feat: TypeScript SDK (agentlens-sdk) and OpenCode plugin (opencode-agentlens)
- packages/sdk-ts: BatchTransport, TraceBuilder, models, decision helpers
Zero external deps, native fetch, ESM+CJS output
- packages/opencode-plugin: OpenCode plugin with hooks for:
- Session lifecycle (create/idle/error/delete/diff)
- Tool execution capture (before/after -> TOOL_CALL spans + TOOL_SELECTION decisions)
- LLM call tracking (chat.message -> LLM_CALL spans with model/provider)
- Permission flow (permission.ask -> ESCALATION decisions)
- File edit events
- Model cost estimation (Claude, GPT-4o, o3-mini pricing)
6bed493275