# All files / src/components/sessions SessionsTable.tsx

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     /**
     * Sessions activity monitor — a live, environment-grouped table of every
     * session (task-bound and ad-hoc).
     *
     * This is the discovery surface for sessions that aren't reachable through the
     * Tasks tree: ad-hoc `grackle spawn`s, debug sessions, and superseded task
     * attempts. Sessions are grouped under their host environment (the one field
     * every session always has), with the owning task surfaced as a link when
     * present and an `ad-hoc` marker otherwise.
     *
     * Pure presentational component — no `useGrackle()`. All branchy view logic
     * lives in {@link ./sessionsView.js}.
     */

    import { useMemo, useState, type JSX } from "react";
    import { AnimatePresence, motion } from "motion/react";
    import { ChevronDown, ChevronRight, ClipboardList, Monitor, Search, Terminal } from "lucide-react";
    import type { Environment, PersonaData, Session, TaskData } from "../../hooks/types.js";
    import { ICON_SM } from "../../utils/iconSize.js";
    import { formatCost, formatTokens } from "../../utils/format.js";
    import { formatRelativeTime } from "../../utils/time.js";
    import {
      buildStatusChips,
      describeSessionStatus,
      filterSessions,
      groupSessionsByEnvironment,
      type SessionGroup,
      type StatusFilter,
    } from "./sessionsView.js";
    import styles from "./SessionsTable.module.scss";

    /** Props for {@link SessionsTable}. */
    export interface SessionsTableProps {
      /** All sessions to display (task-bound and ad-hoc). */
      sessions: Session[];
      /** Environments, for group headers and name resolution. */
      environments: Environment[];
      /** Tasks, for resolving task titles on the task chip (optional). */
      tasks?: TaskData[];
      /** Personas, for resolving persona names (optional). */
      personas?: PersonaData[];
      /** Called when a session row is activated. */
      onOpenSession: (sessionId: string) => void;
      /** Called when a session's task chip is activated. */
      onOpenTask: (taskId: string) => void;
    }

    /** Entrance/exit animation timing for collapsing a group (seconds). */
    const COLLAPSE_DURATION_S: number = 0.18;

    /** A single session row. */
    function SessionRow({
      session,
      taskTitle,
      personaName,
      onOpenSession,
      onOpenTask,
    }: {
      session: Session;
      taskTitle: string | undefined;
      personaName: string | undefined;
      onOpenSession: (sessionId: string) => void;
      onOpenTask: (taskId: string) => void;
    }): JSX.Element {
      const status = describeSessionStatus(session);
      const totalTokens = (session.inputTokens ?? 0) + (session.outputTokens ?? 0);
      const cost = session.costMillicents ?? 0;
      // Bind to a const so TypeScript narrows it to `string` inside the branch
      // below (a property access would not narrow within the onClick closure).
      const taskId = session.taskId;

      // The clickable session area and the task-association control are siblings,
      // not nested, so each is an independent, keyboard-accessible <button> (no
      // invalid nested-interactive ARIA, no key-event double-firing between them).
      return (
        <li
          className={styles.row}
          data-status-tone={status.tone}
          data-testid={`session-row-${session.id}`}
        >
          <button
            type="button"
            className={styles.rowButton}
            aria-label={`Open session: ${session.prompt || session.id}`}
            onClick={() => onOpenSession(session.id)}
            data-testid={`session-open-${session.id}`}
          >
            <span className={styles.statusDot} data-tone={status.tone} aria-hidden="true" />
            <div className={styles.rowContent}>
              <div className={styles.promptLine}>
                <span className={styles.prompt}>
                  {session.prompt || <span className={styles.promptEmpty}>(no prompt)</span>}
                </span>
              </div>
              <div className={styles.meta}>
                <span className={styles.statusLabel} data-tone={status.tone}>
                  {status.label}
                </span>
                <span className={styles.runtimeBadge}>{session.runtime || "unknown"}</span>
                {personaName !== undefined && (
                  <span className={styles.personaBadge} data-testid={`session-persona-${session.id}`}>
                    {personaName}
                  </span>
                )}
                <span className={styles.time}>{formatRelativeTime(session.startedAt)}</span>
                {totalTokens > 0 && (
                  <span className={styles.tokens}>{formatTokens(totalTokens)} tok</span>
                )}
                {cost > 0 && <span className={styles.cost}>{formatCost(cost)}</span>}
              </div>
            </div>
          </button>
          <div className={styles.association}>
            {taskId ? (
              <button
                type="button"
                className={styles.taskChip}
                title={taskTitle ?? taskId}
                onClick={() => onOpenTask(taskId)}
                data-testid={`session-task-${session.id}`}
              >
                <ClipboardList size={ICON_SM} aria-hidden="true" />
                <span className={styles.taskChipLabel}>{taskTitle ?? taskId}</span>
              </button>
            ) : (
              <span className={styles.adHocChip} data-testid={`session-adhoc-${session.id}`}>
                <Terminal size={ICON_SM} aria-hidden="true" />
                ad-hoc
              </span>
            )}
          </div>
        </li>
      );
    }

    /** A collapsible environment group of sessions. */
    function EnvironmentGroup({
      group,
      collapsed,
      onToggle,
      taskTitleById,
      personaNameById,
      onOpenSession,
      onOpenTask,
    }: {
      group: SessionGroup;
      collapsed: boolean;
      onToggle: (environmentId: string) => void;
      taskTitleById: Map<string, string>;
      personaNameById: Map<string, string>;
      onOpenSession: (sessionId: string) => void;
      onOpenTask: (taskId: string) => void;
    }): JSX.Element {
      const { environment, environmentId } = group;
      const name = environment?.displayName ?? environmentId;

      return (
        <section className={styles.group} data-testid={`session-group-${environmentId}`}>
          <button
            type="button"
            className={styles.groupHeader}
            aria-expanded={!collapsed}
            onClick={() => onToggle(environmentId)}
            data-testid={`session-group-toggle-${environmentId}`}
          >
            {collapsed ? (
              <ChevronRight size={ICON_SM} aria-hidden="true" />
            ) : (
              <ChevronDown size={ICON_SM} aria-hidden="true" />
            )}
            <Monitor size={ICON_SM} className={styles.groupIcon} aria-hidden="true" />
            <span className={styles.groupName}>{name}</span>
            {environment !== undefined ? (
              <span
                className={styles.envStatusDot}
                data-status={environment.status}
                aria-hidden="true"
              />
            ) : (
              <span className={styles.missingEnv}>missing</span>
            )}
            <span className={styles.groupSpacer} />
            {group.activeCount > 0 && (
              <span className={styles.activePill} data-testid={`session-group-active-${environmentId}`}>
                {group.activeCount} active
              </span>
            )}
            <span className={styles.countBadge}>{group.sessions.length}</span>
          </button>
          <AnimatePresence initial={false}>
            {!collapsed && (
              <motion.ul
                className={styles.rows}
                initial={{ height: 0, opacity: 0 }}
                animate={{ height: "auto", opacity: 1 }}
                exit={{ height: 0, opacity: 0 }}
                transition={{ duration: COLLAPSE_DURATION_S, ease: [0.16, 1, 0.3, 1] }}
              >
                {group.sessions.map((session) => (
                  <SessionRow
                    key={session.id}
                    session={session}
                    taskTitle={session.taskId ? taskTitleById.get(session.taskId) : undefined}
                    personaName={session.personaId ? personaNameById.get(session.personaId) : undefined}
                    onOpenSession={onOpenSession}
                    onOpenTask={onOpenTask}
                  />
                ))}
              </motion.ul>
            )}
          </AnimatePresence>
        </section>
      );
    }

    /**
     * The Sessions activity monitor: a searchable, status-filterable, environment-
     * grouped table of all sessions. Updates live as the parent's session list
     * changes (statuses flow in through the sessions domain hook).
     */
    export function SessionsTable({
      sessions,
      environments,
      tasks,
      personas,
      onOpenSession,
      onOpenTask,
    }: SessionsTableProps): JSX.Element {
      const [statusFilter, setStatusFilter] = useState<StatusFilter>("all");
      const [query, setQuery] = useState("");
      const [collapsed, setCollapsed] = useState<ReadonlySet<string>>(new Set());

      const environmentNameById = useMemo(
        () => new Map(environments.map((e) => [e.id, e.displayName])),
        [environments],
      );
      const taskTitleById = useMemo(() => new Map((tasks ?? []).map((t) => [t.id, t.title])), [tasks]);
      const personaNameById = useMemo(
        () => new Map((personas ?? []).map((p) => [p.id, p.name])),
        [personas],
      );

      // Chips reflect the full set; filtering narrows what's shown below.
      const chips = useMemo(() => buildStatusChips(sessions), [sessions]);
      const filtered = useMemo(
        () => filterSessions(sessions, statusFilter, query, environmentNameById),
        [sessions, statusFilter, query, environmentNameById],
      );
      const groups = useMemo(
        () => groupSessionsByEnvironment(filtered, environments),
        [filtered, environments],
      );

      const toggleGroup = (environmentId: string): void => {
        setCollapsed((prev) => {
          const next = new Set(prev);
          if (next.has(environmentId)) {
            next.delete(environmentId);
          } else {
            next.add(environmentId);
          }
          return next;
        });
      };

      return (
        <div className={styles.container} data-testid="sessions-table">
          <div className={styles.toolbar}>
            <div className={styles.chips} role="group" aria-label="Filter by status">
              {chips.map((chip) => (
                <button
                  key={chip.value}
                  type="button"
                  className={`${styles.chip} ${statusFilter === chip.value ? styles.chipActive : ""}`}
                  data-tone={chip.value === "all" ? undefined : chip.value}
                  aria-pressed={statusFilter === chip.value}
                  onClick={() => setStatusFilter(chip.value)}
                  data-testid={`session-filter-${chip.value}`}
                >
                  {chip.label}
                  <span className={styles.chipCount}>{chip.count}</span>
                </button>
              ))}
            </div>
            <div className={styles.search}>
              <Search size={ICON_SM} className={styles.searchIcon} aria-hidden="true" />
              <input
                type="text"
                className={styles.searchInput}
                placeholder="Search sessions..."
                value={query}
                onChange={(e) => setQuery(e.target.value)}
                aria-label="Search sessions"
                data-testid="sessions-search"
              />
            </div>
          </div>

          {groups.length === 0 ? (
            <div className={styles.empty} data-testid="sessions-empty">
              <Terminal size={32} aria-hidden="true" />
              <p className={styles.emptyTitle}>
                {sessions.length === 0 ? "No sessions yet" : "No matching sessions"}
              </p>
              <p className={styles.emptyHint}>
                {sessions.length === 0
                  ? "Spawn an agent or start a task and it will show up here."
                  : "Try a different status filter or search term."}
              </p>
            </div>
          ) : (
            <div className={styles.scroll}>
              {groups.map((group) => (
                <EnvironmentGroup
                  key={group.environmentId}
                  group={group}
                  collapsed={collapsed.has(group.environmentId)}
                  onToggle={toggleGroup}
                  taskTitleById={taskTitleById}
                  personaNameById={personaNameById}
                  onOpenSession={onOpenSession}
                  onOpenTask={onOpenTask}
                />
              ))}
            </div>
          )}
        </div>
      );
    }