fix(agent): loosen memory retrieval threshold to 0.70 and show raw_text for CSV data

Rebrand to Kaal — rename from Chronos OS, add Logo component with serif seal design, swap all Hexagon icons for Logo

Fix pre-launch blocking issues and agent multi-turn reasoning_content error

Fix AgentRunResponse validation error by parsing GLM/DeepSeek reasoning block lists into strings

Fix: cast agent max_results to integer and cleanup debug logging

10x Code Quality: Fix crash bug, cache LLM singletons, optimize batch inserts, purge stale references

Refactor: Implement LiteLLM Mixture of Agents Orchestration

Initial commit for Chronos OS MVP