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feat(templates): visual graph builder (#74)
Canvas mode in the template editor (lazy-loaded React Flow): service nodes for web/worker/cron/database, connect handles to set depends_on, per-node inspector (image/repo, engine, port, health check, env, volumes), live validation (dup keys, missing deps, cycles, missing source), and an Apply step that serializes back to the version-2 graph config JSON. - builder-model.ts is pure: config↔canvas round-trip, layered auto-layout, flat-legacy→single-node migration, validation — 16 vitest cases cover all of it - node positions persist under config.canvas (backend ignores unknown config keys, so no schema change) - flat legacy templates open as a single node so nothing is lost on edit Generated with [Devin](https://devin.ai) Co-authored-by: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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Tomáš DvořákandDevin authored and GitHub committed
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@@ -1,4 +1,4 @@
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import { useMemo, useState } from 'react';
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import { lazy, Suspense, useMemo, useState } from 'react';
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import { Link, useSearchParams } from 'react-router-dom';
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import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
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import {
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@@ -42,6 +42,10 @@ import {
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Network,
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} from 'lucide-react';
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const TemplateBuilder = lazy(() =>
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import('@/features/templates/builder/TemplateBuilder').then((m) => ({ default: m.TemplateBuilder })),
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);
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function toServiceName(value: string): string {
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const normalized = value
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.toLowerCase()
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@@ -127,6 +131,7 @@ export function TemplatesPage() {
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const isAdmin = Boolean(profileQuery.data?.isAdmin);
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const [editorOpen, setEditorOpen] = useState(false);
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const [editorMode, setEditorMode] = useState<'json' | 'visual'>('json');
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const [editorJson, setEditorJson] = useState(EMPTY_TEMPLATE_JSON);
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const [editingTemplate, setEditingTemplate] = useState<TemplateEntity | null>(null);
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const [editorIsPublic, setEditorIsPublic] = useState(false);
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@@ -1022,17 +1027,50 @@ export function TemplatesPage() {
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{/* Template editor — JSON only */}
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{editorOpen ? (
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<div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60 p-4 backdrop-blur-sm">
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<div className="flex max-h-[90vh] w-full max-w-2xl flex-col overflow-hidden rounded-[var(--radius-lg)] border border-[var(--border-subtle)] bg-[var(--bg-base)] shadow-2xl">
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<div className={`flex max-h-[92vh] w-full flex-col overflow-hidden rounded-[var(--radius-lg)] border border-[var(--border-subtle)] bg-[var(--bg-base)] shadow-2xl ${editorMode === 'visual' ? 'max-w-6xl' : 'max-w-2xl'}`}>
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<div className="flex items-center justify-between border-b border-[var(--border-subtle)] px-5 py-4">
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<div>
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<h2 className="text-[15px] font-semibold text-[var(--text-primary)]">
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{editingTemplate ? `Edit ${editingTemplate.name}` : 'New template'}
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</h2>
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<p className="text-xs text-[var(--text-tertiary)]">
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JSON definition — name, category, config and variables.
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{editorMode === 'visual'
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? 'Visual builder — drop service nodes, wire depends_on edges, apply back to JSON.'
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: 'JSON definition — name, category, config and variables.'}
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</p>
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</div>
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<div className="flex items-center gap-2">
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<div className="mr-1 inline-flex overflow-hidden rounded-[var(--radius-md)] border border-[var(--border-default)]">
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{(['json', 'visual'] as const).map((mode) => (
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<button
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key={mode}
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type="button"
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onClick={() => {
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if (mode === 'visual' && editorMode === 'json') {
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try {
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const parsed = JSON.parse(editorJson);
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if (!parsed || typeof parsed.config !== 'object') {
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setEditorError('Visual mode needs a valid JSON body with a "config" object first.');
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return;
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}
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} catch {
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setEditorError('Fix the JSON before switching to visual mode.');
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return;
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}
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setEditorError(null);
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}
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setEditorMode(mode);
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}}
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className={`px-3 py-1.5 text-[11px] font-medium capitalize ${
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editorMode === mode
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? 'bg-[var(--surface-muted)] text-[var(--text-primary)]'
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: 'text-[var(--text-tertiary)] hover:text-[var(--text-primary)]'
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}`}
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>
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{mode}
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</button>
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))}
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</div>
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<label className="inline-flex cursor-pointer items-center gap-1.5 rounded-[var(--radius-md)] border border-[var(--border-default)] px-3 py-1.5 text-xs font-medium text-[var(--text-secondary)] hover:text-[var(--text-primary)]">
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<Upload size={12} /> Upload .json
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<input
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@@ -1055,12 +1093,49 @@ export function TemplatesPage() {
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</button>
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</div>
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</div>
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<textarea
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value={editorJson}
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onChange={(e) => setEditorJson(e.target.value)}
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spellCheck={false}
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className="mono min-h-[380px] flex-1 resize-none bg-[var(--bg-void)] p-4 text-[12.5px] leading-relaxed text-[var(--text-secondary)] outline-none"
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/>
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{editorMode === 'visual' ? (
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<div className="flex min-h-[520px] flex-1 flex-col">
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<Suspense
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fallback={
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<div className="flex flex-1 items-center justify-center text-[var(--text-tertiary)]">
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<Loader2 size={20} className="animate-spin" />
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</div>
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}
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>
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{(() => {
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let cfg: Record<string, unknown> = {};
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try {
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const parsed = JSON.parse(editorJson) as { config?: Record<string, unknown> };
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cfg = parsed?.config ?? {};
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} catch {
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cfg = {};
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}
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return (
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<TemplateBuilder
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config={cfg}
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onCancel={() => setEditorMode('json')}
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onApply={(newConfig) => {
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try {
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const parsed = JSON.parse(editorJson) as Record<string, unknown>;
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setEditorJson(JSON.stringify({ ...parsed, config: newConfig }, null, 2));
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} catch {
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setEditorJson(JSON.stringify({ config: newConfig }, null, 2));
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}
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setEditorMode('json');
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}}
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/>
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);
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})()}
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</Suspense>
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</div>
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) : (
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<textarea
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value={editorJson}
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onChange={(e) => setEditorJson(e.target.value)}
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spellCheck={false}
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className="mono min-h-[380px] flex-1 resize-none bg-[var(--bg-void)] p-4 text-[12.5px] leading-relaxed text-[var(--text-secondary)] outline-none"
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/>
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)}
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{composeWarnings.length > 0 ? (
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<div className="border-t border-[var(--border-subtle)] bg-[var(--warning-soft)]/60 px-5 py-2.5 text-xs text-[var(--warning)]">
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<p className="font-medium mb-1">Compose import notes</p>
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@@ -1074,7 +1149,7 @@ export function TemplatesPage() {
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{editorError}
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</div>
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) : null}
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<div className="flex items-center justify-between border-t border-[var(--border-subtle)] px-5 py-3.5">
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<div className={`flex items-center justify-between border-t border-[var(--border-subtle)] px-5 py-3.5 ${editorMode === 'visual' ? 'hidden' : ''}`}>
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<label className="inline-flex cursor-pointer items-center gap-2 text-[11px] text-[var(--text-secondary)]">
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<input
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type="checkbox"
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