🔧 chore(thirdparty): generalize skills sync pipeline

replace the superpowers-only workflow with a manifest-driven pipeline
sync ui-ux-pro-max into codex/skills and document source lists
fix the prettier path test so the Python suite passes on Windows

.gitea/workflows/update-thirdparty-skills.yml

@@ -1,4 +1,4 @@
-name: 🪄 Update and Sync Superpowers
+name: 🪄 Update Third-Party Skills
 
 on:
   push:
@@ -8,13 +8,14 @@ on:
   schedule:
     - cron: "@daily"
 
+concurrency:
+  group: update-thirdparty-${{ github.repository }}
+  cancel-in-progress: false
+
 env:
   WORKSPACE_DIR: "/home/workspace"
   THIRDPARTY_BRANCH: "thirdparty/skill"
-  UPSTREAM_REPO: "https://github.com/obra/superpowers.git"
-  UPSTREAM_REF: "main"
-  SUPERPOWERS_DIR: "superpowers"
-  SUPERPOWERS_LIST: "codex/skills/.sources/superpowers.list"
+  MANIFEST_PATH: ".gitea/ci/thirdparty_skills.json"
 
 jobs:
   update_and_sync:
@@ -73,7 +74,7 @@ jobs:
           cd "$REPO_DIR"
 
           echo "========================================"
-          echo "📦 Refresh thirdparty/skill snapshot"
+          echo "📦 Refresh thirdparty/skill snapshots"
           echo "========================================"
 
           before_ref=""
@@ -84,7 +85,8 @@ jobs:
             echo "📌 Previous $THIRDPARTY_BRANCH: <missing>"
           fi
 
-          TARGET_BRANCH="$THIRDPARTY_BRANCH" bash .gitea/ci/update_thirdparty_superpowers.sh
+          export MANIFEST_PATH="$MANIFEST_PATH"
+          TARGET_BRANCH="$THIRDPARTY_BRANCH" bash .gitea/ci/update_thirdparty_skills.sh
 
           git fetch origin "$THIRDPARTY_BRANCH"
           after_ref="$(git rev-parse "origin/$THIRDPARTY_BRANCH")"
@@ -103,9 +105,8 @@ jobs:
           git checkout -B main origin/main
 
           TARGET_BRANCH="main" \
-          SUPERPOWERS_BRANCH="$THIRDPARTY_BRANCH" \
-          SUPERPOWERS_DIR="$SUPERPOWERS_DIR" \
-          SUPERPOWERS_LIST="$SUPERPOWERS_LIST" \
-          bash .gitea/ci/sync_superpowers.sh
+          THIRDPARTY_BRANCH="$THIRDPARTY_BRANCH" \
+          MANIFEST_PATH="$MANIFEST_PATH" \
+          bash .gitea/ci/sync_thirdparty_skills.sh
 
           echo "🎉 Update and sync finished."