build: release v0.3.6

fix: restore watch_sync session file discovery

fix: recreate SQLite category-item index per schema build

build(python): add socksio for proxy compatibility

docs(proxy): document plugin-managed proxy settings

fix(proxy): add explicit child-process proxy policy

fix: restore SQLModel compatibility after OpenClaw upgrade

fix: resolve Column reuse error in SQLModel definitions (fixes #14)

fix: track all agent sessions in OpenClaw 2026.3.7

fix: resolve SQLAlchemy Column assignment error and MRO conflict

chore: remove repository test suites

ci: disable external pytest plugin autoload

chore: remove migration database test bundle

chore: trim release packaging and default CI

fix: repair CI regressions for 0.3.1