docs(sdlc): promote /goal enumerated-test-fidelity lesson from #361/#362#363
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PR #361 shipped 3 #358 tests where Test C was silent-when-cache-poisoned rather than the goal-named silent-when-offline. The /goal Haiku evaluator counted tests by file presence and approved completion. Caught only at post-merge self-review, fixed in PR #362 (added the real offline test via fake-npm PATH override). Promoted to SDLC.md ## Lessons Learned → ### Testing so future sessions inherit the rule: when a /goal condition enumerates test cases by name, self-review must verify each named test exists by reading assertions, not by counting matching `test_` functions. This is the per-test-fidelity layer beneath PR #355's HIGH-95%-confidence and DLC-binding gates — those work at the macro level, but enumerated- condition fidelity is the author's responsibility. Verified locally: test-doc-consistency 40/40, test-postmortem-lessons 7/7, test-memory-audit-protocol 12/12.
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Summary
Promotes one technical gotcha from this session's #361/#362 incident into
SDLC.md## Lessons Learned → ### Testing.The lesson
The incident (cited in lesson body)
/goalcondition namingnudge-fires-when-stale + silent-when-current + silent-when-offline.silent-when-cache-poisoned, not the goal-namedsilent-when-offline./goalevaluator counted 3 [feature] init should detect when npx cache serves stale CLI version (no @latest pin) #358 tests, saw the PR merged with CI green, and approved completion.This is the per-test-fidelity layer beneath PR #355's HIGH-95%-confidence and DLC-binding gates — those work at the macro level, but enumerated-condition fidelity is the author's responsibility.
Test plan
tests/test-doc-consistency.sh— 40/40tests/test-postmortem-lessons.sh— 7/7tests/test-memory-audit-protocol.sh— 12/12validateSingle-file change (SDLC.md +1 line in the existing ### Testing block).