{
  "id": "hook-surface:gemini.pre-prompt",
  "_kind": "HookSurface",
  "_file": "channels-hooks/hook-surfaces/native/gemini-pre-prompt.yaml",
  "_cluster": "channels-hooks",
  "attributes": {
    "eventName": "pre_prompt (Gemini)",
    "displayName": "pre_prompt (Gemini)",
    "kind": "native",
    "originVendor": "Google",
    "direction": "pre",
    "blocking": true,
    "family": "shell-hook",
    "payloadSchema": {
      "type": "object",
      "required": [
        "prompt"
      ],
      "properties": {
        "prompt": {
          "type": "string"
        }
      }
    },
    "description": "Gemini's pre-prompt hook. Fired before the prompt is sent to the\nmodel. Canonicalizes to before-prompt-build (or pre-tool-use for\ncross-product policies).\n"
  },
  "outgoingEdges": [
    {
      "from": "hook-surface:gemini.pre-prompt",
      "to": "hook-surface:pre-tool-use",
      "kind": "canonicalized_to",
      "attributes": {}
    }
  ],
  "incomingEdges": [
    {
      "from": "agent-core-impl:gemini-cli.core@current",
      "to": "hook-surface:gemini.pre-prompt",
      "kind": "fires_hook",
      "attributes": {}
    },
    {
      "from": "agent-runtime-impl:gemini-cli.runtime@current",
      "to": "hook-surface:gemini.pre-prompt",
      "kind": "exposes",
      "attributes": {}
    },
    {
      "from": "hook-mapping:gemini-pre-prompt-native",
      "to": "hook-surface:gemini.pre-prompt",
      "kind": "maps_hook",
      "attributes": {}
    }
  ]
}