feat: add agents/ and workflows/ folders; update README.md and manifest.json

manifest.json

@@ -136,11 +136,29 @@
   },
 
   "files": {
-    "README.md": "Human + AI overview, quick-start, environment at a glance",
+    "README.md": "Human + AI overview, repo structure, quick-start, environment at a glance",
     "llm.txt": "Plain-text overview for LLM agents",
-    "manifest.json": "This file — machine-readable index of repos, tools, and endpoints",
+    "manifest.json": "This file — machine-readable index of repos, tools, endpoints, and structure",
     "gitea.llm.md": "Local Gitea instance — clone URLs, PAT auth, API examples",
     "github.llm.md": "GitHub accounts (MathisonProjects, silmaai) — repos, PAT, CLI patterns",
     "aws-cli.llm.md": "AWS account — profiles, S3 buckets, Amplify apps, CloudFront, Lambda"
+  },
+
+  "directories": {
+    "agents": {
+      "description": "Per-agent configuration, context, and notes for AI coding tools",
+      "files": {
+        "README.md": "Index and usage guide for agent files",
+        "claude.md": "Anthropic Claude (Claude Code / API) — config and notes",
+        "cursor.md": "Cursor IDE AI — config and notes",
+        "codex.md": "OpenAI Codex / ChatGPT with code access — config and notes"
+      }
+    },
+    "workflows": {
+      "description": "Reusable workflows, automation scripts, and prompt chains",
+      "files": {
+        "README.md": "Index and intended contents for workflows"
+      }
+    }
   }
 }