fix(ci): fix black/ruff failures, add CoC and PR template

- Fix Python formatting (sync no longer strips blank lines from .py files)
- Remove test_community_build.py (tests private sync module)
- Fix ruff warnings in test files
- Add CODE_OF_CONDUCT.md
- Add .github/PULL_REQUEST_TEMPLATE.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

plugins/wordpress/handlers/products.py

@@ -7,12 +7,14 @@ from typing import Any
 
 from plugins.wordpress.client import WordPressClient
 
+
 def _count_words(html_content: str) -> int:
     """Strip HTML tags and count words."""
     text = re.sub(r"<[^>]+>", " ", html_content)
     text = re.sub(r"\s+", " ", text).strip()
     return len(text.split()) if text else 0
 
+
 def _strip_html(html_content: str, max_chars: int = 500) -> str:
     """Strip HTML tags and return first max_chars characters."""
     text = re.sub(r"<[^>]+>", " ", html_content)
@@ -21,6 +23,7 @@ def _strip_html(html_content: str, max_chars: int = 500) -> str:
         return text[:max_chars] + "..."
     return text
 
+
 def normalize_id_list(value: Any, field_name: str = "item") -> list[dict[str, Any]]:
     """
     Convert various formats of category/tag IDs to WooCommerce API format.
@@ -100,6 +103,7 @@ def normalize_id_list(value: Any, field_name: str = "item") -> list[dict[str, An
 
     return result
 
+
 def get_tool_specifications() -> list[dict[str, Any]]:
     """Return tool specifications for ToolGenerator"""
     return [
@@ -589,6 +593,7 @@ def get_tool_specifications() -> list[dict[str, Any]]:
         },
     ]
 
+
 class ProductsHandler:
     """Handle WooCommerce product-related operations"""