diff --git a/.gitignore b/.gitignore
index ae3844c..ecee7cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,5 @@ Analyzer/raw/dll/*.dylib
 /Analyzer/raw/IR_Fox/.github
 **/.build
 graphify-out/*
+**/.build-*/
+/tests/*.exe
diff --git a/Analyzer/raw/IR_Fox/CMakeLists.txt b/Analyzer/raw/IR_Fox/CMakeLists.txt
index 6a7f575..a5feeec 100644
--- a/Analyzer/raw/IR_Fox/CMakeLists.txt
+++ b/Analyzer/raw/IR_Fox/CMakeLists.txt
@@ -15,6 +15,7 @@ set(SOURCES
 	src/IrFoxAnalyzer.h
 	src/IrFoxDecoder.cpp
 	src/IrFoxDecoder.h
+	src/IrFoxPacketClassifier.h
 	src/IrFoxAnalyzerResults.cpp
 	src/IrFoxAnalyzerResults.h
 	src/IrFoxAnalyzerSettings.cpp
@@ -24,3 +25,23 @@ set(SOURCES
 )
 
 add_analyzer_plugin(${PROJECT_NAME} SOURCES ${SOURCES})
+
+if(MSVC)
+	target_compile_options(${PROJECT_NAME} PRIVATE /utf-8)
+endif()
+
+include(CTest)
+if(BUILD_TESTING)
+	add_executable(IrFoxPacketClassifierTests tests/IrFoxPacketClassifierTests.cpp)
+	target_include_directories(IrFoxPacketClassifierTests PRIVATE src)
+	add_test(NAME IrFoxPacketClassifierTests COMMAND IrFoxPacketClassifierTests)
+
+	add_executable(IrFoxDecoderTests tests/IrFoxDecoderTests.cpp src/IrFoxDecoder.cpp)
+	target_include_directories(IrFoxDecoderTests PRIVATE src)
+	target_link_libraries(IrFoxDecoderTests PRIVATE Saleae::AnalyzerSDK)
+	add_custom_command(TARGET IrFoxDecoderTests POST_BUILD
+		COMMAND ${CMAKE_COMMAND} -E copy_if_different
+			$<TARGET_FILE:Saleae::AnalyzerSDK>
+			$<TARGET_FILE_DIR:IrFoxDecoderTests>)
+	add_test(NAME IrFoxDecoderTests COMMAND IrFoxDecoderTests)
+endif()
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzer.cpp b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzer.cpp
index e4cc182..da03579 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzer.cpp
+++ b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzer.cpp
@@ -1,6 +1,7 @@
 #include "IrFoxAnalyzer.h"
 #include "IrFoxAnalyzerSettings.h"
 #include "IrFoxDecoder.h"
+#include "IrFoxPacketClassifier.h"
 #include <AnalyzerChannelData.h>
 #include <AnalyzerResults.h>
 #include <algorithm>
@@ -25,7 +26,6 @@ IrFoxAnalyzer::~IrFoxAnalyzer()
 
 void IrFoxAnalyzer::SetupResults()
 {
-	m_packet_hex_by_frame.clear();
 	mResults.reset(new IrFoxAnalyzerResults(this, &mSettings));
 	SetAnalyzerResults(mResults.get());
 	mResults->AddChannelBubblesWillAppearOn(mSettings.mInputChannel);
@@ -46,35 +46,75 @@ static void append_hex(std::string& s, const uint8_t* p, size_t n, size_t max_by
 		s += "...";
 }
 
-const char* IrFoxAnalyzer::PacketHexForFrame(U64 frame_id)
+static const char* packet_status_icon(IrFoxPacketOutcome outcome)
 {
-	auto it = m_packet_hex_by_frame.find(frame_id);
-	if (it == m_packet_hex_by_frame.end())
-		return "";
-	m_hex_scratch = it->second;
-	return m_hex_scratch.c_str();
+	switch (outcome)
+	{
+	case IrFoxPacketOutcome::Accepted:
+		return "✅";
+	case IrFoxPacketOutcome::IgnoredAddress:
+		return "📭";
+	case IrFoxPacketOutcome::RejectedCrc:
+	case IrFoxPacketOutcome::RejectedLength:
+		return "❌";
+	case IrFoxPacketOutcome::RawOnlyUnknownType:
+	case IrFoxPacketOutcome::RawOnlyTypedLength:
+		return "⚠️";
+	}
+	return "⚠️";
 }
 
-const char* IrFoxAnalyzer::BubbleTextForFrame(U64 frame_id) const
+static const char* message_type_icon(uint8_t message_type)
 {
-	auto it = m_bubble_text_by_frame.find(frame_id);
-	if (it == m_bubble_text_by_frame.end())
-		return "";
-	m_bubble_scratch = it->second;
-	return m_bubble_scratch.c_str();
+	switch (message_type)
+	{
+	case irfox::kMsgBack:
+		return "🔙";
+	case irfox::kMsgAccept:
+		return "🤝";
+	case irfox::kMsgRequest:
+		return "📣";
+	case irfox::kMsgBackTo:
+		return "🎯";
+	case irfox::kMsgDataNoAccept:
+		return "📦";
+	case irfox::kMsgDataAccept:
+		return "📨";
+	default:
+		return "⚠️";
+	}
+}
+
+static std::string packet_icon(const IrFoxPacketDecision& decision, IrFoxPacketIconMode mode)
+{
+	const char* status = packet_status_icon(decision.outcome);
+	// Icon-mode selection describes successfully accepted packets. Diagnostic
+	// outcomes must remain visible even when the user selected type-only mode.
+	if (decision.outcome != IrFoxPacketOutcome::Accepted)
+		return status;
+	const char* type = message_type_icon(decision.message_type);
+	switch (mode)
+	{
+	case IrFoxPacketIconMode::Status:
+		return status;
+	case IrFoxPacketIconMode::MessageType:
+		return type;
+	case IrFoxPacketIconMode::StatusAndType:
+	default:
+		return std::string(status) + type;
+	}
 }
 
 void IrFoxAnalyzer::WorkerThread()
 {
 	mIr = GetAnalyzerChannelData(mSettings.mInputChannel);
-	m_packet_hex_by_frame.clear();
-	m_bubble_text_by_frame.clear();
+	mResults->ClearCachedFrameText();
 
 	const U32 fs = GetSampleRate();
 	IrFoxDecoder decoder;
 	decoder.reset();
 
-	/** Потоковый фильтр: убирает импульсы короче kMinFilteredPulseUs (иголки/дребезг в сэмплах). */
+	/** Mirrors the firmware input filter. kMinFilteredPulseUs=0 means direct edge delivery. */
 	const U64 min_seg_samples =
 		std::max<U64>(1ULL, static_cast<U64>((static_cast<double>(irfox::kMinFilteredPulseUs) * 1e-6) * static_cast<double>(fs) + 0.5));
 	struct RawEdge
@@ -115,8 +155,19 @@ void IrFoxAnalyzer::WorkerThread()
 
 	U32 frames_since_commit = 0;
 	const U32 kCommitBatch = 256;
+	const bool detailed_presentation = mSettings.mPresentation == IrFoxPresentation::Detailed;
+	std::vector<IrFoxEmitBit> pending_byte_frames;
+	pending_byte_frames.reserve(irfox::kDataByteSizeMax);
 
-	IrFoxOnBit on_bit = [&](const IrFoxEmitBit& e) {
+	auto note_legacy_frame = [&]() {
+		if (++frames_since_commit >= kCommitBatch)
+		{
+			mResults->CommitResults();
+			frames_since_commit = 0;
+		}
+	};
+
+	auto add_event_frame = [&](const IrFoxEmitBit& e) {
 		Frame frame;
 		frame.mStartingSampleInclusive = static_cast<S64>(e.start_sample);
 		frame.mEndingSampleInclusive = static_cast<S64>(e.end_sample);
@@ -124,45 +175,188 @@ void IrFoxAnalyzer::WorkerThread()
 		frame.mData1 = e.bit_value;
 		frame.mData2 = e.bit_index | (U64(e.err_low) << 16) | (U64(e.err_high) << 24) | (U64(e.err_other) << 32);
 		frame.mFlags = e.mflags;
-		// В SDK только ERROR/WARNING меняют цвет бабла; sync выделяем янтарным (как warning), данные — обычные.
-		if (e.frame_type == IRF_FT_SYNC_BIT)
-			frame.mFlags |= DISPLAY_AS_WARNING_FLAG;
+		mResults->AddFrame(frame);
+		note_legacy_frame();
+	};
 
-		const U64 fid = mResults->AddFrame(frame);
-		if (e.bubble_text[0] != '\0')
-			m_bubble_text_by_frame[fid] = e.bubble_text;
-		if (++frames_since_commit >= kCommitBatch)
+	auto flush_pending_bytes = [&]() {
+		for (const IrFoxEmitBit& byte_event : pending_byte_frames)
+			add_event_frame(byte_event);
+		pending_byte_frames.clear();
+	};
+
+	IrFoxOnBit on_bit = [&](const IrFoxEmitBit& e) {
+		// Per-bit markers dominate Logic's render cost.  They belong to Detailed
+		// only; Overview keeps a fast packet-level timeline.
+		if (e.frame_type == IRF_FT_DATA_BIT)
 		{
-			mResults->CommitResults();
-			frames_since_commit = 0;
+			if (detailed_presentation)
+			{
+				// Markers, like legacy frames, must be published in time order.
+				// Publish the payload boundary when the first bit arrives rather
+				// than inserting it retroactively after packet completion.
+				if (e.bit_index == 0)
+					mResults->AddMarker(static_cast<U64>(e.start_sample), AnalyzerResults::Start,
+						mSettings.mInputChannel);
+				const U64 marker_sample = static_cast<U64>((e.start_sample + e.end_sample) / 2);
+				mResults->AddMarker(marker_sample, e.bit_value ? AnalyzerResults::One : AnalyzerResults::Zero,
+					mSettings.mInputChannel);
+			}
+			return;
 		}
+		// Sync cells have no independent user-facing value at overview scale. A
+		// fatal sync mismatch is still emitted as IRF_FT_ABORT below.
+		if (e.frame_type == IRF_FT_SYNC_BIT)
+			return;
+		if (e.frame_type == IRF_FT_DATA_BYTE)
+		{
+			if (detailed_presentation)
+				pending_byte_frames.push_back(e);
+			return;
+		}
+		if (!detailed_presentation)
+			return;
+		if (e.frame_type == IRF_FT_PREAMBLE)
+		{
+			// A timeout can leave a few complete bytes without a packet event.
+			// Flush them before the next PRE so legacy frames remain monotonic.
+			flush_pending_bytes();
+			add_event_frame(e);
+			return;
+		}
+		if (e.frame_type == IRF_FT_OVERFLOW || e.frame_type == IRF_FT_ABORT)
+			flush_pending_bytes();
+		add_event_frame(e);
 	};
 
 	IrFoxOnPacket on_pkt = [&](const IrFoxEmitPacket& p) {
+		const IrFoxPacketDecision decision =
+			irfox::classifyPacket(p.data_bytes, p.pack_size, p.crc_ok, mSettings.mReceiverAddress);
 		Frame frame;
-		frame.mStartingSampleInclusive = static_cast<S64>(p.start_sample);
+		if (detailed_presentation)
+		{
+			// A Saleae legacy frame cannot overlap another legacy frame. Emit all
+			// completed bytes except the last one, then use the last byte's span
+			// for the packet outcome bubble.
+			for (size_t i = 0; i + 1 < pending_byte_frames.size(); ++i)
+				add_event_frame(pending_byte_frames[i]);
+			frame.mStartingSampleInclusive = static_cast<S64>(pending_byte_frames.empty() ?
+				p.data_start_sample : pending_byte_frames.back().start_sample);
+		}
+		else
+		{
+			frame.mStartingSampleInclusive = static_cast<S64>(p.start_sample);
+		}
 		frame.mEndingSampleInclusive = static_cast<S64>(p.end_sample);
-		frame.mType = p.crc_ok ? IRF_FT_PACKET_OK : IRF_FT_PACKET_CRC_FAIL;
+		frame.mFlags = 0;
+		switch (decision.outcome)
+		{
+		case IrFoxPacketOutcome::Accepted:
+			frame.mType = IRF_FT_PACKET_ACCEPTED;
+			break;
+		case IrFoxPacketOutcome::RejectedCrc:
+			frame.mType = IRF_FT_PACKET_CRC_FAIL;
+			frame.mFlags |= DISPLAY_AS_ERROR_FLAG;
+			break;
+		case IrFoxPacketOutcome::RejectedLength:
+			frame.mType = IRF_FT_PACKET_BAD_LENGTH;
+			frame.mFlags |= DISPLAY_AS_ERROR_FLAG;
+			break;
+		case IrFoxPacketOutcome::IgnoredAddress:
+			frame.mType = IRF_FT_PACKET_IGNORED_ADDRESS;
+			break;
+		case IrFoxPacketOutcome::RawOnlyUnknownType:
+		case IrFoxPacketOutcome::RawOnlyTypedLength:
+			frame.mType = IRF_FT_PACKET_RAW_ONLY;
+			frame.mFlags |= DISPLAY_AS_WARNING_FLAG;
+			break;
+		}
 		frame.mData1 = p.pack_size;
 		frame.mData2 = (U64(p.err_low) << 0) | (U64(p.err_high) << 8) | (U64(p.err_other) << 16);
-		if (!p.crc_ok)
-			frame.mFlags |= DISPLAY_AS_ERROR_FLAG;
 
 		const U64 fid = mResults->AddFrame(frame);
+		pending_byte_frames.clear();
+
+		const std::string icon = packet_icon(decision, mSettings.mPacketIconMode);
 
 		std::string hx;
 		append_hex(hx, p.data_bytes, p.pack_size);
-		m_packet_hex_by_frame[fid] = std::move(hx);
+		std::string status = irfox::packetOutcomeText(decision.outcome);
+		if (p.pack_size >= irfox::kMsgBytes)
+		{
+			status += " ";
+			status += irfox::messageTypeText(decision.message_type);
+		}
+		if (decision.has_destination)
+			status += " to=" + std::to_string(decision.destination);
 
-		FrameV2 fv2;
-		fv2.AddBoolean("crc_ok", p.crc_ok);
-		fv2.AddInteger("len", static_cast<S64>(p.pack_size));
-		fv2.AddInteger("err_low", static_cast<S64>(p.err_low));
-		fv2.AddInteger("err_high", static_cast<S64>(p.err_high));
-		fv2.AddInteger("err_other", static_cast<S64>(p.err_other));
-		fv2.AddByteArray("data", p.data_bytes, p.pack_size);
-		mResults->AddFrameV2(fv2, p.crc_ok ? "packet_ok" : "packet_bad", static_cast<U64>(p.start_sample),
-							  static_cast<U64>(p.end_sample));
+		auto cached_text = std::make_shared<IrFoxCachedFrameText>();
+		cached_text->export_hex = hx;
+		cached_text->bubble_texts[0] = icon;
+		if (detailed_presentation)
+		{
+			char last_byte[3] = "??";
+			if (p.pack_size > 0)
+				std::snprintf(last_byte, sizeof last_byte, "%02X", static_cast<unsigned>(p.data_bytes[p.pack_size - 1]));
+			cached_text->bubble_texts[1] = std::string("0x") + last_byte + " " + icon;
+			cached_text->bubble_texts[2] = cached_text->bubble_texts[1] + " " + status + " " +
+				std::to_string(p.pack_size) + "B";
+			if (!hx.empty())
+				cached_text->bubble_texts[2] += " · " + hx;
+		}
+		else
+		{
+			cached_text->bubble_texts[1] = icon + " [" + hx + "] " + icon;
+			cached_text->bubble_texts[2] = icon + " " + status + " " +
+				std::to_string(p.pack_size) + "B";
+			if (!hx.empty())
+				cached_text->bubble_texts[2] += " · [" + hx + "] " + icon;
+		}
+		cached_text->bubble_text_count = 3;
+		mResults->CacheFrameText(fid, cached_text);
+
+		if (detailed_presentation)
+		{
+			AnalyzerResults::MarkerType outcome_marker = AnalyzerResults::Square;
+			switch (decision.outcome)
+			{
+			case IrFoxPacketOutcome::Accepted:
+				outcome_marker = AnalyzerResults::Square;
+				break;
+			case IrFoxPacketOutcome::IgnoredAddress:
+			case IrFoxPacketOutcome::RawOnlyUnknownType:
+			case IrFoxPacketOutcome::RawOnlyTypedLength:
+				outcome_marker = AnalyzerResults::X;
+				break;
+			case IrFoxPacketOutcome::RejectedCrc:
+			case IrFoxPacketOutcome::RejectedLength:
+				outcome_marker = AnalyzerResults::ErrorX;
+				break;
+			}
+			mResults->AddMarker(static_cast<U64>(p.end_sample), outcome_marker, mSettings.mInputChannel);
+		}
+		if (detailed_presentation)
+		{
+			// Structured output is useful in Detailed. Overview intentionally keeps
+			// only the single legacy packet frame used by the graph bubble.
+			FrameV2 fv2;
+			fv2.AddBoolean("crc_ok", p.crc_ok);
+			fv2.AddBoolean("raw_accepted", decision.raw_accepted());
+			fv2.AddBoolean("accepted", decision.outcome == IrFoxPacketOutcome::Accepted);
+			fv2.AddInteger("outcome", static_cast<S64>(decision.outcome));
+			fv2.AddInteger("message_type", static_cast<S64>(decision.message_type));
+			fv2.AddInteger("receiver_address", static_cast<S64>(mSettings.mReceiverAddress));
+			if (decision.has_destination)
+				fv2.AddInteger("destination", static_cast<S64>(decision.destination));
+			fv2.AddInteger("len", static_cast<S64>(p.pack_size));
+			fv2.AddInteger("err_low", static_cast<S64>(p.err_low));
+			fv2.AddInteger("err_high", static_cast<S64>(p.err_high));
+			fv2.AddInteger("err_other", static_cast<S64>(p.err_other));
+			fv2.AddByteArray("data", p.data_bytes, p.pack_size);
+			const char* type = decision.outcome == IrFoxPacketOutcome::Accepted ? "packet_accepted" :
+				decision.raw_accepted() ? "packet_raw_only" : "packet_rejected";
+			mResults->AddFrameV2(fv2, type, static_cast<U64>(p.start_sample), static_cast<U64>(p.end_sample));
+		}
 
 		if (++frames_since_commit >= kCommitBatch)
 		{
@@ -170,6 +364,10 @@ void IrFoxAnalyzer::WorkerThread()
 			frames_since_commit = 0;
 		}
 	};
+	// In Overview the decoder still performs the same timing, CRC, and receiver
+	// checks, but does not allocate and dispatch hundreds of visual bit events.
+	const IrFoxOnBit no_bit_events;
+	const IrFoxOnBit& bit_events = detailed_presentation ? on_bit : no_bit_events;
 
 	auto emit_confirmed_edges = [&]() {
 		for (;;)
@@ -180,7 +378,7 @@ void IrFoxAnalyzer::WorkerThread()
 				return;
 			if (pending[1].sample - pending[0].sample < min_seg_samples)
 				continue;
-			decoder.processEdge(pending[0].sample, pending[0].rising, fs, on_bit, on_pkt);
+			decoder.processEdge(pending[0].sample, pending[0].rising, fs, bit_events, on_pkt);
 			last_dec_edge_sample = pending[0].sample;
 			last_dec_edge_valid = true;
 			pending.erase(pending.begin());
@@ -192,7 +390,7 @@ void IrFoxAnalyzer::WorkerThread()
 		strip_vs_last_decoder();
 		while (pending.size() >= 2 && pending[1].sample - pending[0].sample >= min_seg_samples)
 		{
-			decoder.processEdge(pending[0].sample, pending[0].rising, fs, on_bit, on_pkt);
+			decoder.processEdge(pending[0].sample, pending[0].rising, fs, bit_events, on_pkt);
 			last_dec_edge_sample = pending[0].sample;
 			last_dec_edge_valid = true;
 			pending.erase(pending.begin());
@@ -201,7 +399,7 @@ void IrFoxAnalyzer::WorkerThread()
 		}
 		if (pending.size() == 1)
 		{
-			decoder.processEdge(pending[0].sample, pending[0].rising, fs, on_bit, on_pkt);
+			decoder.processEdge(pending[0].sample, pending[0].rising, fs, bit_events, on_pkt);
 			last_dec_edge_sample = pending[0].sample;
 			last_dec_edge_valid = true;
 			pending.clear();
@@ -230,7 +428,9 @@ void IrFoxAnalyzer::WorkerThread()
 	}
 
 	flush_pending_tail();
-	decoder.flushEnd(mIr->GetSampleNumber(), fs, on_bit, on_pkt);
+	decoder.flushEnd(mIr->GetSampleNumber(), fs, bit_events, on_pkt);
+	if (detailed_presentation)
+		flush_pending_bytes();
 
 	if (frames_since_commit != 0)
 		mResults->CommitResults();
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzer.h b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzer.h
index dbf3167..0551910 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzer.h
+++ b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzer.h
@@ -6,8 +6,6 @@
 #include "IrFoxAnalyzerResults.h"
 #include "IrFoxSimulationDataGenerator.h"
 #include <memory>
-#include <string>
-#include <unordered_map>
 
 class ANALYZER_EXPORT IrFoxAnalyzer : public Analyzer2
 {
@@ -25,9 +23,6 @@ public:
 	virtual const char* GetAnalyzerName() const;
 	virtual bool NeedsRerun();
 
-	const char* PacketHexForFrame(U64 frame_id);
-	const char* BubbleTextForFrame(U64 frame_id) const;
-
 protected:
 	IrFoxAnalyzerSettings mSettings;
 	std::unique_ptr<IrFoxAnalyzerResults> mResults;
@@ -36,10 +31,6 @@ protected:
 	IrFoxSimulationDataGenerator mSimulationDataGenerator;
 	bool mSimulationInitilized;
 
-	std::unordered_map<U64, std::string> m_packet_hex_by_frame;
-	std::unordered_map<U64, std::string> m_bubble_text_by_frame;
-	mutable std::string m_hex_scratch;
-	mutable std::string m_bubble_scratch;
 };
 
 extern "C" ANALYZER_EXPORT const char* __cdecl GetAnalyzerName();
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerResults.cpp b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerResults.cpp
index 0499232..36ebecf 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerResults.cpp
+++ b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerResults.cpp
@@ -6,6 +6,7 @@
 #include "IrFoxDecoder.h"
 #include <cstdio>
 #include <fstream>
+#include <string>
 
 IrFoxAnalyzerResults::IrFoxAnalyzerResults(IrFoxAnalyzer* analyzer, IrFoxAnalyzerSettings* settings)
 	: AnalyzerResults(),
@@ -18,51 +19,86 @@ IrFoxAnalyzerResults::~IrFoxAnalyzerResults()
 {
 }
 
+void IrFoxAnalyzerResults::ClearCachedFrameText()
+{
+	std::lock_guard<std::mutex> lock(m_frame_text_mutex);
+	m_frame_text_by_frame.clear();
+	m_frame_text_by_frame.reserve(1024);
+}
+
+void IrFoxAnalyzerResults::CacheFrameText(U64 frame_id, std::shared_ptr<const IrFoxCachedFrameText> text)
+{
+	std::lock_guard<std::mutex> lock(m_frame_text_mutex);
+	m_frame_text_by_frame[frame_id] = std::move(text);
+}
+
+std::shared_ptr<const IrFoxCachedFrameText> IrFoxAnalyzerResults::CachedFrameTextForFrame(U64 frame_id) const
+{
+	std::lock_guard<std::mutex> lock(m_frame_text_mutex);
+	const auto it = m_frame_text_by_frame.find(frame_id);
+	return it == m_frame_text_by_frame.end() ? nullptr : it->second;
+}
+
 void IrFoxAnalyzerResults::GenerateBubbleText(U64 frame_index, Channel& channel, DisplayBase display_base)
 {
 	(void)display_base;
 	(void)channel;
 	ClearResultStrings();
+	auto add_cached_text = [&]() {
+		const std::shared_ptr<const IrFoxCachedFrameText> cached = CachedFrameTextForFrame(frame_index);
+		if (!cached)
+			return false;
+		for (size_t i = 0; i < cached->bubble_text_count; ++i)
+			AddResultString(cached->bubble_texts[i].c_str());
+		return true;
+	};
+
+	// Every Overview frame is a packet with immutable, precomputed text. Avoid
+	// even GetFrame() and formatting on Logic's redraw callback in that mode.
+	if (mSettings->mPresentation == IrFoxPresentation::Overview && add_cached_text())
+		return;
+
 	Frame frame = GetFrame(frame_index);
 
 	char line[256];
 
 	switch (frame.mType)
 	{
-	case IRF_FT_DATA_BIT:
-	case IRF_FT_SYNC_BIT:
+	case IRF_FT_DATA_BYTE:
+	{
+		char byte_text[3];
+		std::snprintf(byte_text, sizeof byte_text, "%02X", static_cast<unsigned>(frame.mData1 & 0xFFu));
+		AddResultString(byte_text);
+		AddResultString("0x", byte_text);
+		break;
+	}
+
 	case IRF_FT_PREAMBLE:
 	case IRF_FT_OVERFLOW:
 	case IRF_FT_ABORT:
 	{
-		const char* bt = mAnalyzer->BubbleTextForFrame(frame_index);
-		if (bt && bt[0])
-			AddResultString(bt);
-		else if (frame.mType == IRF_FT_DATA_BIT)
-			AddResultString(frame.mData1 ? "1" : "0");
-		else if (frame.mType == IRF_FT_SYNC_BIT)
-		{
-			snprintf(line, sizeof line, "sync: %s", frame.mData1 ? "1" : "0");
-			AddResultString(line);
-		}
-		else if (frame.mType == IRF_FT_OVERFLOW)
+		if (frame.mType == IRF_FT_OVERFLOW)
 			AddResultString("OVF");
 		else if (frame.mType == IRF_FT_ABORT)
 			AddResultString("SYNC!");
 		else
-			AddResultString("PRE");
+		{
+			AddResultString("📡");
+			AddResultString("📡 PRE");
+		}
 		break;
 	}
 
-	case IRF_FT_PACKET_OK:
+	case IRF_FT_PACKET_ACCEPTED:
 	case IRF_FT_PACKET_CRC_FAIL:
+	case IRF_FT_PACKET_BAD_LENGTH:
+	case IRF_FT_PACKET_RAW_ONLY:
+	case IRF_FT_PACKET_IGNORED_ADDRESS:
 	{
-		snprintf(line, sizeof line, "%s %lluB", frame.mType == IRF_FT_PACKET_OK ? "OK" : "CRC",
-				 (unsigned long long)frame.mData1);
-		AddResultString(line);
-		const char* hx = mAnalyzer->PacketHexForFrame(frame_index);
-		if (hx && hx[0])
-			AddResultString(hx);
+		if (!add_cached_text())
+			AddResultString(frame.mType == IRF_FT_PACKET_ACCEPTED ? "✅" :
+				(frame.mType == IRF_FT_PACKET_CRC_FAIL || frame.mType == IRF_FT_PACKET_BAD_LENGTH) ? "❌" :
+				frame.mType == IRF_FT_PACKET_IGNORED_ADDRESS ? "📭" : "⚠️");
 		break;
 	}
 
@@ -95,17 +131,20 @@ void IrFoxAnalyzerResults::GenerateExportFile(const char* file, DisplayBase disp
 		const char* typ = "?";
 		switch (frame.mType)
 		{
-		case IRF_FT_DATA_BIT:
-			typ = "D";
-			break;
-		case IRF_FT_SYNC_BIT:
-			typ = "S";
-			break;
-		case IRF_FT_PACKET_OK:
-			typ = "OK";
+		case IRF_FT_PACKET_ACCEPTED:
+			typ = "ACCEPT";
 			break;
 		case IRF_FT_PACKET_CRC_FAIL:
-			typ = "CRC";
+			typ = "REJECT_CRC";
+			break;
+		case IRF_FT_PACKET_BAD_LENGTH:
+			typ = "REJECT_LEN";
+			break;
+		case IRF_FT_PACKET_RAW_ONLY:
+			typ = "RAW_ONLY";
+			break;
+		case IRF_FT_PACKET_IGNORED_ADDRESS:
+			typ = "IGNORE_ADDR";
 			break;
 		case IRF_FT_OVERFLOW:
 			typ = "OVF";
@@ -120,14 +159,12 @@ void IrFoxAnalyzerResults::GenerateExportFile(const char* file, DisplayBase disp
 			break;
 		}
 
-		const char* hx = mAnalyzer->PacketHexForFrame(i);
-		if (!hx)
-			hx = "";
+		const std::shared_ptr<const IrFoxCachedFrameText> cached = CachedFrameTextForFrame(i);
+		const char* hx = cached ? cached->export_hex.c_str() : "";
 
 		U64 bit_idx = 0;
 		U32 err_l = 0, err_h = 0, err_o = 0;
-		if (frame.mType == IRF_FT_DATA_BIT || frame.mType == IRF_FT_SYNC_BIT ||
-			frame.mType == IRF_FT_OVERFLOW || frame.mType == IRF_FT_ABORT)
+		if (frame.mType == IRF_FT_OVERFLOW || frame.mType == IRF_FT_ABORT)
 		{
 			bit_idx = frame.mData2 & 0xFFFFull;
 			err_l = static_cast<U32>((frame.mData2 >> 16) & 0xFFull);
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerResults.h b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerResults.h
index 4007fcc..b28f764 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerResults.h
+++ b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerResults.h
@@ -2,10 +2,22 @@
 #define IRFOX_ANALYZER_RESULTS
 
 #include <AnalyzerResults.h>
+#include <array>
+#include <memory>
+#include <mutex>
+#include <string>
+#include <unordered_map>
 
 class IrFoxAnalyzer;
 class IrFoxAnalyzerSettings;
 
+struct IrFoxCachedFrameText
+{
+	std::array<std::string, 3> bubble_texts{};
+	size_t bubble_text_count = 0;
+	std::string export_hex;
+};
+
 class IrFoxAnalyzerResults : public AnalyzerResults
 {
 public:
@@ -19,9 +31,15 @@ public:
 	virtual void GeneratePacketTabularText(U64 packet_id, DisplayBase display_base);
 	virtual void GenerateTransactionTabularText(U64 transaction_id, DisplayBase display_base);
 
+	void ClearCachedFrameText();
+	void CacheFrameText(U64 frame_id, std::shared_ptr<const IrFoxCachedFrameText> text);
+	std::shared_ptr<const IrFoxCachedFrameText> CachedFrameTextForFrame(U64 frame_id) const;
+
 protected:
 	IrFoxAnalyzerSettings* mSettings;
 	IrFoxAnalyzer* mAnalyzer;
+	mutable std::mutex m_frame_text_mutex;
+	std::unordered_map<U64, std::shared_ptr<const IrFoxCachedFrameText>> m_frame_text_by_frame;
 };
 
 #endif
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerSettings.cpp b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerSettings.cpp
index c7b0163..ebdc6a9 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerSettings.cpp
+++ b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerSettings.cpp
@@ -3,14 +3,42 @@
 
 IrFoxAnalyzerSettings::IrFoxAnalyzerSettings()
 	: mInputChannel(UNDEFINED_CHANNEL),
-	  mInputChannelInterface()
+	  mReceiverAddress(0),
+	  mPresentation(IrFoxPresentation::Overview),
+	  mPacketIconMode(IrFoxPacketIconMode::StatusAndType),
+	  mInputChannelInterface(),
+	  mReceiverAddressInterface(),
+	  mPresentationInterface(),
+	  mPacketIconModeInterface()
 {
 	mInputChannelInterface.SetTitleAndTooltip(
 		"IR",
 		"Demodulated IR receiver output (e.g. TSOP: idle HIGH, active LOW)");
 	mInputChannelInterface.SetChannel(mInputChannel);
+	mReceiverAddressInterface.SetTitleAndTooltip(
+		"Receiver address",
+		"IR receiver ID for ACCEPT/IGNORE ADDR. 0 mirrors a receiver configured to accept every address; 65000..65535 are broadcast destinations.");
+	mReceiverAddressInterface.SetMin(0);
+	mReceiverAddressInterface.SetMax(65535);
+	mReceiverAddressInterface.SetInteger(mReceiverAddress);
+	mPresentationInterface.SetTitleAndTooltip(
+		"Presentation",
+		"Overview shows one packet bubble over the full frame. Detailed separates PRE, packet, and hexadecimal bytes. Logic 2 does not expose zoom to analyzers, so this is selected explicitly.");
+	mPresentationInterface.AddNumber(static_cast<double>(IrFoxPresentation::Overview), "Overview", "One outcome bubble across the full frame; no PRE badge.");
+	mPresentationInterface.AddNumber(static_cast<double>(IrFoxPresentation::Detailed), "Detailed", "Separate PRE and packet bubbles, plus one hexadecimal bubble per byte.");
+	mPresentationInterface.SetNumber(static_cast<double>(mPresentation));
+	mPacketIconModeInterface.SetTitleAndTooltip(
+		"Packet icon",
+		"Choose whether packet bubbles show reception status, decoded message type, or both.");
+	mPacketIconModeInterface.AddNumber(static_cast<double>(IrFoxPacketIconMode::Status), "Status  ✅", "One status symbol: accepted, other address, invalid, or unknown.");
+	mPacketIconModeInterface.AddNumber(static_cast<double>(IrFoxPacketIconMode::MessageType), "Message type  📦", "One symbol for the decoded firmware message type.");
+	mPacketIconModeInterface.AddNumber(static_cast<double>(IrFoxPacketIconMode::StatusAndType), "Status + type  ✅📦", "Reception status followed by the decoded firmware message type.");
+	mPacketIconModeInterface.SetNumber(static_cast<double>(mPacketIconMode));
 
 	AddInterface(&mInputChannelInterface);
+	AddInterface(&mReceiverAddressInterface);
+	AddInterface(&mPresentationInterface);
+	AddInterface(&mPacketIconModeInterface);
 
 	AddExportOption(0, "Export as text/csv file");
 	AddExportExtension(0, "text", "txt");
@@ -27,6 +55,23 @@ IrFoxAnalyzerSettings::~IrFoxAnalyzerSettings()
 bool IrFoxAnalyzerSettings::SetSettingsFromInterfaces()
 {
 	mInputChannel = mInputChannelInterface.GetChannel();
+	mReceiverAddress = static_cast<uint16_t>(mReceiverAddressInterface.GetInteger());
+	const int presentation = static_cast<int>(mPresentationInterface.GetNumber());
+	mPresentation = presentation == static_cast<int>(IrFoxPresentation::Detailed) ?
+		IrFoxPresentation::Detailed : IrFoxPresentation::Overview;
+	const int packet_icon_mode = static_cast<int>(mPacketIconModeInterface.GetNumber());
+	switch (packet_icon_mode)
+	{
+	case static_cast<int>(IrFoxPacketIconMode::Status):
+		mPacketIconMode = IrFoxPacketIconMode::Status;
+		break;
+	case static_cast<int>(IrFoxPacketIconMode::MessageType):
+		mPacketIconMode = IrFoxPacketIconMode::MessageType;
+		break;
+	default:
+		mPacketIconMode = IrFoxPacketIconMode::StatusAndType;
+		break;
+	}
 
 	ClearChannels();
 	AddChannel(mInputChannel, "IR Fox", true);
@@ -37,6 +82,9 @@ bool IrFoxAnalyzerSettings::SetSettingsFromInterfaces()
 void IrFoxAnalyzerSettings::UpdateInterfacesFromSettings()
 {
 	mInputChannelInterface.SetChannel(mInputChannel);
+	mReceiverAddressInterface.SetInteger(mReceiverAddress);
+	mPresentationInterface.SetNumber(static_cast<double>(mPresentation));
+	mPacketIconModeInterface.SetNumber(static_cast<double>(mPacketIconMode));
 }
 
 void IrFoxAnalyzerSettings::LoadSettings(const char* settings)
@@ -45,6 +93,50 @@ void IrFoxAnalyzerSettings::LoadSettings(const char* settings)
 	text_archive.SetString(settings);
 
 	text_archive >> mInputChannel;
+	S32 receiver_address = 0;
+	if (text_archive >> receiver_address)
+	{
+		if (receiver_address < 0)
+			receiver_address = 0;
+		if (receiver_address > 65535)
+			receiver_address = 65535;
+		mReceiverAddress = static_cast<uint16_t>(receiver_address);
+	}
+	else
+	{
+		// Version 0 settings stored only the channel.
+		mReceiverAddress = 0;
+	}
+	// Settings before the presentation switch contain the former "show bit cells"
+	// value in this position.  Bits are now deliberately always shown.
+	S32 legacy_show_bit_cells = 0;
+	(void)(text_archive >> legacy_show_bit_cells);
+	S32 presentation = static_cast<S32>(IrFoxPresentation::Overview);
+	if (text_archive >> presentation && presentation == static_cast<S32>(IrFoxPresentation::Detailed))
+		mPresentation = IrFoxPresentation::Detailed;
+	else
+		mPresentation = IrFoxPresentation::Overview;
+	S32 packet_icon_mode = static_cast<S32>(IrFoxPacketIconMode::StatusAndType);
+	if (text_archive >> packet_icon_mode)
+	{
+		switch (packet_icon_mode)
+		{
+		case static_cast<S32>(IrFoxPacketIconMode::Status):
+			mPacketIconMode = IrFoxPacketIconMode::Status;
+			break;
+		case static_cast<S32>(IrFoxPacketIconMode::MessageType):
+			mPacketIconMode = IrFoxPacketIconMode::MessageType;
+			break;
+		default:
+			mPacketIconMode = IrFoxPacketIconMode::StatusAndType;
+			break;
+		}
+	}
+	else
+	{
+		// Existing analyzer instances gain the most informative mode by default.
+		mPacketIconMode = IrFoxPacketIconMode::StatusAndType;
+	}
 
 	ClearChannels();
 	AddChannel(mInputChannel, "IR Fox", true);
@@ -57,6 +149,11 @@ const char* IrFoxAnalyzerSettings::SaveSettings()
 	SimpleArchive text_archive;
 
 	text_archive << mInputChannel;
+	text_archive << static_cast<S32>(mReceiverAddress);
+	// Retain the old third field so already-saved configurations remain readable.
+	text_archive << static_cast<S32>(1);
+	text_archive << static_cast<S32>(mPresentation);
+	text_archive << static_cast<S32>(mPacketIconMode);
 
 	return SetReturnString(text_archive.GetString());
 }
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerSettings.h b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerSettings.h
index 694239a..7c70b0f 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerSettings.h
+++ b/Analyzer/raw/IR_Fox/src/IrFoxAnalyzerSettings.h
@@ -3,6 +3,22 @@
 
 #include <AnalyzerSettings.h>
 #include <AnalyzerTypes.h>
+#include <cstdint>
+
+/** Logic 2 does not pass the current zoom level to an analyzer, so the user selects the annotation density. */
+enum class IrFoxPresentation : uint8_t
+{
+	Overview = 0,
+	Detailed = 1,
+};
+
+/** Which compact symbol is used at the shortest packet-bubble zoom level. */
+enum class IrFoxPacketIconMode : uint8_t
+{
+	Status = 0,
+	MessageType = 1,
+	StatusAndType = 2,
+};
 
 class IrFoxAnalyzerSettings : public AnalyzerSettings
 {
@@ -16,9 +32,16 @@ public:
 	virtual const char* SaveSettings();
 
 	Channel mInputChannel;
+	/** Receiver ID used by the same address rule as IR_FOX::checkAddressRuleApply. 0 means catch all. */
+	uint16_t mReceiverAddress;
+	IrFoxPresentation mPresentation;
+	IrFoxPacketIconMode mPacketIconMode;
 
 protected:
 	AnalyzerSettingInterfaceChannel mInputChannelInterface;
+	AnalyzerSettingInterfaceInteger mReceiverAddressInterface;
+	AnalyzerSettingInterfaceNumberList mPresentationInterface;
+	AnalyzerSettingInterfaceNumberList mPacketIconModeInterface;
 };
 
 #endif
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxDecoder.cpp b/Analyzer/raw/IR_Fox/src/IrFoxDecoder.cpp
index de25571..008bab1 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxDecoder.cpp
+++ b/Analyzer/raw/IR_Fox/src/IrFoxDecoder.cpp
@@ -73,6 +73,17 @@ void IrFoxDecoder::first_rx()
 	std::memset(data_buffer, 0, sizeof data_buffer);
 	preamble_bubble_start_valid_ = false;
 	trim_first_data_bit_cell_ = false;
+	packet_start_sample_ = 0;
+	packet_start_valid_ = false;
+	packet_data_start_sample_ = 0;
+	packet_data_start_valid_ = false;
+	byte_start_sample_ = 0;
+	preamble_state_ = PreambleState::Idle;
+	preamble_good_periods_ = 0;
+	preamble_mean_period_us_ = 0;
+	preamble_candidate_last_edge_us_ = 0;
+	preamble_candidate_first_rise_us_ = 0;
+	preamble_candidate_first_rise_valid_ = false;
 }
 
 void IrFoxDecoder::listen_start(double t_us)
@@ -105,7 +116,7 @@ void IrFoxDecoder::check_timeout(double t_us)
 void IrFoxDecoder::write_to_buffer(bool bit, bool pack_trace_invert_fix, uint64_t cell_start_s, uint64_t cell_end_s,
 								   const IrFoxOnBit& on_bit, const IrFoxOnPacket& on_pkt, IrFoxEmitBitMode emit_mode)
 {
-	if (i_data_buffer > irfox::kDataByteSizeMax * 8u)
+	if (i_data_buffer >= irfox::kDataByteSizeMax * 8u)
 	{
 		if (!is_buffer_overflow && on_bit)
 		{
@@ -140,6 +151,19 @@ void IrFoxDecoder::write_to_buffer(bool bit, bool pack_trace_invert_fix, uint64_
 	if (is_data)
 	{
 		const bool was_first_data_bit = (i_data_buffer == 0);
+		const bool was_first_bit_of_byte = (i_data_buffer % irfox::kBitPerByte) == 0U;
+		if (was_first_data_bit && !packet_start_valid_)
+		{
+			packet_start_sample_ = cell_start_s;
+			packet_start_valid_ = true;
+		}
+		if (was_first_data_bit)
+		{
+			packet_data_start_sample_ = cell_start_s;
+			packet_data_start_valid_ = true;
+		}
+		if (was_first_bit_of_byte)
+			byte_start_sample_ = cell_start_s;
 		data_buffer[i_data_buffer / 8] |= static_cast<uint8_t>(bit ? 1 : 0) << (7 - (i_data_buffer % 8));
 		i_data_buffer++;
 		buf_bit_pos++;
@@ -156,6 +180,16 @@ void IrFoxDecoder::write_to_buffer(bool bit, bool pack_trace_invert_fix, uint64_
 			e.bubble_text[1] = '\0';
 			on_bit(e);
 		}
+		if (on_bit && emit_mode == IrFoxEmitBitMode::WithBubble &&
+			(i_data_buffer % irfox::kBitPerByte) == 0U)
+		{
+			const uint64_t byte_index = (i_data_buffer / irfox::kBitPerByte) - 1U;
+			IrFoxEmitBit e{static_cast<int64_t>(byte_start_sample_), static_cast<int64_t>(cell_end_s), IRF_FT_DATA_BYTE,
+				data_buffer[byte_index], byte_index, fl, pack_trace_invert_fix, 0, 0, 0};
+			fill_err_snapshot(e);
+			std::snprintf(e.bubble_text, sizeof e.bubble_text, "%02X", static_cast<unsigned>(data_buffer[byte_index]));
+			on_bit(e);
+		}
 		if (was_first_data_bit && trim_first_data_bit_cell_)
 			trim_first_data_bit_cell_ = false;
 	}
@@ -216,12 +250,33 @@ void IrFoxDecoder::write_to_buffer(bool bit, bool pack_trace_invert_fix, uint64_
 	if (!is_available && is_data && !is_wrong_pack)
 	{
 		if (i_data_buffer == 8 * irfox::kMsgBytes)
+		{
 			pack_size = static_cast<uint16_t>(data_buffer[0] & 0x1Fu);
+			// The receiver rejects a length that cannot contain its two CRC bytes.
+			// Emit the rejection here so the capture explains why no packet follows.
+			if (pack_size != 0 && pack_size < irfox::kMsgBytes + irfox::kCrcBytes)
+			{
+				is_wrong_pack = true;
+				IrFoxEmitPacket pkt{};
+				pkt.start_sample = static_cast<int64_t>(packet_start_valid_ ? packet_start_sample_ : cell_start_s);
+				pkt.data_start_sample = static_cast<int64_t>(packet_data_start_valid_ ? packet_data_start_sample_ : cell_start_s);
+				pkt.end_sample = static_cast<int64_t>(cell_end_s);
+				pkt.crc_ok = false;
+				pkt.pack_size = static_cast<uint8_t>(pack_size);
+				pkt.err_low = err_low_signal;
+				pkt.err_high = err_high_signal;
+				pkt.err_other = err_other;
+				pkt.data_bytes[0] = data_buffer[0];
+				if (on_pkt)
+					on_pkt(pkt);
+			}
+		}
 
 		if (pack_size && (i_data_buffer == 8))
 			msg_type_receive = static_cast<uint8_t>((data_buffer[0] >> 5) | 0xF8u);
 
-		if (pack_size && (i_data_buffer == pack_size * irfox::kBitPerByte))
+		if (pack_size >= irfox::kMsgBytes + irfox::kCrcBytes &&
+			(i_data_buffer == pack_size * irfox::kBitPerByte))
 		{
 			uint16_t crc_computed = 0;
 			const bool crc_ok = crc_check(static_cast<uint8_t>(pack_size - irfox::kCrcBytes), crc_computed);
@@ -232,7 +287,8 @@ void IrFoxDecoder::write_to_buffer(bool bit, bool pack_trace_invert_fix, uint64_
 			is_available = crc_ok;
 
 			IrFoxEmitPacket pkt{};
-			pkt.start_sample = static_cast<int64_t>(cell_start_s);
+			pkt.start_sample = static_cast<int64_t>(packet_start_valid_ ? packet_start_sample_ : cell_start_s);
+			pkt.data_start_sample = static_cast<int64_t>(packet_data_start_valid_ ? packet_data_start_sample_ : cell_start_s);
 			pkt.end_sample = static_cast<int64_t>(cell_end_s);
 			pkt.crc_ok = crc_ok;
 			pkt.pack_size = static_cast<uint8_t>(pack_size);
@@ -256,29 +312,181 @@ void IrFoxDecoder::processEdge(uint64_t sample, bool rising, uint32_t fs, const
 
 	listen_start(t_us);
 
-	// Как IR_DecoderRaw: пауза между фронтами по lastEdgeTime при активном приёме кадра.
-	if (last_edge_time_us > 0.0 && (t_us - last_edge_time_us) > irmax * 2.0 && is_recive)
-		check_timeout(t_us);
-
-	last_edge_time_us = t_us;
-	last_edge_sample = sample;
-
 	const uint32_t rise_max_us = rise_sync_time_us + irfox::kToleranceUs;
 
-	/** Визуализация: начало PRE с ближайшего спада в пределах ~3 битовых периодов (ИК-метка). */
+	/** Firmware starts a preamble candidate only on its first rising edge after silence. */
 	auto new_bubble_preamble_start = [&](uint64_t edge_s, bool is_rising) -> uint64_t {
-		if (!is_rising)
-			return edge_s;
-		if (edge_s > prev_fall_sample)
-		{
-			const double span_us = double(edge_s - prev_fall_sample) * 1e6 / double(fs);
-			const double max_us = double(rise_max_us) * 3.0;
-			if (span_us <= max_us)
-				return prev_fall_sample;
-		}
+		(void)is_rising;
 		return edge_s;
 	};
 
+	// Mirror IR_DecoderRaw::preambleProcessEdge.  A frame may start only after
+	// a long silence and two mutually consistent rise-to-rise periods.
+	auto start_preamble_candidate = [&]() {
+		preamble_state_ = PreambleState::Candidate;
+		preamble_good_periods_ = 0;
+		preamble_mean_period_us_ = 0;
+		preamble_candidate_last_edge_us_ = t_us;
+		preamble_candidate_first_rise_us_ = t_us;
+		preamble_candidate_first_rise_valid_ = rising;
+		is_preamb = true;
+		is_recive = false;
+		is_recive_raw = false;
+		is_wrong_pack = false;
+		preamble_bubble_start_sample_ = new_bubble_preamble_start(sample, rising);
+		preamble_bubble_start_valid_ = true;
+	};
+
+	const uint32_t long_silence_us = irmax * 2U;
+	const uint32_t candidate_timeout_us = irmax * irfox::kPreambleCandidateTimeoutMult;
+	if (preamble_state_ == PreambleState::Locked && !is_recive_raw)
+	{
+		preamble_state_ = PreambleState::Idle;
+		preamble_good_periods_ = 0;
+		preamble_mean_period_us_ = 0;
+	}
+	if (preamble_state_ == PreambleState::Idle)
+	{
+		const bool enough_silence = prev_rise_us == 0.0 ? t_us > static_cast<double>(long_silence_us) :
+			(t_us - prev_rise_us) > static_cast<double>(long_silence_us);
+		if (!is_recive_raw && rising && enough_silence)
+			start_preamble_candidate();
+		else
+		{
+			// IR_DecoderRaw ignores idle edges until a valid preamble candidate starts.
+			last_edge_time_us = t_us;
+			last_edge_sample = sample;
+			last_processed_edge_us = t_us;
+			have_last_processed = true;
+			return;
+		}
+	}
+
+	if (preamble_state_ == PreambleState::Candidate)
+	{
+		if ((t_us - preamble_candidate_last_edge_us_) > static_cast<double>(candidate_timeout_us))
+			start_preamble_candidate();
+
+		preamble_candidate_last_edge_us_ = t_us;
+		if (!rising)
+		{
+			last_edge_time_us = t_us;
+			last_edge_sample = sample;
+			last_processed_edge_us = t_us;
+			have_last_processed = true;
+			return;
+		}
+
+		if (!preamble_candidate_first_rise_valid_)
+		{
+			preamble_candidate_first_rise_valid_ = true;
+			preamble_candidate_first_rise_us_ = t_us;
+			last_edge_time_us = t_us;
+			last_edge_sample = sample;
+			last_processed_edge_us = t_us;
+			have_last_processed = true;
+			return;
+		}
+
+		const uint32_t period_us = static_cast<uint32_t>(t_us - preamble_candidate_first_rise_us_);
+		preamble_candidate_first_rise_us_ = t_us;
+		if (!irfox::preambleRisePeriodCoarseOk(period_us))
+		{
+			preamble_good_periods_ = 0;
+			preamble_mean_period_us_ = 0;
+			last_edge_time_us = t_us;
+			last_edge_sample = sample;
+			last_processed_edge_us = t_us;
+			have_last_processed = true;
+			return;
+		}
+
+		if (preamble_good_periods_ == 0)
+		{
+			preamble_good_periods_ = 1;
+			preamble_mean_period_us_ = period_us;
+		}
+		else
+		{
+			const uint32_t delta = period_us > preamble_mean_period_us_ ? period_us - preamble_mean_period_us_ :
+				preamble_mean_period_us_ - period_us;
+			if (delta <= irfox::preambleJitterTolUs(preamble_mean_period_us_))
+			{
+				if (preamble_good_periods_ < 255U)
+					++preamble_good_periods_;
+				preamble_mean_period_us_ = (preamble_mean_period_us_ * 3U + period_us) / 4U;
+			}
+			else
+			{
+				preamble_good_periods_ = 1;
+				preamble_mean_period_us_ = period_us;
+			}
+		}
+
+		if (preamble_good_periods_ < irfox::kPreambleLockRisePeriods)
+		{
+			last_edge_time_us = t_us;
+			last_edge_sample = sample;
+			last_processed_edge_us = t_us;
+			have_last_processed = true;
+			return;
+		}
+
+		// The firmware clears all frame state when the candidate becomes locked.
+		err_low_signal = err_high_signal = err_other = 0;
+		pack_size = 0;
+		is_buffer_overflow = false;
+		is_available = false;
+		buf_bit_pos = 0;
+		is_data = true;
+		i_data_buffer = 0;
+		next_control_bit = irfox::kBitPerByte;
+		i_sync_bit = 0;
+		err_sync_bit = 0;
+		is_wrong_pack = false;
+		msg_type_receive = 0;
+		std::memset(data_buffer, 0, sizeof data_buffer);
+		packet_start_sample_ = preamble_bubble_start_sample_;
+		packet_start_valid_ = preamble_bubble_start_valid_;
+		packet_data_start_sample_ = 0;
+		packet_data_start_valid_ = false;
+		byte_start_sample_ = 0;
+		preamble_state_ = PreambleState::Locked;
+		is_preamb = false;
+		is_recive = true;
+		is_recive_raw = true;
+		rise_period_us = preamble_mean_period_us_;
+		prev_rise_us = t_us + static_cast<double>(preamble_mean_period_us_) / 2.0;
+		prev_rise_sample = sample + static_cast<uint64_t>(std::llround(
+			static_cast<double>(preamble_mean_period_us_) * 0.5 * static_cast<double>(fs) / 1e6));
+		trim_first_data_bit_cell_ = true;
+
+		// The analyzer chooses whether this is visible (Detailed) or folded into
+		// the full packet frame (Overview).
+		if (on_bit && preamble_bubble_start_valid_)
+		{
+			IrFoxEmitBit pe{};
+			pe.start_sample = static_cast<int64_t>(preamble_bubble_start_sample_);
+			pe.end_sample = static_cast<int64_t>(sample > 0 ? sample - 1 : sample);
+			pe.frame_type = IRF_FT_PREAMBLE;
+			fill_err_snapshot(pe);
+			on_bit(pe);
+		}
+		preamble_bubble_start_valid_ = false;
+		last_edge_time_us = t_us;
+		last_edge_sample = sample;
+		last_processed_edge_us = t_us;
+		have_last_processed = true;
+		return;
+	}
+
+	// As in processDecodedFront, the edge becomes the timing reference only
+	// after the preamble state machine has allowed it through.
+	if (last_edge_time_us > 0.0 && (t_us - last_edge_time_us) > irmax * 2.0 && is_recive)
+		check_timeout(t_us);
+	last_edge_time_us = t_us;
+	last_edge_sample = sample;
+
 	if (rising)
 	{
 		const double delta_rp = t_us - prev_rise_us;
@@ -357,78 +565,6 @@ void IrFoxDecoder::processEdge(uint64_t sample, bool rising, uint32_t fs, const
 		}
 	}
 
-	// Как IR_DecoderRaw::tick: после длинной паузы старт сырого приёма (без отдельного firstRX — флаги ниже).
-	if (t_us > prev_rise_us && (t_us - prev_rise_us) > irmax * 2.0 && !is_recive_raw)
-	{
-		preamb_front_counter = static_cast<int8_t>(irfox::kPreambFronts - 1);
-		is_preamb = true;
-		is_recive = true;
-		is_recive_raw = true;
-		is_wrong_pack = false;
-		if (!preamble_bubble_start_valid_)
-		{
-			preamble_bubble_start_sample_ = new_bubble_preamble_start(sample, rising);
-			preamble_bubble_start_valid_ = true;
-		}
-	}
-
-	if (preamb_front_counter)
-	{
-		if (rising && rise_period_us < irmax)
-		{
-			if (rise_period_us < rise_min_us / 2U)
-			{
-				preamb_front_counter += 2;
-				err_other++;
-			}
-		}
-		preamb_front_counter--;
-	}
-	else
-	{
-		if (is_preamb)
-		{
-			is_preamb = false;
-			// IR_DecoderRaw: prevRise += risePeriod / 2 — фаза как в прошивке.
-			// Бабл PRE: до текущего фронта (sample−1), чтобы охватить все kPreambPulse периодов (3 импульса),
-			// а не только до предыдущего подъёма (~2 периода).
-			const uint64_t preamble_bubble_end_sample = sample > 0 ? sample - 1 : sample;
-			prev_rise_us += rise_period_us / 2.0;
-			{
-				const double half_us = 0.5 * static_cast<double>(rise_period_us);
-				const uint64_t half_s = static_cast<uint64_t>(std::llround(half_us * double(fs) / 1e6));
-				prev_rise_sample += half_s;
-			}
-			trim_first_data_bit_cell_ = true;
-			if (on_bit && preamble_bubble_start_valid_)
-			{
-				int64_t pe_start = static_cast<int64_t>(preamble_bubble_start_sample_);
-				int64_t pe_end = static_cast<int64_t>(preamble_bubble_end_sample);
-				if (preamble_bubble_end_sample == 0 || pe_end < pe_start)
-					pe_end = static_cast<int64_t>(sample > 0 ? sample - 1 : sample);
-				IrFoxEmitBit pe{};
-				pe.start_sample = pe_start;
-				pe.end_sample = pe_end;
-				pe.frame_type = IRF_FT_PREAMBLE;
-				fill_err_snapshot(pe);
-				std::strncpy(pe.bubble_text, "PRE", sizeof pe.bubble_text);
-				pe.bubble_text[sizeof pe.bubble_text - 1] = '\0';
-				on_bit(pe);
-			}
-			preamble_bubble_start_valid_ = false;
-			last_processed_edge_us = t_us;
-			have_last_processed = true;
-			return;
-		}
-	}
-
-	if (is_preamb)
-	{
-		last_processed_edge_us = t_us;
-		have_last_processed = true;
-		return;
-	}
-
 	if (rise_period_us > irmax || is_buffer_overflow || rise_period_us < rise_min_us || is_wrong_pack)
 	{
 		last_processed_edge_us = t_us;
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxDecoder.h b/Analyzer/raw/IR_Fox/src/IrFoxDecoder.h
index c36d6c1..5e2d25a 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxDecoder.h
+++ b/Analyzer/raw/IR_Fox/src/IrFoxDecoder.h
@@ -8,11 +8,16 @@ enum IrFoxFrameType : uint8_t
 {
 	IRF_FT_DATA_BIT = 1,
 	IRF_FT_SYNC_BIT = 2,
-	IRF_FT_PACKET_OK = 3,
+	IRF_FT_PACKET_ACCEPTED = 3,
 	IRF_FT_PACKET_CRC_FAIL = 4,
 	IRF_FT_OVERFLOW = 5,
 	IRF_FT_ABORT = 6,
 	IRF_FT_PREAMBLE = 7,
+	IRF_FT_PACKET_BAD_LENGTH = 8,
+	IRF_FT_PACKET_RAW_ONLY = 9,
+	IRF_FT_PACKET_IGNORED_ADDRESS = 10,
+	IRF_FT_DATA_BYTE = 11,
+	IRF_FT_PACKET_OK = IRF_FT_PACKET_ACCEPTED,
 };
 
 /** WithBubble — вызвать on_bit; Quiet — только обновить состояние (для пакета битов с одного фронта). */
@@ -41,6 +46,8 @@ struct IrFoxEmitBit
 struct IrFoxEmitPacket
 {
 	int64_t start_sample;
+	/** First data-bit cell: the visible boundary between the preamble and payload. */
+	int64_t data_start_sample;
 	int64_t end_sample;
 	bool crc_ok;
 	uint8_t pack_size;
@@ -101,6 +108,11 @@ private:
 	uint64_t preamble_bubble_start_sample_ = 0;
 	bool preamble_bubble_start_valid_ = false;
 	bool trim_first_data_bit_cell_ = false;
+	uint64_t packet_start_sample_ = 0;
+	bool packet_start_valid_ = false;
+	uint64_t packet_data_start_sample_ = 0;
+	bool packet_data_start_valid_ = false;
+	uint64_t byte_start_sample_ = 0;
 
 	double last_edge_time_us = 0;
 	uint64_t last_edge_sample = 0;
@@ -123,7 +135,18 @@ private:
 	int8_t all_count = 0;
 
 	uint16_t wrong_counter = 0;
-	int8_t preamb_front_counter = 0;
+	enum class PreambleState : uint8_t
+	{
+		Idle,
+		Candidate,
+		Locked,
+	};
+	PreambleState preamble_state_ = PreambleState::Idle;
+	uint8_t preamble_good_periods_ = 0;
+	uint32_t preamble_mean_period_us_ = 0;
+	double preamble_candidate_last_edge_us_ = 0;
+	double preamble_candidate_first_rise_us_ = 0;
+	bool preamble_candidate_first_rise_valid_ = false;
 	int16_t buf_bit_pos = 0;
 	bool is_data = true;
 	uint16_t i_data_buffer = 0;
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxPacketClassifier.h b/Analyzer/raw/IR_Fox/src/IrFoxPacketClassifier.h
new file mode 100644
index 0000000..79309f0
--- /dev/null
+++ b/Analyzer/raw/IR_Fox/src/IrFoxPacketClassifier.h
@@ -0,0 +1,172 @@
+#pragma once
+
+#include "IrFoxProtocolConstants.h"
+#include <cstdint>
+
+/**
+ * The decision made after IR_DecoderRaw::availableRaw() in IR_Decoder::_tick().
+ * It intentionally models only what a capture can prove: decoding, CRC, typed
+ * layout, and the receiver address.  It does not claim that application code
+ * subsequently acted on the delivered message.
+ */
+enum class IrFoxPacketOutcome : uint8_t
+{
+	Accepted,
+	RawOnlyUnknownType,
+	RawOnlyTypedLength,
+	IgnoredAddress,
+	RejectedCrc,
+	RejectedLength,
+};
+
+struct IrFoxPacketDecision
+{
+	IrFoxPacketOutcome outcome = IrFoxPacketOutcome::RejectedLength;
+	uint8_t message_type = 0;
+	uint8_t minimum_size = 0;
+	uint16_t destination = 0;
+	bool has_destination = false;
+
+	bool raw_accepted() const
+	{
+		return outcome == IrFoxPacketOutcome::Accepted || outcome == IrFoxPacketOutcome::RawOnlyUnknownType ||
+			   outcome == IrFoxPacketOutcome::RawOnlyTypedLength || outcome == IrFoxPacketOutcome::IgnoredAddress;
+	}
+};
+
+namespace irfox {
+
+constexpr uint8_t kMsgBack = 0U;
+constexpr uint8_t kMsgAccept = 1U;
+constexpr uint8_t kMsgRequest = 2U;
+constexpr uint8_t kMsgBackTo = 4U;
+constexpr uint8_t kMsgDataNoAccept = 6U;
+constexpr uint8_t kMsgDataAccept = 7U;
+constexpr uint16_t kBroadcastAddress = 65000U;
+
+inline uint8_t messageType(uint8_t header)
+{
+	return static_cast<uint8_t>((header >> 5U) & 0x07U);
+}
+
+inline uint8_t minimumPacketSize(uint8_t message_type)
+{
+	switch (message_type)
+	{
+	case kMsgDataAccept:
+	case kMsgDataNoAccept:
+	case kMsgBackTo:
+	case kMsgRequest:
+		return static_cast<uint8_t>(kMsgBytes + kAddrBytes + kAddrBytes + kCrcBytes);
+	case kMsgBack:
+		return static_cast<uint8_t>(kMsgBytes + kAddrBytes + kCrcBytes);
+	case kMsgAccept:
+		return static_cast<uint8_t>(kMsgBytes + kAddrBytes + 1U + kCrcBytes);
+	default:
+		return 0;
+	}
+}
+
+inline bool addressAcceptedByReceiver(uint16_t destination, uint16_t receiver_address)
+{
+	return receiver_address == 0U || destination == receiver_address || destination >= kBroadcastAddress;
+}
+
+inline IrFoxPacketDecision classifyPacket(const uint8_t* data, uint8_t observed_size, bool crc_ok,
+										  uint16_t receiver_address)
+{
+	IrFoxPacketDecision result;
+	if (data == nullptr)
+	{
+		result.outcome = IrFoxPacketOutcome::RejectedLength;
+		return result;
+	}
+
+	result.message_type = messageType(data[0]);
+	if (observed_size < kMsgBytes + kCrcBytes)
+	{
+		result.outcome = IrFoxPacketOutcome::RejectedLength;
+		return result;
+	}
+	if ((data[0] & 0x1FU) != observed_size)
+	{
+		result.outcome = IrFoxPacketOutcome::RejectedLength;
+		return result;
+	}
+	if (!crc_ok)
+	{
+		result.outcome = IrFoxPacketOutcome::RejectedCrc;
+		return result;
+	}
+
+	result.minimum_size = minimumPacketSize(result.message_type);
+	if (result.minimum_size == 0U)
+	{
+		result.outcome = IrFoxPacketOutcome::RawOnlyUnknownType;
+		return result;
+	}
+	if (observed_size < result.minimum_size)
+	{
+		result.outcome = IrFoxPacketOutcome::RawOnlyTypedLength;
+		return result;
+	}
+
+	const bool addressed = result.message_type == kMsgDataAccept || result.message_type == kMsgDataNoAccept ||
+						   result.message_type == kMsgBackTo || result.message_type == kMsgRequest;
+	if (addressed)
+	{
+		result.has_destination = true;
+		result.destination = static_cast<uint16_t>((static_cast<uint16_t>(data[3]) << 8U) | data[4]);
+		if (!addressAcceptedByReceiver(result.destination, receiver_address))
+		{
+			result.outcome = IrFoxPacketOutcome::IgnoredAddress;
+			return result;
+		}
+	}
+
+	result.outcome = IrFoxPacketOutcome::Accepted;
+	return result;
+}
+
+inline const char* packetOutcomeText(IrFoxPacketOutcome outcome)
+{
+	switch (outcome)
+	{
+	case IrFoxPacketOutcome::Accepted:
+		return "ACCEPT";
+	case IrFoxPacketOutcome::RawOnlyUnknownType:
+		return "RAW TYPE";
+	case IrFoxPacketOutcome::RawOnlyTypedLength:
+		return "RAW SIZE";
+	case IrFoxPacketOutcome::IgnoredAddress:
+		return "IGNORE ADDR";
+	case IrFoxPacketOutcome::RejectedCrc:
+		return "REJECT CRC";
+	case IrFoxPacketOutcome::RejectedLength:
+		return "REJECT LEN";
+	}
+	return "REJECT";
+}
+
+inline const char* messageTypeText(uint8_t message_type)
+{
+	switch (message_type)
+	{
+	case kMsgBack:
+		return "BACK";
+	case kMsgAccept:
+		return "ACCEPT";
+	case kMsgRequest:
+		return "REQUEST";
+	case kMsgBackTo:
+		return "BACK_TO";
+	case kMsgDataNoAccept:
+		return "DATA";
+	case kMsgDataAccept:
+		return "DATA_ACK";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+} // namespace irfox
diff --git a/Analyzer/raw/IR_Fox/src/IrFoxProtocolConstants.h b/Analyzer/raw/IR_Fox/src/IrFoxProtocolConstants.h
index 63ff42b..e13b8da 100644
--- a/Analyzer/raw/IR_Fox/src/IrFoxProtocolConstants.h
+++ b/Analyzer/raw/IR_Fox/src/IrFoxProtocolConstants.h
@@ -11,8 +11,12 @@ constexpr uint32_t kBitTakts = kBitActiveTakts + kBitPauseTakts;
 constexpr uint32_t kBitTimeUs = kBitTakts * kCarrierPeriodUs;
 constexpr uint32_t kToleranceUs = 300U;
 
-/** Мин. длительность плато (мкс) для потокового анти-глитча в анализаторе; согласовано с IR_INPUT_MIN_PULSE_US. */
-constexpr uint32_t kMinFilteredPulseUs = 10U;
+/**
+ * Must match IR_INPUT_MIN_PULSE_US in the firmware configuration.  The current
+ * receiver configuration keeps this filter disabled, so a capture must not
+ * silently lose short edges that the receiver would see.
+ */
+constexpr uint32_t kMinFilteredPulseUs = 0U;
 
 constexpr uint8_t kBitPerByte = 8U;
 constexpr uint8_t kMsgBytes = 1;
@@ -27,6 +31,12 @@ constexpr uint8_t kDataByteSizeMax =
 
 constexpr uint8_t kPreambPulse = 3;
 constexpr uint8_t kPreambFronts = kPreambPulse * 2U;
+constexpr uint8_t kPreambleLockRisePeriods = 2U;
+constexpr uint8_t kPreambleJitterPct = 18U;
+constexpr uint32_t kPreambleJitterUsMin = 80U;
+constexpr uint32_t kPreamblePeriodMinFactorPct = 220U;
+constexpr uint32_t kPreamblePeriodMaxFactorPct = 340U;
+constexpr uint32_t kPreambleCandidateTimeoutMult = 3U;
 
 /** Отброс ложного подъёма после микро-LOW в паузе; зеркало IR_config.h (прошивка). */
 #ifndef IRFOX_SHORT_LOW_GLITCH_REJECT
@@ -53,6 +63,19 @@ inline bool aroundRisePeriod(uint32_t periodUs, uint32_t riseSyncTimeUs)
 	return lo < periodUs && periodUs < hi;
 }
 
+inline uint32_t preambleJitterTolUs(uint32_t baselineUs)
+{
+	const uint32_t pct = (baselineUs * kPreambleJitterPct) / 100U;
+	return pct > kPreambleJitterUsMin ? pct : kPreambleJitterUsMin;
+}
+
+inline bool preambleRisePeriodCoarseOk(uint32_t periodUs)
+{
+	const uint32_t min_period = (kBitTimeUs * kPreamblePeriodMinFactorPct) / 100U;
+	const uint32_t max_period = (kBitTimeUs * kPreamblePeriodMaxFactorPct) / 100U;
+	return periodUs >= min_period && periodUs <= max_period;
+}
+
 inline void irfoxGlitchPhaseNudgeUs(double edge_us, uint32_t rise_sync_us, double& prev_rise_us)
 {
 #if IRFOX_GLITCH_REJECT_PHASE_NUDGE
diff --git a/Analyzer/raw/IR_Fox/tests/IrFoxDecoderTests.cpp b/Analyzer/raw/IR_Fox/tests/IrFoxDecoderTests.cpp
new file mode 100644
index 0000000..2daecf1
--- /dev/null
+++ b/Analyzer/raw/IR_Fox/tests/IrFoxDecoderTests.cpp
@@ -0,0 +1,115 @@
+#include "IrFoxDecoder.h"
+#include <cassert>
+#include <cstdint>
+#include <vector>
+
+namespace {
+
+uint8_t crc8(const uint8_t* data, uint8_t end, uint8_t poly)
+{
+	uint8_t crc = 0xFF;
+	for (uint8_t i = 0; i < end; ++i)
+	{
+		crc ^= data[i];
+		for (uint8_t bit = 0; bit < 8; ++bit)
+			crc = (crc & 0x80U) ? static_cast<uint8_t>((crc << 1U) ^ poly) : static_cast<uint8_t>(crc << 1U);
+	}
+	return crc;
+}
+
+struct DecoderHarness
+{
+	IrFoxDecoder decoder;
+	std::vector<IrFoxEmitPacket> packets;
+	std::vector<IrFoxEmitBit> events;
+	uint64_t phase = 0;
+	static constexpr uint32_t kFs = 1000000U;
+
+	DecoderHarness()
+	{
+		decoder.reset();
+	}
+
+	void edge(uint64_t sample, bool rising)
+	{
+		decoder.processEdge(sample, rising, kFs, [this](const IrFoxEmitBit& event) { events.push_back(event); },
+			[this](const IrFoxEmitPacket& packet) { packets.push_back(packet); });
+	}
+
+	void lockPreamble()
+	{
+		constexpr uint64_t first_rise = 40000;
+		constexpr uint64_t period = irfox::kBitTimeUs * 3U;
+		edge(first_rise, true);
+		edge(first_rise + 700U, false);
+		edge(first_rise + period, true);
+		edge(first_rise + period + 700U, false);
+		edge(first_rise + period * 2U, true);
+		phase = first_rise + period * 2U + period / 2U;
+	}
+
+	void emitCell(bool bit)
+	{
+		// The decoder calls a cell a one when the inactive (HIGH) interval is
+		// longer than the active (LOW) interval. The waveform is TSOP output.
+		const uint64_t high_us = bit ? 262U : 700U;
+		edge(phase + high_us, false);
+		phase += irfox::kBitTimeUs;
+		edge(phase, true);
+	}
+
+	void emitByte(uint8_t value, bool emit_sync)
+	{
+		for (uint8_t i = 0; i < 8; ++i)
+			emitCell((value & static_cast<uint8_t>(0x80U >> i)) != 0U);
+		if (emit_sync)
+		{
+			const bool sync = (value & 1U) == 0U;
+			for (uint8_t i = 0; i < irfox::kSyncBits; ++i)
+				emitCell(sync);
+		}
+	}
+};
+
+} // namespace
+
+int main()
+{
+	uint8_t packet[] = {0xE7, 0x00, 0x01, 0x00, 0x2A, 0x00, 0x00};
+	packet[5] = crc8(packet, 5, irfox::kPoly1);
+	packet[6] = crc8(packet, 6, irfox::kPoly2);
+
+	DecoderHarness valid;
+	valid.lockPreamble();
+	for (uint8_t i = 0; i < sizeof packet; ++i)
+		valid.emitByte(packet[i], i + 1U != sizeof packet);
+	assert(valid.packets.size() == 1U);
+	assert(valid.packets[0].crc_ok);
+	assert(valid.packets[0].pack_size == sizeof packet);
+	assert(valid.packets[0].start_sample == 40000);
+	assert(valid.packets[0].start_sample < valid.packets[0].end_sample);
+	bool saw_preamble = false;
+	std::vector<uint8_t> decoded_bytes;
+	for (const IrFoxEmitBit& event : valid.events)
+	{
+		if (event.frame_type == IRF_FT_PREAMBLE)
+		{
+			saw_preamble = true;
+			assert(event.start_sample == 40000);
+		}
+		if (event.frame_type == IRF_FT_DATA_BYTE)
+			decoded_bytes.push_back(static_cast<uint8_t>(event.bit_value));
+	}
+	assert(saw_preamble);
+	assert(decoded_bytes.size() == sizeof packet);
+	for (uint8_t i = 0; i < sizeof packet; ++i)
+		assert(decoded_bytes[i] == packet[i]);
+
+	DecoderHarness too_short;
+	too_short.lockPreamble();
+	too_short.emitByte(0xE1, false);
+	assert(too_short.packets.size() == 1U);
+	assert(!too_short.packets[0].crc_ok);
+	assert(too_short.packets[0].pack_size == 1U);
+	return 0;
+}
diff --git a/Analyzer/raw/IR_Fox/tests/IrFoxPacketClassifierTests.cpp b/Analyzer/raw/IR_Fox/tests/IrFoxPacketClassifierTests.cpp
new file mode 100644
index 0000000..0feb38d
--- /dev/null
+++ b/Analyzer/raw/IR_Fox/tests/IrFoxPacketClassifierTests.cpp
@@ -0,0 +1,43 @@
+#include "IrFoxPacketClassifier.h"
+#include <cassert>
+#include <cstdint>
+
+static IrFoxPacketDecision classify(const uint8_t* data, uint8_t size, bool crc_ok, uint16_t id = 0)
+{
+	return irfox::classifyPacket(data, size, crc_ok, id);
+}
+
+int main()
+{
+	const uint8_t data_to_42[] = {0xE7, 0x00, 0x01, 0x00, 0x2A, 0x00, 0x00};
+	assert(classify(data_to_42, 7, true, 42).outcome == IrFoxPacketOutcome::Accepted);
+	assert(classify(data_to_42, 7, true, 41).outcome == IrFoxPacketOutcome::IgnoredAddress);
+
+	const uint8_t broadcast_data[] = {0xC7, 0x00, 0x01, 0xFD, 0xE8, 0x00, 0x00};
+	assert(classify(broadcast_data, 7, true, 41).outcome == IrFoxPacketOutcome::Accepted);
+	const uint8_t request_to_42[] = {0x47, 0x00, 0x01, 0x00, 0x2A, 0x00, 0x00};
+	assert(classify(request_to_42, 7, true, 42).outcome == IrFoxPacketOutcome::Accepted);
+	assert(classify(request_to_42, 7, true, 41).outcome == IrFoxPacketOutcome::IgnoredAddress);
+	const uint8_t back_to_42[] = {0x87, 0x00, 0x01, 0x00, 0x2A, 0x00, 0x00};
+	assert(classify(back_to_42, 7, true, 42).outcome == IrFoxPacketOutcome::Accepted);
+	assert(classify(back_to_42, 7, true, 41).outcome == IrFoxPacketOutcome::IgnoredAddress);
+
+	const uint8_t back[] = {0x05, 0x00, 0x01, 0x00, 0x00};
+	assert(classify(back, 5, true, 41).outcome == IrFoxPacketOutcome::Accepted);
+
+	const uint8_t accept[] = {0x26, 0x00, 0x01, 0x55, 0x00, 0x00};
+	assert(classify(accept, 6, true, 41).outcome == IrFoxPacketOutcome::Accepted);
+
+	const uint8_t unknown[] = {0x63, 0x00, 0x00};
+	assert(classify(unknown, 3, true).outcome == IrFoxPacketOutcome::RawOnlyUnknownType);
+
+	const uint8_t short_data[] = {0xE5, 0x00, 0x01, 0x00, 0x2A};
+	assert(classify(short_data, 5, true).outcome == IrFoxPacketOutcome::RawOnlyTypedLength);
+	assert(classify(data_to_42, 7, false).outcome == IrFoxPacketOutcome::RejectedCrc);
+
+	const uint8_t too_short[] = {0xE2, 0x00};
+	const IrFoxPacketDecision short_decision = classify(too_short, 2, false);
+	assert(short_decision.outcome == IrFoxPacketOutcome::RejectedLength);
+	assert(short_decision.message_type == irfox::kMsgDataAccept);
+	return 0;
+}