chore: add copyright headers, CI tests, and sanitize gitignore

internal/domain/vectorstore/embedder.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 // Package vectorstore implements persistent storage for intent vectors (DIP H2.1).
 //
 // Intent vectors are the output of the Intent Distiller (H0.2). Storing them

internal/domain/vectorstore/fts5_embedder.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 package vectorstore
 
 import (

internal/domain/vectorstore/fts5_embedder_test.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 package vectorstore_test
 
 import (
@@ -5,9 +9,9 @@ import (
 	"math"
 	"testing"
 
-	"github.com/syntrex-lab/gomcp/internal/domain/vectorstore"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"github.com/syntrex-lab/gomcp/internal/domain/vectorstore"
 )
 
 func TestFTS5Embedder_Interface(t *testing.T) {

internal/domain/vectorstore/polarquant.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 // Package vectorstore — PolarQuant multi-bit vector compression.
 //
 // Based on Google's TurboQuant research (ICLR 2026, §3.2).
@@ -187,7 +191,7 @@ func (c *PolarQuantCodec) CompressedBytes() int {
 
 // CompressionRatio returns the ratio of original to compressed size.
 func (c *PolarQuantCodec) CompressionRatio() float64 {
-	origBytes := c.dim * 8 // float64
+	origBytes := c.dim * 8               // float64
 	compBytes := c.CompressedBytes() + 4 // + float32 radius
 	return float64(origBytes) / float64(compBytes)
 }

internal/domain/vectorstore/polarquant_test.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 package vectorstore
 
 import (

internal/domain/vectorstore/qjl.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 // Package vectorstore — QJL (Quantized Johnson-Lindenstrauss) 1-bit quantization.
 //
 // Based on Google's TurboQuant research (ICLR 2026, AAAI 2025).

internal/domain/vectorstore/qjl_test.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 package vectorstore
 
 import (
@@ -81,8 +85,8 @@ func TestQJL_PreservesOrdering(t *testing.T) {
 	proj := NewQJLProjection(512, 128, 42)
 
 	query := randomVector(128, 1)
-	close := perturbVector(query, 0.1, 2)  // ~10% perturbation = close
-	far := perturbVector(query, 0.9, 3)     // ~90% perturbation = far
+	close := perturbVector(query, 0.1, 2) // ~10% perturbation = close
+	far := perturbVector(query, 0.9, 3)   // ~90% perturbation = far
 
 	cosClose := CosineSimilarity(query, close)
 	cosFar := CosineSimilarity(query, far)
@@ -114,8 +118,8 @@ func TestQJL_MemoryReduction(t *testing.T) {
 	vec := randomVector(128, 1)
 	sig := proj.Quantize(vec)
 
-	float64Bytes := 128 * 8           // 1024 bytes
-	qjlBytes := len(sig) * 8          // 4 * 8 = 32 bytes
+	float64Bytes := 128 * 8  // 1024 bytes
+	qjlBytes := len(sig) * 8 // 4 * 8 = 32 bytes
 	reduction := float64(float64Bytes) / float64(qjlBytes)
 
 	assert.Equal(t, 4, len(sig), "256 bits → 4 uint64 words")
@@ -286,7 +290,7 @@ func TestStore_PQ_DropFloat64(t *testing.T) {
 
 	// Original float64 vector should be nil'd out.
 	assert.Nil(t, s.Get("r1").Vector, "Vector should be dropped to save memory")
-	
+
 	stats := s.GetStats()
 	assert.True(t, stats.PQDropFloat64, "Stats should reflect drop float64 true")
 

internal/domain/vectorstore/store.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 // Package vectorstore implements persistent storage for intent vectors (DIP H2.1).
 //
 // Intent vectors are the output of the Intent Distiller (H0.2). Storing them
@@ -75,7 +79,7 @@ func DefaultConfig() Config {
 		QJLProjections: 256,
 		QJLSeed:        42,
 		QJLVectorDim:   128,
-		PQBitsPerDim:   0,  // Disabled by default.
+		PQBitsPerDim:   0, // Disabled by default.
 		PQSeed:         7,
 	}
 }
@@ -84,14 +88,14 @@ func DefaultConfig() Config {
 type Store struct {
 	mu         sync.RWMutex
 	records    []*IntentRecord
-	signatures []QJLSignature      // Parallel QJL signatures (same index as records)
-	compressed []CompressedVector  // Parallel PolarQuant codes (same index as records)
-	index      map[string]int      // id → position in records
+	signatures []QJLSignature     // Parallel QJL signatures (same index as records)
+	compressed []CompressedVector // Parallel PolarQuant codes (same index as records)
+	index      map[string]int     // id → position in records
 	capacity   int
 	nextID     int
-	qjl        *QJLProjection      // nil if QJL disabled
-	pq         *PolarQuantCodec    // nil if PolarQuant disabled
-	dropFloat  bool                // If true, clear rec.Vector after encoding
+	qjl        *QJLProjection   // nil if QJL disabled
+	pq         *PolarQuantCodec // nil if PolarQuant disabled
+	dropFloat  bool             // If true, clear rec.Vector after encoding
 }
 
 // New creates a new vector store.

internal/domain/vectorstore/store_test.go

@@ -1,3 +1,7 @@
+// Copyright 2026 Syntrex Lab. All rights reserved.
+// Use of this source code is governed by an Apache-2.0 license
+// that can be found in the LICENSE file.
+
 package vectorstore
 
 import (