fix: remove unused imports across multiple files

[Muneerali199]

Summary

Fixes #225

Removes unused and unnecessary imports that were flagged by flutter analyze across 5 files. These imports add dead code, slow compilation, and pollute the dependency graph.

Files Changed

File	Removed Import	Rule
lib/screens/home/home_screen.dart	package:flutter/services.dart	unused_import
lib/screens/home/home_screen.dart	../../widgets/custom_widgets.dart	unused_import
lib/screens/home/home_screen.dart	../../services/navigation_service.dart	unused_import
lib/screens/splash_screen.dart	../services/navigation_service.dart	unused_import
lib/screens/meetings/meeting_insights_screen.dart	package:flutter/foundation.dart	unused_import
lib/screens/workspace/workspace_screen.dart	../chat/chat_screen.dart	unused_import
lib/theme/theme_controller.dart	dart:ui	unnecessary_import (all used elements already provided by flutter/material.dart)

Before / After

Before (flutter analyze):

warning - Unused import: 'package:flutter/services.dart'         - home_screen.dart:2
warning - Unused import: '../../widgets/custom_widgets.dart'     - home_screen.dart:3
warning - Unused import: '../../services/navigation_service.dart'- home_screen.dart:4
warning - Unused import: '../services/navigation_service.dart'   - splash_screen.dart:4
warning - Unused import: 'package:flutter/foundation.dart'       - meeting_insights_screen.dart:7
warning - Unused import: '../chat/chat_screen.dart'              - workspace_screen.dart:8
info    - The import of 'dart:ui' is unnecessary                 - theme_controller.dart:1

After (flutter analyze on all 5 files):

13 issues found.

Zero unused_import or unnecessary_import warnings in these files.

Checklist

• flutter analyze run — all unused import warnings resolved
• No functional code removed — only import statements
• Verified no other code in each file references the removed imports

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📥 Commits

Reviewing files that changed from the base of the PR and between 5afe656 and b2834ab.

📒 Files selected for processing (5)

• lib/screens/home/home_screen.dart
• lib/screens/meetings/meeting_insights_screen.dart
• lib/screens/splash_screen.dart
• lib/screens/workspace/workspace_screen.dart
• lib/theme/theme_controller.dart

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[Copilot]

Pull request overview

Removes unused and unnecessary import statements across 5 files to resolve flutter analyze warnings, as described in issue #225.

Changes:

• Removed 3 unused imports from home_screen.dart, and 1 each from splash_screen.dart, meeting_insights_screen.dart, workspace_screen.dart
• Removed unnecessary dart:ui import from theme_controller.dart (already re-exported by flutter/material.dart)

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
lib/screens/home/home_screen.dart	Removed 3 unused imports
lib/screens/splash_screen.dart	Removed unused navigation_service.dart import
lib/screens/meetings/meeting_insights_screen.dart	Removed unused foundation.dart import
lib/screens/workspace/workspace_screen.dart	Removed unused chat_screen.dart import
lib/theme/theme_controller.dart	Removed unnecessary dart:ui import

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