feat: expand portable skills into mstack

.codex-plugin/plugin.json

@@ -1,18 +1,18 @@
 {
-  "name": "harness-skills",
+  "name": "mstack",
   "version": "0.2.0",
-  "description": "Portable engineering skills for Codex, Claude Code, and OpenCode.",
+  "description": "Portable engineering skills for Codex, Claude Code, OpenCode, and pi.",
   "author": {
     "name": "3metaJun"
   },
   "skills": "./skills/",
   "interface": {
-    "displayName": "Harness Skills",
-    "shortDescription": "Portable, evidence-first engineering workflows.",
-    "longDescription": "A curated collection of portable skills for verification, diagnosis, type-safe design, agent instruction writing, and auditable work.",
+    "displayName": "mstack",
+    "shortDescription": "Portable engineering workflows for agent harnesses.",
+    "longDescription": "Portable skills for verification, diagnosis, type-safe design, agent instruction writing, and auditable work.",
     "developerName": "3metaJun",
     "category": "Developer Tools",
     "capabilities": ["skills"],
-    "defaultPrompt": "Use the relevant Harness Skills workflow for this engineering task."
+    "defaultPrompt": "Use the relevant mstack workflow for this engineering task."
   }
 }

.github/workflows/validate.yml

@@ -21,3 +21,41 @@ jobs:
         with:
           node-version: ${{ matrix.node }}
       - run: npm test
+
+  meta-mode:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5
+      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
+        with:
+          bun-version: 1.3.14
+      - run: bun install --frozen-lockfile
+        working-directory: tools/meta-mode
+      - run: bun test
+        working-directory: tools/meta-mode
+      - run: bun run typecheck
+        working-directory: tools/meta-mode
+
+  upstream:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5
+      - uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5
+        with:
+          repository: cursor/plugins
+          ref: 7366ac128bdf95f45e6734f412b49a4031800169
+          path: .upstream/cursor-plugins
+          sparse-checkout: pstack
+      - uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
+        with:
+          node-version: 22
+      - run: node scripts/check-upstream.mjs --source .upstream/cursor-plugins/pstack --strict
+
+  package:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5
+      - uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
+        with:
+          node-version: 22
+      - run: npm run check-package

.npmignore

@@ -0,0 +1,5 @@
+**/node_modules/
+tools/meta-mode/node_modules/
+.audit/
+*.key
+*.pem