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Iteration 4a: rebuild command with confirmation modal

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Adds the explicit `rebuild` app-level command (ADR-0015 §7, §11)
and a modal UI infrastructure to host its confirmation dialog.
Typing `rebuild` emits Action::PrepareRebuild; the runtime reads
project.yaml + data/ to compute a summary ("3 tables and 47 rows
will be reconstructed; the existing playground.db will be
replaced") and posts AppEvent::RebuildPrepared, which opens the
modal. Y confirms, N/Esc cancels. While the modal is open,
normal input is gated.

The worker's do_rebuild_from_text now wipes existing user tables
and metadata before reloading from text, so it works on both
fresh and populated databases. Source text is plumbed through
rebuild_from_text so the explicit rebuild logs to history.log
while the silent on-load rebuild from Iteration 3 stays silent.

Modal infrastructure (App.modal field + key routing + centered
overlay rendering + word-wrap) is reused by Iteration 4b's save
/ save as / load / new flows.

Tests: 314 passing (268 lib + 9 + 5 + 6 new + 9 + 17),
0 failing, 0 skipped. Clippy clean.
This commit is contained in:
claude@clouddev1
2026-05-07 22:27:37 +00:00
parent f0fc063756
commit ba93d3c7d8
9 changed files with 638 additions and 20 deletions
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src/snapshots/rdbms_playground__ui__tests__rebuild_confirm_modal_dark.snap
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---
source: src/ui.rs
assertion_line: 561
expression: snapshot
---
╭ Tables ──────────────────╮╭ Output ──────────────────────────────────────────╮
│(none yet) ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ╭ Rebuild project ─────────────────────────────────────────╮ │
│ │ │ │
│ │3 tables and 47 rows will be reconstructed; the existing │ │
│ │playground.db will be replaced │ │
│ │ │ │
│ │Continue? │ │
│ │ │ │
│ │[Y] yes [N] no Esc cancel │ │
│ ╰──────────────────────────────────────────────────────────╯─────────╯
│ │╭ SIMPLE ──────────────────────────────────────────╮
│ ││ │
│ │╰──────────────────────────────────────────────────╯
│ │╭ Hint ────────────────────────────────────────────╮
│ ││(no active hint) │
╰──────────────────────────╯╰──────────────────────────────────────────────────╯
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