♻️ refactor(skills): rename repo skills source dir

move the repository skills source from `codex/skills` to `skills`.

update vendor/install_skills paths, thirdparty sync pipeline, docs, and regression tests, including deployment-route e2e coverage.

.gitea/ci/sync_thirdparty_skills.sh

@@ -36,7 +36,7 @@ for entry in data["sources"]:
 PY
 }
 
-render_codex_skill() {
+render_skill() {
   local snapshot_root="$1"
   local output_dir="$2"
   local platform_config_rel="$3"
@@ -101,8 +101,8 @@ PY
 
 tracked_skill_exists() {
   local name="$1"
-  # conflict only if a first-party SKILL.md exists directly under codex/skills/<name>/
-  [ -f "codex/skills/$name/SKILL.md" ]
+  # conflict only if a first-party SKILL.md exists directly under skills/<name>/
+  [ -f "skills/$name/SKILL.md" ]
 }
 
 
@@ -122,7 +122,7 @@ trap cleanup EXIT
 
 git checkout -B "$TARGET_BRANCH" "origin/$TARGET_BRANCH"
 
-mkdir -p "codex/skills/thirdparty/.sources"
+mkdir -p "skills/thirdparty/.sources"
 
 sources_file="$tmp_dir/sources.tsv"
 if ! emit_sources_tsv > "$sources_file"; then
@@ -136,7 +136,7 @@ while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_su
   if [ -f "$source_list" ]; then
     while IFS= read -r name; do
       [ -n "$name" ] || continue
-      rm -rf "codex/skills/$name"
+      rm -rf "skills/$name"
     done < "$source_list"
   fi
 done < "$sources_file"
@@ -169,13 +169,13 @@ while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_su
           exit 1
         fi
 
-        rm -rf "codex/skills/thirdparty/$name"
-        cp -R "$dir" "codex/skills/thirdparty/$name"
+        rm -rf "skills/thirdparty/$name"
+        cp -R "$dir" "skills/thirdparty/$name"
         names+=("$name")
         owners["$name"]="$source_id"
       done
       ;;
-    render_codex_skill)
+    render_skill)
       name="$output_name"
       if [ -n "${owners[$name]:-}" ] && [ "${owners[$name]}" != "$source_id" ]; then
         echo "ERROR: duplicate third-party skill name: $name" >&2
@@ -186,7 +186,7 @@ while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_su
         exit 1
       fi
 
-      render_codex_skill "$snapshot_root" "codex/skills/thirdparty/$name" "$platform_config" "$template_root" "$data_dir" "$scripts_dir"
+      render_skill "$snapshot_root" "skills/thirdparty/$name" "$platform_config" "$template_root" "$data_dir" "$scripts_dir"
       names+=("$name")
       owners["$name"]="$source_id"
       ;;
@@ -199,7 +199,7 @@ while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_su
   printf "%s\n" "${names[@]}" | sort > "$source_list"
 done < "$sources_file"
 
-git add codex/skills
+git add skills
 
 if git diff --cached --quiet; then
   echo "No third-party skills to sync."