{
  "created_at": "2026-06-07T09:13:20Z",
  "distribution_ready": true,
  "id": "sp-problem-schema_thrash-schema_load",
  "name": "Schema thrash: repeated ToolSearch",
  "polarity": "problem",
  "problem": "ToolSearch fires repeatedly within a session (seen in 81% of sessions) because the State Hub MCP tools are deferred and their schemas get re-loaded each time they are needed \u2014 pure overhead with no work value.",
  "provenance": {
    "detected_at": null,
    "evidence": {
      "cost_impact": 79.0,
      "cross_flavor": false,
      "flavors": [
        "claude"
      ],
      "frequency": 8,
      "key": "problem:schema_thrash:schema_load",
      "locus": "schema_load",
      "polarity": "problem",
      "repos": [
        "activity-core",
        "citation-evidence",
        "flex-auth",
        "infospace-bench",
        "ops-bridge",
        "vergabe-teilnahme"
      ],
      "score": 632.0,
      "sessions": [
        "claude:0ef1b45c-5c27-4e20-88b3-37daeaa24eca",
        "claude:30dbad62-c042-41f2-80c1-5953a1100e7f",
        "claude:4340b160-2fb6-47d0-897c-3cac0a8855d8",
        "claude:63fd4df2-5add-4748-af21-c1544825e006",
        "claude:8313f946-f008-4e98-9915-31950380e39e",
        "claude:8fabd5ce-6a20-4412-9a8b-0f0763394a78",
        "claude:b4ae9631-a7eb-42a6-acb1-c65b660c4b74",
        "claude:bbcf1c2b-14be-40e4-826b-4b2b49b9d212"
      ],
      "signal_type": "schema_thrash",
      "title": "problem: schema thrash"
    },
    "promoted_at": "2026-06-07T09:13:20Z",
    "source_key": "problem:schema_thrash:schema_load"
  },
  "rendering_hints": {
    "claude": {
      "target": "CLAUDE.md"
    }
  },
  "resolutions": [
    {
      "detail": "Resolve them by name in one ToolSearch (select:...) rather than searching ad hoc.",
      "steps": [
        "List the hub tools the session needs",
        "Load them once at the start"
      ],
      "summary": "Load the tool schemas you'll need once, up front"
    },
    {
      "detail": "The skill carries the schemas so no per-use discovery is needed.",
      "steps": [],
      "summary": "Adopt the State Hub skill that front-loads common hub tool signatures"
    }
  ],
  "schema_version": 1,
  "scope": {
    "domains": [],
    "flavors": [
      "claude"
    ],
    "repos": [
      "activity-core",
      "citation-evidence",
      "flex-auth",
      "infospace-bench",
      "ops-bridge",
      "vergabe-teilnahme"
    ]
  },
  "status": "approved",
  "updated_at": "2026-06-07T14:21:06Z",
  "version": "1.0.1"
}