feat: orchestration harness, selective install, observer improvements

schemas/install-profiles.schema.json

@@ -0,0 +1,45 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "ECC Install Profiles",
+  "type": "object",
+  "properties": {
+    "version": {
+      "type": "integer",
+      "minimum": 1
+    },
+    "profiles": {
+      "type": "object",
+      "minProperties": 1,
+      "propertyNames": {
+        "pattern": "^[a-z0-9-]+$"
+      },
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "description": {
+            "type": "string",
+            "minLength": 1
+          },
+          "modules": {
+            "type": "array",
+            "minItems": 1,
+            "items": {
+              "type": "string",
+              "pattern": "^[a-z0-9-]+$"
+            }
+          }
+        },
+        "required": [
+          "description",
+          "modules"
+        ],
+        "additionalProperties": false
+      }
+    }
+  },
+  "required": [
+    "version",
+    "profiles"
+  ],
+  "additionalProperties": false
+}