doc: add portable agentic instructions (#114) #232

Job	Run time
test / Lint	31s
test / fuzz-test / Fuzz matrix	31s
test / Unit tests (windows-latest, stable)	59s
test / Unit tests (macos-latest, stable)	28s
test / Unit tests (ubuntu-latest, oldstable)	23s
test / Unit tests (macos-latest, oldstable)	27s
test / Unit tests (windows-latest, oldstable)	53s
test / Unit tests (ubuntu-latest, stable)	44s
test / fuzz-test / fuzz test (github.com/go-openapi/jsonpointer, FuzzParse)	2m 8s
test / collect-reports / collect test reports	14s
test / tests completed	3s
test / collect-coverage / collect test coverage	15s
	7m 36s

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