feat(desktop): add spellcheck suggestions to context menu

[chuks-qua]

What

Surface spellcheck correction suggestions in the right-click context menu on the Electron desktop app.

Why

Chromium's spellchecker already detects and underlines misspelled words, but Electron does not automatically populate the context menu with dictionary suggestions. Users expect right-click spelling corrections, consistent with other desktop applications.

Key Changes

• Add context-menu event handler on webContents in createWindow()
• Show up to 5 dictionary suggestions when right-clicking a misspelled word, clicking a suggestion calls replaceMisspelling()
• Show "No suggestions" placeholder when the word is misspelled but the dictionary has no matches
• Always include standard edit actions (Cut, Copy, Paste, Select All) with proper editFlags gating

Closes to #473

Note

Add spellcheck suggestions to the desktop window context menu and invoke Electron.WebContents.replaceMisspelling for up to five items in main.ts

Register a webContents context-menu listener to render a custom menu with up to five spelling suggestions, a fallback disabled "No suggestions" item, a separator, and edit role items (cut, copy, paste, selectAll) with states from params.editFlags.

📍Where to Start

Start at the createWindow initializer where the webContents.on('context-menu', ...) handler is added in main.ts.

^{Macroscope summarized 1e6e78e.}

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[t3dotgg]

I hate this and it sucks for code because so many variables are "spelled incorrectly". If we get more reports I will reconsider

[official-notfishvr]

maybe have a setting to turn this on or off?

[t3dotgg]

OH I misunderstood, reopening