Charis 9e80a159b5 refactor(sql-editor): decompose into controller contexts + presentational components (decompose 6/6) (#47938)
## What

Final step (**6 of 6**) of the `SQLEditor.tsx` decomposition. Splits the
two `ResizablePanel` bodies out of the `SQLEditorContent` monolith into
presentational sub-components:

- **`SQLEditorPane`** — the editor panel: loading state, `DiffEditor` +
diff ask-AI widget, `MonacoEditor` + ask-AI widget. Reads the Monaco
refs (`editorRef`/`monacoRef`/`diffEditorRef`) from `SQLEditorContext`,
and receives the `diff`/`prompt`/`ai` controllers plus reactive state as
props.
- **`SQLEditorResults`** — the results panel: loading state +
`UtilityPanel`.

`SQLEditorContent` is now a composition root: shared-ref provider, hook
composition, and the run-query warning modal.

## Result

`SQLEditor.tsx` goes from the original **1056-line** monolith down to
**259 lines** (≈75% reduction). The remaining size over a bare ~140-line
root is the run-query warning modal, kept inline **deliberately**: its
handlers hold the `acceptUntrustedSql` promotion, which must stay at the
explicit user-action boundary in the root rather than moving into a
presentational pane.

## Behavior-preserving

The moved JSX is byte-identical aside from prop threading. No logic,
effects, dependency arrays, or `eslint-disable`s changed. The two
**render-time ref reads** — the editor placeholder (`!promptState.isOpen
&& !editorRef.current?.getValue()`) and the ask-AI widget gate
(`editorRef.current && promptState.isOpen && !isDiffOpen`) — are
preserved verbatim in `SQLEditorPane`, which re-renders whenever the
`prompt`/`diff` props change, keeping those reads fresh (the guardrail
from the plan).

Verification (all green):
- `SQLEditor.test.tsx` characterization suite — 11/11 pass
- `tsc --noEmit` — no new errors
- eslint — clean (no new ratchet entries)
- prettier — clean

## Stack

Builds on decompose 5 (#47935). This is the last PR in the series — the
decomposition is complete after this merges.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Added a resizable SQL editor layout with run warnings, query results,
and an Explain view.
* Introduced centralized SQL editor controllers and expanded AI-assisted
prompt/diff workflows.
  * Added keyboard support for running and Explain analysis.
* **Bug Fixes**
  * Restored editor focus after accepting or discarding AI changes.
  * Improved handling and validation of SQL Explain actions.
  * Preserved editor scroll position when switching snippets.
* **Refactor**
* Streamlined the SQLEditor into a composed layout and improved
memoization to reduce unnecessary re-renders.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-07-15 13:10:09 -04:00
2025-06-17 11:08:46 +02:00
2026-06-30 14:03:40 +02:00
2024-01-10 13:34:41 +01:00
2021-07-25 12:45:26 +08:00

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