Initial standalone memabra release

docs/examples/trajectory_failure_overtool.json

@@ -0,0 +1,67 @@
+{
+  "trajectory_id": "traj-failure-overtool-001",
+  "task": {
+    "task_id": "task-003",
+    "input": "Name this project.",
+    "channel": "telegram",
+    "created_at": "2026-04-14T13:04:00Z",
+    "user_id": "oza"
+  },
+  "context_snapshot": {
+    "conversation_summary": "User asks for naming help for an agent memory project.",
+    "environment_summary": "No real-time state lookup required.",
+    "recent_failures": ["The agent previously overused tools for pure reasoning tasks."]
+  },
+  "candidate_sets": {
+    "memory": [],
+    "skill": [],
+    "tool": [
+      {
+        "id": "tool-web-1",
+        "type": "tool",
+        "title": "web_search",
+        "summary": "Search the web for information.",
+        "triggers": ["name", "idea"],
+        "cost": 0.4,
+        "confidence": 0.62,
+        "success_rate": 0.55,
+        "freshness": 1.0,
+        "risk": 0.3,
+        "tags": ["research"],
+        "source": "system"
+      }
+    ],
+    "skill": []
+  },
+  "decisions": [
+    {
+      "step": 1,
+      "decision_type": "call_tool",
+      "selected_ids": ["tool-web-1"],
+      "rejected_ids": [],
+      "rationale": "Incorrectly treated naming as a research task rather than a reasoning task.",
+      "estimated_cost": 0.4
+    }
+  ],
+  "events": [],
+  "outcome": {
+    "status": "failure",
+    "steps": 2,
+    "latency_ms": 2400,
+    "user_corrections": 1,
+    "tool_errors": 1,
+    "notes": "Over-tooled a pure reasoning task and forced unnecessary latency."
+  },
+  "reward": {
+    "total": -0.82,
+    "components": {
+      "task_success": -0.3,
+      "retrieval_hit": 0.0,
+      "tool_error": 0.35,
+      "user_correction": 0.25,
+      "latency": 0.12,
+      "context_cost": 0.1,
+      "useful_reuse": 0.0
+    }
+  }
+}