v1.4.0: TUI v1/v2 API compatibility

What's Changed

• Add v1/v2 TUI API compatibility layer for OpenCode < 1.18.29 and >= 1.18.29
• Fix api.ui.toast.show() → api.ui.toast() API call
• Remove unused lib/tui/commands.ts (consolidated into tui.tsx)
• Update /compress slash command to show usage instructions
• Update README with clearer installation and usage docs

Installation

opencode plugin @serkanalgur/opencode-slim@latest --global

Changes

• tui.tsx: Add fallback to api.command.register() for legacy API
• package.json: Version bump to 1.4.0
• CHANGELOG.md: Add 1.4.0 entry

Full Changelog: v1.3.0...v1.4.0

v1.3.0 - TUI Panel & Slash Commands

v1.3.0 - TUI Panel & Slash Commands

New Features

• /panel - Rich SolidJS TUI panel with Context, Stats, Help tabs
• /compress [focus] - Slash command for manual compression

Files Added

• tui.tsx, lib/tui/commands.ts, lib/tui/modals.tsx, lib/tui/dialogs.tsx, lib/tui/data.ts

Fixes

• Pinned solid-js@1.9.12 to match @opentui/solid peer dependency
• Added --legacy-peer-deps in CI workflow for web-tree-sitter

Verification

• npm ci --legacy-peer-deps passes
• TypeScript typecheck passes
• Build succeeds
• All 20 tests pass