refactor: architecture base

- Moved NodeCG context management to a dedicated context module.
- Introduced message handling utilities for better message listening and sending.
- Updated startgg integration to use new message handling methods.
- Removed deprecated replicant utilities and replaced them with a new structure.
- Refactored replicant imports in graphics components to align with new structure.
- Added new pack-related types and schemas for better type safety.
- Cleaned up unused files and consolidated pack configuration into a single module.
- Updated TypeScript configurations to reflect new directory structure.

schemas/packRegistry.json

@@ -0,0 +1,50 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": ["object", "null"],
+  "additionalProperties": false,
+  "properties": {
+    "schemaVersion": {
+      "type": "integer"
+    },
+    "updatedAt": {
+      "type": "string"
+    },
+    "packs": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "properties": {
+          "id": { "type": "string" },
+          "name": { "type": "string" },
+          "version": { "type": "string" },
+          "totalSizeBytes": { "type": "number" },
+          "logoPath": { "type": "string" },
+          "characterCount": { "type": "integer" },
+          "palette": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+              "start": { "type": "string" },
+              "end": { "type": "string" }
+            },
+            "required": ["start", "end"]
+          },
+          "bundled": { "type": "boolean" }
+        },
+        "required": [
+          "id",
+          "name",
+          "version",
+          "totalSizeBytes",
+          "logoPath",
+          "characterCount",
+          "palette",
+          "bundled"
+        ]
+      }
+    }
+  },
+  "required": ["schemaVersion", "updatedAt", "packs"],
+  "default": null
+}