Initial marketplace with svrnty-cqrs plugin

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.claude-plugin/marketplace.json

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+{
+  "name": "svrnty-plugins",
+  "owner": {
+    "name": "Svrnty",
+    "url": "https://git.openharbor.io/svrnty"
+  },
+  "metadata": {
+    "description": "Svrnty Claude Code plugins — framework-specific harnesses for .NET development"
+  },
+  "plugins": [
+    {
+      "name": "svrnty-cqrs",
+      "source": {
+        "source": "url",
+        "url": "https://git.openharbor.io/svrnty/claude-cqrs-plugin.git",
+        "ref": "main"
+      },
+      "description": "Auto-detects Svrnty.CQRS projects, enforces domain-driven patterns, and manages project-level rules/skills/hooks.",
+      "version": "1.0.0",
+      "author": {
+        "name": "Svrnty"
+      }
+    }
+  ]
+}

README.md

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+# Svrnty Claude Plugins
+
+Claude Code plugin marketplace for Svrnty frameworks.
+
+## Installation
+
+```
+/plugin marketplace add svrnty/claude-plugins
+/plugin install svrnty-cqrs
+```
+
+## Available Plugins
+
+### svrnty-cqrs
+
+Claude Code plugin for the Svrnty.CQRS framework. Provides:
+
+- **Auto-detection** — recognizes projects using Svrnty.CQRS packages
+- **CQRS philosophy** — enforces domain-driven naming (not CRUD)
+- **Harness management** — `/svrnty-cqrs:install-harness` and `/svrnty-cqrs:update-harness` to sync project-level rules, skills, and hooks
+- **New project init** — guides setup of new Svrnty.CQRS projects with correct packages and patterns