docs: add CHANGELOG and commit rewriting script

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [Unreleased]
+
+### Features
+- Fix menubar, add lazy loading, improve image quality, limit search results, filter browse artists
+- Add pagination to library/songs and remove listening streaks
+- Improve SortableQueueItem component with enhanced click handling and styling
+- Add keyboard shortcuts and queue management features
+- Add ListeningStreakCard component for tracking listening streaks
+- Enhance OfflineManagement component with improved card styling and layout
+- Implement Auto-Tagging Settings and MusicBrainz integration
+- Enhance audio settings with ReplayGain, crossfade, and equalizer presets; add AudioSettingsDialog component
+- Update cover art retrieval to use higher resolution images and enhance download manager with new features
+- Enhance UI with Framer Motion animations for album artwork and artist icons
+- Add page transition animations and notification settings for audio playback
+- Implement offline library synchronization with IndexedDB
+- Implement offline library management with IndexedDB support
+
+### Bug Fixes
+- Use git commit SHA for versioning, fix audio playback resume, remove all streak localStorage code
+- Docker startup issue, add GitHub release workflow and changelog config
+
+### Refactoring
+- Simplify service worker by removing offline download functionality
+- Remove all offline download and caching functionality
+- Move service worker registration to a dedicated component for improved client-side handling
+- Refactor service worker registration and enhance offline download manager with client-side checks
+
+### Miscellaneous
+- Organize documentation: move markdown files to docs/ folder
+- Update version to 2026.01.24 and add changelog for January 2026 release
+- Update pnpm-lock.yaml to match new overrides configuration
+- Remove PostHog analytics and update dependencies to latest minor versions
+- Bump the dev group across 1 directory with 2 updates
+- Merge pull request #39 from sillyangel/dependabot/npm_and_yarn/dev-99ea30e4b7
+
+### Styling
+- Update README formatting and improve content clarity
+
+## [2026.01.24] - 2026-01-24
+
+Previous release before changelog tracking.

docs/rewrite-commits.sh

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+#!/bin/bash
+# Script to rewrite commits to conventional commit format
+# WARNING: This rewrites git history. Only use on branches that haven't been shared or after coordinating with team.
+
+# This script uses git filter-branch to rewrite commit messages
+# Run from repository root: bash docs/rewrite-commits.sh
+
+echo "⚠️  WARNING: This will rewrite git history!"
+echo "This should only be done on the offline-support branch before merging to main."
+echo ""
+read -p "Are you sure you want to continue? (yes/no): " confirm
+
+if [ "$confirm" != "yes" ]; then
+    echo "Aborted."
+    exit 1
+fi
+
+# Backup current branch
+git branch backup-$(date +%Y%m%d-%H%M%S)
+
+# Set up commit message mapping
+export FILTER_BRANCH_SQUELCH_WARNING=1
+
+git filter-branch -f --msg-filter '
+    msg=$(cat)
+    
+    # Skip if already has conventional commit prefix
+    if echo "$msg" | grep -qE "^(feat|fix|chore|docs|style|refactor|perf|test|build|ci):"; then
+        echo "$msg"
+    # Convert specific commit messages
+    elif echo "$msg" | grep -q "Use git commit SHA for versioning"; then
+        echo "fix: use git commit SHA for versioning, fix audio playback resume, remove all streak localStorage code"
+    elif echo "$msg" | grep -q "Fix menubar, add lazy loading"; then
+        echo "feat: fix menubar, add lazy loading, improve image quality, limit search results, filter browse artists"
+    elif echo "$msg" | grep -q "Add pagination to library/songs"; then
+        echo "feat: add pagination to library/songs and remove listening streaks"
+    elif echo "$msg" | grep -q "Organize documentation"; then
+        echo "chore: organize documentation - move markdown files to docs/ folder"
+    elif echo "$msg" | grep -q "Simplify service worker"; then
+        echo "refactor: simplify service worker by removing offline download functionality"
+    elif echo "$msg" | grep -q "Remove all offline download"; then
+        echo "refactor: remove all offline download and caching functionality"
+    elif echo "$msg" | grep -q "Update pnpm-lock.yaml"; then
+        echo "chore: update pnpm-lock.yaml to match new overrides configuration"
+    elif echo "$msg" | grep -q "Remove PostHog analytics"; then
+        echo "chore: remove PostHog analytics and update dependencies to latest minor versions"
+    elif echo "$msg" | grep -q "Merge pull request"; then
+        echo "chore: $(echo "$msg" | sed "s/^Merge/merge/")"
+    # Default: add chore: prefix to any other commit
+    else
+        first_char=$(echo "$msg" | cut -c1 | tr "[:upper:]" "[:lower:]")
+        rest=$(echo "$msg" | cut -c2-)
+        echo "chore: ${first_char}${rest}"
+    fi
+' 2025.07.31..HEAD
+
+echo ""
+echo "✅ Commits have been rewritten!"
+echo "⚠️  To update the remote branch, you'll need to force push:"
+echo "    git push origin offline-support --force-with-lease"
+echo ""
+echo "If something went wrong, restore from backup:"
+echo "    git reset --hard backup-TIMESTAMP"