feat: per-test Go code coverage over socket files with blocks, totals and build tables

README.md

@@ -41,6 +41,20 @@ In order to remove the duplicate tests, run the following command:
 sudo -E keploy-enterprise dedup --rm
 ```
 
+### Notes
+
+- **No Go toolchain needed in the app image.** Keploy's agent places a
+  `keploy-covdata-<arch>` binary next to the sockets, and the SDK uses it to
+  read the coverage data. If it is not there or it cannot start,
+  `go tool covdata` is used when `go` is on `PATH`.
+- **`KEPLOY_COVERAGE_DIR`** is the folder that holds the two sockets
+  (`coverage_control.sock`, `coverage_data.sock`) and the coverage temp files.
+  It defaults to `/tmp`. In Kubernetes, Keploy sets it for you (the app sees
+  the shared folder at `/keploy-sockets`); you don't need to set it yourself.
+- **Not measured.** When a test's coverage can't be taken (for example, the app
+  was not built with `-covermode=atomic`), the SDK tells Keploy why instead
+  of sending nothing.
+
 # keploytest: Go tests under keploy's Universal Mocker
 
 Package `github.com/keploy/go-sdk/v3/keploytest` joins a `go test` suite to