testing RPC over Unix socket + updated docs

docs/basics.md

@@ -29,10 +29,8 @@ Test the IPC endpoint interactively with socat (non-HTTP transport):
 ```bash
 sudo socat -d -d -t 5 - UNIX-CONNECT:/tmp/herodb.sock
 ```
-Then paste a framed JSON-RPC request (Content-Length header, blank line, then JSON body). Example:
+Then paste a framed JSON-RPC request. Example:
 ```
-Content-Length: 73
-
 {"jsonrpc":"2.0","method":"hero_listDatabases","params":[],"id":3}
 ```
 More IPC examples are in [docs/rpc_examples.md](docs/rpc_examples.md).

docs/rpc_examples.md

@@ -158,10 +158,4 @@ sudo socat -d -d -t 5 - UNIX-CONNECT:/tmp/herodb.sock
 
 2) Paste a framed JSON-RPC request (Content-Length header, then a blank line, then the JSON body). For example to call hero_listDatabases:
 
-Content-Length: <LEN-BYTES-OF-JSON>
-
 {"jsonrpc":"2.0","id":3,"method":"hero_listDatabases","params":[]}
-
-Notes:
-- Replace <LEN-BYTES-OF-JSON> with the byte-length of the exact JSON payload you paste. There must be an empty line between the header and the JSON.
-- The response will appear in the same terminal, also framed with Content-Length.