Messages vs StateWeave

const messages = [
  { role: "system", content: "You are a coding agent." },
  { role: "user", content: "Login fails after token refresh." },
  { role: "tool", content: "auth.ts summary: token clears before session save." }
];

const frame = {
  frame: {
    objective: "Find why login fails after token refresh.",
    currentFocus: "Use existing graph state and latest input.",
    activeConstraints: ["Do not rewrite the auth system."],
    availableActions: ["add_node", "add_edge", "call_tool", "final"]
  },
  graph: {
    nodes: [
      { id: "intent_1", type: "intent", text: "Find why login fails after token refresh." },
      { id: "fact_1", type: "fact", text: "Login fails after refresh." },
      { id: "tool_result_1", type: "tool_result", text: "Token clears before session save." }
    ],
    edges: [
      { from: "fact_1", to: "intent_1", type: "supports" },
      { from: "tool_result_1", to: "fact_1", type: "explains" }
    ]
  }
};

messages[] -> model

GraphFrame + StateGraph -> serialized prompt -> model

assistant text or tool call

{
  "ops": [
    {
      "op": "add_node",
      "node": {
        "id": "fact_token_order",
        "type": "fact",
        "text": "The refresh token is cleared before session save completes.",
        "status": "active"
      }
    },
    { "op": "final", "answer": "The bug is token clearing before session persistence." }
  ]
}