fix: Use venv Python for scripts, fix import order in figma-sync

- Move sys.path modification before dss imports in figma-sync.py
- Add missing Dict type hint import
- Add PYTHON variable to dss-init.sh using venv if available
- Update script calls to use $PYTHON instead of python3

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/figma-sync.py

@@ -16,15 +16,16 @@ import json
 import os
 import sys
 from pathlib import Path
+from typing import Dict
 
-from dss.ingest.base import TokenCollection
-from dss.ingest.sources.figma import FigmaTokenSource
-
-# Ensure the project root is in the Python path
+# Ensure the project root is in the Python path BEFORE importing dss modules
 DSS_ROOT = Path(__file__).parent.parent
 if str(DSS_ROOT) not in sys.path:
     sys.path.insert(0, str(DSS_ROOT))
 
+from dss.ingest.base import TokenCollection
+from dss.ingest.sources.figma import FigmaTokenSource
+
 
 # =============================================================================
 # CONFIGURATION