feat: numbered OpenAI-compatible endpoints admin page

Add ChatGPT OAuth as an OpenAI Codex provider (#1279)

Make Kilo discovery and reasoning protocol-correct (#1274)

Coordinate provider recovery under concurrent load (#1205)

Add Google Vertex AI with renewable ADC (#1193)

Consolidate OpenAI-compatible provider adapters (#1069)

Make provider capabilities semantic and typed (#1047)

Canonicalize provider failure and retry ownership (#1046)

Replace global runtime resources with explicit ownership (#1042)

Move runtime packages under src namespace (#1029)