/**
 * Session Detector
 *
 * Tracks Claude Code sessions and agents by watching .jsonl files.
 *
 * HOW IT WORKS:
 * 1. Starts monitoring ALL .jsonl files immediately when created
 * 2. Every tool response includes "pid:XXXXX" (added in index.ts)
 * 3. After first tool, verify(pid) sets the PID to filter for
 * 4. Detects session changes, agent activity, and tracks entry counts
 *
 * STREAMS:
 * - session$: Emits when main session changes (PID in different {uuid}.jsonl)
 * - agents$: Emits when agent list changes (PID in agent-{uuid}.jsonl files)
 * - entryCount$: Emits running count of entries in current session file
 */
import { Observable } from 'rxjs';
export interface SessionInfo {
    sessionId: string;
    shortId: string;
    sessionFile: string;
    detectedAt: number;
}
export interface AgentInfo {
    agentId: string;
    shortId: string;
    agentFile: string;
    startedAt: number;
}
export interface SessionState {
    mainSession: SessionInfo | null;
    activeAgents: AgentInfo[];
    entryCount: number;
}
export interface SessionDetector {
    session$: Observable<SessionInfo>;
    agents$: Observable<AgentInfo[]>;
    entryCount$: Observable<number>;
    getState(): SessionState;
    verify(pid: number): void;
    stop(): void;
}
/**
 * Create a session detector that tracks sessions and agents
 */
export declare function createSessionDetector(cwd: string): SessionDetector;
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