Module tooling 

Tooling and sandbox policy core.

Provides a deterministic execution layer for tool calls with:

• capability-scoped policy checks
• input/output JSON field validation
• timeout, retry, and circuit-breaker controls

Structs

JsonFieldSchema

Minimal JSON schema: required top-level fields.

PolicyMatrix

Policy matrix for capability and tool-level controls.

ToolExecutionConfig

Timeout/retry/circuit-breaker execution controls.

ToolExecutionReport

Successful tool execution output + telemetry.

ToolExecutor

Policy-aware tool executor.

ToolInvocation

Tool call request.

ToolRegistry

In-memory capability registry.

ToolSpec

Tool spec in the capability registry.

ToolTelemetry

Telemetry emitted for a successful tool execution.

Enums

PolicyAction

Policy action for a capability or tool.

SchemaStage

Input or output validation stage.

ToolCallStatus

Tool execution status for observability.

ToolCapability

Capability class required by a tool.

ToolExecutionError

Execution failure taxonomy.

Traits

ToolAdapter

Adapter contract for actual tool invocation.