feat(agents): Move templates into dedicated folder

Provisioning now reads template files from templates/ and includes the\nbase URL for agent runtime setup. Remove unused root orchestration\ndocs to keep the repo tidy.\n\nCo-Authored-By: Claude <noreply@anthropic.com>

backend/app/core/config.py

@@ -22,8 +22,11 @@ class Settings(BaseSettings):
     # OpenClaw Gateway
     openclaw_gateway_url: str = ""
     openclaw_gateway_token: str = ""
+    openclaw_main_session_key: str = "agent:main:main"
+    openclaw_workspace_root: str = "~/.openclaw/workspaces"
 
     cors_origins: str = ""
+    base_url: str = ""
 
     # Database lifecycle
     db_auto_migrate: bool = False