diff --git a/src/audio/audio_downloader.h b/src/audio/audio_downloader.h
index 8c8b8d6..3a6eba7 100644
--- a/src/audio/audio_downloader.h
+++ b/src/audio/audio_downloader.h
@@ -27,17 +27,17 @@ namespace radiantwave::audio {
 // honored, anything else falls back to the Hz parsed from the filename, so
 // the file's own name is always the safety net.
 struct AudioManifestEntry {
-    std::string filename;
-    std::string display_name;
-    int solfeggio_frequency_hz = 0;
-    std::string md5;
+	std::string filename;
+	std::string display_name;
+	int solfeggio_frequency_hz = 0;
+	std::string md5;
 };
 
 // Downloads audio assets from files.radiantwavetech.com in the background
 // and keeps the database's audio_files table in sync with what is actually
 // on disk.
 //
-// Fetches checksums.md5, compares each entry against the local file's MD5,
+// Fetches new_checksums.md5, compares each entry against the local file's MD5,
 // and re-downloads anything that is missing or whose checksum differs.
 // Files present on disk but absent from the manifest are deleted, and the
 // audio_files table is reconciled on every pass (and after each individual
@@ -50,45 +50,49 @@ struct AudioManifestEntry {
 // checksums are picked up while running.
 class AudioDownloader {
 public:
-    AudioDownloader() = default;
-    ~AudioDownloader();
+	AudioDownloader() = default;
+	~AudioDownloader();
 
-    AudioDownloader(const AudioDownloader&) = delete;
-    AudioDownloader& operator=(const AudioDownloader&) = delete;
+	AudioDownloader(const AudioDownloader &) = delete;
+	AudioDownloader &operator=(const AudioDownloader &) = delete;
 
-    // Spawns the background thread. Safe to call repeatedly; only one worker
-    // runs at a time. The manifest is reconciled against `db` on every pass.
-    void start(db::DatabaseManager& db);
+	// Spawns the background thread. Safe to call repeatedly; only one worker
+	// runs at a time. The manifest is reconciled against `db` on every pass.
+	void start(db::DatabaseManager &db);
 
-    // Signals the worker to stop and joins the thread.
-    void shutdown();
+	// Signals the worker to stop and joins the thread.
+	void shutdown();
 
-    // Returns the current human-readable status for display (e.g. footer).
-    std::string statusString() const;
+	// Returns the current human-readable status for display (e.g. footer).
+	std::string statusString() const;
 
-    static constexpr const char* AUDIO_BASE_URL = "https://files.radiantwavetech.com/audio/";
-    static constexpr const char* MANIFEST_FILENAME = "checksums.md5";
+	static constexpr const char *AUDIO_BASE_URL =
+		"https://files.radiantwavetech.com/audio/";
+	static constexpr const char *MANIFEST_FILENAME = "new_checksums.md5";
 
 private:
-    void run();
-    bool fetchManifest(std::vector<AudioManifestEntry>& out);
-    bool downloadAndVerify(const std::string& filename, const std::string& expectedMd5, const std::string& displayName);
+	void run();
+	bool fetchManifest(std::vector<AudioManifestEntry> &out);
+	bool downloadAndVerify(const std::string &filename,
+						   const std::string &expectedMd5,
+						   const std::string &displayName);
 
-    void setStatus(const std::string& msg);
-    void wait(std::chrono::seconds seconds);
+	void setStatus(const std::string &msg);
+	void wait(std::chrono::seconds seconds);
 
-    mutable std::mutex mutex_;
-    std::condition_variable cv_;
-    std::thread worker_;
-    std::atomic<bool> stop_{false};
-    std::string status_;
-    db::DatabaseManager* db_ = nullptr;
+	mutable std::mutex mutex_;
+	std::condition_variable cv_;
+	std::thread worker_;
+	std::atomic<bool> stop_{false};
+	std::string status_;
+	db::DatabaseManager *db_ = nullptr;
 };
 
-// Parses checksums.md5 manifest text into entries. Blank lines and lines
+// Parses new_checksums.md5 manifest text into entries. Blank lines and lines
 // starting with '#' are ignored. Lines that don't match a known format are
 // skipped. Returns false if no valid entries were found.
-bool parseManifest(const std::string& text, std::vector<AudioManifestEntry>& out);
+bool parseManifest(const std::string &text,
+				   std::vector<AudioManifestEntry> &out);
 
 // Maps a frequency value in Hz to its internal solfeggio frequency id using
 // the same table the color palettes are seeded from (174/285->1, 396->2,
@@ -100,9 +104,9 @@ int frequencyIdForHz(int hz);
 // "396Hz.wav" -> 396. Requires the digits to be followed by "Hz"
 // (case-insensitive); returns 0 when the name has no frequency (e.g.
 // "AlphaWaves.wav", "OriginalAudio.wav").
-int hzFromFilename(const std::string& filename);
+int hzFromFilename(const std::string &filename);
 
 // Computes the lowercase MD5 hex of a file, or an empty string on failure.
-std::string computeFileMd5(const std::string& path);
+std::string computeFileMd5(const std::string &path);
 
 } // namespace radiantwave::audio