REAL SERVER CAPTURE / HTTP MCP / loopback / fresh synthetic data
Commit: b883156e269de2002873aebdef6019f336b687a7
Environment: isolated server; replay provider; no UI or mocked handlers
Thread counts: read-only query of the V2 projection in this isolated database

Threads before invalid call: 0

> t3_thread_launch {"title": "Repro: prompt instead of message", "scratch": true, "prompt": "say hi"}
{
  "threadId": "mcp:54f6649c-bb2b-4e00-a09d-1ddda92448c4",
  "runId": null,
  "status": null
}
Threads after invalid call: 1 (delta 1)

> t3_thread_read {"threadId": "mcp:54f6649c-bb2b-4e00-a09d-1ddda92448c4"}
{
  "thread": {
    "threadId": "mcp:54f6649c-bb2b-4e00-a09d-1ddda92448c4",
    "status": "idle",
    "latestRunId": null,
    "activeRunId": null,
    "runCount": 0,
    "itemCount": 0
  },
  "recentRuns": [],
  "items": []
}

> t3_thread_launch {"title": "Repro: prompt instead of message", "scratch": true, "message": "say hi"}
{
  "threadId": "mcp:7db22540-b9c3-44fb-807e-4d978bd74d9c",
  "runId": "run:thread:mcp%3A7db22540-b9c3-44fb-807e-4d978bd74d9c:ordinal:1",
  "status": "preparing"
}

> t3_thread_read {"threadId": "mcp:7db22540-b9c3-44fb-807e-4d978bd74d9c"}
{
  "thread": {
    "threadId": "mcp:7db22540-b9c3-44fb-807e-4d978bd74d9c",
    "status": "preparing",
    "latestRunId": "run:thread:mcp%3A7db22540-b9c3-44fb-807e-4d978bd74d9c:ordinal:1",
    "activeRunId": "run:thread:mcp%3A7db22540-b9c3-44fb-807e-4d978bd74d9c:ordinal:1",
    "runCount": 1,
    "itemCount": 2
  },
  "recentRuns": [
    {
      "runId": "run:thread:mcp%3A7db22540-b9c3-44fb-807e-4d978bd74d9c:ordinal:1",
      "status": "preparing"
    }
  ],
  "items": [
    {
      "type": "user_message",
      "text": "say hi"
    }
  ]
}

Capture complete. AI-assisted; verified with the tools listed above.