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feat(w21-24kl): batch 18 — remove old hook-based guards
Remove hook_bug_close_guard from pre-bash-functions.sh and its dispatch call. Delete closed-parent-guard.sh (dead code) and bug-close-guard.sh (thin wrapper). Remove stale test cases from test-hook-optimization.sh and test-pre-bash-dispatcher.sh. Delete test-pre-bash-functions-ticket- guards.sh entirely. Clean .test-index and dev-onboarding SKILL.md hook inventory. CLI-native guards in ticket-transition/create/link now handle all enforcement. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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.test-index

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@@ -18,9 +18,7 @@ plugins/dso/docs/workflows/REVIEW-WORKFLOW.md:tests/workflows/test-review-workfl
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plugins/dso/hooks/dispatchers/pre-bash.sh:tests/hooks/test-pre-bash-dispatcher.sh
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plugins/dso/hooks/dispatchers/pre-edit.sh:tests/hooks/test-pre-edit-write-dispatcher.sh
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plugins/dso/hooks/dispatchers/pre-write.sh:tests/hooks/test-pre-edit-write-dispatcher.sh
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plugins/dso/hooks/closed-parent-guard.sh:tests/hooks/test-pre-bash-functions-ticket-guards.sh [test_bug_close_guard_fires_on_ticket_transition_closed]
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plugins/dso/hooks/compute-diff-hash.sh:tests/hooks/test-compute-diff-hash-tickets-tracker.sh [test_allowlist_uses_tickets_tracker_path]
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plugins/dso/hooks/lib/pre-bash-functions.sh:tests/hooks/test-pre-bash-functions-ticket-guards.sh [test_bug_close_guard_fires_on_ticket_transition_closed]
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plugins/dso/hooks/lib/review-gate-allowlist.conf:tests/hooks/test-review-gate-allowlist.sh,tests/hooks/test-compute-diff-hash-tickets-tracker.sh [test_allowlist_uses_tickets_tracker_path]
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plugins/dso/scripts/check-local-env.sh:tests/scripts/test-check-local-env-portability.sh,tests/scripts/test-check-local-env-docker-skip.sh,tests/scripts/test-check-local-env-generic.sh
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plugins/dso/scripts/check-script-writes.py:tests/scripts/test-check-script-writes.sh

.tickets/.sync-state.json

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"last_synced": "2026-03-19T18:38:35Z",
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"local_hash": "14c516947a151a3db8bdec4010e2fd6e"
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},
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"last_pull_timestamp": "2026-03-23T19:53:22Z",
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"last_sync_commit": "6b2b392c16ea83bc83c5f2906c745e2c2690326b",
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"last_pull_timestamp": "2026-03-23T20:17:37Z",
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"last_sync_commit": "d71e356f714a70cdc98c0624fac743dd3073793e",
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"w21-5cqr": {
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"jira_hash": "bce29d76f01c58613ee99cb1dd03920d",
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"jira_key": "DIG-61",

.tickets/dso-1459.md

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---
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id: dso-1459
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status: in_progress
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status: closed
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deps: [dso-bdk5, dso-sroj]
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links: []
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created: 2026-03-23T17:34:49Z

.tickets/dso-9p30.md

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---
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id: dso-9p30
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status: in_progress
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status: closed
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deps: [dso-bdk5, dso-sroj]
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links: []
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created: 2026-03-23T17:34:49Z

.tickets/dso-b25k.md

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---
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id: dso-b25k
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status: open
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status: in_progress
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deps: [dso-jyob, dso-1459, dso-9p30]
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links: []
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created: 2026-03-23T17:34:49Z
@@ -29,3 +29,39 @@ Remove old hook-based guards:
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Pre-T6 verification: confirm that tk close routes through tk cmd_status (writes .tickets/ flat files, NOT ticket-transition.sh). The enforcement gap for tk close is acceptable — tk is being removed in story w21-gy45 (cleanup). Document this in the commit message.
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## ACCEPTANCE CRITERIA
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- [ ] hook_bug_close_guard function removed from pre-bash-functions.sh
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Verify: { grep -q 'hook_bug_close_guard' plugins/dso/hooks/lib/pre-bash-functions.sh; test $? -ne 0; }
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- [ ] hook_bug_close_guard call removed from dispatchers/pre-bash.sh
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Verify: { grep -q 'hook_bug_close_guard' plugins/dso/hooks/dispatchers/pre-bash.sh; test $? -ne 0; }
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- [ ] closed-parent-guard.sh deleted
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Verify: test ! -f plugins/dso/hooks/closed-parent-guard.sh
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- [ ] bug-close-guard.sh deleted
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Verify: test ! -f plugins/dso/hooks/bug-close-guard.sh
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- [ ] Bash syntax validation passes
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Verify: bash -n plugins/dso/hooks/lib/pre-bash-functions.sh && bash -n plugins/dso/hooks/dispatchers/pre-bash.sh
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**2026-03-23T20:01:52Z**
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CHECKPOINT 1/6: Task context loaded ✓
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**2026-03-23T20:02:18Z**
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CHECKPOINT 2/6: Code patterns understood ✓
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**2026-03-23T20:02:22Z**
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CHECKPOINT 3/6: Tests written (none required) ✓
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**2026-03-23T20:11:24Z**
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CHECKPOINT 4/6: Implementation complete ✓
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**2026-03-23T20:11:29Z**
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CHECKPOINT 5/6: Validation passed ✓ — all 5 ACs pass; syntax check clean; test-pre-bash-dispatcher.sh has 1 pre-existing failure (test_pre_bash_dispatcher_non_exit2_codes_pass_through) that predates this batch
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**2026-03-23T20:11:42Z**
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CHECKPOINT 6/6: Done ✓ — PRE-T6 verified: tk close routes through cmd_status (writes .tickets/ flat files, NOT ticket-transition.sh). Enforcement gap for tk close is acceptable — tk is being removed in story w21-gy45.

.tickets/dso-jyob.md

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---
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id: dso-jyob
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status: in_progress
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status: closed
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deps: [dso-bdk5, dso-sroj]
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links: []
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created: 2026-03-23T17:34:49Z

plugins/dso/hooks/bug-close-guard.sh

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plugins/dso/hooks/closed-parent-guard.sh

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plugins/dso/hooks/dispatchers/pre-bash.sh

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# 3. hook_review_bypass_sentinel (block bypass vectors: --no-verify, hooksPath, commit-tree)
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# 4. hook_worktree_bash_guard
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# 5. hook_worktree_edit_guard
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# 6. hook_bug_close_guard
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# 7. hook_review_integrity_guard
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# 8. hook_blocked_test_command (block broad test commands, redirect to validate.sh)
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# 9. hook_tickets_tracker_bash_guard — block Bash commands referencing .tickets-tracker/
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# 6. hook_review_integrity_guard
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# 7. hook_blocked_test_command (block broad test commands, redirect to validate.sh)
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# 8. hook_tickets_tracker_bash_guard — block Bash commands referencing .tickets-tracker/
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#
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# NOTE: hook_review_gate was removed in Story 1idf. Review gate enforcement is
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# now two-layer:
@@ -99,7 +98,6 @@ _pre_bash_dispatch() {
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hook_review_bypass_sentinel \
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hook_worktree_bash_guard \
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hook_worktree_edit_guard \
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hook_bug_close_guard \
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hook_review_integrity_guard \
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hook_blocked_test_command \
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hook_tickets_tracker_bash_guard

plugins/dso/hooks/lib/pre-bash-functions.sh

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# hook_commit_failure_tracker — warn at commit time about untracked failures
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# hook_worktree_bash_guard — block cd into main repo from worktree
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# hook_worktree_edit_guard — block mkdir targeting main repo from worktree
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# hook_bug_close_guard — require --reason flag on bug ticket closes
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# hook_review_integrity_guard — block direct writes to review-status files
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# hook_blocked_test_command — block broad test commands, redirect to validate.sh
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# hook_tickets_tracker_bash_guard — block Bash commands referencing .tickets-tracker/
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return 0
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}
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# ---------------------------------------------------------------------------
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# hook_bug_close_guard
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# ---------------------------------------------------------------------------
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# PreToolUse hook: enforce --reason flag on bug ticket closes.
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hook_bug_close_guard() {
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local INPUT="$1"
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local HOOK_ERROR_LOG="$HOME/.claude/hook-error-log.jsonl"
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trap 'printf "{\"ts\":\"%s\",\"hook\":\"bug-close-guard\",\"line\":%s}\n" "$(date -u +%Y-%m-%dT%H:%M:%SZ)" "$LINENO" >> "$HOOK_ERROR_LOG" 2>/dev/null; return 0' ERR
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# Early-exit: skip unless command contains 'tk' (substring match)
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if [[ "$INPUT" != *"tk"* ]]; then
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return 0
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fi
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local COMMAND
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COMMAND=$(parse_json_field "$INPUT" '.tool_input.command')
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if [[ -z "$COMMAND" ]]; then
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return 0
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fi
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# Only act on `tk close` commands
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if ! [[ "$COMMAND" =~ tk[[:space:]]+close[[:space:]]+([^[:space:]]+) ]]; then
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return 0
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fi
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local TICKET_ID="${BASH_REMATCH[1]}"
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# Find ticket file
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local REPO_ROOT
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REPO_ROOT=$(git rev-parse --show-toplevel 2>/dev/null || echo "")
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if [[ -z "$REPO_ROOT" ]]; then
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return 0
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fi
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local TICKET_FILE=""
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if [[ -f "$REPO_ROOT/.tickets/${TICKET_ID}.md" ]]; then
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TICKET_FILE="$REPO_ROOT/.tickets/${TICKET_ID}.md"
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else
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TICKET_FILE=$(find "$REPO_ROOT/.tickets" -maxdepth 1 -name "*${TICKET_ID}.md" ! -name "*${TICKET_ID}.*.*" 2>/dev/null | head -1)
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fi
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if [[ -z "$TICKET_FILE" ]] || [[ ! -f "$TICKET_FILE" ]]; then
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return 0
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fi
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# Read type from frontmatter
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local TICKET_TYPE
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TICKET_TYPE=$(head -10 "$TICKET_FILE" | grep -m1 '^type:' | sed 's/^type:[[:space:]]*//' | tr -d '[:space:]')
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# Non-bug tickets are always allowed
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if [[ "$TICKET_TYPE" != "bug" ]]; then
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return 0
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fi
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# Bug ticket — require --reason flag
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if [[ "$COMMAND" != *"--reason"* ]]; then
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echo "BLOCKED [bug-close-guard]: Bug tickets require --reason flag." >&2
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echo "Add --reason=\"Fixed: <description>\" or --reason=\"Escalated to user: <findings>\"" >&2
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trap - ERR; return 2
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fi
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# Check for investigation-only language without escalation
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local INVESTIGATION_PATTERN='(Investigated|investigated|code path|works correctly|no fix needed|correct behavior|feature works correctly|no code change)'
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local ESCALATION_PATTERN='([Ee]scalat|[Uu]ser confirmed|[Uu]ser decision|[Uu]ser approved|[Bb]y design|[Ww]orks as designed)'
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if [[ "$COMMAND" =~ $INVESTIGATION_PATTERN ]] && ! [[ "$COMMAND" =~ $ESCALATION_PATTERN ]]; then
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echo "WARNING [bug-close-guard]: Reason looks like investigation findings, not a fix." >&2
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echo "Consider using --reason=\"Escalated to user: <findings>\" instead." >&2
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return 0
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fi
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return 0
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}
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# ---------------------------------------------------------------------------
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# hook_tool_use_guard
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# ---------------------------------------------------------------------------

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