migrations/20260326090000_unique_equipment_signal_role.sql

@@ -1,2 +0,0 @@
-ALTER TABLE point
-    ADD CONSTRAINT uq_equipment_signal_role UNIQUE (equipment_id, signal_role);

src/control/engine.rs

@@ -317,15 +317,6 @@ async fn check_fault_comm(
         None
     };
 
-    // REM local: any equipment with a rem point that is explicitly false (local mode) with good quality.
-    let any_rem_local = all_roles.iter().any(|(_, roles)| {
-        roles
-            .get("rem")
-            .and_then(|rp| monitor.get(&rp.point_id))
-            .map(|m| !super::monitor_value_as_bool(m) && m.quality == PointQuality::Good)
-            .unwrap_or(false)
-    });
-
     drop(monitor);
 
     let prev_comm = runtime.comm_locked;
@@ -333,11 +324,9 @@ async fn check_fault_comm(
     let prev_fault_locked = runtime.fault_locked;
     let prev_auto = runtime.auto_enabled;
     let prev_ack = runtime.manual_ack_required;
-    let prev_rem_local = runtime.rem_local;
 
     runtime.comm_locked = any_bad;
     runtime.flt_active = any_flt;
-    runtime.rem_local = any_rem_local;
 
     if !prev_comm && runtime.comm_locked {
         let _ = state.event_manager.send(AppEvent::CommLocked { unit_id: unit.id });
@@ -362,18 +351,11 @@ async fn check_fault_comm(
         }
     }
 
-    // Stop auto-control when any equipment switches to local mode.
-    if any_rem_local && runtime.auto_enabled {
-        runtime.auto_enabled = false;
-        let _ = state.event_manager.send(AppEvent::AutoControlStopped { unit_id: unit.id });
-    }
-
     runtime.comm_locked != prev_comm
         || runtime.flt_active != prev_flt
         || runtime.fault_locked != prev_fault_locked
         || runtime.auto_enabled != prev_auto
         || runtime.manual_ack_required != prev_ack
-        || runtime.rem_local != prev_rem_local
 }
 
 type EquipMaps = (

src/control/runtime.rs

@@ -25,8 +25,6 @@ pub struct UnitRuntime {
     pub flt_active: bool,
     pub comm_locked: bool,
     pub manual_ack_required: bool,
-    /// True when any equipment in the unit has REM=false (local mode) with good signal quality.
-    pub rem_local: bool,
 }
 
 impl UnitRuntime {
@@ -41,7 +39,6 @@ impl UnitRuntime {
             flt_active: false,
             comm_locked: false,
             manual_ack_required: false,
-            rem_local: false,
         }
     }
 }

src/handler/control.rs

@@ -36,7 +36,7 @@ fn validate_unit_timing_order(
 }
 
 fn auto_control_start_blocked(runtime: &crate::control::runtime::UnitRuntime) -> bool {
-    runtime.fault_locked || runtime.comm_locked || runtime.manual_ack_required || runtime.rem_local
+    runtime.fault_locked || runtime.comm_locked || runtime.manual_ack_required
 }
 
 #[derive(Debug, Deserialize, Validate)]
@@ -543,8 +543,6 @@ pub async fn start_auto_unit(
             "Unit is fault locked, cannot start auto control"
         } else if runtime.comm_locked {
             "Unit communication is locked, cannot start auto control"
-        } else if runtime.rem_local {
-            "Equipment is in local mode (REM off), cannot start auto control"
         } else {
             "Fault acknowledgement required before starting auto control"
         };
@@ -742,7 +740,6 @@ mod tests {
             flt_active: false,
             comm_locked: true,
             manual_ack_required: false,
-            rem_local: false,
         };
 
         assert!(auto_control_start_blocked(&runtime));

web/js/equipment.js

@@ -208,14 +208,9 @@ export function renderEquipments() {
     actionRow.append(editBtn, deleteBtn);
 
     if (equipment.kind === "coal_feeder" || equipment.kind === "distributor") {
-      const unitRuntime = equipment.unit_id ? state.runtimes.get(equipment.unit_id) : null;
-      const remLocal = unitRuntime?.rem_local ?? false;
-
       const startBtn = document.createElement("button");
       startBtn.className = "secondary";
       startBtn.textContent = "Start";
-      startBtn.disabled = remLocal;
-      startBtn.title = remLocal ? "设备处于本地模式(REM关)" : "";
       startBtn.addEventListener("click", (e) => {
         e.stopPropagation();
         apiFetch(`/api/control/equipment/${equipment.id}/start`, { method: "POST" })
@@ -225,8 +220,6 @@ export function renderEquipments() {
       const stopBtn = document.createElement("button");
       stopBtn.className = "danger";
       stopBtn.textContent = "Stop";
-      stopBtn.disabled = remLocal;
-      stopBtn.title = remLocal ? "设备处于本地模式(REM关)" : "";
       stopBtn.addEventListener("click", (e) => {
         e.stopPropagation();
         apiFetch(`/api/control/equipment/${equipment.id}/stop`, { method: "POST" })

web/js/ops.js

@@ -55,15 +55,13 @@ export function renderOpsUnits() {
     const actions = item.querySelector(".ops-unit-item-actions");
 
     const isAutoOn = runtime?.auto_enabled;
-    const startBlocked = !isAutoOn && (runtime?.fault_locked || runtime?.manual_ack_required || runtime?.rem_local);
+    const startBlocked = !isAutoOn && (runtime?.fault_locked || runtime?.manual_ack_required);
     const autoBtn = document.createElement("button");
     autoBtn.className = isAutoOn ? "danger" : "secondary";
     autoBtn.textContent = isAutoOn ? "Stop Auto" : "Start Auto";
     autoBtn.disabled = startBlocked;
     autoBtn.title = startBlocked
-      ? (runtime?.fault_locked ? "设备故障中，无法启动自动控制"
+      ? (runtime?.fault_locked ? "设备故障中，无法启动自动控制" : "需人工确认故障后才可启动自动控制")
-         : runtime?.rem_local ? "设备处于本地模式(REM关)，无法启动自动控制"
-         : "需人工确认故障后才可启动自动控制")
       : (isAutoOn ? "停止自动控制" : "启动自动控制");
     autoBtn.addEventListener("click", (e) => {
       e.stopPropagation();

web/js/units.js

@@ -151,15 +151,13 @@ export function renderUnits() {
     actions.append(editBtn, deleteBtn);
 
     const isAutoOn = runtime?.auto_enabled;
-    const startBlocked = !isAutoOn && (runtime?.fault_locked || runtime?.manual_ack_required || runtime?.rem_local);
+    const startBlocked = !isAutoOn && (runtime?.fault_locked || runtime?.manual_ack_required);
     const autoBtn = document.createElement("button");
     autoBtn.className = isAutoOn ? "danger" : "secondary";
     autoBtn.textContent = isAutoOn ? "Stop Auto" : "Start Auto";
     autoBtn.disabled = startBlocked;
     autoBtn.title = startBlocked
-      ? (runtime?.fault_locked ? "设备故障中，无法启动自动控制"
+      ? (runtime?.fault_locked ? "设备故障中，无法启动自动控制" : "需人工确认故障后才可启动自动控制")
-         : runtime?.rem_local ? "设备处于本地模式(REM关)，无法启动自动控制"
-         : "需人工确认故障后才可启动自动控制")
       : (isAutoOn ? "停止自动控制" : "启动自动控制");
     autoBtn.addEventListener("click", (e) => {
       e.stopPropagation();