Merge pull request #344 from Synaptic-Labs-AI/feat/343-env-var-replacement

chore: bump version to 3.15.0

refactor: final R6+R7 consistency — get_project_dir() + ordering guards

chore: add pyrightconfig.json for import resolution

refactor: final consistency cleanup from R5 review

test: comprehensive pact_context tests + migrated hook test fixtures

refactor: migrate skill scripts to pact_context (Category C)

refactor: migrate all hooks from phantom env vars to pact_context

feat: add pact_context shared module for session context

Merge pull request #336 from Synaptic-Labs-AI/teachback-reset-bug

chore: bump version to 3.14.3

test: add 3 coverage gap tests from fresh review

fix: sort task files for deterministic iterdir ordering

test: add comprehensive edge case tests for teachback ALL-match fix

fix: require ALL in_progress tasks to have teachback_sent, not just ANY