refactor(#1456): extract dashboard reminder endpoints into dashboard/reminders.rs

hive-c0re/src/dashboard/reminders.rs

@@ -0,0 +1,55 @@
+//! Reminder endpoints for the dashboard.
+//!
+//! Lists pending reminders for the reminders tab, and lets the operator
+//! cancel a pending reminder or reset its failure state so the scheduler
+//! retries it on the next tick.
+
+use axum::{
+    extract::{Path as AxumPath, State},
+    http::StatusCode,
+    response::{IntoResponse, Response},
+};
+
+use super::{AppState, error_response};
+
+pub(super) async fn api_reminders(State(state): State<AppState>) -> Response {
+    match state.coord.broker.list_pending_reminders() {
+        Ok(rows) => axum::Json(rows).into_response(),
+        Err(e) => error_response(&format!("reminders: {e:#}")),
+    }
+}
+
+pub(super) async fn post_cancel_reminder(
+    State(state): State<AppState>,
+    AxumPath(id): AxumPath<i64>,
+) -> Response {
+    match state.coord.broker.cancel_reminder(id) {
+        Ok(0) => error_response(&format!("reminder {id} not pending (already delivered?)")),
+        Ok(_) => {
+            tracing::info!(%id, "operator cancelled reminder");
+            state.coord.emit_reminders_snapshot();
+            (StatusCode::OK, "ok").into_response()
+        }
+        Err(e) => error_response(&format!("cancel reminder {id} failed: {e:#}")),
+    }
+}
+
+/// Reset a pending reminder's failure state so the scheduler
+/// retries it on the next tick. Useful when the failure was
+/// transient (sqlite lock contention, disk full → freed up) and
+/// the operator wants delivery to resume immediately instead of
+/// the row sitting in attempt-count-capped purgatory.
+pub(super) async fn post_retry_reminder(
+    State(state): State<AppState>,
+    AxumPath(id): AxumPath<i64>,
+) -> Response {
+    match state.coord.broker.reset_reminder_failure(id) {
+        Ok(0) => error_response(&format!("reminder {id} not pending (already delivered?)")),
+        Ok(_) => {
+            tracing::info!(%id, "operator reset reminder failure for retry");
+            state.coord.emit_reminders_snapshot();
+            (StatusCode::OK, "ok").into_response()
+        }
+        Err(e) => error_response(&format!("retry reminder {id} failed: {e:#}")),
+    }
+}