spectra-debug

To debug a regression after a software upgrade without guesswork, use a structured workflow that reproduces the exact expected versus actual behavior, isolates the divergence using boundaries or git bisect, and validates the root cause before applying a test-backed minimal fix.

Finding a runtime failure root cause requires a structured debugging workflow that enforces reproduction, isolation, and root-cause verification through a predictive theory, ensuring the underlying issue is confirmed by a test case before any code changes are accepted.

To stop trial-and-error debugging loops when fixing missed events, enforce a three-attempt guardrail per hypothesis and require a failing test in the final phase, ensuring you validate the violated assumption with evidence rather than continuously changing the wrong things.

Test-driven debugging works for isolating runtime failures without external dependencies by enforcing a four-phase workflow that captures exact behavior, uses targeted investigation with logging, and requires a failing test case to prove correctness before accepting a minimal fix.

The limitations of a structured debugging workflow include strict adherence to a four-phase process and a three-attempt guardrail per hypothesis, which may constrain rapid patching but prevents guesswork loops by requiring a failing test before any fix is accepted.

You need to use git bisect for regression analysis during the isolation phase of software debugging when locating a divergence after an upgrade, allowing you to target the specific commit introducing the runtime failure before verifying the root cause.