Merge origin/main into mnemonic-ralphised

Resolved conflicts in:
- internal/config/config.go: Combined new bool fields with maintenance settings
- internal/db/gorm/models.go: Merged field reordering with archival fields
- internal/mcp/server.go: Merged field reordering with maintenanceService
- internal/search/manager.go: Updated Metadata field to use 'any' type
- internal/worker/handlers.go: Kept HEAD version
- internal/worker/sdk/processor.go: Combined circuit breaker/dedup with claude path
- internal/worker/service.go: Kept HEAD version
- ui/src/components/Sidebar.vue: Combined new components with useGraphMetrics
- ui/src/utils/api.ts: Combined new APIs with graph/vector metrics

internal/worker/sdk/parser_test.go

@@ -77,10 +77,10 @@ func TestParseObservations_TableDriven(t *testing.T) {
 	tests := []struct {
 		name          string
 		input         string
-		expectedCount int
 		expectedType  models.ObservationType
 		expectedTitle string
 		checkConcepts []string
+		expectedCount int
 	}{
 		{
 			name: "valid_bugfix_observation",
@@ -300,9 +300,9 @@ func TestParseSummary_TableDriven(t *testing.T) {
 	tests := []struct {
 		name            string
 		input           string
+		expectedRequest string
 		sessionID       int64
 		expectNil       bool
-		expectedRequest string
 	}{
 		{
 			name:      "empty_input",

internal/worker/sdk/processor.go

@@ -208,24 +208,21 @@ type SyncSummaryFunc func(summary *models.SessionSummary)
 const MaxVectorSyncWorkers = 8
 
 // Processor handles SDK agent processing of observations and summaries using Claude Code CLI.
+// Field order optimized for memory alignment (fieldalignment).
 type Processor struct {
-	claudePath          string
-	model               string
 	observationStore    *gorm.ObservationStore
 	summaryStore        *gorm.SummaryStore
 	broadcastFunc       BroadcastFunc
 	syncObservationFunc SyncObservationFunc
 	syncSummaryFunc     SyncSummaryFunc
-	// Semaphore to limit concurrent Claude CLI calls (prevents API overload)
-	sem chan struct{}
-	// Circuit breaker for CLI failures
-	circuitBreaker *CircuitBreaker
-	// Request deduplicator to prevent duplicate processing
-	deduplicator *RequestDeduplicator
-	// Bounded worker pool for vector sync operations
-	vectorSyncChan chan *models.Observation
-	vectorSyncWg   sync.WaitGroup
-	vectorSyncDone chan struct{}
+	circuitBreaker      *CircuitBreaker
+	deduplicator        *RequestDeduplicator
+	vectorSyncChan      chan *models.Observation
+	vectorSyncDone      chan struct{}
+	sem                 chan struct{}
+	claudePath          string
+	model               string
+	vectorSyncWg        sync.WaitGroup
 }
 
 // SetBroadcastFunc sets the broadcast callback for SSE events.

internal/worker/sdk/processor_test.go

@@ -11,8 +11,8 @@ import (
 
 func TestIsSelfReferentialSummary(t *testing.T) {
 	tests := []struct {
-		name     string
 		summary  *models.ParsedSummary
+		name     string
 		expected bool
 	}{
 		{
@@ -281,8 +281,8 @@ func TestTruncateForLog(t *testing.T) {
 	tests := []struct {
 		name     string
 		input    string
-		maxLen   int
 		expected string
+		maxLen   int
 	}{
 		{
 			name:     "shorter_than_max",
@@ -719,8 +719,8 @@ func TestShouldSkipTrivialOperation_EdgeCases(t *testing.T) {
 // TestIsSelfReferentialSummary_MoreCases tests additional self-referential detection cases.
 func TestIsSelfReferentialSummary_MoreCases(t *testing.T) {
 	tests := []struct {
-		name     string
 		summary  *models.ParsedSummary
+		name     string
 		expected bool
 	}{
 		{

internal/worker/sdk/prompts.go

@@ -24,12 +24,12 @@ var ObservationConcepts = []string{
 
 // ToolExecution represents a tool execution for observation.
 type ToolExecution struct {
-	ID             int64
 	ToolName       string
 	ToolInput      string
 	ToolOutput     string
-	CreatedAtEpoch int64
 	CWD            string
+	ID             int64
+	CreatedAtEpoch int64
 }
 
 // BuildObservationPrompt builds a prompt for processing a tool observation.
@@ -67,12 +67,12 @@ func BuildObservationPrompt(exec ToolExecution) string {
 
 // SummaryRequest contains data for building a summary prompt.
 type SummaryRequest struct {
-	SessionDBID          int64
 	SDKSessionID         string
 	Project              string
 	UserPrompt           string
 	LastUserMessage      string
 	LastAssistantMessage string
+	SessionDBID          int64
 }
 
 // BuildSummaryPrompt builds a prompt requesting a session summary.

internal/worker/sdk/prompts_test.go

@@ -12,8 +12,8 @@ func TestTruncate(t *testing.T) {
 	tests := []struct {
 		name     string
 		input    string
-		maxLen   int
 		expected string
+		maxLen   int
 	}{
 		{
 			name:     "shorter_than_max",
@@ -60,8 +60,8 @@ func TestBuildObservationPrompt(t *testing.T) {
 
 	tests := []struct {
 		name     string
-		exec     ToolExecution
 		contains []string
+		exec     ToolExecution
 	}{
 		{
 			name: "basic_read_tool",

internal/worker/session/manager.go

@@ -21,11 +21,11 @@ const (
 
 // ObservationData contains data for a tool observation.
 type ObservationData struct {
-	ToolName     string
 	ToolInput    interface{}
 	ToolResponse interface{}
-	PromptNumber int
+	ToolName     string
 	CWD          string
+	PromptNumber int
 }
 
 // SummarizeData contains data for a summarize request.
@@ -36,30 +36,28 @@ type SummarizeData struct {
 
 // PendingMessage represents a message queued for SDK processing.
 type PendingMessage struct {
-	Type        MessageType
 	Observation *ObservationData
 	Summarize   *SummarizeData
+	Type        MessageType
 }
 
 // ActiveSession represents an in-memory active session being processed.
 type ActiveSession struct {
-	SessionDBID            int64
-	ClaudeSessionID        string
-	SDKSessionID           string
+	StartTime              time.Time
+	ctx                    context.Context
+	cancel                 context.CancelFunc
+	notify                 chan struct{}
 	Project                string
 	UserPrompt             string
+	SDKSessionID           string
+	ClaudeSessionID        string
+	pendingMessages        []PendingMessage
 	LastPromptNumber       int
-	StartTime              time.Time
 	CumulativeInputTokens  int64
 	CumulativeOutputTokens int64
-
-	// Concurrency control
-	pendingMessages []PendingMessage
-	messageMu       sync.Mutex
-	notify          chan struct{}
-	ctx             context.Context
-	cancel          context.CancelFunc
-	generatorActive atomic.Bool
+	SessionDBID            int64
+	messageMu              sync.Mutex
+	generatorActive        atomic.Bool
 }
 
 // SessionTimeout is how long an inactive session can exist before cleanup.
@@ -70,15 +68,14 @@ const CleanupInterval = 5 * time.Minute
 
 // Manager manages active session lifecycles.
 type Manager struct {
-	sessionStore *gorm.SessionStore
-	sessions     map[int64]*ActiveSession
-	mu           sync.RWMutex
-	onCreated    func(int64)
-	onDeleted    func(int64)
-	ctx          context.Context
-	cancel       context.CancelFunc
-	// Global notification channel for immediate processing
+	ctx           context.Context
+	sessionStore  *gorm.SessionStore
+	sessions      map[int64]*ActiveSession
+	onCreated     func(int64)
+	onDeleted     func(int64)
+	cancel        context.CancelFunc
 	ProcessNotify chan struct{}
+	mu            sync.RWMutex
 }
 
 // NewManager creates a new session manager.

internal/worker/session/manager_test.go

@@ -669,16 +669,16 @@ func TestActiveSessionCWD(t *testing.T) {
 // TestToolInputResponse tests various tool input/response types.
 func TestToolInputResponse(t *testing.T) {
 	tests := []struct {
-		name     string
 		input    interface{}
 		response interface{}
+		name     string
 	}{
-		{"nil_values", nil, nil},
-		{"string_values", "input string", "response string"},
-		{"map_values", map[string]string{"key": "value"}, map[string]interface{}{"result": true}},
-		{"slice_values", []string{"a", "b"}, []int{1, 2, 3}},
-		{"int_values", 42, 100},
-		{"bool_values", true, false},
+		{name: "nil_values", input: nil, response: nil},
+		{name: "string_values", input: "input string", response: "response string"},
+		{name: "map_values", input: map[string]string{"key": "value"}, response: map[string]interface{}{"result": true}},
+		{name: "slice_values", input: []string{"a", "b"}, response: []int{1, 2, 3}},
+		{name: "int_values", input: 42, response: 100},
+		{name: "bool_values", input: true, response: false},
 	}
 
 	for _, tt := range tests {

internal/worker/sse/broadcaster.go

@@ -19,10 +19,10 @@ const (
 
 // Client represents a connected SSE client.
 type Client struct {
-	ID      string
 	Writer  http.ResponseWriter
 	Flusher http.Flusher
 	Done    chan struct{}
+	ID      string
 }
 
 // Broadcaster manages SSE client connections and message broadcasting.

internal/worker/sse/broadcaster_test.go

@@ -256,8 +256,8 @@ func TestHandleSSE(t *testing.T) {
 // TestBroadcastJSON tests broadcasting various JSON types.
 func TestBroadcastJSON(t *testing.T) {
 	tests := []struct {
-		name    string
 		data    interface{}
+		name    string
 		wantErr bool
 	}{
 		{