docs: move the recipe and version descriptions with the behaviour

Assisted-by: GLM 5.3 Flash

README.md

@@ -78,12 +78,15 @@ From source (Go 1.27 or later):
 go install sourcedock.dev/petrbalvin/gasm-devkit/cmd/gasm@latest
 ```
 
-Or from a repository checkout, with the development version stamped:
+Or from a repository checkout:
 
 ```sh
-just install-bin
+just install
 ```
 
+The installed binary reports the version the toolchain recorded: the tag
+on a tagged checkout, a pseudo-version naming the commit below one.
+
 ## Quick start
 
 ```sh
@@ -142,9 +145,9 @@ infers the target architecture from the file-name suffix
 ## Development
 
 ```sh
-just install      # download module dependencies
-just build        # go vet + gofmt check, zero errors and zero warnings
-just test         # full suite, race detector, 80 % coverage gate
+just build        # compile, zero errors and zero warnings
+just test         # the suite, no cache, the 80 % coverage floor
+just gates        # build, fmt-check, vet, test, race: the definition of done
 just fmt          # gofmt the tree
 just gen          # regenerate the instruction tables from the Go toolchain
 ```