Merge a53892b4c4 into a3259400a3

SKILL.md

@@ -78,6 +78,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"gstack","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -150,6 +152,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

autoplan/SKILL.md

@@ -88,6 +88,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"autoplan","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -160,6 +162,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

benchmark-models/SKILL.md

@@ -82,6 +82,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"benchmark-models","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -154,6 +156,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

benchmark/SKILL.md

@@ -82,6 +82,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"benchmark","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -154,6 +156,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

browse/SKILL.md

@@ -80,6 +80,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"browse","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -152,6 +154,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

canary/SKILL.md

@@ -80,6 +80,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"canary","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -152,6 +154,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

codex/SKILL.md

@@ -83,6 +83,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"codex","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -155,6 +157,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

context-restore/SKILL.md

@@ -84,6 +84,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"context-restore","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -156,6 +158,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

context-save/SKILL.md

@@ -83,6 +83,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"context-save","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -155,6 +157,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

cso/SKILL.md

@@ -86,6 +86,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"cso","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -158,6 +160,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

design-consultation/SKILL.md

@@ -106,6 +106,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"design-consultation","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -178,6 +180,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

design-html/SKILL.md

@@ -87,6 +87,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"design-html","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -159,6 +161,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

design-review/SKILL.md

@@ -84,6 +84,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"design-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -156,6 +158,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

design-shotgun/SKILL.md

@@ -101,6 +101,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"design-shotgun","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -173,6 +175,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

devex-review/SKILL.md

@@ -86,6 +86,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"devex-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -158,6 +160,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

diagram/SKILL.md

@@ -81,6 +81,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"diagram","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -153,6 +155,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

document-generate/SKILL.md

@@ -86,6 +86,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"document-generate","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -158,6 +160,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

document-release/SKILL.md

@@ -84,6 +84,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"document-release","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -156,6 +158,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

health/SKILL.md

@@ -82,6 +82,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"health","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -154,6 +156,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

investigate/SKILL.md

@@ -121,6 +121,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"investigate","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -193,6 +195,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

ios-clean/SKILL.md

@@ -84,6 +84,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"ios-clean","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -156,6 +158,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

ios-design-review/SKILL.md

@@ -86,6 +86,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"ios-design-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -158,6 +160,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

ios-fix/SKILL.md

@@ -87,6 +87,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"ios-fix","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -159,6 +161,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

ios-qa/SKILL.md

@@ -90,6 +90,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"ios-qa","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -162,6 +164,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

ios-sync/SKILL.md

@@ -84,6 +84,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"ios-sync","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -156,6 +158,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

land-and-deploy/SKILL.md

@@ -79,6 +79,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"land-and-deploy","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -151,6 +153,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

landing-report/SKILL.md

@@ -80,6 +80,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"landing-report","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -152,6 +154,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

learn/SKILL.md

@@ -82,6 +82,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"learn","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -154,6 +156,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

make-pdf/SKILL.md

@@ -81,6 +81,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"make-pdf","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -189,6 +191,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

office-hours/SKILL.md

@@ -117,6 +117,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"office-hours","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -189,6 +191,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

open-gstack-browser/SKILL.md

@@ -79,6 +79,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"open-gstack-browser","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -151,6 +153,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

pair-agent/SKILL.md

@@ -81,6 +81,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"pair-agent","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -153,6 +155,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

plan-ceo-review/SKILL.md

@@ -111,6 +111,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"plan-ceo-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -183,6 +185,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

plan-design-review/SKILL.md

@@ -83,6 +83,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"plan-design-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -155,6 +157,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

plan-devex-review/SKILL.md

@@ -89,6 +89,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"plan-devex-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -161,6 +163,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

plan-eng-review/SKILL.md

@@ -87,6 +87,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"plan-eng-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -159,6 +161,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

plan-tune/SKILL.md

@@ -92,6 +92,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"plan-tune","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -164,6 +166,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

qa-only/SKILL.md

@@ -82,6 +82,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"qa-only","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -154,6 +156,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

qa/SKILL.md

@@ -88,6 +88,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"qa","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -160,6 +162,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

retro/SKILL.md

@@ -99,6 +99,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"retro","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -171,6 +173,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

review/SKILL.md

@@ -84,6 +84,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -156,6 +158,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

scrape/SKILL.md

@@ -80,6 +80,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"scrape","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -152,6 +154,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

scripts/resolvers/preamble/generate-preamble-bash.ts

@@ -67,6 +67,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(${ctx.paths.binDir}/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(${ctx.paths.binDir}/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"${ctx.skillName}","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "\${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true

scripts/resolvers/preamble/generate-upgrade-check.ts

@@ -5,6 +5,8 @@ export function generateUpgradeCheck(ctx: TemplateContext): string {
 
 If \`SKILL_PREFIX\` is \`"true"\`, suggest/invoke \`/gstack-*\` names. Disk paths stay \`${ctx.paths.skillRoot}/[skill-name]/SKILL.md\`.
 
+If \`UPDATE_CHECK\` is \`"false"\`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no \`UPGRADE_AVAILABLE\` / \`JUST_UPGRADED\` output to act on.
+
 If output shows \`UPGRADE_AVAILABLE <old> <new>\`: read \`${ctx.paths.skillRoot}/gstack-upgrade/SKILL.md\` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows \`JUST_UPGRADED <from> <to>\`: print "Running gstack v{to} (just updated!)". If \`SPAWNED_SESSION\` is true, skip feature discovery.

setup-browser-cookies/SKILL.md

@@ -76,6 +76,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"setup-browser-cookies","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -148,6 +150,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

setup-deploy/SKILL.md

@@ -83,6 +83,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"setup-deploy","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -155,6 +157,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

setup-gbrain/SKILL.md

@@ -82,6 +82,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"setup-gbrain","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -154,6 +156,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

ship/SKILL.md

@@ -84,6 +84,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"ship","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -156,6 +158,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

skillify/SKILL.md

@@ -80,6 +80,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"skillify","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -152,6 +154,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

spec/SKILL.md

@@ -81,6 +81,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"spec","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -153,6 +155,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.
@@ -1151,6 +1155,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"spec","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -1223,6 +1229,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

sync-gbrain/SKILL.md

@@ -82,6 +82,8 @@ if [ "$_EXPLAIN_LEVEL" != "default" ] && [ "$_EXPLAIN_LEVEL" != "terse" ]; then
 echo "EXPLAIN_LEVEL: $_EXPLAIN_LEVEL"
 _QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
 echo "QUESTION_TUNING: $_QUESTION_TUNING"
+_UPDATE_CHECK=$(~/.claude/skills/gstack/bin/gstack-config get update_check 2>/dev/null || echo "true")
+echo "UPDATE_CHECK: $_UPDATE_CHECK"
 mkdir -p ~/.gstack/analytics
 if [ "$_TEL" != "off" ]; then
 echo '{"skill":"sync-gbrain","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:-unknown}")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
@@ -154,6 +156,8 @@ If `PROACTIVE` is `"false"`, do not auto-invoke or proactively suggest skills. I
 
 If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
 
+If `UPDATE_CHECK` is `"false"`, skip the next two lines — the update-check binary emits nothing in that mode, so there is no `UPGRADE_AVAILABLE` / `JUST_UPGRADED` output to act on.
+
 If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined).
 
 If output shows `JUST_UPGRADED <from> <to>`: print "Running gstack v{to} (just updated!)". If `SPAWNED_SESSION` is true, skip feature discovery.

test/gen-skill-docs.test.ts

@@ -325,6 +325,31 @@ describe('gen-skill-docs', () => {
     expect(content).toContain('git branch --show-current');
   });
 
+  // #2001: update_check: false silences the binary but the upgrade-handling
+  // instruction prose used to ship unconditionally. Every skill that carries
+  // the runtime config-echo cluster must (a) echo UPDATE_CHECK so the
+  // instruction layer can read it, and (b) gate the UPGRADE_AVAILABLE /
+  // JUST_UPGRADED prose on it — the same echo-then-gate convention every other
+  // flag (PROACTIVE, SKILL_PREFIX, EXPLAIN_LEVEL, QUESTION_TUNING) follows.
+  test('update_check opt-out gates preamble echo and upgrade-handling prose (issue #2001)', () => {
+    let checked = 0;
+    for (const skill of CLAUDE_GENERATED_SKILLS) {
+      const content = fs.readFileSync(path.join(ROOT, skill.dir, 'SKILL.md'), 'utf-8');
+      // Scope: only skills that render the runtime config-echo cluster.
+      if (!content.includes('echo "QUESTION_TUNING: $_QUESTION_TUNING"')) continue;
+      checked++;
+      expect(content, `${skill.dir} must echo UPDATE_CHECK`).toContain('echo "UPDATE_CHECK: $_UPDATE_CHECK"');
+      expect(content, `${skill.dir} must read update_check config`).toContain('_UPDATE_CHECK=$(');
+      // Whenever the upgrade-handling prose ships, it must gate on the flag.
+      if (content.includes('UPGRADE_AVAILABLE <old> <new>')) {
+        expect(content, `${skill.dir} upgrade prose must gate on UPDATE_CHECK`)
+          .toContain('If `UPDATE_CHECK` is `"false"`');
+      }
+    }
+    // Guard against the scope filter silently matching nothing.
+    expect(checked).toBeGreaterThan(0);
+  });
+
   test('tier 2+ skills contain ELI10 simplification rules (AskUserQuestion format)', () => {
     // Root SKILL.md is tier 1 (no AskUserQuestion format). Check a tier 2+ skill instead.
     // v1.7.0.0 Pros/Cons format uses "ELI10 (ALWAYS)" rather than "Simplify (ELI10".