fbef1ca805
Follow-up for salvaged PR #93548 (docs completeness audit): - integrations/providers.md: setup table row, quick command example, fallback supported-providers list - reference/environment-variables.md: RAMP_ROUTER_API_KEY / _BASE_URL - reference/cli-commands.md: --provider choices - getting-started/quickstart.md: provider table - user-guide/features/fallback-providers.md: fallback table - .env.example: commented key block