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/gitea/handlers/repositories.py

@@ -5,6 +5,7 @@ from typing import Any
 
 from plugins.gitea.client import GiteaClient
 
+
 def get_tool_specifications() -> list[dict[str, Any]]:
     """Return tool specifications for ToolGenerator"""
     return [
@@ -483,6 +484,7 @@ def get_tool_specifications() -> list[dict[str, Any]]:
         },
     ]
 
+
 async def list_repositories(
     client: GiteaClient, owner: str | None = None, type: str = "all", page: int = 1, limit: int = 30
 ) -> str:
@@ -491,12 +493,14 @@ async def list_repositories(
     result = {"success": True, "count": len(repos), "repositories": repos}
     return json.dumps(result, indent=2)
 
+
 async def get_repository(client: GiteaClient, owner: str, repo: str) -> str:
     """Get repository details"""
     repository = await client.get_repository(owner, repo)
     result = {"success": True, "repository": repository}
     return json.dumps(result, indent=2)
 
+
 async def create_repository(
     client: GiteaClient,
     name: str,
@@ -528,6 +532,7 @@ async def create_repository(
     }
     return json.dumps(result, indent=2)
 
+
 async def update_repository(client: GiteaClient, owner: str, repo: str, **kwargs) -> str:
     """Update repository settings"""
     # Build update data from kwargs
@@ -541,12 +546,14 @@ async def update_repository(client: GiteaClient, owner: str, repo: str, **kwargs
     }
     return json.dumps(result, indent=2)
 
+
 async def delete_repository(client: GiteaClient, owner: str, repo: str) -> str:
     """Delete a repository"""
     await client.delete_repository(owner, repo)
     result = {"success": True, "message": f"Repository '{owner}/{repo}' deleted successfully"}
     return json.dumps(result, indent=2)
 
+
 # Branch operations
 async def list_branches(
     client: GiteaClient, owner: str, repo: str, page: int = 1, limit: int = 30
@@ -556,12 +563,14 @@ async def list_branches(
     result = {"success": True, "count": len(branches), "branches": branches}
     return json.dumps(result, indent=2)
 
+
 async def get_branch(client: GiteaClient, owner: str, repo: str, branch: str) -> str:
     """Get branch details"""
     branch_info = await client.get_branch(owner, repo, branch)
     result = {"success": True, "branch": branch_info}
     return json.dumps(result, indent=2)
 
+
 async def create_branch(
     client: GiteaClient,
     owner: str,
@@ -584,12 +593,14 @@ async def create_branch(
     }
     return json.dumps(result, indent=2)
 
+
 async def delete_branch(client: GiteaClient, owner: str, repo: str, branch: str) -> str:
     """Delete a branch"""
     await client.delete_branch(owner, repo, branch)
     result = {"success": True, "message": f"Branch '{branch}' deleted successfully"}
     return json.dumps(result, indent=2)
 
+
 # Tag operations
 async def list_tags(
     client: GiteaClient, owner: str, repo: str, page: int = 1, limit: int = 30
@@ -599,6 +610,7 @@ async def list_tags(
     result = {"success": True, "count": len(tags), "tags": tags}
     return json.dumps(result, indent=2)
 
+
 async def create_tag(
     client: GiteaClient,
     owner: str,
@@ -613,12 +625,14 @@ async def create_tag(
     result = {"success": True, "message": f"Tag '{tag_name}' created successfully", "tag": tag}
     return json.dumps(result, indent=2)
 
+
 async def delete_tag(client: GiteaClient, owner: str, repo: str, tag: str) -> str:
     """Delete a tag"""
     await client.delete_tag(owner, repo, tag)
     result = {"success": True, "message": f"Tag '{tag}' deleted successfully"}
     return json.dumps(result, indent=2)
 
+
 # File operations
 async def get_file(
     client: GiteaClient, owner: str, repo: str, path: str, ref: str | None = None
@@ -628,6 +642,7 @@ async def get_file(
     result = {"success": True, "file": file_data}
     return json.dumps(result, indent=2)
 
+
 async def create_file(
     client: GiteaClient,
     owner: str,
@@ -664,6 +679,7 @@ async def create_file(
     }
     return json.dumps(result, indent=2)
 
+
 async def update_file(
     client: GiteaClient,
     owner: str,
@@ -694,6 +710,7 @@ async def update_file(
     }
     return json.dumps(result, indent=2)
 
+
 async def delete_file(
     client: GiteaClient,
     owner: str,