feat(waterfall-lifecycle): add plugin manifest and marketplace registration

Generated by Nuno Salvação

Co-Authored-By: Nexo <nexo.modeling@gmail.com>

Author: nsalvacao

.claude-plugin/marketplace.json

@@ -110,6 +110,17 @@
       "source": "./plugins/agile-lifecycle",
       "category": "productivity",
       "tags": ["agile", "lifecycle", "project-management", "ai-ml", "gates", "phases"]
+    },
+    {
+      "name": "waterfall-lifecycle",
+      "description": "Formal predictive waterfall lifecycle framework for AI/ML products — 8 phases, 8 formal gates (A–H), 33 agents, 15 skills, and full artefact management. For regulated environments with formal handovers and requirements traceability.",
+      "version": "0.1.0",
+      "author": {
+        "name": "Nuno Salvacao",
+        "email": "nuno.salvacao@gmail.com"
+      },
+      "source": "./plugins/waterfall-lifecycle",
+      "category": "development"
     }
   ]
 }

plugins/waterfall-lifecycle/.claude-plugin/plugin.json

@@ -0,0 +1,24 @@
+{
+  "name": "waterfall-lifecycle",
+  "version": "0.1.0",
+  "description": "Formal predictive waterfall lifecycle framework for AI/ML products — 8 phases, 8 formal gates (A–H), 33 agents, 15 skills, full artefact management. Designed for regulated environments, requirements traceability, and formal handovers.",
+  "author": {
+    "name": "Nuno Salvacao",
+    "email": "nuno.salvacao@gmail.com",
+    "url": "https://www.linkedin.com/in/nsalvacao/"
+  },
+  "keywords": [
+    "waterfall",
+    "predictive",
+    "lifecycle",
+    "phase-gates",
+    "ai-governance",
+    "requirements-traceability",
+    "formal-handovers",
+    "artefact-management",
+    "multi-agent"
+  ],
+  "license": "MIT",
+  "homepage": "https://github.com/nsalvacao/nsalvacao-claude-code-plugins",
+  "repository": "https://github.com/nsalvacao/nsalvacao-claude-code-plugins"
+}