Aymeric RabotandClaude Opus 4.8
f66dcd438b
Measurement/angle parameters on the scene tools now accept a bare number OR a
natural-language string ("6 in", "180cm", "45°", "1.57rad"), canonicalized to
the unit the handler already expects (meters for length, radians/degrees for
angles) with min/max bounds and model-readable errors. Makes LLM tool calls
safer — "6 in" no longer has to be pre-converted to 0.1524, and a bad value is
rejected with a message the model can self-correct from.
A shared `measurement(kind, unit)` zod field wraps lingo's parseQuantity as a
`number | string` union+transform; numbers pass through unchanged (backward
compatible), so no handler changes were needed. Covers create_wall, cut_opening,
place_item, create_level, create_story_shell, create_roof,
create_stair_between_levels, create_room, add_door, add_window, photo_to_scene.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
68 lines
2.2 KiB
TypeScript
68 lines
2.2 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 { LevelNode } 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 { measurement } from './measurement'
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import { NodeIdSchema } from './schemas'
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export const createLevelInput = {
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buildingId: NodeIdSchema,
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elevation: z.number().optional(),
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height: measurement('length', 'm', {
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min: 0,
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description: 'Level height (stored in metadata).',
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}).optional(),
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label: z.string().optional(),
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}
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export const createLevelOutput = {
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levelId: z.string(),
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}
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export function registerCreateLevel(server: McpServer, bridge: SceneOperations): void {
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server.registerTool(
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'create_level',
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{
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title: 'Create level',
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description:
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'Create a new level node attached to the given building. height and label are stored in metadata.',
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inputSchema: createLevelInput,
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outputSchema: createLevelOutput,
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},
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async ({ buildingId, elevation, height, label }) => {
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const parent = bridge.getNode(buildingId as AnyNodeId)
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if (!parent) {
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throwMcpError(ErrorCode.InvalidParams, `Building not found: ${buildingId}`)
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}
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if (parent.type !== 'building') {
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throwMcpError(
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ErrorCode.InvalidParams,
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`Node ${buildingId} is a ${parent.type}, expected building`,
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)
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}
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const metadata: Record<string, unknown> = {}
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if (height !== undefined) metadata.height = height
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if (label !== undefined) metadata.label = label
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const levelNode = LevelNode.parse({
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level: elevation ?? 0,
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children: [],
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...(Object.keys(metadata).length > 0 ? { metadata } : {}),
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...(label !== undefined ? { name: label } : {}),
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})
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const id = bridge.createNode(levelNode, buildingId as AnyNodeId)
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await publishLiveSceneSnapshot(bridge, 'create_level')
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const payload = { levelId: id as string }
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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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},
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)
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}
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