claude@clouddev1
faebeed588
Refactor `ambient_hint` to return a richer enum:
- `Prose(String)` — the existing single-line hint (Valid /
incomplete-with-no-keywords / definite-error states);
- `Candidates { items, selected }` — multi-candidate (or
single-candidate) keyword completion at the cursor.
When `candidates_at_cursor` returns Some, the new
`Candidates` variant wins over the prose framing — the
candidate list is more actionable than "expected: `data` or
`table`". `selected` tracks the live `LastCompletion` memo's
selection_idx for the renderer to highlight.
`render_candidate_line` (new helper in ui.rs):
- All items fit → render space-separated; selected item
rendered bold + theme.fg, others theme.muted.
- Overflow → window centred on the selected item (or
item 0 with no selection); `< ` / ` >` markers at the
edges (per the user's #2). Window expands right-first
then left-first to use available width.
- Returns `Line<'static>` (items cloned into spans) so the
caller doesn't fight lifetimes between the
AmbientHint::Candidates payload and the rendered Line.
Updated callers in ui.rs and input_render tests for the new
signature. Added `ambient_hint_with_memo_carries_selected_index`
test asserting the renderer-side `selected` plumbing.
Tests: 730 passing, 0 failing, 1 ignored (728 baseline →
+2 net: -3 reworked + 5 new candidate-related cases).
Clippy clean.
Stage 8c will plumb identifier completion (schema cache +
candidate fetch from worker on demand or pre-cache) and add
the invalid-identifier hint variant.