feat(python): add stack-advanced gate scenarios for 3.14/3.15 (PROF-15511) - #171
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Add paired asyncio (task name labels), native_cpu (C-extension frames), and deep_stack (deep unwinding) scenarios. Gate grows from 14 to 20.
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Prev: #170 | Next: #172
Motivation
Stack profiler edge cases — asyncio task labels, native C frames, deep unwinding — high-risk for Python version migration.
Summary
Adds 6 directories:
python_asyncio,python_native_cpu,python_deep_stack(× 3.14/3.15).Demo FAIL / PASS
Intentional FAIL (current):
python_asyncio_3.14first wall-time stack 99% ±0 (was 50% ±100).python / scenarios *python_asyncio_3.14profile mismatchTo demo PASS: revert top commit or restore first stack
percent/error_marginto50/100.Test plan
go test -run TestSchemaValidationpython / scenariosfails on asyncio (demo)DDTRACE_INSTALL_URL