internal/

Package agent sets up the ADK Go agent loop with tools, system prompt, and runner for the pi-go coding agent.

Package auth implements OAuth PKCE and device-code flows for SSO login.

Package extension provides hooks (before/after tool call), skill loading, and MCP tool integration for the pi-go agent.

Package guardrail tracks daily token usage and enforces limits.

Package logger provides session logging for pi-go.

Package rpc implements a Unix socket JSON-RPC server for pi-go.

Package session — branch.go implements session branching.

Package tui implements the interactive terminal UI using Bubble Tea v2.