Complete workspace CLI coverage with status, list, retrieve, delete
commands. Add 6 separate agent tools (workspace_search, workspace_index,
workspace_status, workspace_list, workspace_retrieve, workspace_delete)
with per-tool schemas and check_fn gating on workspace.enabled. Wire
/workspace slash command in interactive REPL with Rich formatting.
- workspace_search and workspace_index are default-enabled in core tools
- Full workspace toolset available for opt-in via /tools enable
- BaseIndexer ABC extended with list_files(), retrieve(), delete()
- SQLiteFTS5Store gains list_files() and get_chunks_for_file()
- Remove `from __future__ import annotations` from all new workspace files
- Convert TYPE_CHECKING imports to real imports in base.py (no circular deps)
- Quote self-referential forward ref in config.py model_validator
- Add null checks on spec.loader in plugin discovery to satisfy ty
alt-glitch