LightAgent v0.9.1

Highlights

• Added Runtime Hooks with HookContext, HookDecision, and ordered HookManager middleware.
• Added LightAgent hooks for run, model request/response, tool call/result, and memory write phases.
• Added LightFlow hooks for step execution, approval, resume, and rerun lifecycle points.
• Added trace hierarchy metadata with parent_trace_id and run_group_id for nested runs and workflow steps.
• Added LA-HOOK structured errors for hook-blocked operations.
• Updated Runtime Hooks documentation, trace/memory boundary docs, roadmap, and README examples.

Compatibility

• Existing calls such as agent.run("hello") and agent.run(query, stream=True, user_id=user_id) remain compatible.
• Existing guardrails and MemoryPolicy.memory_write_admission remain supported.
• README News was not updated because this is a minor release.

Validation

• CI passed on Python 3.10, 3.11, and 3.12.
• Local validation: 66 passed across tracing, hooks, memory policy, LightFlow, LiteLLM, MCP diagnostics, guardrails, shared memory, skill logging, vector memory adapter, and v0.6.5 compatibility tests.