{
  "schemaVersion": 1,
  "captures": [
    {
      "id": "session-start",
      "client": "gemini-cli",
      "version": "0.37.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-08-16",
      "fixture": "fixtures/SessionStart.json",
      "sha256": "30ee33373127ebedea181f743dc606a193911f6a259d58ef4cdedffc09512ad3",
      "event": "SessionStart",
      "tool": null,
      "claims": [
        {
          "capability": "lifecycle.sessionStart",
          "result": "pass",
          "outcome": {
            "kind": "event-observed",
            "idle": "fires when a session starts",
            "busy": "fires before the first model turn",
            "authority": "advisory",
            "limitations": [
              "capture used temporary project settings"
            ]
          }
        }
      ]
    },
    {
      "id": "session-end",
      "client": "gemini-cli",
      "version": "0.37.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-08-16",
      "fixture": "fixtures/SessionEnd.json",
      "sha256": "e4a61680c96b4d1a921a142e29b34b667cd843cfb27f361c05efb07dfea75796",
      "event": "SessionEnd",
      "tool": null,
      "claims": [
        {
          "capability": "lifecycle.sessionEnd",
          "result": "pass",
          "outcome": {
            "kind": "event-observed",
            "idle": "fires when a session exits",
            "busy": "does not run until the session exits",
            "authority": "advisory",
            "limitations": [
              "handoff must be written before session end"
            ]
          }
        }
      ]
    },
    {
      "id": "before-agent",
      "client": "gemini-cli",
      "version": "0.37.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-08-16",
      "fixture": "fixtures/BeforeAgent.json",
      "sha256": "87e1baebbf94ecd7d6a56d92a594a095f20d893bcde7e46ad053f164855528d5",
      "event": "BeforeAgent",
      "tool": null,
      "claims": [
        {
          "capability": "context.beforeTurnInjection",
          "result": "pass",
          "outcome": {
            "kind": "model-context-observed",
            "idle": "waits for the next user prompt",
            "busy": "does not interrupt an in-progress turn",
            "authority": "context",
            "limitations": [
              "requires the hookSpecificOutput additionalContext envelope"
            ]
          }
        },
        {
          "capability": "delivery.nextTurn",
          "result": "pass",
          "outcome": {
            "kind": "model-context-observed",
            "idle": "offers complete peer messages at the next prompt",
            "busy": "does not interrupt an in-progress turn",
            "authority": "context",
            "limitations": [
              "delivery requires the next normal user turn"
            ]
          }
        }
      ]
    },
    {
      "id": "before-tool-write",
      "client": "gemini-cli",
      "version": "0.37.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-08-16",
      "fixture": "fixtures/BeforeTool.json",
      "sha256": "23c08aaf65f4b3bc060e99fdb7fab0c2db7242a0fc0e86b6dea02e85e8b1383c",
      "event": "BeforeTool",
      "tool": "write_file",
      "claims": [
        {
          "capability": "guards.beforeWrite",
          "result": "pass",
          "outcome": {
            "kind": "tool-denied-before-mutation",
            "idle": "no write exists to guard",
            "busy": "blocks write_file before mutation",
            "authority": "blocking",
            "limitations": [
              "write tools are unavailable in plan mode"
            ]
          }
        }
      ]
    },
    {
      "id": "before-tool-shell",
      "client": "gemini-cli",
      "version": "0.37.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-08-16",
      "fixture": "fixtures/BeforeTool-shell.json",
      "sha256": "05dc4f6fb0aa6fa59a195fbbb4faf0c05db8cb12ce6098c6a1bba3b62065a285",
      "event": "BeforeTool",
      "tool": "run_shell_command",
      "claims": [
        {
          "capability": "guards.beforeShell",
          "result": "pass",
          "outcome": {
            "kind": "tool-denied-before-execution",
            "idle": "no shell call exists to guard",
            "busy": "blocks run_shell_command before execution",
            "authority": "blocking",
            "limitations": [
              "shell tools depend on approval mode"
            ]
          }
        }
      ]
    },
    {
      "id": "session-start-0-57-0",
      "client": "gemini-cli",
      "version": "0.57.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-09-03",
      "fixture": "fixtures/SessionStart-0.57.0.json",
      "sha256": "00f008ea112e8be1c49dfad2cf03a319cdd7b07e1fc436615539864e3f30fe00",
      "event": "SessionStart",
      "tool": null,
      "claims": [
        {
          "capability": "lifecycle.sessionStart",
          "result": "pass",
          "outcome": {
            "kind": "event-observed",
            "idle": "fires when a session starts",
            "busy": "fires before the first model turn",
            "authority": "advisory",
            "limitations": [
              "capture used an isolated HOME and a locally stubbed model endpoint"
            ]
          }
        }
      ]
    },
    {
      "id": "session-end-0-57-0",
      "client": "gemini-cli",
      "version": "0.57.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-09-03",
      "fixture": "fixtures/SessionEnd-0.57.0.json",
      "sha256": "5f1400f3ae607b16e2318325f33f7a32abe9ff71ace78facfb0ea8c799c3a0f4",
      "event": "SessionEnd",
      "tool": null,
      "claims": [
        {
          "capability": "lifecycle.sessionEnd",
          "result": "pass",
          "outcome": {
            "kind": "event-observed",
            "idle": "fires when a session exits",
            "busy": "does not run until the session exits",
            "authority": "advisory",
            "limitations": [
              "handoff must be written before session end"
            ]
          }
        }
      ]
    },
    {
      "id": "before-agent-0-57-0",
      "client": "gemini-cli",
      "version": "0.57.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-09-03",
      "fixture": "fixtures/BeforeAgent-0.57.0.json",
      "sha256": "ce955c2067f95ee4fd451955d0e154e056d2399d52301afa0ac90a300cbcee3e",
      "event": "BeforeAgent",
      "tool": null,
      "claims": [
        {
          "capability": "context.beforeTurnInjection",
          "result": "pass",
          "outcome": {
            "kind": "model-context-observed",
            "idle": "waits for the next user prompt",
            "busy": "does not interrupt an in-progress turn",
            "authority": "context",
            "limitations": [
              "requires the hookSpecificOutput additionalContext envelope; the client forwards it to the model as a <hook_context> part"
            ]
          }
        },
        {
          "capability": "delivery.nextTurn",
          "result": "pass",
          "outcome": {
            "kind": "model-context-observed",
            "idle": "offers complete peer messages at the next prompt",
            "busy": "does not interrupt an in-progress turn",
            "authority": "context",
            "limitations": [
              "delivery requires the next normal user turn"
            ]
          }
        }
      ]
    },
    {
      "id": "before-tool-write-0-57-0",
      "client": "gemini-cli",
      "version": "0.57.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-09-03",
      "fixture": "fixtures/BeforeTool-0.57.0.json",
      "sha256": "19c27c915c33b3f6c8f3c9d23dd0d42674d82d47cda54565fd84fd3cf1a4a09c",
      "event": "BeforeTool",
      "tool": "write_file",
      "claims": [
        {
          "capability": "guards.beforeWrite",
          "result": "pass",
          "outcome": {
            "kind": "tool-denied-before-mutation",
            "idle": "no write exists to guard",
            "busy": "blocks write_file before mutation",
            "authority": "blocking",
            "limitations": [
              "write tools are absent in the default and plan approval modes; the capture used yolo",
              "an untrusted folder silently downgrades the approval mode, so the capture disabled security.folderTrust"
            ]
          }
        }
      ]
    },
    {
      "id": "before-tool-shell-0-57-0",
      "client": "gemini-cli",
      "version": "0.57.0",
      "platform": "darwin-arm64",
      "observedAt": "2026-09-03",
      "fixture": "fixtures/BeforeTool-shell-0.57.0.json",
      "sha256": "fb82c02b935d2ffcf414fc3487342f002d413ad90e21f7e2c7c67b63dbaf97e8",
      "event": "BeforeTool",
      "tool": "run_shell_command",
      "claims": [
        {
          "capability": "guards.beforeShell",
          "result": "pass",
          "outcome": {
            "kind": "tool-denied-before-execution",
            "idle": "no shell call exists to guard",
            "busy": "blocks run_shell_command before execution",
            "authority": "blocking",
            "limitations": [
              "run_shell_command is absent below the yolo approval mode",
              "a deny must be {\"decision\":\"block\"}; the hookSpecificOutput permissionDecision shape still does not deny on this client"
            ]
          }
        }
      ]
    }
  ]
}