Trim down design.md more

design.md

@@ -235,17 +235,7 @@ This design enables the async handler pattern where connections can be safely mo
 
 ### API Endpoints
 
-The system implements a RESTful API:
+The system implements a RESTful API. See [api.md](api.md) for comprehensive API documentation including request/response formats, examples, and error codes.
-
-- **GET /v1/version** - Retrieve current committed version and leader
-- **POST /v1/commit** - Submit transactional operations
-- **GET /v1/subscribe** - Stream committed transactions
-- **GET /v1/status** - Check commit status by request_id
-- **PUT /v1/retention/<policy_id>** - Creates or updates a retention policy
-- **GET /v1/retention/<policy_id>** - Retrieves a retention policy by ID
-- **GET /v1/retention/** - Retrieves all retention policies
-- **DELETE /v1/retention/<policy_id>** - Removes a retention policy
-- **GET /metrics** - Retrieves server metrics for monitoring
 
 ### Design Principles
 
@@ -257,14 +247,6 @@ The system implements a RESTful API:
 6. **Type safety** - Compile-time validation where possible
 7. **Resource management** - RAII and move semantics throughout
 
-### Future Integration Points
-
-This write-side component is designed to integrate with:
-- **Leader election** systems for distributed consensus
-- **Replication** mechanisms for fault tolerance
-- **Read-side systems** that consume the transaction stream
-- **Monitoring** systems for operational visibility
-
 ---
 
 ## Development Guidelines
@@ -531,4 +513,4 @@ ParseResult parse_commit_request(const char* json, CommitRequest& out);
 
 ### Build Notes
 
-See [style.md](style.md) for comprehensive build configuration and CMake integration details.
+See [style.md](style.md) for comprehensive build configuration and CMake integration details.