perf: improve config loading, add LSP binary caching, and RPC timeout

fix build workflow version date syntax

fix launcher to find opencode-dev binary

fix install script to use bin/opencode path in archive

fix: remove baseline detection from install script

fix: install script sed pattern without v prefix

fix: install script sed pattern fallback

fix: zip command runs from correct directory

refactor(opencode): remove experimental telemetry

- Remove experimental_telemetry from agent config
- Remove telemetry from LSP initialization
- Remove openTelemetry from Config type
- Clean up unused imports in TUI components

refactor: remove baseline builds and update to madkoding repo

- Remove baseline build targets from build.ts
- Update GitHub Actions workflow to use regular Bun, create zip for darwin/windows
- Update install script to download from madkoding/opencode
- Update Dockerfile and desktop scripts to remove baseline references
- Simplify launcher to remove AVX2 detection