48 lines
1.5 KiB
TypeScript
48 lines
1.5 KiB
TypeScript
import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'
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import type { AnyNodeId } from '@pascal-app/core/schema'
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import { z } from 'zod'
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import type { SceneOperations } from '../operations'
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import { ErrorCode, throwMcpError } from './errors'
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import { publishLiveSceneSnapshot } from './live-sync'
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import { NodeIdSchema } from './schemas'
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export const deleteNodeInput = {
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id: NodeIdSchema,
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cascade: z.boolean().optional(),
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}
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export const deleteNodeOutput = {
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deletedIds: z.array(z.string()),
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}
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export function registerDeleteNode(server: McpServer, bridge: SceneOperations): void {
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server.registerTool(
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'delete_node',
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{
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title: 'Delete node',
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description:
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'Delete a node. If it has children, pass `cascade: true` to delete descendants recursively.',
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inputSchema: deleteNodeInput,
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outputSchema: deleteNodeOutput,
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},
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async ({ id, cascade }) => {
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const node = bridge.getNode(id as AnyNodeId)
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if (!node) {
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throwMcpError(ErrorCode.InvalidParams, `Node not found: ${id}`)
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}
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try {
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const removed = bridge.deleteNode(id as AnyNodeId, cascade ?? false)
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await publishLiveSceneSnapshot(bridge, 'delete_node')
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const payload = { deletedIds: removed }
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return {
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content: [{ type: 'text' as const, text: JSON.stringify(payload) }],
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structuredContent: payload,
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}
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} catch (err) {
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const msg = err instanceof Error ? err.message : String(err)
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throwMcpError(ErrorCode.InvalidRequest, msg)
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}
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},
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)
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}
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