Merge pull request #78 from maheshBawa/feat/autonomous-loop-engine

chore: bump version to 2.0.0, update changelog for autonomous loop engine

feat(autonomy): propagate autonomous mode to project templates

feat(autonomy): add loop-awareness to agent roles

feat(autonomy): add autonomous mode directives to CLAUDE.md

test(autonomy): add behavioral tests for autonomous loop engine (TDD — integration tests expected to fail)

feat(autonomy): add task graph engine document

feat(autonomy): add trigger framework document

feat(autonomy): add core loop protocol document

feat(autonomy): add memory feedback loop document

feat(autonomy): add checkpoint system document

feat(autonomy): add confidence scoring system document

docs: add autonomous loop engine implementation plan

docs: address spec review feedback for autonomous loop engine

docs: add autonomous loop engine design spec for v2.0