Release v0.2.0

What's Changed

• chore(CHANGELOG): release 0.1.6 by @dzhsurf in #27
• chore: 0.2.0 pre-release version bump by @dzhsurf in #28
• fix(vscode): code-server web dashboard API URL + CHANGELOG 0.2.0 by @dzhsurf in #29
• fix(converter): cross-protocol mappings and 0.2.0 changelog by @dzhsurf in #30
• feat: providerType split (openai/openai_chat), config hot-reload, cross-protocol streaming by @dzhsurf in #32
• feat(dashboard): Codex model input, protocol badge, delete confirmation, card polish by @dzhsurf in #33
• feat(dashboard): Codex "Configure model" button and backend model patch by @dzhsurf in #34
• feat: Settings tab, unified routing config, config version tracking by @dzhsurf in #35
• fix: map client paths to upstream; perf: packaging pipeline by @dzhsurf in #36
• fix(db, packaging): stabilize SQLite CLI IPC; chore: IPC lifecycle log levels by @dzhsurf in #37
• feat: Electron desktop tray app, CI multi-arch installers, SQLite/log fixes by @dzhsurf in #38
• fix(desktop): mac CI zip-only; Gatekeeper docs and notarization TODO by @dzhsurf in #39
• fix(desktop): per-arch Windows/mac artifact names for CI releases by @dzhsurf in #40
• fix(core): disable upstream socket idle timeout in proxy executor by @dzhsurf in #41
• ci: selective pipeline targets; desktop artifact naming + NSIS by @dzhsurf in #42
• feat(core): follower logging/IP alignment + docs sync by @dzhsurf in #43
• fix(web,vscode): favicon, dashboard default tab, VS Code static path by @dzhsurf in #44
• feat: routing, HTTP gate, converter layout, models list & mapping by @dzhsurf in #45
• fix(desktop): align electron-builder arch with CI and cache Electron by @dzhsurf in #46
• feat: i18n, provider import/export, desktop UX, model list fix, and CHANGELOG for 0.2.0 by @dzhsurf in #47

Full Changelog: v0.1.6...v0.2.0