feat(assets): regenerate sql-editor.gif; fix JSONB viewer key in docs

The JSONB viewer opens with 'v', not 'j'/'J' as documented.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: tianzhou

README.md

@@ -136,7 +136,7 @@ make build
 
 4. **Search and explore**
    - Press `/` to search and filter rows
-   - Press `j` on a JSONB cell to open the viewer
+   - Press `v` on a JSONB cell to open the viewer
    - Press `Ctrl+K` to open the command palette
 
 5. **Get help**
@@ -170,7 +170,7 @@ make build
 |-----|--------|
 | `/` | Search and filter rows |
 | `Esc` | Clear search |
-| `j` | Open JSONB viewer (on JSONB cell) |
+| `v` | Open JSONB viewer (on JSONB cell) |
 | `p` | Toggle preview pane |
 | `s` | Sort by column |
 | `[` / `]` | Previous/Next tab |

assets/sql-editor.gif

@@ -183,7 +183,7 @@ Press `f` to open the interactive filter builder:
 
 ## JSONB Viewer
 
-Press `J` on a JSONB cell to open the interactive viewer.
+Press `v` on a JSONB cell to open the interactive viewer.
 
 ### Features
 
@@ -326,7 +326,7 @@ Export favorites via command palette:
 | `/` | Search |
 | `f` | Filter builder |
 | `s` | Sort column |
-| `J` | JSONB viewer |
+| `v` | JSONB viewer |
 | `1-4` | Structure tabs |
 
 ### Dialogs