fix: preview section not being updated

[abdulrehmann231]

Fix: Remove files from preview when all diff blocks are resolved

Problem

When accepting or rejecting the last diff block (either manually via widget buttons or via Accept All/Reject All from the diff navigator), files were not being removed from the generated-files-preview component even though all blocks were resolved.

Root Cause

Path normalization mismatch between:

• File paths stored in fileActionStatuses (normalized)
• File paths used in generated-files-preview.tsx for comparison (not normalized)

This caused the filter to miss resolved files because the paths didn't match exactly.

Solution

1. Consistent Path Normalization: Use normalizePath utility consistently across all relevant files

   • useCodeDiffer.ts: Normalize paths when calling onDiffResolved and onDiffChange
   • project-layout.tsx: Use normalizePath in DiffSessionHandler
   • generated-files-preview.tsx: Normalize file.path when checking fileActionStatuses

2. Code Cleanup: Removed debug console.log statements

Changes Made

web/components/project/hooks/useCodeDiffer.ts

• Import normalizePath utility
• Use normalizePath(model.uri.fsPath) instead of manual path replacement
• Normalize paths in both checkAndResolve callbacks (in handleApplyCode and restoreFromSnapshot)
• Remove debug console.log statements

web/components/project/chat/components/generated-files-preview.tsx

• Import normalizePath utility
• Normalize file.path when checking fileActionStatuses to ensure proper matching

web/components/project/project-layout.tsx

• Import normalizePath utility
• Use normalizePath in DiffSessionHandler.markResolved for consistency
• Remove debug console.log statements

How It Works Now

1. User resolves last diff block → WidgetManager calls onWidgetsChanged(0)
2. useCodeDiffer detects count = 0 → calls onDiffResolved(normalizePath(model.uri.fsPath), status)
3. DiffSessionHandler.markResolved normalizes path → calls markFileActionStatus
4. markFileActionStatus stores normalized path in fileActionStatuses[messageId][normalizedPath]
5. generated-files-preview.tsx checks fileActionStatuses[messageId]?.[normalizePath(file.path)] → correctly filters out resolved files

Issue

Closes #214

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