feat(hldp): replace Codex bulk recovery with recursive causal root

hldp/HLDP-RECURSIVE-MEMORY-v1.0.schema.json

@@ -0,0 +1,47 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://guanghulab.com/schemas/hldp-recursive-memory-v1.0.schema.json",
+  "title": "HLDP v1 recursive causal memory tree",
+  "type": "object",
+  "required": ["protocol", "root", "nodes"],
+  "properties": {
+    "protocol": { "const": "HLDP-v1.0" },
+    "root": { "type": "string", "minLength": 1 },
+    "nodes": {
+      "type": "object",
+      "additionalProperties": { "$ref": "#/$defs/node" }
+    }
+  },
+  "$defs": {
+    "nonEmpty": { "type": "string", "minLength": 1 },
+    "node": {
+      "type": "object",
+      "required": ["path", "summary", "trigger", "emergence", "lock", "why", "children", "sources", "rejected"],
+      "properties": {
+        "path": { "$ref": "#/$defs/nonEmpty" },
+        "summary": { "$ref": "#/$defs/nonEmpty" },
+        "trigger": { "$ref": "#/$defs/nonEmpty" },
+        "emergence": { "$ref": "#/$defs/nonEmpty" },
+        "lock": { "$ref": "#/$defs/nonEmpty" },
+        "why": { "$ref": "#/$defs/nonEmpty" },
+        "children": {
+          "type": "array",
+          "maxItems": 10,
+          "uniqueItems": true,
+          "items": { "$ref": "#/$defs/nonEmpty" }
+        },
+        "sources": {
+          "type": "array",
+          "minItems": 1,
+          "items": { "$ref": "#/$defs/nonEmpty" }
+        },
+        "rejected": {
+          "type": "array",
+          "items": { "$ref": "#/$defs/nonEmpty" }
+        }
+      },
+      "additionalProperties": false
+    }
+  },
+  "additionalProperties": false
+}