///
import {
action,
computed,
type Default,
handler,
NAME,
pattern,
safeDateNow,
type Stream,
UI,
type VNode,
wish,
Writable,
} from "commonfabric";
import type { AgentPiece, AgentStatus } from "./schemas.tsx";
export type { AgentPiece };
// ===== Types =====
interface AgentInput {
agentName?: Writable>;
directive?: Writable>;
enabled?: Writable>;
learned?: Writable>;
status?: Writable>;
lastRun?: Writable>;
lastRunSummary?: Writable>;
isAgent?: boolean | Default;
}
/** An #agent piece — autonomous worker with directive, learned state, and status. */
export interface AgentOutput extends AgentPiece {
[NAME]: string;
[UI]: VNode;
agentName: string;
directive: string;
enabled: boolean;
learned: string;
status: AgentStatus;
lastRun: string;
lastRunSummary: string;
isAgent: boolean;
summary: string;
// Handlers
setDirective: Stream<{ value: string }>;
setLearned: Stream<{ value: string }>;
appendLearned: Stream<{ entry: string }>;
toggleEnabled: Stream;
markRunning: Stream;
markIdle: Stream<{ summary: string; learned?: string }>;
markError: Stream<{ summary: string }>;
}
// ===== Activity Log Discovery Type =====
interface ActivityLogPiece {
logEvent: Stream<{ agent: string; action: string; note?: string }>;
}
// ===== Module-scope Handlers =====
const setDirectiveHandler = handler<
{ value: string },
{ directive: Writable }
>((args, { directive }) => {
directive.set(args.value);
});
const setLearnedHandler = handler<
{ value: string },
{ learned: Writable }
>((args, { learned }) => {
learned.set(args.value);
});
const appendLearnedHandler = handler<
{ entry: string },
{ learned: Writable }
>((args, { learned }) => {
const current = learned.get() || "";
const separator = current && !current.endsWith("\n") ? "\n" : "";
learned.set(`${current}${separator}${args.entry}`);
});
// ===== The Pattern =====
export default pattern(
({
agentName,
directive,
enabled,
learned,
status,
lastRun,
lastRunSummary,
isAgent,
}) => {
// Discover activity-log (optional — null-checked before use)
const activityLogWish = wish({
query: "#activityLog",
headless: true,
});
const activityLog = activityLogWish.result;
// Bind module-scope handlers
const setDirective = setDirectiveHandler({ directive });
const setLearned = setLearnedHandler({ learned });
const appendLearned = appendLearnedHandler({ learned });
// Pattern-body actions
const toggleEnabled = action(() => {
enabled.set(!enabled.get());
});
const markRunning = action(() => {
status.set("running");
if (activityLog) {
activityLog.logEvent.send({
agent: agentName.get(),
action: "started",
});
}
});
const markIdle = action(
({ summary, learned: learnedEntry }: {
summary: string;
learned?: string;
}) => {
const nowIso = new Date(safeDateNow()).toISOString();
status.set("idle");
lastRun.set(nowIso);
lastRunSummary.set(summary);
if (learnedEntry) {
const current = learned.get() || "";
const separator = current && !current.endsWith("\n") ? "\n" : "";
learned.set(`${current}${separator}${learnedEntry}`);
}
if (activityLog) {
activityLog.logEvent.send({
agent: agentName.get(),
action: "completed",
note: summary,
});
}
},
);
const markError = action(({ summary }: { summary: string }) => {
const nowIso = new Date(safeDateNow()).toISOString();
status.set("error");
lastRun.set(nowIso);
lastRunSummary.set(`ERROR: ${summary}`);
if (activityLog) {
activityLog.logEvent.send({
agent: agentName.get(),
action: "errored",
note: summary,
});
}
});
// UI state
const isEditingName = new Writable(false);
const startEditingName = action(() => isEditingName.set(true));
const stopEditingName = action(() => isEditingName.set(false));
const handleNameKeydown = action((event: { key?: string }) => {
if (event?.key === "Enter") isEditingName.set(false);
});
const learnedExpanded = new Writable(false);
const toggleLearned = action(() =>
learnedExpanded.set(!learnedExpanded.get())
);
// Derived values
const displayName = computed(() => `🤖 ${agentName.get()}`);
const statusColor = computed(() => {
const s = status.get();
if (s === "running") return "var(--cf-colors-blue-500, #3b82f6)";
if (s === "error") return "var(--cf-colors-red-500, #ef4444)";
return "var(--cf-colors-gray-400, #9ca3af)";
});
const summaryText = computed(() => {
const s = status.get();
const name = agentName.get();
const last = lastRunSummary.get();
if (s === "running") return `${name} is running`;
if (last) return `${name}: ${last}`;
return `${name} (no runs yet)`;
});
const lastRunSectionDisplay = computed(() =>
lastRun.get() ? "block" : "none"
);
const lastRunTimestamp = computed(() => {
const ts = lastRun.get();
if (!ts) return "";
try {
return new Date(ts).toLocaleString();
} catch {
return ts;
}
});
const nameDisplayStyle = computed(() =>
isEditingName.get() ? "none" : "flex"
);
const nameInputDisplayStyle = computed(() =>
isEditingName.get() ? "flex" : "none"
);
const learnedDisplay = computed(() =>
learnedExpanded.get() ? "block" : "none"
);
const learnedToggleLabel = computed(() =>
learnedExpanded.get() ? "▼ Learned" : "▶ Learned"
);
const learnedSectionDisplay = computed(() =>
learned.get() ? "flex" : "none"
);
return {
[NAME]: displayName,
[UI]: (
{/* Header: name, status badge, enabled toggle */}
{/* Click-to-edit name */}
{displayName}
{/* Status badge */}
{status}
{/* Enabled toggle */}
{/* Directive section */}
Directive
{/* Learned section (collapsible) */}
{learnedToggleLabel}
{/* Last run section */}
Last Run
{lastRunTimestamp}
—
{lastRunSummary}
),
agentName,
directive,
enabled,
learned,
status,
lastRun,
lastRunSummary,
isAgent,
summary: summaryText,
setDirective,
setLearned,
appendLearned,
toggleEnabled,
markRunning,
markIdle,
markError,
};
},
);