Sibling Claude session 2026-05-30 found that lastTurnEntries treats
harness-injected skill bodies as spurious turn boundaries, breaking both
enforce-memory-coverage (can't find user's coverage line) AND
enforce-normative-content-rules::detectLegitSkillActive (can't find the
Skill tool_use that lives in the assistant message BEFORE the body).
Refinement applied here: this session inspected 29 isMeta:true entries
across the live transcript (8f4ba767-...jsonl) via a debug helper and
found isMeta:true is ALSO used for "Continue from where you left off"
auto-resume, Stop hook feedback strings, and <local-command-caveat>
wrappers — those are real user-equivalent boundaries that must remain
visible. Sibling's blanket "skip isMeta" proposal would have broken them.
Discriminator: skip ONLY when isMeta === true AND typeof sourceToolUseID
=== 'string' (tool-spawned content). Skill bodies have the linking field;
the other isMeta sources do not. The sourceToolUseID field is harness-
controlled and not writable by controller from inside a tool call —
cannot be spoofed.
Behaviour after fix:
* Skill body injection → skipped → walk continues back to find user's
real prompt (with coverage line).
* The assistant message containing the Skill tool_use is now inside the
turn → detectLegitSkillActive finds it → normative writes pass when
invoked under an active claude-md-management skill.
* "Continue from where you left off." → still treated as turn boundary.
* Stop hook feedback strings → still treated as turn boundary.
TDD:
* 3 new tests in tools/enforce-hook-helpers.test.mjs under the
"lastTurnEntries / lastUserPromptText / lastAssistantText / turnToolUses"
describe block:
- lastTurnEntries skips skill body injections (isMeta + sourceToolUseID)
- lastTurnEntries does NOT skip "Continue from where you left off"
(isMeta but no sourceToolUseID)
- turnToolUses includes Skill tool_use spawned in same turn as the
injected skill body
* 2/3 RED→GREEN (the "Continue" negative test passed on baseline already
since its string content satisfies the existing string-content branch).
Scope:
* Fixes 2 of the 5 structural quirks documented in the Stream H
completion log (enforce-memory-coverage gap, enforce-normative-
content-rules detectLegitSkillActive gap).
* Does NOT fix: enforce-read-path-deny LEGIT_SKILLS exemption gap
(separate hook, no lastTurnEntries dependency); TDD-gate cross-actor
blindness (different mechanism — actor session boundaries);
detectFullTestRun regex narrowness (command-pattern matching).
Regression: vitest tools 1788/1788 GREEN (was 1785; +3 new tests).
Plan: docs/superpowers/plans/2026-05-30-lastturnentries-skill-body-skip.md
Дмитрий
ffd70d6fa5
