feat(brain): auto smart/cheap mode — per-task brain profiles with provider routing (simple/standard/complex heuristics, quality-first vs cost-first key ordering)

feat(reasoning): deep reasoning engine — plan, act, reflect, verify

feat(trace): deep insight — live run traces with per-step usage, tokens, timing and cost

fix(cloud): WAF-safe transport — base64 bodies for agent API payloads

feat(agent): agentic execution loop — the agent that acts

feat: desktop app packaging + engine/protocol/gateway packages, HTTP metrics pipeline