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* fix(#2733): route gate-passed spec-phase paths into the probe steps All four gate-passed transitions in spec-phase.md said "Jump to Step 6", textually bypassing the mandatory Step 5.5 edge-completeness and Step 5.6 prohibition-completeness probes. Steps 5.5/5.6 were spliced between Step 5 and Step 6 by two later feature commits and the pre-existing jumps were never re-pointed, so no jump instruction in the file reached Step 5.5 at all and both probes were unreachable dead prose. Re-point the four gate-passed jumps (lines 129, 162, 168, 170) to Step 5.5. Control then flows 5.5 -> 5.6 -> 6 as the probes' own preconditions prescribe. The max-rounds "write anyway" bypasses and the probes' own "proceed to Step 6" exits are deliberately unchanged. Add tests/spec-phase-probe-reachability.test.cjs, which derives the mandatory probe steps from the file's own headings rather than hardcoding 5.5/5.6, so a future spliced-in probe step is covered without editing the test. It also locks the two coupled constraints: the max-rounds bypass must not be redirected into a probe, and each probe must keep its own onward exit. The existing probe contract tests are untouched and still pass; both scope from the "## Step 5.5"/"## Step 5.6" heading onward and were structurally incapable of observing the upstream jump text. * chore(changeset): Fixed fragment for #2779 (spec-phase probe reachability) * fix(#2733): route Step 5.5's own soft gate into Step 5.6 Round-1 review blocker. The four upstream gate-passed jumps were re-pointed to Step 5.5, but Step 5.5's own terminal soft gate at :305 still read "proceed to Step 6" - so the COMMON path (all applicable edges resolved) skipped the prohibition-completeness probe outright. Same defect class as the four this PR already fixed, on the success path of the very step being fixed: the SPEC shipped with an empty Prohibitions section instead of an empty Edge Coverage one. Its sibling at :393 is byte-identical yet correct, because Step 6 genuinely follows Step 5.6. Position, not phrasing, is the discriminator. The guard could not see it: the transition matcher keyed only on the literal "Jump to Step", and :305 says "proceed to Step". Widened it to a verb alternation (jump/proceed/continue/go/return/skip + "to Step N", case-insensitive) and renamed it TRANSITION_RE to match what it now models. This makes the file's own docstring promise - that a future spliced-in probe is covered without editing the test - true for a step whose exit is worded differently. Verified no false positives: the two pre-existing "continue to Step 3/4" transitions are upstream of both probes but target pre-probe steps, and the max-rounds bypass block contains no step transitions at all. Fail-first verified before fixing :305 - with the widened matcher against the unfixed workflow the guard fails naming exactly "spec-phase.md:305 jumps to Step 6, skipping mandatory Step 5.6", 4 pass / 1 fail; after the fix, 5/5. The two sibling probe contract tests stay 16/16. Also from review: - STEP_HEADING_RE gains an explicit \r? before $. Without it, on a CRLF checkout `.` stops before the \r and the unanchored $ fails to match, yielding ZERO steps and vacuously passing every assertion in the file. Not live today (.gitattributes forces eol=lf) but this repo has a recurring CRLF-regex bug class, so the guard no longer leans on it. - allow-test-rule category corrected to source-text-is-the-product; the previous runtime-contract-is-the-product is not one of the six recognized categories (CONTRIBUTING.md:609-619). - changeset body given the documented bold-lead-in form. - emitted-drift ack reason updated: +8 -> +10 bytes across five transitions (31987 -> 31997), DEFAULT tier, cap 40960. --------- Co-authored-by: CI Rebase Check <ci@gsd-redux> Co-authored-by: Tom Boucher <trekkie@nomorestars.com>
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