fix(tests): remove broken async skipIf on Agent Mail integration tests

fix(tests,config): further test timeout adjustments and vitest config tuning

docs: prepare v0.4.0 changelog, update README scoring status, and refine role prompts

fix(tests): increase timeouts on slow userEvent-based component tests

feat(cli,web): add session record/replay commands and robot session web viewer

fix: warn when operator notes file not found instead of failing silently

feat: HITL step mode, robot-stress command, and per-agent health reporting

fix(gemini): switch from --sandbox to --yolo flag for Gemini CLI invocation

feat(artifact-merge): surface field correction warnings during EDIT operations

feat(delta): expand array payloads into individual ADD deltas and track field corrections

fix(artifact-merge): catch delta runtime errors and coerce domain strings on research threads

fix: clear timeout timers in spawn error handler

fix: four robot mode bugs — partial merge, SIGKILL escalation, convergence, unused import

feat: add robot mode orchestrator for multi-agent sessions without Agent Mail

docs: update CHANGELOG.md with latest project history