Initial standalone memabra release

docs/schemas/event.schema.json

@@ -0,0 +1,57 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://memabra.local/schemas/event.schema.json",
+  "title": "Event",
+  "description": "Atomic event emitted during retrieval, routing, execution, and evaluation in memabra.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "event_id",
+    "trajectory_id",
+    "timestamp",
+    "stage",
+    "event_type",
+    "payload"
+  ],
+  "properties": {
+    "event_id": {"type": "string", "minLength": 1},
+    "trajectory_id": {"type": "string", "minLength": 1},
+    "timestamp": {"type": "string", "format": "date-time"},
+    "stage": {
+      "type": "string",
+      "enum": ["retrieval", "policy", "execution", "evaluation", "memory_writeback"]
+    },
+    "event_type": {
+      "type": "string",
+      "enum": [
+        "task_received",
+        "context_summarized",
+        "candidates_recalled",
+        "candidate_scored",
+        "action_selected",
+        "tool_called",
+        "tool_result",
+        "skill_loaded",
+        "memory_injected",
+        "user_clarified",
+        "user_corrected",
+        "reward_computed",
+        "memory_written",
+        "memory_revoked",
+        "task_completed",
+        "task_failed"
+      ]
+    },
+    "payload": {
+      "type": "object",
+      "description": "Event-specific structured body"
+    },
+    "metrics": {
+      "type": "object",
+      "default": {}
+    },
+    "parent_event_id": {
+      "type": ["string", "null"]
+    }
+  }
+}