- Remove `pub include: Vec<String>` from `WorkspaceCfg` struct (denylist-only model).
- Drop `include: vec!["**/*.md"]` from `Config::defaults()`.
- Add `from_file` deprecation probe: raw `toml::Value` scan fires a
one-shot `tracing::warn!` (via `OnceLock`) when an old config still
carries `workspace.include = [...]`. serde ignores the unknown field
cleanly (no `deny_unknown_fields`).
- Compile-fix `kebab-cli` (main.rs:329) and `kebab-tui`
(ingest_progress.rs:39): replace `cfg.workspace.include.clone()` with
`Vec::new()` (Task 2 will switch to `..Default::default()`).
- Two new tests: `legacy_include_field_is_ignored_silently` (backward
compat round-trip) + `workspace_cfg_has_only_root_and_exclude_fields`
(exhaustive destructure — compile-time guard against re-introduction).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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