558 lines
16 KiB
TypeScript
558 lines
16 KiB
TypeScript
import { get, put, subscribe, type AgentSession, type ByreEvent, type Focus, type InboxItem, type Project, type Schemas, type Snapshot, type Task, type TaskTab, type User } from "./api.js";
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import { notifyInbox, notifyTurn } from "./notifications.js";
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export type Topic =
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| "me"
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| "projects"
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| "tasks"
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| "sessions"
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| "inbox"
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| "selection"
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| "transcript"
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| "stream"
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| "connection"
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| "event"
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| "pin"
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| "review"
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| "focus"
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| "lead.sessions"
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| "lead.transcript"
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| "lead.stream"
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| "ready"
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| "lead.ready"
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| "summaries"
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| "jump";
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export const tabs: TaskTab[] = ["transcript", "changes", "files", "terminal", "inbox", "reviews", "workflow", "project"];
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export const state = {
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me: undefined as User | undefined,
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projects: [] as Project[],
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tasks: new Map<string, Task[]>(),
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sessions: new Map<string, AgentSession[]>(),
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inbox: [] as InboxItem[],
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selectedTaskId: undefined as string | undefined,
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transcript: [] as ByreEvent[],
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pinned: undefined as number | undefined,
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reviewed: undefined as number | undefined,
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connected: false,
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focus: { tabs: ["transcript"], tab: "transcript" } as Focus,
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leadSessions: [] as AgentSession[],
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leadTranscript: [] as ByreEvent[],
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jump: undefined as { taskId: string; seq: number } | undefined,
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summaryReads: {} as Record<string, number>,
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};
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const listeners = new Map<Topic, Set<(detail?: unknown) => void>>();
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export function on(topic: Topic, fn: (detail?: unknown) => void): () => void {
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let set = listeners.get(topic);
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if (!set) {
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set = new Set();
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listeners.set(topic, set);
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}
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set.add(fn);
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return () => set.delete(fn);
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}
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export function onEach(topics: Topic[], fn: (detail?: unknown) => void): () => void {
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const offs = topics.map((t) => on(t, fn));
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return () => {
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for (const off of offs) {
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off();
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}
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};
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}
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export function activeTasks(): { project: Project; task: Task }[] {
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return state.projects.flatMap((project) => (state.tasks.get(project.id) ?? []).filter((t) => t.status === "active").map((task) => ({ project, task })));
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}
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export function notify(topic: Topic, detail?: unknown): void {
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for (const fn of listeners.get(topic) ?? []) {
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fn(detail);
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}
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}
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export function findTask(id: string): Task | undefined {
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for (const tasks of state.tasks.values()) {
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const task = tasks.find((t) => t.id === id);
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if (task) {
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return task;
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}
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}
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return undefined;
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}
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export function currentSession(taskId: string): AgentSession | undefined {
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return state.sessions.get(taskId)?.findLast((s) => s.state !== "completed") ?? state.sessions.get(taskId)?.at(-1);
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}
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const workingTitles: Partial<Record<Task["state"], string>> = {
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running: "The agent is mid-turn or its subagents are running",
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review_pending: "A review of the turn's work is about to start",
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reviewing: "A review is running",
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discarding: "Discarding",
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};
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export type TaskState = { kind: "answer" | "merging" | "held" | "error" | "working" | "idle"; label: string; title: string };
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export function taskState(task: Task): TaskState {
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const open = state.inbox.filter((item) => item.task_id === task.id);
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if (open.some((item) => item.kind === "question")) {
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return { kind: "answer", label: "Needs your answer", title: "The agent asked a question in the inbox" };
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}
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if (task.merging) {
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return { kind: "merging", label: "Merging", title: "The merge turn is running" };
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}
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if (task.merging_into_parent) {
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return { kind: "merging", label: "Merging", title: "Waiting for the parent task's agent to merge it" };
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}
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if (task.merge_queued_at !== undefined) {
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return { kind: "held", label: "Merge held", title: "Waiting for the merge in progress in this project to finish" };
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}
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if (task.merge_after_review) {
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return { kind: "held", label: "Merge after review", title: "Merges when the running review finishes with no findings" };
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}
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if (open.length > 0) {
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return { kind: "error", label: "Error", title: "The agent's session failed or hit a rate limit; see the inbox" };
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}
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const working = workingTitles[task.state];
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if (working !== undefined) {
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return { kind: "working", label: "Working", title: working };
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}
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return { kind: "idle", label: "Idle", title: "Waiting for a message" };
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}
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export function currentLead():AgentSession | undefined {
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return state.leadSessions.findLast((s) => s.state !== "completed") ?? state.leadSessions.at(-1);
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}
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export function snapshots(): Snapshot[] {
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return state.transcript.filter((e) => e.kind === "snapshot.created").map((e) => e.payload as unknown as Snapshot);
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}
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export function pinSnapshot(n: number | undefined): void {
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state.pinned = n;
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notify("pin");
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}
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export function pickReview(n: number): void {
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state.reviewed = n;
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notify("review");
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}
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export function showReview(n: number): void {
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pickReview(n);
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focusTab("reviews");
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}
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export async function loadMe(): Promise<void> {
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state.me = await get("/api/me");
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notify("me");
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}
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export async function loadProjects(): Promise<void> {
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state.projects = await get("/api/projects");
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await Promise.all(state.projects.map((p) => loadTasks(p.id)));
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notify("projects");
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}
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const requestSeqs = new Map<string, number>();
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function claimRequest(key: string): () => boolean {
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const seq = (requestSeqs.get(key) ?? 0) + 1;
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requestSeqs.set(key, seq);
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return () => requestSeqs.get(key) === seq;
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}
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export async function loadTasks(projectId: string): Promise<void> {
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const latest = claimRequest(`tasks:${projectId}`);
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const tasks = await get("/api/projects/{projectId}/tasks", { path: { projectId } });
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if (!latest()) {
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return;
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}
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state.tasks.set(projectId, tasks);
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for (const t of tasks) {
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if (t.status === "active") {
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taskFeed(t.id);
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}
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}
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dropClosedFeeds();
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await Promise.all(tasks.filter((t) => t.status === "active").map((t) => loadSessions(t.id)));
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notify("tasks");
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}
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export async function loadSessions(taskId: string): Promise<void> {
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const latest = claimRequest(`sessions:${taskId}`);
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const sessions = await get("/api/tasks/{taskId}/sessions", { path: { taskId } });
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if (!latest()) {
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return;
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}
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state.sessions.set(taskId, sessions);
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notify("sessions", taskId);
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}
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export async function loadInbox(): Promise<void> {
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const latest = claimRequest("inbox");
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const inbox = await get("/api/inbox");
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if (!latest()) {
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return;
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}
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state.inbox = inbox;
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notify("inbox");
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}
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export async function loadLeadSessions(): Promise<void> {
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state.leadSessions = await get("/api/me/lead/sessions");
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notify("lead.sessions");
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}
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export async function loadFocus(): Promise<void> {
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const latest = claimRequest("focus");
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const focus = await get("/api/me/focus");
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if (!latest()) {
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return;
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}
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applyFocus(focus);
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}
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export function applyFocus(f: Focus): void {
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state.focus = f;
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const hash = f.task_id ? `#/task/${f.task_id}` : f.project_id ? `#/project/${f.project_id}` : "#/";
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if (location.hash !== hash && !(hash === "#/" && location.hash === "")) {
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location.hash = hash;
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}
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notify("focus");
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}
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export function focusedProject(): Project | undefined {
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return state.projects.find((p) => p.id === state.focus.project_id);
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}
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export async function setFocus(change: { task_id?: string | null; project_id?: string | null; tab?: TaskTab }): Promise<void> {
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const taskId = change.task_id === undefined ? state.focus.task_id : (change.task_id ?? undefined);
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const projectId = taskId ? findTask(taskId)?.project_id : change.project_id === undefined ? state.focus.project_id : (change.project_id ?? undefined);
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const next: Focus = { tabs: state.focus.tabs, tab: change.tab ?? state.focus.tab };
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if (taskId) {
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next.task_id = taskId;
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}
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if (projectId) {
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next.project_id = projectId;
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}
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const latest = claimRequest("focus");
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applyFocus(next);
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const focus = await put("/api/me/focus", { body: next });
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if (!latest()) {
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return;
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}
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applyFocus(focus);
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}
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export function focusTask(taskId: string, tab: TaskTab = "transcript"): void {
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setFocus({ task_id: taskId, tab }).catch((err: unknown) => console.error("set focus", err));
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}
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export function focusProject(projectId: string): void {
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setFocus({ task_id: null, project_id: projectId, tab: "project" }).catch((err: unknown) => console.error("set focus", err));
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}
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export function focusTab(tab: TaskTab): void {
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setFocus({ tab }).catch((err: unknown) => console.error("set focus", err));
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}
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class Feed {
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readonly events: ByreEvent[] = [];
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ready = false;
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private last = 0;
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private buffer: ByreEvent[] = [];
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private timer = 0;
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constructor(
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private readonly transcriptTopic: Topic,
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private readonly streamTopic: Topic,
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private readonly readyTopic: Topic,
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private readonly shown: () => boolean,
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) {}
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readonly push = (ev: ByreEvent): void => {
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if (ev.seq === 0 && (!this.ready || !this.shown())) {
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return;
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}
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this.buffer.push(ev);
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if (this.ready && !this.timer) {
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this.timer = setTimeout(() => this.flush(), 0);
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}
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};
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readonly load = (history: ByreEvent[]): void => {
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if (this.ready) {
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return;
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}
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this.ready = true;
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this.buffer = [...history, ...this.buffer];
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this.flush();
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if (this.shown()) {
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notify(this.readyTopic);
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}
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};
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private flush(): void {
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clearTimeout(this.timer);
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const events = this.buffer;
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this.buffer = [];
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this.timer = 0;
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let stored: ByreEvent[] = [];
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for (const ev of events) {
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if (ev.seq !== 0) {
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stored.push(ev);
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continue;
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}
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this.append(stored);
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stored = [];
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if (this.shown()) {
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notify(this.streamTopic, ev);
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}
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}
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this.append(stored);
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}
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private append(events: ByreEvent[]): void {
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const fresh: ByreEvent[] = [];
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for (const ev of events) {
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if (ev.seq > this.last) {
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fresh.push(ev);
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this.last = ev.seq;
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}
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}
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if (fresh.length === 0) {
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return;
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}
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this.events.push(...fresh);
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if (this.shown()) {
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notify(this.transcriptTopic, fresh);
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}
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}
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}
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const historyPage = 1000;
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const taskFeeds = new Map<string, Feed>();
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const leadFeed = new Feed("lead.transcript", "lead.stream", "lead.ready", () => true);
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state.leadTranscript = leadFeed.events;
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async function loadHistory(taskId: string, feed: Feed): Promise<void> {
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const events: ByreEvent[] = [];
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for (;;) {
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const page = await get("/api/tasks/{taskId}/events", { path: { taskId }, query: { after: events.at(-1)?.seq ?? 0, limit: historyPage } });
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events.push(...page);
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if (page.length < historyPage) {
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break;
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}
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}
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feed.load(events);
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}
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const historyLoads = new Set<Feed>();
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function taskFeed(taskId: string): Feed {
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let feed = taskFeeds.get(taskId);
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if (!feed) {
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feed = new Feed("transcript", "stream", "ready", () => state.selectedTaskId === taskId);
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taskFeeds.set(taskId, feed);
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}
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if (feed.ready || historyLoads.has(feed)) {
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return feed;
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}
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const loading = feed;
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historyLoads.add(loading);
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loadHistory(taskId, loading)
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.catch((err: unknown) => console.error("load task history", taskId, err))
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.finally(() => historyLoads.delete(loading));
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return feed;
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}
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function dropClosedFeeds(): void {
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for (const taskId of taskFeeds.keys()) {
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const task = findTask(taskId);
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if (taskId !== state.selectedTaskId && task && task.status !== "active") {
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taskFeeds.delete(taskId);
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}
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}
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}
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export function transcriptLoading(): boolean {
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return state.selectedTaskId !== undefined && taskFeeds.get(state.selectedTaskId)?.ready !== true;
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}
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export function leadLoading(): boolean {
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return !leadFeed.ready;
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}
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const visitsKey = "byre.visits";
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export function lastVisits(): Record<string, number> {
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return JSON.parse(localStorage.getItem(visitsKey) ?? "{}") as Record<string, number>;
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}
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function markVisited(taskId: string | undefined): void {
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if (!taskId) {
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return;
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}
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localStorage.setItem(visitsKey, JSON.stringify({ ...lastVisits(), [taskId]: Date.now() }));
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}
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export async function loadSummaryReads(): Promise<void> {
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state.summaryReads = await get("/api/me/summary-reads");
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notify("summaries");
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}
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export function unreadSummary(task: Task): boolean {
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return task.workflow === undefined && task.summary_seq > (state.summaryReads[task.id] ?? 0);
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}
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function noteSummaryRead(taskId: string, seq: number): boolean {
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if ((state.summaryReads[taskId] ?? 0) >= seq) {
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return false;
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}
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state.summaryReads[taskId] = seq;
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notify("summaries");
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return true;
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}
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export function markSummaryRead(taskId: string, seq: number): void {
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if (!noteSummaryRead(taskId, seq)) {
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return;
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}
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put("/api/tasks/{taskId}/summary-read", { path: { taskId }, body: { seq } }).catch((err: unknown) => console.error("mark summary read", err));
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}
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export function openSummary(task: Task): void {
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state.jump = { taskId: task.id, seq: task.summary_seq };
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focusTask(task.id, "transcript");
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notify("jump");
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}
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export function selectTask(taskId: string | undefined): void {
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markVisited(state.selectedTaskId);
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markVisited(taskId);
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state.selectedTaskId = taskId;
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state.transcript = taskId ? taskFeed(taskId).events : [];
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state.pinned = undefined;
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state.reviewed = undefined;
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dropClosedFeeds();
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notify("selection");
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}
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const leadPage = 50;
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let leadMore = false;
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async function fetchLeadTail(): Promise<Schemas["EventPage"]> {
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for (;;) {
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try {
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return await get("/api/me/lead/events", { query: { turns: leadPage } });
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} catch (err) {
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console.error("load lead history", err);
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await new Promise((resolve) => setTimeout(resolve, 2_000));
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}
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}
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}
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export async function startLeadStream(): Promise<void> {
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const page = await fetchLeadTail();
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leadMore = page.more;
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subscribe(page.events.at(-1)?.seq ?? 0, { lead: true }, leadFeed.push, () => undefined, () => leadFeed.load(page.events));
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}
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export function leadHasOlder(): boolean {
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return leadFeed.ready && leadMore;
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}
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export async function loadOlderLead(): Promise<ByreEvent[]> {
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const first = leadFeed.events[0];
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if (!first) {
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return [];
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}
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const page = await get("/api/me/lead/events", { query: { before: first.seq, turns: leadPage } });
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leadMore = page.more;
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leadFeed.events.unshift(...page.events);
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return page.events;
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}
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export function handleEvent(ev: ByreEvent): void {
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if (ev.task_id) {
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taskFeeds.get(ev.task_id)?.push(ev);
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}
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if (ev.seq === 0) {
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notify("event", ev);
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return;
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}
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switch (ev.kind) {
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case "user.updated":
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if (ev.payload["login"] === state.me?.login) {
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void loadMe();
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}
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break;
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case "project.created":
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void loadProjects();
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break;
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case "task.created":
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case "task.merge_title":
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case "task.merge_queued":
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case "task.merge_unqueued":
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case "task.merge_after_review":
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case "task.merge_after_review_ended":
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case "task.merge_after_review_cancelled":
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case "task.parent_merge_started":
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case "task.parent_merge_stopped":
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case "task.merge_started":
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case "task.merge_ended":
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case "task.discard_started":
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case "task.merged":
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case "task.discarded":
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case "task.state":
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if (ev.project_id) {
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void loadTasks(ev.project_id);
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}
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break;
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case "session.created":
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case "session.state":
|
|
case "session.subagents":
|
|
case "session.model":
|
|
if (ev.owner) {
|
|
void loadLeadSessions();
|
|
} else if (ev.task_id) {
|
|
void loadSessions(ev.task_id);
|
|
}
|
|
break;
|
|
case "inbox.created":
|
|
notifyInbox(ev.payload as unknown as InboxItem);
|
|
void loadInbox();
|
|
break;
|
|
case "inbox.updated":
|
|
void loadInbox();
|
|
break;
|
|
case "turn.ended": {
|
|
notifyTurn(ev);
|
|
const task = ev.payload["summary"] === true && ev.task_id ? findTask(ev.task_id) : undefined;
|
|
if (task && ev.seq > task.summary_seq) {
|
|
task.summary_seq = ev.seq;
|
|
notify("summaries");
|
|
}
|
|
break;
|
|
}
|
|
case "summary.read":
|
|
noteSummaryRead(String(ev.payload["task_id"]), Number(ev.payload["seq"]));
|
|
break;
|
|
case "focus.updated":
|
|
if (ev.actor !== state.me?.login) {
|
|
claimRequest("focus");
|
|
applyFocus(ev.payload as unknown as Focus);
|
|
}
|
|
break;
|
|
}
|
|
|
|
notify("event", ev);
|
|
}
|