perf: route gemini through direct API with streaming support

perf: run provider CLIs outside repo and log subprocess timings

perf: trim noisy history and add provider latency metrics

fix: suppress cli noise and strip internal claude system prompt

fix: reduce cli stream latency and expose custom effort capabilities

fix: preserve chat history, apply effort routing, and reduce stream latency

fix: accept anthropic key in settings and validate bootstrap input

fix: harden bootstrap env key handling and update help command

docs: add bootstrap command with process substitution

docs: add bilingual README and community documentation

feat: update README.md

chore: update AGENTS.md instructions for ClaudeCodeGateway

feat: finalize hybrid model mapping

feat: implement Hybrid Claude Code Gateway with macOS Native Support

docs: cross-AI review for phase 1