API 1.0 stabilization

[BrynCooke]

• API 1.0 - Service naming #1138
• API 1.0 - Service Request/Response naming #1139
• API 1.0 - Asymmetry in request response datastructures #1140
• API 1.0 - Request/Response mutability. #1141
• Propagate query planner errors as graphql::Error, not Result::Err #1142
• API 1.0 - Move all plugins to router. #1143
• API 1.0 - Merge router core with router? #1144
• API 1.0 - Maybe introduce apollo-router-plugin-apis #1145
• API 1.0 - Buildstructor to replace all typedbuilder #1146
• API 1.0 - http_compat revisit #1147
• API 1.0 - ApolloRouterBuilder revisit #1148
• API 1.0 - PluginTestHarness is not good enough #1149
• API 1.0 - Public API audit #1150
• API 1.0 - checkpoint layer requires boxing #1151
• API 1.0 - Remove the cache layer #1152
• API 1.0 - Iterators for Context #1153
• Move apollo_router::{Request, Response, error::Error} to a new graphql module #1303
• Flatten the public API of apollo_router::plugin #1267
• More principled terminology for request and response on each "side"? Upstream/subgraph v.s. downstream/supergraph

[SimonSapin]

I feel this tracking issue is not useful anymore, let’s use the api/1.0 label instead:

• https://github.com/apollographql/router/labels/api%2F1.0
• https://github.com/orgs/apollographql/projects/18/views/19?filterQuery=label%3A%22api%2F1.0%22