Implement conjugate verbs search bar #566

[prince-0408]

Contributor checklist

• I have tested my code with the ./gradlew lintKotlin detekt test command as directed in the testing section of the contributing guide

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Description

This PR implements the Conjugate Verbs Search Bar feature for Scribe Conjugate, matching the layout and styling seen in the Figma design designs.

Key Changes:

1. ViewModel implementation:
   • Created ConjugateViewModel to handle search logic and querying across downloaded SQLite databases (*ConjugateData.sqlite) on a background thread (Dispatchers.IO).
   • Persists the "Recently conjugated" list history in SharedPreferences (up to 15 items, newest first).
2. UI Updates:
   • Updated ConjugateScreen to feature the header and orange rectangular search bar with curved corners (RoundedCornerShape(dimensionResource(id = R.dimen.rounded_corner_radius_standard)), which is 14.dp to match standard cards).
   • Added a vertical suggestion dropdown showing results matching the search query with their endonym language names in parentheses, e.g. verb (Deutsch).
   • Added the "Recently conjugated" list section below, displaying search history inside a card layout along with a "Clear all ✕" badge on the right.
3. Typography and Layout Tweaks:
   • Set the input and placeholder text in the search bar to FontWeight.Bold and black.
   • Vertically centered the input text inside BasicTextField using Alignment.CenterStart box alignment.
   • Scaled the play button icon to 21.dp x 18.dp to maintain its aspect ratio.

Visual Comparison:

Figma Design Target	Current Implementation

Testing Details:

• Created unit tests in ConjugateViewModelTest verifying:
  • Initial state values.
  • Search query triggers and results clearing.
  • History selection, updates, and persistence in SharedPreferences.
  • Clearing history.
• Manually tested input fields, suggestion clicks, and history loading state.

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Related issue

• Closes Create conjugate verbs search bar for Conjugate app #566

[github-actions]

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[github-actions]

Maintainer Checklist

The following is a checklist for maintainers to make sure this process goes as well as possible. Feel free to address the points below yourself in further commits if you realize that actions are needed :)

• Tests for changes have been written and the unit test, linting and formatting workflows within the PR checks do not indicate new errors in the files changed

  • Tests may need to be reran as they're at times not deterministic

• The CHANGELOG has been updated with a description of the changes for the upcoming release and the corresponding issue (if necessary)

[angrezichatterbox]

Great work @prince-0408. Everything functions as the requirements. Looking forward to see you contribute to more issues. I will merge this in @andrewtavis

[andrewtavis]

Thanks for the great work, @prince-0408!

[andrewtavis]

Also thanks for the review and merging in, @angrezichatterbox :)