Start Core Hub FastAPI replacement foundation

contracts/schemas/hub-manifest.schema.json

@@ -0,0 +1,35 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://core-hub.local/contracts/schemas/hub-manifest.schema.json",
+  "title": "Core Hub Capability Manifest",
+  "type": "object",
+  "required": ["hub_slug", "manifest_version", "capabilities"],
+  "additionalProperties": false,
+  "properties": {
+    "hub_slug": {
+      "type": "string",
+      "pattern": "^[a-z0-9][a-z0-9-]*$"
+    },
+    "manifest_version": {
+      "type": "string"
+    },
+    "capabilities": {
+      "type": "array",
+      "items": {"type": "string"},
+      "uniqueItems": true
+    },
+    "endpoints": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "required": ["rel", "href"],
+        "additionalProperties": false,
+        "properties": {
+          "rel": {"type": "string"},
+          "href": {"type": "string"}
+        }
+      },
+      "default": []
+    }
+  }
+}