Extract shared call_ollama_chat helper from generate_sql to reuse
settings loading and Ollama API call logic. Add two new AI commands:
- explain_sql: explains what a SQL query does in plain language
- fix_sql_error: suggests corrected SQL based on the error and schema
UI additions: "AI Explain" toolbar button, "Explain" and "Fix with AI"
action buttons on query errors, inline explanation display in results.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add a Table/JSON segmented toggle to both the query workspace and
table data viewer, allowing users to switch between tabular and
pretty-printed JSON display of results without exporting to a file.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add CodeMirror 6 SQL editor with Ctrl+Enter execution, ResultsTable
with virtual scrolling and resizable columns, ResultsPanel, EditableCell,
WorkspacePanel (editor + results split), and TabContent router.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
