fix: hide runtime skills from Claude (keep codex/kimi visible)

Author: Rubiczhang

scripts/install-skill.sh

@@ -147,6 +147,42 @@ hydrate_skill_runtime_root() {
     done
 }
 
+strip_user_invocable_for_runtime() {
+    local target_dir="$1"
+    local skill
+    local skill_file
+    local tmp
+
+    for skill in "${SKILL_NAMES[@]}"; do
+        skill_file="$target_dir/$skill/SKILL.md"
+        [[ -f "$skill_file" ]] || continue
+
+        if [[ "$DRY_RUN" == "true" ]]; then
+            log "DRY-RUN strip user-invocable in $skill_file"
+            continue
+        fi
+
+        tmp="$(mktemp)"
+        awk '
+            BEGIN { in_fm = 0; fm_done = 0 }
+            /^---[[:space:]]*$/ {
+                if (fm_done == 0) {
+                    in_fm = !in_fm
+                    if (in_fm == 0) {
+                        fm_done = 1
+                    }
+                }
+                print
+                next
+            }
+            in_fm && $0 ~ /^user-invocable:[[:space:]]*/ { next }
+            { print }
+        ' "$skill_file" > "$tmp" \
+            || { rm -f "$tmp"; die "failed to update $skill_file"; }
+        mv "$tmp" "$skill_file"
+    done
+}
+
 sync_target() {
     local label="$1"
     local target_dir="$2"
@@ -164,6 +200,7 @@ sync_target() {
     done
     install_runtime_bundle "$target_dir"
     hydrate_skill_runtime_root "$target_dir"
+    strip_user_invocable_for_runtime "$target_dir"
 }
 
 while [[ $# -gt 0 ]]; do

skills/humanize-gen-plan/SKILL.md

@@ -2,6 +2,7 @@
 name: humanize-gen-plan
 description: Generate a structured implementation plan from a draft document. Validates input, checks relevance, analyzes for issues, and generates a complete plan.md with acceptance criteria.
 type: flow
+user-invocable: false
 ---
 
 # Humanize Generate Plan

skills/humanize-rlcr/SKILL.md

@@ -2,6 +2,7 @@
 name: humanize-rlcr
 description: Start RLCR (Ralph-Loop with Codex Review) with hook-equivalent enforcement from skill mode by reusing the existing stop-hook logic.
 type: flow
+user-invocable: false
 ---
 
 # Humanize RLCR Loop (Hook-Equivalent)

skills/humanize/SKILL.md

@@ -1,6 +1,7 @@
 ---
 name: humanize
 description: Iterative development with AI review. Provides RLCR (Ralph-Loop with Codex Review) for implementation planning and code review loops, plus PR review automation with bot monitoring.
+user-invocable: false
 ---
 
 # Humanize - Iterative Development with AI Review