agent-orchestrator/ui-electrobun/src/mainview/SessionPicker.svelte

341 lines
8.3 KiB
Svelte

<script lang="ts">
import { onMount } from 'svelte';
import type { ClaudeSessionInfo } from './agent-store.svelte.ts';
import { listProjectSessions, setPendingResume, getPendingResume, clearPendingResume, loadSessionHistory } from './agent-store.svelte.ts';
import { t } from './i18n.svelte.ts';
interface Props {
projectId: string;
provider: string;
cwd: string;
currentSessionId?: string;
onNewSession?: (prompt: string) => void;
}
let {
projectId,
provider,
cwd,
currentSessionId,
onNewSession,
}: Props = $props();
let open = $state(false);
let sessions = $state<ClaudeSessionInfo[]>([]);
let loading = $state(false);
let containerEl: HTMLDivElement;
onMount(() => {
fetchSessions();
// Close on outside click
function handleClick(e: MouseEvent) {
if (containerEl && !containerEl.contains(e.target as Node)) {
open = false;
}
}
document.addEventListener('mousedown', handleClick);
return () => document.removeEventListener('mousedown', handleClick);
});
async function fetchSessions() {
if (!cwd) return;
loading = true;
try {
sessions = await listProjectSessions(projectId, cwd);
} catch {
sessions = [];
}
loading = false;
}
function toggle() {
open = !open;
if (open) fetchSessions();
}
function fmtDate(ms: number): string {
const d = new Date(ms);
const now = Date.now();
const diffH = (now - ms) / 3_600_000;
if (diffH < 1) return `${Math.max(1, Math.round(diffH * 60))}m ago`;
if (diffH < 24) return `${Math.round(diffH)}h ago`;
return d.toLocaleDateString(undefined, { month: 'short', day: 'numeric' });
}
function fmtSize(bytes: number): string {
if (bytes < 1024) return `${bytes}B`;
if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(0)}KB`;
return `${(bytes / (1024 * 1024)).toFixed(1)}MB`;
}
function truncate(s: string, max: number): string {
return s.length > max ? s.slice(0, max - 3) + '...' : s;
}
async function handleContinue() {
open = false;
setPendingResume(projectId, 'continue');
// Load the most recent session's messages for display
if (sessions.length > 0) {
await loadSessionHistory(projectId, sessions[0].sessionId, cwd);
}
}
async function handleResume(sdkSessionId: string) {
open = false;
setPendingResume(projectId, 'resume', sdkSessionId);
// Load the selected session's messages for display
await loadSessionHistory(projectId, sdkSessionId, cwd);
}
function handleNew() {
open = false;
clearPendingResume(projectId);
// Don't start agent — just clear any pending resume so next Send creates fresh session
// The user types their prompt, then hits Send
}
</script>
<div class="session-picker" bind:this={containerEl}>
<button
class="picker-trigger"
onclick={toggle}
title="Session history"
aria-label="Session history"
aria-expanded={open}
>
<svg viewBox="0 0 16 16" fill="currentColor" aria-hidden="true">
<path d="M8 3.5a.5.5 0 0 0-1 0V8a.5.5 0 0 0 .252.434l3.5 2a.5.5 0 0 0 .496-.868L8 7.71V3.5z"/>
<path d="M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm7-8A7 7 0 1 1 1 8a7 7 0 0 1 14 0z"/>
</svg>
</button>
<div class="picker-dropdown" style:display={open ? 'flex' : 'none'}>
<div class="dropdown-header">
<span class="dropdown-title">Sessions</span>
<button class="new-btn" onclick={handleNew}>
+ New
</button>
</div>
{#if sessions.length > 0}
<button class="continue-btn" onclick={handleContinue}>
<svg viewBox="0 0 16 16" fill="currentColor" aria-hidden="true" class="continue-icon">
<path d="M4 2l8 6-8 6V2z"/>
</svg>
Continue last session
</button>
{/if}
<div class="dropdown-divider"></div>
<div class="session-list">
{#if loading}
<div class="session-empty">Loading...</div>
{:else if sessions.length === 0}
<div class="session-empty">No previous sessions</div>
{:else}
{#each sessions as s (s.sessionId)}
<button
class="session-row"
class:active={currentSessionId === s.sessionId}
onclick={() => handleResume(s.sessionId)}
>
<div class="session-prompt">{truncate(s.firstPrompt || s.summary, 60)}</div>
<div class="session-meta">
<span class="meta-date">{fmtDate(s.lastModified)}</span>
<span class="meta-sep" aria-hidden="true"></span>
<span class="meta-size">{fmtSize(s.fileSize)}</span>
<span class="meta-sep" aria-hidden="true"></span>
<span class="meta-model">{s.model}</span>
</div>
</button>
{/each}
{/if}
</div>
</div>
</div>
<style>
.session-picker {
position: relative;
display: flex;
align-items: center;
}
.picker-trigger {
display: flex;
align-items: center;
justify-content: center;
width: 1.25rem;
height: 1.25rem;
padding: 0;
background: transparent;
border: 1px solid var(--ctp-surface1);
border-radius: 0.2rem;
color: var(--ctp-overlay1);
cursor: pointer;
transition: color 0.12s, border-color 0.12s;
}
.picker-trigger:hover {
color: var(--ctp-text);
border-color: var(--ctp-blue);
}
.picker-trigger svg {
width: 10px;
height: 10px;
}
.picker-dropdown {
position: absolute;
top: calc(100% + 0.25rem);
right: 0;
z-index: 100;
flex-direction: column;
width: 18rem;
max-height: 20rem;
background: var(--ctp-mantle);
border: 1px solid var(--ctp-surface1);
border-radius: 0.375rem;
box-shadow: 0 4px 12px color-mix(in srgb, var(--ctp-crust) 60%, transparent);
overflow: hidden;
}
.dropdown-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 0.375rem 0.5rem;
border-bottom: 1px solid var(--ctp-surface0);
}
.dropdown-title {
font-size: 0.6875rem;
font-weight: 600;
color: var(--ctp-subtext1);
text-transform: uppercase;
letter-spacing: 0.04em;
}
.new-btn {
font-size: 0.6875rem;
font-weight: 500;
color: var(--ctp-blue);
background: transparent;
border: none;
cursor: pointer;
padding: 0.125rem 0.375rem;
border-radius: 0.2rem;
transition: background 0.12s;
}
.new-btn:hover {
background: color-mix(in srgb, var(--ctp-blue) 12%, transparent);
}
.continue-btn {
display: flex;
align-items: center;
gap: 0.375rem;
width: 100%;
padding: 0.375rem 0.5rem;
background: transparent;
border: none;
color: var(--ctp-green);
font-size: 0.75rem;
font-weight: 500;
cursor: pointer;
text-align: left;
transition: background 0.12s;
}
.continue-btn:hover {
background: color-mix(in srgb, var(--ctp-green) 10%, transparent);
}
.continue-icon {
width: 10px;
height: 10px;
flex-shrink: 0;
}
.dropdown-divider {
height: 1px;
background: var(--ctp-surface0);
flex-shrink: 0;
}
.session-list {
overflow-y: auto;
flex: 1;
min-height: 0;
}
.session-list::-webkit-scrollbar {
width: 0.25rem;
}
.session-list::-webkit-scrollbar-track {
background: transparent;
}
.session-list::-webkit-scrollbar-thumb {
background: var(--ctp-surface1);
border-radius: 0.25rem;
}
.session-empty {
padding: 1rem 0.5rem;
text-align: center;
font-size: 0.75rem;
color: var(--ctp-overlay0);
}
.session-row {
display: flex;
flex-direction: column;
gap: 0.125rem;
width: 100%;
padding: 0.375rem 0.5rem;
background: transparent;
border: none;
cursor: pointer;
text-align: left;
transition: background 0.12s;
}
.session-row:hover {
background: var(--ctp-surface0);
}
.session-row.active {
background: color-mix(in srgb, var(--ctp-blue) 12%, transparent);
}
.session-prompt {
font-size: 0.75rem;
color: var(--ctp-text);
line-height: 1.3;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.session-meta {
display: flex;
align-items: center;
gap: 0.25rem;
font-size: 0.625rem;
color: var(--ctp-overlay1);
}
.meta-sep {
width: 1px;
height: 0.5rem;
background: var(--ctp-surface1);
}
.meta-model {
color: var(--ctp-overlay0);
}
</style>