Fix GLM 4.5 parser to correctly handle parallel tool calls
- Add trailing p.space() after tool_close to consume whitespace between calls
- Default allow_additional to true per JSON Schema spec (missing
additionalProperties should default to true)
- Make arg_close newline optional (may not be present before </tool_call>)
- Simplify content_prefix pattern for non-reasoning case
- Update AGENTS.md with learned insights about parallel tool call parsing
All 9 GLM 4.6 needle streaming tests now pass.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
