diff --git a/.agents/skills/gstack-browse/SKILL.md b/.agents/skills/gstack-browse/SKILL.md
index db405e47..02887cf4 100644
--- a/.agents/skills/gstack-browse/SKILL.md
+++ b/.agents/skills/gstack-browse/SKILL.md
@@ -35,7 +35,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"browse","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-design-consultation/SKILL.md b/.agents/skills/gstack-design-consultation/SKILL.md
index 8d018781..1f2e4d21 100644
--- a/.agents/skills/gstack-design-consultation/SKILL.md
+++ b/.agents/skills/gstack-design-consultation/SKILL.md
@@ -36,7 +36,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"design-consultation","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-design-review/SKILL.md b/.agents/skills/gstack-design-review/SKILL.md
index 2a7d26b2..1106b35f 100644
--- a/.agents/skills/gstack-design-review/SKILL.md
+++ b/.agents/skills/gstack-design-review/SKILL.md
@@ -36,7 +36,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"design-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-document-release/SKILL.md b/.agents/skills/gstack-document-release/SKILL.md
index 9249b0be..eaa3aa27 100644
--- a/.agents/skills/gstack-document-release/SKILL.md
+++ b/.agents/skills/gstack-document-release/SKILL.md
@@ -34,7 +34,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"document-release","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-investigate/SKILL.md b/.agents/skills/gstack-investigate/SKILL.md
index 39f5910e..c3581e8f 100644
--- a/.agents/skills/gstack-investigate/SKILL.md
+++ b/.agents/skills/gstack-investigate/SKILL.md
@@ -37,7 +37,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"investigate","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-office-hours/SKILL.md b/.agents/skills/gstack-office-hours/SKILL.md
index eb1b7084..b2f33901 100644
--- a/.agents/skills/gstack-office-hours/SKILL.md
+++ b/.agents/skills/gstack-office-hours/SKILL.md
@@ -38,7 +38,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"office-hours","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-plan-ceo-review/SKILL.md b/.agents/skills/gstack-plan-ceo-review/SKILL.md
index 9e450566..1749690e 100644
--- a/.agents/skills/gstack-plan-ceo-review/SKILL.md
+++ b/.agents/skills/gstack-plan-ceo-review/SKILL.md
@@ -37,7 +37,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"plan-ceo-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-plan-design-review/SKILL.md b/.agents/skills/gstack-plan-design-review/SKILL.md
index e431d72c..06e72e3f 100644
--- a/.agents/skills/gstack-plan-design-review/SKILL.md
+++ b/.agents/skills/gstack-plan-design-review/SKILL.md
@@ -36,7 +36,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"plan-design-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-plan-eng-review/SKILL.md b/.agents/skills/gstack-plan-eng-review/SKILL.md
index 01233079..c56c6a21 100644
--- a/.agents/skills/gstack-plan-eng-review/SKILL.md
+++ b/.agents/skills/gstack-plan-eng-review/SKILL.md
@@ -35,7 +35,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"plan-eng-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-qa-only/SKILL.md b/.agents/skills/gstack-qa-only/SKILL.md
index 6a6f8a7d..fef5795e 100644
--- a/.agents/skills/gstack-qa-only/SKILL.md
+++ b/.agents/skills/gstack-qa-only/SKILL.md
@@ -34,7 +34,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"qa-only","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-qa/SKILL.md b/.agents/skills/gstack-qa/SKILL.md
index 0617c447..d79360e8 100644
--- a/.agents/skills/gstack-qa/SKILL.md
+++ b/.agents/skills/gstack-qa/SKILL.md
@@ -37,7 +37,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"qa","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-retro/SKILL.md b/.agents/skills/gstack-retro/SKILL.md
index 2a30b527..3ac721c6 100644
--- a/.agents/skills/gstack-retro/SKILL.md
+++ b/.agents/skills/gstack-retro/SKILL.md
@@ -34,7 +34,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"retro","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
@@ -428,7 +429,7 @@ From commit diffs, estimate PR sizes and bucket them:
 - **Small** (<100 LOC)
 - **Medium** (100-500 LOC)
 - **Large** (500-1500 LOC)
-- **XL** (1500+ LOC) — flag these with file counts
+- **XL** (1500+ LOC)
 
 ### Step 8: Focus Score + Ship of the Week
 
@@ -620,14 +621,13 @@ Narrative interpreting what the team-wide patterns mean:
 
 Narrative covering:
 - Commit type mix and what it reveals
-- PR size discipline (are PRs staying small?)
+- PR size distribution and what it reveals about shipping cadence
 - Fix-chain detection (sequences of fix commits on the same subsystem)
 - Version bump discipline
 
 ### Code Quality Signals
 - Test LOC ratio trend
 - Hotspot analysis (are the same files churning?)
-- Any XL PRs that should have been split
 - Greptile signal ratio and trend (if history exists): "Greptile: X% signal (Y valid catches, Z false positives)"
 
 ### Test Health
@@ -666,7 +666,7 @@ For each teammate (sorted by commits descending), write a section:
   - "Fixed the N+1 query that was causing 2s load times on the dashboard"
 - **Opportunity for growth**: 1 specific, constructive suggestion. Frame as investment, not criticism. Examples:
   - "Test coverage on the payment module is at 8% — worth investing in before the next feature lands on top of it"
-  - "3 of the 5 PRs were 800+ LOC — breaking these up would catch issues earlier and make review easier"
+  - "Most commits land in a single burst — spacing work across the day could reduce context-switching fatigue"
   - "All commits land between 1-4am — sustainable pace matters for code quality long-term"
 
 **AI collaboration note:** If many commits have `Co-Authored-By` AI trailers (e.g., Claude, Copilot), note the AI-assisted commit percentage as a team metric. Frame it neutrally — "N% of commits were AI-assisted" — without judgment.
diff --git a/.agents/skills/gstack-review/SKILL.md b/.agents/skills/gstack-review/SKILL.md
index ab00c53e..67cd0992 100644
--- a/.agents/skills/gstack-review/SKILL.md
+++ b/.agents/skills/gstack-review/SKILL.md
@@ -33,7 +33,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-setup-browser-cookies/SKILL.md b/.agents/skills/gstack-setup-browser-cookies/SKILL.md
index 34f95391..3afbc119 100644
--- a/.agents/skills/gstack-setup-browser-cookies/SKILL.md
+++ b/.agents/skills/gstack-setup-browser-cookies/SKILL.md
@@ -33,7 +33,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"setup-browser-cookies","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack-ship/SKILL.md b/.agents/skills/gstack-ship/SKILL.md
index 24a770be..389d14f6 100644
--- a/.agents/skills/gstack-ship/SKILL.md
+++ b/.agents/skills/gstack-ship/SKILL.md
@@ -31,7 +31,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"ship","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/.agents/skills/gstack/SKILL.md b/.agents/skills/gstack/SKILL.md
index 4bb9ba17..71c9dde2 100644
--- a/.agents/skills/gstack/SKILL.md
+++ b/.agents/skills/gstack/SKILL.md
@@ -66,7 +66,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"gstack","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.codex/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/SKILL.md b/SKILL.md
index 46b7a558..735b1a2d 100644
--- a/SKILL.md
+++ b/SKILL.md
@@ -72,7 +72,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"gstack","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/browse/SKILL.md b/browse/SKILL.md
index 2acf60b0..cbb5986c 100644
--- a/browse/SKILL.md
+++ b/browse/SKILL.md
@@ -41,7 +41,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"browse","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/codex/SKILL.md b/codex/SKILL.md
index 77705f7e..a30d9739 100644
--- a/codex/SKILL.md
+++ b/codex/SKILL.md
@@ -42,7 +42,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"codex","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/design-consultation/SKILL.md b/design-consultation/SKILL.md
index cc21fa7e..9c1f8bf7 100644
--- a/design-consultation/SKILL.md
+++ b/design-consultation/SKILL.md
@@ -46,7 +46,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"design-consultation","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/design-review/SKILL.md b/design-review/SKILL.md
index cbc0d5e8..24d1953b 100644
--- a/design-review/SKILL.md
+++ b/design-review/SKILL.md
@@ -46,7 +46,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"design-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/document-release/SKILL.md b/document-release/SKILL.md
index d71d5d3b..8acb0dca 100644
--- a/document-release/SKILL.md
+++ b/document-release/SKILL.md
@@ -43,7 +43,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"document-release","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/investigate/SKILL.md b/investigate/SKILL.md
index eccce870..928f5918 100644
--- a/investigate/SKILL.md
+++ b/investigate/SKILL.md
@@ -56,7 +56,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"investigate","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/office-hours/SKILL.md b/office-hours/SKILL.md
index 2a2e7583..e8e14217 100644
--- a/office-hours/SKILL.md
+++ b/office-hours/SKILL.md
@@ -47,7 +47,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"office-hours","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/plan-ceo-review/SKILL.md b/plan-ceo-review/SKILL.md
index fdf95164..e96ad8aa 100644
--- a/plan-ceo-review/SKILL.md
+++ b/plan-ceo-review/SKILL.md
@@ -45,7 +45,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"plan-ceo-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/plan-design-review/SKILL.md b/plan-design-review/SKILL.md
index 1483e6e8..49793d31 100644
--- a/plan-design-review/SKILL.md
+++ b/plan-design-review/SKILL.md
@@ -44,7 +44,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"plan-design-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/plan-eng-review/SKILL.md b/plan-eng-review/SKILL.md
index 63fda40b..fccef289 100644
--- a/plan-eng-review/SKILL.md
+++ b/plan-eng-review/SKILL.md
@@ -44,7 +44,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"plan-eng-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/qa-only/SKILL.md b/qa-only/SKILL.md
index 1d2479d1..ffaf0d0b 100644
--- a/qa-only/SKILL.md
+++ b/qa-only/SKILL.md
@@ -40,7 +40,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"qa-only","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/qa/SKILL.md b/qa/SKILL.md
index 92799a0d..a06aaed6 100644
--- a/qa/SKILL.md
+++ b/qa/SKILL.md
@@ -47,7 +47,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"qa","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/retro/SKILL.md b/retro/SKILL.md
index ff4f7283..8ef1ebd7 100644
--- a/retro/SKILL.md
+++ b/retro/SKILL.md
@@ -41,7 +41,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"retro","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/review/SKILL.md b/review/SKILL.md
index 4a646f6e..3ca2c708 100644
--- a/review/SKILL.md
+++ b/review/SKILL.md
@@ -42,7 +42,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/setup-browser-cookies/SKILL.md b/setup-browser-cookies/SKILL.md
index ac2d873c..4a847cb5 100644
--- a/setup-browser-cookies/SKILL.md
+++ b/setup-browser-cookies/SKILL.md
@@ -38,7 +38,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"setup-browser-cookies","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/ship/SKILL.md b/ship/SKILL.md
index 232a23e0..c4ba86b2 100644
--- a/ship/SKILL.md
+++ b/ship/SKILL.md
@@ -41,7 +41,8 @@ echo "TELEMETRY: ${_TEL:-off}"
 echo "TEL_PROMPTED: $_TEL_PROMPTED"
 mkdir -p ~/.gstack/analytics
 echo '{"skill":"ship","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true
-for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
+# zsh-compatible: check if .pending-* files exist before looping
+[ -n "$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)" ] && for _PF in ~/.gstack/analytics/.pending-*; do [ -f "$_PF" ] && ~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true; break; done
 ```
 
 If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
diff --git a/test/gen-skill-docs.test.ts b/test/gen-skill-docs.test.ts
index 64b39118..ebc125fc 100644
--- a/test/gen-skill-docs.test.ts
+++ b/test/gen-skill-docs.test.ts
@@ -165,6 +165,17 @@ describe('gen-skill-docs', () => {
     expect(content).toContain('~/.gstack/analytics');
   });
 
+  test('preamble .pending-* glob is zsh-safe (guarded by ls check)', () => {
+    for (const skill of ALL_SKILLS) {
+      const content = fs.readFileSync(path.join(ROOT, skill.dir, 'SKILL.md'), 'utf-8');
+      if (!content.includes('.pending-')) continue;
+      // Must NOT have a bare "for _PF in .../.pending-*" without the ls guard
+      expect(content).not.toMatch(/(?<!ls [^\n]*)\bfor _PF in [^\n]*\.pending-\*/);
+      // Must have the zsh-compatible ls guard
+      expect(content).toContain('$(ls ~/.gstack/analytics/.pending-* 2>/dev/null)');
+    }
+  });
+
   test('preamble-using skills have correct skill name in telemetry', () => {
     const PREAMBLE_SKILLS = [
       { dir: '.', name: 'gstack' },