adjust manifest to pass strict validation

Author: wzslr321

.github/workflows/validate-plugins.yml

@@ -39,11 +39,8 @@ jobs:
         with:
           node-version: 22
 
-      # Pinned: schema warnings can change between CLI releases; bump deliberately.
       - name: Install Claude Code CLI
         run: npm install -g @anthropic-ai/claude-code@2.1.173
 
-      # Phase 1: fails on schema errors only; warnings pass (exit 0).
-      # Phase 2: add --strict once the manifest cleanup lands — see issue #4.
       - name: Validate against the Claude Code plugin schema
-        run: claude plugin validate .
+        run: claude plugin validate . --strict

AGENTS.md

@@ -46,7 +46,7 @@ Validate plugin structure locally with Go:
 go run ./cmd/validate-plugins
 ```
 
-CI runs the same structure validation, Go formatting/lint, and the official Claude Code plugin-spec check (`claude plugin validate .`, errors-only for now) on every PR. After pushing, watch CI with `gh pr checks <pr-number>`.
+CI runs the same structure validation, Go formatting/lint, and the official Claude Code plugin-spec check (`claude plugin validate . --strict`, warnings fail the build) on every PR. After pushing, watch CI with `gh pr checks <pr-number>`.
 
 ## Platform notes
 

plugins/lean-core/.claude-plugin/plugin.json

@@ -4,7 +4,6 @@
   "displayName": "LeanCode Core",
   "description": "Entry point for the LeanCode AI plugins marketplace. Explains what's available and helps contributors open PRs to add or improve plugins.",
   "version": "0.1.0",
-  "stability": "experimental",
   "author": {
     "name": "LeanCode"
   },

plugins/lean-core/skills/lean-contribute/SKILL.md

@@ -122,7 +122,7 @@ Per-plugin semver in `.claude-plugin/plugin.json`.
 - **MINOR** — new skill, new reference, new behavior; expanded scope; additive change.
 - **MAJOR** — rename, removal, or reversal of existing guidance.
 
-Optional `stability` field on each plugin: `experimental`, `beta`, or `stable`.
+Keep `plugin.json` to fields in the official Claude Code plugin manifest schema — CI runs `claude plugin validate . --strict`, which fails on unrecognized fields.
 
 ### What Claude Code does with the version