx).unwrap_or(0)
@@ -378,7 +389,7 @@ pub(crate) fn row_to_routine_libsql(row: &libsql::Row) -> Result<Routine, Databa
         },
         notify: NotifyConfig {
             channel: get_opt_text(row, 12),
-            user: get_text(row, 13),
+            user: normalize_notify_user(get_opt_text(row, 13)),
             on_success: get_i64(row, 14) != 0,
             on_failure: get_i64(row, 15) != 0,
             on_attention: get_i64(row, 16) != 0,
@@ -419,7 +430,17 @@ mod tests {
     use chrono::{TimeZone, Utc};
 
     use crate::db::Database;
-    use crate::db::libsql::{LibSqlBackend, parse_timestamp};
+    use crate::db::libsql::{LibSqlBackend, normalize_notify_user, parse_timestamp};
+
+    #[test]
+    fn test_normalize_notify_user_treats_legacy_default_as_missing() {
+        assert_eq!(normalize_notify_user(None), None); // safety: test-only assertion
+        assert_eq!(normalize_notify_user(Some(String::new())), None); // safety: test-only assertion
+        assert_eq!(normalize_notify_user(Some("   ".to_string())), None); // safety: test-only assertion
+        assert_eq!(normalize_notify_user(Some("default".to_string())), None); // safety: test-only assertion
+        let normalized = normalize_notify_user(Some("123456789".to_string()));
+        assert_eq!(normalized, Some("123456789".to_string())); // safety: test-only assertion
+    }
 
     #[test]
     fn test_parse_timestamp_accepts_rfc3339_and_legacy_naive_formats() {

src/db/libsql/routines.rs

@@ -57,7 +57,7 @@ impl RoutineStore for LibSqlBackend {
                     max_concurrent,
                     dedup_window_secs,
                     opt_text(routine.notify.channel.as_deref()),
-                    routine.notify.user.as_str(),
+                    opt_text(routine.notify.user.as_deref()),
                     routine.notify.on_success as i64,
                     routine.notify.on_failure as i64,
                     routine.notify.on_attention as i64,
@@ -250,7 +250,7 @@ impl RoutineStore for LibSqlBackend {
                 max_concurrent,
                 dedup_window_secs,
                 opt_text(routine.notify.channel.as_deref()),
-                routine.notify.user.as_str(),
+                opt_text(routine.notify.user.as_deref()),
                 routine.notify.on_success as i64,
                 routine.notify.on_failure as i64,
                 routine.notify.on_attention as i64,