feat: refactor 30+ skills to Anthropic progressive disclosure pattern

- All SKILL.md files now <500 lines (avg reduction 69%)
- Detailed content extracted to references/ subdirectories
- Frontmatter standardised: only name + description (Anthropic standard)
- New skills: brand-guidelines, spec-coauthor, report-templates, skill-creator
- Design skills: anti-slop guidelines, premium-proposals reference
- Removed non-standard frontmatter fields (triggers, version, author, category)

Plugins affected: infraestrutura, marketing, dev-tools, crm-ops, gestao,
core-tools, negocio, perfex-dev, wordpress, design-media

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

design-media/knowledge/datasets.json

@@ -1,5 +1,5 @@
 {
-  "description": "Knowledge sources (NotebookLM + Dify KB) for Design and Media domain",
+  "description": "Knowledge sources for Design and Media domain",
   "sources": {
     "notebooklm": {
       "description": "NotebookLM - conhecimento curado profundo via Gemini 2.5 RAG (PRIMARIO)",
@@ -10,16 +10,14 @@
           "title": "Social Media e Branding",
           "topics": [
             "canva"
-          ],
-          "maps_from_dify": "Canva"
+          ]
         },
         {
           "id": "081ca512-8279-4850-b2b9-dff090267482",
           "title": "UI/UX Design",
           "topics": [
             "usabilidade"
-          ],
-          "maps_from_dify": "UX e Usabilidade"
+          ]
         }
       ],
       "pending": [
@@ -35,33 +33,6 @@
         }
       ]
     },
-    "dify_kb": {
-      "description": "Dify KB - datasets tematicos (FALLBACK)",
-      "query_tool": "mcp__dify-kb__dify_kb_retrieve_segments",
-      "datasets": [
-        {
-          "id": "7efc5db4-05b1-408a-9e41-b612188ee877",
-          "name": "Canva",
-          "priority": 1,
-          "document_count": 24,
-          "word_count": 148976
-        },
-        {
-          "id": "e14ab89e-8910-43b6-becf-d57c78afd62d",
-          "name": "UX e Usabilidade",
-          "priority": 1,
-          "document_count": 4,
-          "word_count": 413593
-        },
-        {
-          "id": "39818f77-8c70-4729-9b5c-6f92d3a2b418",
-          "name": "Criatividade",
-          "priority": 2,
-          "document_count": 9,
-          "word_count": 262795
-        }
-      ]
-    },
     "brand_packs": {
       "description": "Brand packs JSON para identidade visual por cliente",
       "path": "/media/ealmeida/Dados/Hub/04-Recursos/Design/brands/",
@@ -69,8 +40,15 @@
         {
           "slug": "descomplicar",
           "name": "Descomplicar - Consultoria e Desenvolvimento",
-          "colors": {"primary": "#dd7500", "secondary": "#cc8d00", "accent": "#f2d9a2"},
-          "fonts": {"heading": "Nexa", "body": "Roboto"}
+          "colors": {
+            "primary": "#dd7500",
+            "secondary": "#cc8d00",
+            "accent": "#f2d9a2"
+          },
+          "fonts": {
+            "heading": "Nexa",
+            "body": "Roboto"
+          }
         }
       ]
     }