feat(mysql): add process list viewer
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Bagus Wahyu Aprianto authored and GitHub committed
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<script setup lang="ts">
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import { computed, onBeforeUnmount, onMounted, ref, watch } from "vue";
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import { useI18n } from "vue-i18n";
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import { Activity, AlertTriangle, ArrowDown, ArrowUp, Ban, Loader2, RefreshCcw, Search } from "@lucide/vue";
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import { Button } from "@/components/ui/button";
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import { Badge } from "@/components/ui/badge";
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import { Input } from "@/components/ui/input";
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import { Dialog, DialogContent, DialogFooter, DialogHeader, DialogTitle } from "@/components/ui/dialog";
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import { useConnectionStore } from "@/stores/connectionStore";
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import { useToast } from "@/composables/useToast";
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import type { ConnectionConfig } from "@/types/database";
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import * as api from "@/lib/backend/api";
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import { executeWithProductionSqlGuard } from "@/lib/database/productionExecutionGuard";
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import { buildKillSql, clampInterval, DEFAULT_REFRESH_SECONDS, mapProcessRows, PROCESS_LIST_SQL, type ProcessRow } from "@/lib/database/mysqlProcessList";
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const props = defineProps<{
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connection: ConnectionConfig;
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}>();
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const { t } = useI18n();
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const connectionStore = useConnectionStore();
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const { toast } = useToast();
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type SortKey = keyof ProcessRow;
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const rows = ref<ProcessRow[]>([]);
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const ownSessionId = ref<number | null>(null);
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const loading = ref(false);
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const loadError = ref("");
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const search = ref("");
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const sortKey = ref<SortKey>("time");
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const sortDir = ref<"asc" | "desc">("desc");
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const autoRefresh = ref(false);
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const intervalSeconds = ref(DEFAULT_REFRESH_SECONDS);
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let timer: ReturnType<typeof setInterval> | undefined;
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const killTarget = ref<ProcessRow | null>(null);
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const killing = ref(false);
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const COLUMNS: { key: SortKey; labelKey: string; mono?: boolean }[] = [
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{ key: "id", labelKey: "processList.colId", mono: true },
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{ key: "user", labelKey: "processList.colUser" },
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{ key: "host", labelKey: "processList.colHost" },
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{ key: "db", labelKey: "processList.colDb" },
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{ key: "command", labelKey: "processList.colCommand" },
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{ key: "time", labelKey: "processList.colTime", mono: true },
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{ key: "state", labelKey: "processList.colState" },
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{ key: "info", labelKey: "processList.colInfo" },
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];
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const filteredRows = computed(() => {
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const query = search.value.trim().toLowerCase();
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const base = query ? rows.value.filter((row) => [row.id, row.user, row.host, row.db, row.command, row.state, row.info].some((value) => value !== null && value !== undefined && String(value).toLowerCase().includes(query))) : rows.value.slice();
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const key = sortKey.value;
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const dir = sortDir.value === "asc" ? 1 : -1;
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return base.sort((a, b) => {
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const av = a[key];
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const bv = b[key];
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if (av === bv) return 0;
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if (av === null || av === undefined) return 1;
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if (bv === null || bv === undefined) return -1;
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if (typeof av === "number" && typeof bv === "number") return (av - bv) * dir;
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return String(av).localeCompare(String(bv)) * dir;
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});
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});
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function toggleSort(key: SortKey) {
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if (sortKey.value === key) {
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sortDir.value = sortDir.value === "asc" ? "desc" : "asc";
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} else {
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sortKey.value = key;
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sortDir.value = key === "time" || key === "id" ? "desc" : "asc";
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}
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}
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async function load(options: { silent?: boolean } = {}) {
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if (loading.value) return;
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if (!options.silent) loading.value = true;
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loadError.value = "";
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try {
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await connectionStore.ensureConnected(props.connection.id);
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if (ownSessionId.value === null) {
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try {
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const idResult = await api.executeQuery(props.connection.id, "", "SELECT CONNECTION_ID()", undefined, undefined, { maxRows: 1 });
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const raw = idResult?.rows?.[0]?.[0];
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const parsed = Number(raw);
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if (Number.isFinite(parsed)) ownSessionId.value = parsed;
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} catch {
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// Non-fatal: without our own id we simply cannot dim the self row.
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}
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}
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const result = await api.executeQuery(props.connection.id, "", PROCESS_LIST_SQL, undefined, undefined, { maxRows: 5000 });
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rows.value = mapProcessRows(result);
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} catch (error: any) {
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loadError.value = error?.message || String(error);
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} finally {
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loading.value = false;
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}
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}
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function isOwnSession(row: ProcessRow): boolean {
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return ownSessionId.value !== null && row.id === ownSessionId.value;
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}
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function requestKill(row: ProcessRow) {
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if (isOwnSession(row)) return;
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killTarget.value = row;
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}
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async function confirmKill() {
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const target = killTarget.value;
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if (!target) return;
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killing.value = true;
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try {
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const killSql = buildKillSql(target.id);
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const result = await executeWithProductionSqlGuard({
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connection: props.connection,
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database: "",
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sql: killSql,
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source: t("production.sourceAdmin"),
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execute: () => api.executeMulti(props.connection.id, "", killSql, undefined, undefined, { maxRows: 1 }),
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});
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if (result === undefined) return;
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toast(t("processList.killSuccess", { id: target.id }), 2500);
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killTarget.value = null;
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await load({ silent: true });
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} catch (error: any) {
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toast(t("processList.killFailed", { message: error?.message || String(error) }), 5000);
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} finally {
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killing.value = false;
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}
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}
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function stopTimer() {
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if (timer) {
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clearInterval(timer);
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timer = undefined;
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}
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}
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function restartTimer() {
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stopTimer();
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if (!autoRefresh.value) return;
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const seconds = clampInterval(intervalSeconds.value);
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timer = setInterval(() => {
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// Skip polling while the window is hidden to avoid needless server load.
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if (document.hidden) return;
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void load({ silent: true });
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}, seconds * 1000);
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}
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function onIntervalInput() {
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intervalSeconds.value = clampInterval(Number(intervalSeconds.value));
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if (autoRefresh.value) restartTimer();
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}
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watch(autoRefresh, restartTimer);
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watch(intervalSeconds, () => {
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if (autoRefresh.value) restartTimer();
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});
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watch(
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() => props.connection.id,
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() => {
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rows.value = [];
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ownSessionId.value = null;
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search.value = "";
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void load();
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},
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);
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onMounted(() => void load());
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onBeforeUnmount(stopTimer);
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</script>
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<template>
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<div class="flex h-full min-h-0 flex-col bg-background">
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<div class="flex h-11 shrink-0 items-center gap-2 border-b bg-muted/20 px-3">
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<div class="flex min-w-0 items-center gap-2">
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<Activity class="h-4 w-4 text-primary" />
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<div class="truncate text-sm font-semibold">{{ t("processList.title") }}</div>
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<Badge variant="outline" class="h-5 rounded-md px-1.5 text-[11px]">{{ connection.name }}</Badge>
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<Badge variant="secondary" class="h-5 rounded-md px-1.5 text-[11px]">{{ t("processList.sessionCount", { count: filteredRows.length }) }}</Badge>
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</div>
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<div class="ml-auto flex items-center gap-2">
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<div class="flex h-7 items-center gap-1.5 rounded-md border bg-background px-2">
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<Search class="h-3.5 w-3.5 shrink-0 text-muted-foreground" />
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<input v-model="search" class="h-full w-40 min-w-0 bg-transparent text-xs outline-none placeholder:text-muted-foreground" :placeholder="t('processList.filter')" />
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</div>
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<label class="flex items-center gap-1.5 text-xs text-muted-foreground">
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<input v-model="autoRefresh" type="checkbox" class="h-3.5 w-3.5 accent-primary" />
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{{ t("processList.autoRefresh") }}
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</label>
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<div class="flex h-7 items-center gap-1 rounded-md border bg-background px-1.5">
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<Input v-model.number="intervalSeconds" type="number" min="1" max="3600" class="h-6 w-14 border-0 px-1 text-xs shadow-none focus-visible:ring-0" @change="onIntervalInput" />
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<span class="pr-1 text-[11px] text-muted-foreground">{{ t("processList.seconds") }}</span>
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</div>
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<Button variant="outline" size="sm" class="h-7 gap-1.5 px-2 text-xs" :disabled="loading" @click="load()">
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<Loader2 v-if="loading" class="h-3.5 w-3.5 animate-spin" />
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<RefreshCcw v-else class="h-3.5 w-3.5" />
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{{ t("grid.refresh") }}
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</Button>
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</div>
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</div>
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<div v-if="loadError" class="border-b bg-destructive/10 px-3 py-2 text-xs text-destructive">{{ loadError }}</div>
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<div class="min-h-0 flex-1 overflow-auto">
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<table class="w-full border-collapse text-xs">
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<thead class="sticky top-0 z-10 bg-muted/40 backdrop-blur">
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<tr>
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<th v-for="column in COLUMNS" :key="column.key" class="cursor-pointer select-none whitespace-nowrap border-b px-3 py-2 text-left font-medium hover:bg-accent" @click="toggleSort(column.key)">
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<span class="inline-flex items-center gap-1">
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{{ t(column.labelKey) }}
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<ArrowUp v-if="sortKey === column.key && sortDir === 'asc'" class="h-3 w-3" />
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<ArrowDown v-else-if="sortKey === column.key && sortDir === 'desc'" class="h-3 w-3" />
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</span>
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</th>
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<th class="w-16 whitespace-nowrap border-b px-3 py-2 text-right font-medium">{{ t("processList.colActions") }}</th>
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</tr>
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</thead>
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<tbody>
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<tr v-for="row in filteredRows" :key="row.id" class="border-b hover:bg-accent/40" :class="{ 'bg-primary/5': isOwnSession(row) }">
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<td class="whitespace-nowrap px-3 py-1.5 font-mono">
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{{ row.id }}
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<Badge v-if="isOwnSession(row)" variant="outline" class="ml-1 h-4 rounded px-1 text-[10px]">{{ t("processList.self") }}</Badge>
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</td>
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<td class="whitespace-nowrap px-3 py-1.5">{{ row.user }}</td>
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<td class="whitespace-nowrap px-3 py-1.5">{{ row.host }}</td>
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<td class="whitespace-nowrap px-3 py-1.5 text-muted-foreground">{{ row.db ?? "—" }}</td>
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<td class="whitespace-nowrap px-3 py-1.5">{{ row.command }}</td>
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<td class="whitespace-nowrap px-3 py-1.5 font-mono">{{ row.time }}</td>
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<td class="whitespace-nowrap px-3 py-1.5 text-muted-foreground">{{ row.state ?? "—" }}</td>
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<td class="max-w-md truncate px-3 py-1.5 font-mono text-muted-foreground" :title="row.info ?? ''">{{ row.info ?? "—" }}</td>
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<td class="px-3 py-1.5 text-right">
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<Button
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variant="ghost"
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size="sm"
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class="h-6 gap-1 px-1.5 text-[11px] text-destructive hover:bg-destructive/10 hover:text-destructive disabled:opacity-40"
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:disabled="isOwnSession(row)"
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:title="isOwnSession(row) ? t('processList.cannotKillSelf') : t('processList.kill')"
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@click="requestKill(row)"
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>
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<Ban class="h-3.5 w-3.5" />
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{{ t("processList.kill") }}
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</Button>
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</td>
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</tr>
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<tr v-if="!loading && filteredRows.length === 0">
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<td :colspan="COLUMNS.length + 1" class="px-3 py-10 text-center text-muted-foreground">
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{{ search ? t("grid.noSearchResults") : t("processList.empty") }}
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<Dialog
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:open="killTarget !== null"
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@update:open="
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(open) => {
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if (!open) killTarget = null;
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}
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"
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>
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<DialogContent class="max-w-sm">
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<DialogHeader>
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<DialogTitle class="flex items-center gap-2">
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<AlertTriangle class="h-4 w-4 text-destructive" />
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{{ t("processList.killTitle") }}
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</DialogTitle>
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</DialogHeader>
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<p v-if="killTarget" class="text-sm text-muted-foreground">
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{{ t("processList.killConfirm", { id: killTarget.id, user: killTarget.user }) }}
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</p>
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<DialogFooter>
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<Button variant="outline" @click="killTarget = null">{{ t("dangerDialog.cancel") }}</Button>
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<Button variant="destructive" :disabled="killing" @click="confirmKill">
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<Loader2 v-if="killing" class="mr-1.5 h-3.5 w-3.5 animate-spin" />
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{{ t("processList.kill") }}
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</Button>
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</DialogFooter>
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</DialogContent>
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</Dialog>
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</div>
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</template>
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