Rebrand Pinscope to Periscope across product and codebase.

Rename the core package to periscopex, update UI/docs/Docker/deploy defaults to periscope.michelebigi.it, and keep legacy version/storage key aliases so existing projects keep working.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_placement_pipeline.py

@@ -6,11 +6,11 @@ from pathlib import Path
 
 import pytest
 
-from backend.pinscopex.functional_groups import (
+from backend.periscopex.functional_groups import (
     FunctionalGroupsReport,
     build_placement_plan,
 )
-from backend.pinscopex.models import DesignGraph
+from backend.periscopex.models import DesignGraph
 
 
 ROOT = Path(__file__).resolve().parents[1]