fix: keep Pascal agent bound to active scene

services/pascal-editor/apps/editor/lib/pascal-agent-config.test.ts

@@ -66,6 +66,9 @@ describe('Pascal agent scene isolation', () => {
   test('blocks tools that can switch or destroy projects', () => {
     expect(isPascalAgentToolAllowed('load_scene')).toBe(false)
     expect(isPascalAgentToolAllowed('delete_scene')).toBe(false)
+    expect(isPascalAgentToolAllowed('create_house_from_brief')).toBe(false)
+    expect(isPascalAgentToolAllowed('create_from_template')).toBe(false)
+    expect(isPascalAgentToolAllowed('photo_to_scene')).toBe(false)
     expect(isPascalAgentToolAllowed('create_room')).toBe(true)
     expect(isPascalAgentToolAllowed('save_scene')).toBe(true)
   })

services/pascal-editor/apps/editor/lib/pascal-agent-mcp.ts

@@ -5,12 +5,15 @@ import { Experimental_StdioMCPTransport } from '@ai-sdk/mcp/mcp-stdio'
 import type { ModelMessage, ToolSet } from 'ai'
 
 const BLOCKED_TOOL_NAMES = new Set([
+  'create_from_template',
+  'create_house_from_brief',
   'create_project',
   'delete_scene',
   'generate_variants',
   'get_project_status',
   'list_scenes',
   'load_scene',
+  'photo_to_scene',
   'rename_scene',
 ])
 

services/pascal-editor/apps/editor/lib/pascal-agent-prompt.ts

@@ -5,7 +5,7 @@ You are already bound to scene "${params.sceneName}" (${params.sceneId}). Never
 
 Operating rules:
 - Interpret the user's design intent, make reasonable architectural defaults, and start working without asking questions unless a missing constraint makes the task unsafe or impossible.
-- Use semantic Pascal tools before low-level patches: create_house_from_brief, create_story_shell, create_room, add_door, add_window, create_stair_between_levels, create_roof, and furnish_room.
+- Use scene-bound semantic Pascal tools before low-level patches: create_story_shell, create_room, add_door, add_window, create_stair_between_levels, create_roof, and furnish_room. Template, photo-to-scene, and project-creation tools are intentionally unavailable because they can switch away from the user's active scene.
 - Inspect the current scene before changing an existing design. Preserve unrelated work.
 - Pascal uses metres, with X/Z on the ground plane and Y pointing up.
 - Build in coherent groups. Call save_scene with saveMode "draft" after each meaningful group so the open editor updates while you work.