Merge branch 'router-for-me:main' into main

feat(amp): add per-client upstream API key mapping support

Merge branch 'main' into plus

feat(amp): require API key authentication for management routes

fix: add missing import declarations for net and time packages

feat(kiro): Add Kiro OAuth login entry and auth file filter in Web UI

feat: optimize connection pooling and improve Kiro executor reliability

feat(kiro): add multi-endpoint fallback & thinking mode support

style(amp): tidy whitespace in proxy module and tests

fix(amp): filter context-1m beta header for local OAuth providers

feat: Add Amp CLI integration with comprehensive documentation