refactor: migrate module path from git.t-juice.club to code.t-juice.club

Update Go module path and all import references to reflect the migration
from Gitea (git.t-juice.club) to Forgejo (code.t-juice.club).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

PLAN.md

@@ -179,7 +179,12 @@ Goal: Add the entertaining shell implementations.
 - DDL/DML acknowledgments (CREATE TABLE, INSERT, UPDATE, DELETE, etc.)
 - Username-to-shell routing: configurable `[shell.username_routes]` maps usernames to shells
 
-### 3.7 Other Shell Ideas (Future)
+### 3.7 Roomba Shell ✅
+- iRobot Roomba j7+ vacuum robot interface
+- Status, cleaning, scheduling, diagnostics, floor map
+- Humorous history entries (cat encounters, sock tangles, sticky substances)
+
+### 3.8 Other Shell Ideas (Future)
 - **Nuclear launch terminal:** "ENTER LAUNCH AUTHORIZATION CODE"
 - **ELIZA therapist:** every response is a therapy question
 - **Pizza ordering terminal:** "Welcome to PizzaNet v2.3"
@@ -191,11 +196,11 @@ Goal: Add the entertaining shell implementations.
 
 Goal: Make the web UI great and add operational niceties.
 
-### 4.1 Enhanced Web UI
+### 4.1 Enhanced Web UI ✅
-- GeoIP lookups and world map visualization of attack sources
+- GeoIP lookups and world map visualization of attack sources ✅
-- Charts: attempts over time, hourly patterns, credential trends
+- Charts: attempts over time, hourly patterns, credential trends ✅
-- Session detail view with full command log
+- Session detail view with full command log ✅
-- Filtering and search
+- Filtering and search ✅
 
 ### 4.2 Operational ✅
 - Prometheus metrics endpoint ✅
@@ -209,15 +214,15 @@ Goal: Make the web UI great and add operational niceties.
 - Store country/city with each attempt ✅
 - Aggregate stats by country ✅
 
-### 4.4 Capture SSH Exec Commands
+### 4.4 Capture SSH Exec Commands ✅
 Many bots send a command directly via `ssh user@host <command>` (an SSH "exec" request) rather than requesting an interactive shell. Currently these are rejected and the command is lost. We should capture them.
 
-- Handle `"exec"` request type in the server's request loop (alongside `"pty-req"` and `"shell"`)
+- Handle `"exec"` request type in the server's request loop (alongside `"pty-req"` and `"shell"`) ✅
-- Parse the command string from the exec payload
+- Parse the command string from the exec payload ✅
-- Add an `exec_command` column (nullable) to the `sessions` table via a new migration
+- Add an `exec_command` column (nullable) to the `sessions` table via a new migration ✅
-- Store the command on the session record before closing the channel
+- Store the command on the session record before closing the channel ✅
 - Optionally return plausible fake output for common commands (e.g. `uname`, `id`, `cat /etc/passwd`) to encourage further interaction
-- Surface exec commands in the web UI (session detail view)
+- Surface exec commands in the web UI (session detail view) ✅
 
 #### 4.4.1 Fake Exec Output
 Return plausible fake output for exec commands to encourage bots to interact further.

README.md

@@ -34,7 +34,7 @@ Key settings:
 - `auth.accept_after` — accept login after N failures per IP (default `10`)
 - `auth.credential_ttl` — how long to remember accepted credentials (default `24h`)
 - `auth.static_credentials` — always-accepted username/password pairs (optional `shell` field routes to a specific shell)
-- Available shells: `bash` (fake Linux shell), `fridge` (Samsung Smart Fridge OS), `banking` (80s-style bank terminal TUI), `adventure` (Zork-style text adventure dungeon), `cisco` (Cisco IOS CLI with mode state machine and command abbreviation), `psql` (PostgreSQL psql interactive terminal)
+- Available shells: `bash` (fake Linux shell), `fridge` (Samsung Smart Fridge OS), `banking` (80s-style bank terminal TUI), `adventure` (Zork-style text adventure dungeon), `cisco` (Cisco IOS CLI with mode state machine and command abbreviation), `psql` (PostgreSQL psql interactive terminal), `roomba` (iRobot Roomba vacuum robot), `tetris` (Tetris game TUI)
 - `shell.username_routes` — map usernames to specific shells (e.g. `postgres = "psql"`); credential-specific shell overrides take priority
 - `storage.db_path` — SQLite database path (default `oubliette.db`)
 - `storage.retention_days` — auto-prune records older than N days (default `90`)

cmd/oubliette/main.go

@@ -13,14 +13,14 @@ import (
 	"syscall"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/config"
+	"code.t-juice.club/torjus/oubliette/internal/config"
-	"git.t-juice.club/torjus/oubliette/internal/metrics"
+	"code.t-juice.club/torjus/oubliette/internal/metrics"
-	"git.t-juice.club/torjus/oubliette/internal/server"
+	"code.t-juice.club/torjus/oubliette/internal/server"
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
-	"git.t-juice.club/torjus/oubliette/internal/web"
+	"code.t-juice.club/torjus/oubliette/internal/web"
 )
 
-const Version = "0.14.0"
+const Version = "0.18.0"
 
 func main() {
 	if err := run(); err != nil {
@@ -76,12 +76,13 @@ func run() error {
 	ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
 	defer cancel()
 
-	go storage.RunRetention(ctx, store, cfg.Storage.RetentionDays, cfg.Storage.RetentionIntervalDuration, logger)
-
 	m := metrics.New(Version)
-	m.RegisterStoreCollector(store)
+	instrumentedStore := storage.NewInstrumentedStore(store, m.StorageQueryDuration, m.StorageQueryErrors)
+	m.RegisterStoreCollector(instrumentedStore)
 
-	srv, err := server.New(*cfg, store, logger, m)
+	go storage.RunRetention(ctx, instrumentedStore, cfg.Storage.RetentionDays, cfg.Storage.RetentionIntervalDuration, logger)
+
+	srv, err := server.New(*cfg, instrumentedStore, logger, m)
 	if err != nil {
 		return fmt.Errorf("create server: %w", err)
 	}
@@ -95,7 +96,7 @@ func run() error {
 			metricsHandler = m.Handler()
 		}
 
-		webHandler, err := web.NewServer(store, logger.With("component", "web"), metricsHandler, cfg.Web.MetricsToken)
+		webHandler, err := web.NewServer(instrumentedStore, logger.With("component", "web"), metricsHandler, cfg.Web.MetricsToken)
 		if err != nil {
 			return fmt.Errorf("create web server: %w", err)
 		}

go.mod

@@ -1,4 +1,4 @@
-module git.t-juice.club/torjus/oubliette
+module code.t-juice.club/torjus/oubliette
 
 go 1.25.5
 
@@ -9,6 +9,7 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/oschwald/maxminddb-golang v1.13.1
 	github.com/prometheus/client_golang v1.23.2
+	github.com/prometheus/client_model v0.6.2
 	golang.org/x/crypto v0.48.0
 	modernc.org/sqlite v1.45.0
 )
@@ -33,7 +34,6 @@ require (
 	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
-	github.com/prometheus/client_model v0.6.2 // indirect
 	github.com/prometheus/common v0.66.1 // indirect
 	github.com/prometheus/procfs v0.16.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect

internal/auth/auth.go

@@ -5,7 +5,7 @@ import (
 	"sync"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/config"
+	"code.t-juice.club/torjus/oubliette/internal/config"
 )
 
 const (

internal/auth/auth_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/config"
+	"code.t-juice.club/torjus/oubliette/internal/config"
 )
 
 func newTestAuth(acceptAfter int, ttl time.Duration, statics ...config.Credential) *Authenticator {

internal/metrics/metrics.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"net/http"
 
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/collectors"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -25,6 +25,8 @@ type Metrics struct {
 	SessionDuration        prometheus.Histogram
 	ExecCommandsTotal      prometheus.Counter
 	BuildInfo              *prometheus.GaugeVec
+	StorageQueryDuration   *prometheus.HistogramVec
+	StorageQueryErrors     *prometheus.CounterVec
 }
 
 // New creates a new Metrics instance with all collectors registered.
@@ -79,6 +81,15 @@ func New(version string) *Metrics {
 			Name: "oubliette_build_info",
 			Help: "Build information. Always 1.",
 		}, []string{"version"}),
+		StorageQueryDuration: prometheus.NewHistogramVec(prometheus.HistogramOpts{
+			Name:    "oubliette_storage_query_duration_seconds",
+			Help:    "Duration of storage query calls in seconds.",
+			Buckets: []float64{0.001, 0.005, 0.01, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10},
+		}, []string{"method"}),
+		StorageQueryErrors: prometheus.NewCounterVec(prometheus.CounterOpts{
+			Name: "oubliette_storage_query_errors_total",
+			Help: "Total storage query errors.",
+		}, []string{"method"}),
 	}
 
 	reg.MustRegister(
@@ -95,6 +106,8 @@ func New(version string) *Metrics {
 		m.SessionDuration,
 		m.ExecCommandsTotal,
 		m.BuildInfo,
+		m.StorageQueryDuration,
+		m.StorageQueryErrors,
 	)
 
 	m.BuildInfo.WithLabelValues(version).Set(1)

internal/metrics/metrics_test.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 	"testing"
 
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 func TestNew(t *testing.T) {

internal/notify/webhook.go

@@ -10,7 +10,7 @@ import (
 	"sync"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/config"
+	"code.t-juice.club/torjus/oubliette/internal/config"
 )
 
 // Event types.

internal/notify/webhook_test.go

@@ -10,7 +10,7 @@ import (
 	"testing"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/config"
+	"code.t-juice.club/torjus/oubliette/internal/config"
 )
 
 func testSession() SessionInfo {

internal/server/server.go

@@ -12,20 +12,22 @@ import (
 	"os"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/auth"
+	"code.t-juice.club/torjus/oubliette/internal/auth"
-	"git.t-juice.club/torjus/oubliette/internal/config"
+	"code.t-juice.club/torjus/oubliette/internal/config"
-	"git.t-juice.club/torjus/oubliette/internal/detection"
+	"code.t-juice.club/torjus/oubliette/internal/detection"
-	"git.t-juice.club/torjus/oubliette/internal/geoip"
+	"code.t-juice.club/torjus/oubliette/internal/geoip"
-	"git.t-juice.club/torjus/oubliette/internal/metrics"
+	"code.t-juice.club/torjus/oubliette/internal/metrics"
-	"git.t-juice.club/torjus/oubliette/internal/notify"
+	"code.t-juice.club/torjus/oubliette/internal/notify"
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
-	"git.t-juice.club/torjus/oubliette/internal/shell/adventure"
+	"code.t-juice.club/torjus/oubliette/internal/shell/adventure"
-	"git.t-juice.club/torjus/oubliette/internal/shell/banking"
+	"code.t-juice.club/torjus/oubliette/internal/shell/banking"
-	"git.t-juice.club/torjus/oubliette/internal/shell/bash"
+	"code.t-juice.club/torjus/oubliette/internal/shell/bash"
-	"git.t-juice.club/torjus/oubliette/internal/shell/cisco"
+	"code.t-juice.club/torjus/oubliette/internal/shell/cisco"
-	"git.t-juice.club/torjus/oubliette/internal/shell/fridge"
+	"code.t-juice.club/torjus/oubliette/internal/shell/fridge"
-	psqlshell "git.t-juice.club/torjus/oubliette/internal/shell/psql"
+	psqlshell "code.t-juice.club/torjus/oubliette/internal/shell/psql"
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/shell/roomba"
+	"code.t-juice.club/torjus/oubliette/internal/shell/tetris"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 	"golang.org/x/crypto/ssh"
 )
 
@@ -62,6 +64,12 @@ func New(cfg config.Config, store storage.Store, logger *slog.Logger, m *metrics
 	if err := registry.Register(psqlshell.NewPsqlShell(), 1); err != nil {
 		return nil, fmt.Errorf("registering psql shell: %w", err)
 	}
+	if err := registry.Register(roomba.NewRoombaShell(), 1); err != nil {
+		return nil, fmt.Errorf("registering roomba shell: %w", err)
+	}
+	if err := registry.Register(tetris.NewTetrisShell(), 1); err != nil {
+		return nil, fmt.Errorf("registering tetris shell: %w", err)
+	}
 
 	geo, err := geoip.New()
 	if err != nil {

internal/server/server_test.go

@@ -11,10 +11,10 @@ import (
 	"testing"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/auth"
+	"code.t-juice.club/torjus/oubliette/internal/auth"
-	"git.t-juice.club/torjus/oubliette/internal/config"
+	"code.t-juice.club/torjus/oubliette/internal/config"
-	"git.t-juice.club/torjus/oubliette/internal/metrics"
+	"code.t-juice.club/torjus/oubliette/internal/metrics"
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 	"golang.org/x/crypto/ssh"
 )
 

internal/shell/adventure/adventure.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
 )
 
 const sessionTimeout = 10 * time.Minute

internal/shell/adventure/adventure_test.go

@@ -8,8 +8,8 @@ import (
 	"testing"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 type rwCloser struct {

internal/shell/banking/banking.go

@@ -9,7 +9,7 @@ import (
 
 	tea "github.com/charmbracelet/bubbletea"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
 )
 
 const sessionTimeout = 10 * time.Minute

internal/shell/banking/banking_test.go

@@ -9,8 +9,8 @@ import (
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 // newTestModel creates a model with a test session context.

internal/shell/banking/model.go

@@ -8,7 +8,7 @@ import (
 
 	tea "github.com/charmbracelet/bubbletea"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
 )
 
 type screen int

internal/shell/bash/bash.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
 )
 
 const sessionTimeout = 5 * time.Minute

internal/shell/bash/bash_test.go

@@ -9,8 +9,8 @@ import (
 	"testing"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 type rwCloser struct {

internal/shell/cisco/cisco.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
 )
 
 const sessionTimeout = 5 * time.Minute

internal/shell/eventrecorder.go

@@ -6,7 +6,7 @@ import (
 	"sync"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 // EventRecorder buffers I/O events in memory and periodically flushes them to

internal/shell/eventrecorder_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 func TestEventRecorderFlush(t *testing.T) {

internal/shell/fridge/fridge.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
 )
 
 const sessionTimeout = 5 * time.Minute

internal/shell/fridge/fridge_test.go

@@ -8,8 +8,8 @@ import (
 	"testing"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 type rwCloser struct {

internal/shell/psql/psql.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/shell"
 )
 
 const sessionTimeout = 5 * time.Minute

internal/shell/roomba/roomba.go

@@ -0,0 +1,463 @@
+package roomba
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"slices"
+	"strings"
+	"time"
+
+	"code.t-juice.club/torjus/oubliette/internal/shell"
+)
+
+const sessionTimeout = 5 * time.Minute
+
+// RoombaShell emulates an iRobot Roomba vacuum robot interface.
+type RoombaShell struct{}
+
+// NewRoombaShell returns a new RoombaShell instance.
+func NewRoombaShell() *RoombaShell {
+	return &RoombaShell{}
+}
+
+func (r *RoombaShell) Name() string        { return "roomba" }
+func (r *RoombaShell) Description() string { return "iRobot Roomba shell emulator" }
+
+func (r *RoombaShell) Handle(ctx context.Context, sess *shell.SessionContext, rw io.ReadWriteCloser) error {
+	ctx, cancel := context.WithTimeout(ctx, sessionTimeout)
+	defer cancel()
+
+	state := newRoombaState()
+
+	banner := strings.ReplaceAll(bootBanner(), "\n", "\r\n")
+	fmt.Fprint(rw, banner)
+
+	for {
+		if _, err := fmt.Fprint(rw, "RoombaOS> "); err != nil {
+			return nil
+		}
+
+		line, err := shell.ReadLine(ctx, rw)
+		if errors.Is(err, io.EOF) {
+			fmt.Fprint(rw, "logout\r\n")
+			return nil
+		}
+		if err != nil {
+			return nil
+		}
+
+		trimmed := strings.TrimSpace(line)
+		if trimmed == "" {
+			continue
+		}
+
+		result := state.dispatch(trimmed)
+
+		var output string
+		if result.output != "" {
+			output = result.output
+			output = strings.ReplaceAll(output, "\r\n", "\n")
+			output = strings.ReplaceAll(output, "\n", "\r\n")
+			fmt.Fprintf(rw, "%s\r\n", output)
+		}
+
+		if sess.Store != nil {
+			if err := sess.Store.AppendSessionLog(ctx, sess.SessionID, trimmed, output); err != nil {
+				return fmt.Errorf("append session log: %w", err)
+			}
+		}
+		if sess.OnCommand != nil {
+			sess.OnCommand("roomba")
+		}
+
+		if result.exit {
+			return nil
+		}
+	}
+}
+
+func bootBanner() string {
+	return `
+  ____                        _            ___  ____
+ |  _ \ ___   ___  _ __ ___ | |__   __ _ / _ \/ ___|
+ | |_) / _ \ / _ \| '_ ` + "`" + ` _ \| '_ \ / _` + "`" + ` | | | \___ \
+ |  _ < (_) | (_) | | | | | | |_) | (_| | |_| |___) |
+ |_| \_\___/ \___/|_| |_| |_|_.__/ \__,_|\___/|____/
+
+iRobot Roomba j7+  |  RoombaOS v4.3.7
+Serial: RMB-7291-J7P-0482  |  Firmware: 4.3.7-stable
+Battery: 73%  |  WiFi: Connected (SmartHome-5G)
+
+Type 'help' for available commands.
+
+`
+}
+
+type room struct {
+	name        string
+	areaSqFt    int
+	lastCleaned time.Time
+}
+
+type scheduleEntry struct {
+	day  string
+	time string
+}
+
+type historyEntry struct {
+	timestamp time.Time
+	room      string
+	duration  string
+	note      string
+}
+
+type roombaState struct {
+	battery      int
+	dustbin      int
+	status       string
+	rooms        []room
+	schedule     []scheduleEntry
+	cleanHistory []historyEntry
+}
+
+type commandResult struct {
+	output string
+	exit   bool
+}
+
+func newRoombaState() *roombaState {
+	now := time.Now()
+	return &roombaState{
+		battery: 73,
+		dustbin: 61,
+		status:  "Docked",
+		rooms: []room{
+			{"Kitchen", 180, now.Add(-2 * time.Hour)},
+			{"Living Room", 320, now.Add(-5 * time.Hour)},
+			{"Bedroom", 200, now.Add(-26 * time.Hour)},
+			{"Hallway", 60, now.Add(-5 * time.Hour)},
+			{"Bathroom", 75, now.Add(-50 * time.Hour)},
+			{"Cat's Room", 110, now.Add(-3 * time.Hour)},
+		},
+		schedule: []scheduleEntry{
+			{"Monday", "09:00"},
+			{"Wednesday", "09:00"},
+			{"Friday", "09:00"},
+			{"Saturday", "14:00"},
+		},
+		cleanHistory: []historyEntry{
+			{now.Add(-2 * time.Hour), "Kitchen", "23 min", "Completed normally"},
+			{now.Add(-3 * time.Hour), "Cat's Room", "18 min", "Cat detected - rerouting"},
+			{now.Add(-5 * time.Hour), "Living Room", "34 min", "Encountered sock near couch"},
+			{now.Add(-5*time.Hour - 40*time.Minute), "Hallway", "8 min", "Completed normally"},
+			{now.Add(-26 * time.Hour), "Bedroom", "27 min", "Tangled in phone charger"},
+			{now.Add(-50 * time.Hour), "Bathroom", "14 min", "Unidentified sticky substance detected"},
+		},
+	}
+}
+
+func (s *roombaState) dispatch(input string) commandResult {
+	parts := strings.Fields(input)
+	if len(parts) == 0 {
+		return commandResult{}
+	}
+
+	cmd := strings.ToLower(parts[0])
+	args := parts[1:]
+
+	switch cmd {
+	case "help":
+		return s.cmdHelp()
+	case "status":
+		return s.cmdStatus()
+	case "clean":
+		return s.cmdClean(args)
+	case "dock":
+		return s.cmdDock()
+	case "map":
+		return s.cmdMap()
+	case "schedule":
+		return s.cmdSchedule(args)
+	case "history":
+		return s.cmdHistory()
+	case "diagnostics":
+		return s.cmdDiagnostics()
+	case "alerts":
+		return s.cmdAlerts()
+	case "reboot":
+		return s.cmdReboot()
+	case "exit", "logout":
+		return commandResult{output: "Disconnecting from RoombaOS. Happy cleaning!", exit: true}
+	default:
+		return commandResult{output: fmt.Sprintf("RoombaOS: unknown command '%s'. Type 'help' for available commands.", cmd)}
+	}
+}
+
+func (s *roombaState) cmdHelp() commandResult {
+	help := `Available commands:
+  help                    - Show this help message
+  status                  - Show robot status
+  clean                   - Start full cleaning job
+  clean room <name>       - Clean a specific room
+  dock                    - Return to dock
+  map                     - Show floor plan and room list
+  schedule                - List cleaning schedule
+  schedule add <day> <time> - Add scheduled cleaning
+  schedule remove <day>   - Remove scheduled cleaning
+  history                 - Show recent cleaning history
+  diagnostics             - Run system diagnostics
+  alerts                  - Show active alerts
+  reboot                  - Reboot RoombaOS
+  exit / logout           - Disconnect`
+	return commandResult{output: help}
+}
+
+func (s *roombaState) cmdStatus() commandResult {
+	var b strings.Builder
+	b.WriteString("=== RoombaOS System Status ===\n")
+	b.WriteString("Model:            iRobot Roomba j7+\n")
+	b.WriteString(fmt.Sprintf("Status:           %s\n", s.status))
+	b.WriteString(fmt.Sprintf("Battery:          %d%%\n", s.battery))
+	b.WriteString(fmt.Sprintf("Dustbin:          %d%% full\n", s.dustbin))
+	b.WriteString("Side brush:       OK (142 hrs)\n")
+	b.WriteString("Main brush:       OK (98 hrs)\n")
+	b.WriteString("\n")
+	b.WriteString("WiFi:             Connected (SmartHome-5G)\n")
+	b.WriteString("Signal:           -38 dBm\n")
+	b.WriteString("Alexa:            Linked\n")
+	b.WriteString("Google Home:      Linked\n")
+	b.WriteString("iRobot Home App:  Connected\n")
+	b.WriteString("\n")
+	b.WriteString("Firmware:         v4.3.7-stable\n")
+	b.WriteString("LIDAR:            Operational\n")
+	b.WriteString("Clean Area Total: 12,847 sq ft (lifetime)")
+	return commandResult{output: b.String()}
+}
+
+func (s *roombaState) cmdClean(args []string) commandResult {
+	if s.status == "Cleaning" {
+		return commandResult{output: "Already cleaning. Use 'dock' to cancel and return to dock."}
+	}
+
+	if len(args) >= 2 && strings.ToLower(args[0]) == "room" {
+		roomName := strings.Join(args[1:], " ")
+		for _, r := range s.rooms {
+			if strings.EqualFold(r.name, roomName) {
+				s.status = "Cleaning"
+				return commandResult{output: fmt.Sprintf(
+					"Starting targeted clean: %s (%d sq ft)\nEstimated time: %d minutes\nUndocking... navigating to %s...",
+					r.name, r.areaSqFt, r.areaSqFt/8, r.name,
+				)}
+			}
+		}
+		return commandResult{output: fmt.Sprintf("Room '%s' not found. Use 'map' to see available rooms.", roomName)}
+	}
+
+	if len(args) > 0 {
+		return commandResult{output: "Usage: clean [room <name>]"}
+	}
+
+	s.status = "Cleaning"
+	var totalArea int
+	for _, r := range s.rooms {
+		totalArea += r.areaSqFt
+	}
+	return commandResult{output: fmt.Sprintf(
+		"Starting full house clean\nTotal area: %d sq ft across %d rooms\nEstimated time: %d minutes\nUndocking... beginning clean cycle...",
+		totalArea, len(s.rooms), totalArea/8,
+	)}
+}
+
+func (s *roombaState) cmdDock() commandResult {
+	if s.status == "Docked" {
+		return commandResult{output: "Already docked."}
+	}
+	if s.status == "Returning to dock" {
+		return commandResult{output: "Already returning to dock."}
+	}
+	s.status = "Returning to dock"
+	return commandResult{output: "Cancelling current job. Returning to dock...\nEstimated arrival: 2 minutes"}
+}
+
+func (s *roombaState) cmdMap() commandResult {
+	var b strings.Builder
+	b.WriteString("=== Floor Plan ===\n\n")
+	b.WriteString("    +------------+----------+\n")
+	b.WriteString("    |            |          |\n")
+	b.WriteString("    |  Kitchen   | Bathroom |\n")
+	b.WriteString("    |  180sqft   |  75sqft  |\n")
+	b.WriteString("    |            |          |\n")
+	b.WriteString("    +------+-----+----+-----+\n")
+	b.WriteString("    |      |          |     |\n")
+	b.WriteString("    | Hall | Living   | Cat |\n")
+	b.WriteString("    | 60sf | Room     | Rm  |\n")
+	b.WriteString("    |      | 320sqft  |110sf|\n")
+	b.WriteString("    +------+          +-----+\n")
+	b.WriteString("    |      |          |\n")
+	b.WriteString("    | Bed  +----------+\n")
+	b.WriteString("    | room | [DOCK]\n")
+	b.WriteString("    |200sf |\n")
+	b.WriteString("    +------+\n")
+	b.WriteString("\nRoom Details:\n")
+	b.WriteString(fmt.Sprintf("  %-15s %-10s %s\n", "ROOM", "AREA", "LAST CLEANED"))
+	b.WriteString(fmt.Sprintf("  %-15s %-10s %s\n", "----", "----", "------------"))
+	for _, r := range s.rooms {
+		ago := time.Since(r.lastCleaned).Truncate(time.Minute)
+		b.WriteString(fmt.Sprintf("  %-15s %-10s %s ago\n", r.name, fmt.Sprintf("%d sqft", r.areaSqFt), formatDuration(ago)))
+	}
+	return commandResult{output: b.String()}
+}
+
+func (s *roombaState) cmdSchedule(args []string) commandResult {
+	if len(args) == 0 {
+		return s.scheduleList()
+	}
+
+	sub := strings.ToLower(args[0])
+	switch sub {
+	case "add":
+		if len(args) < 3 {
+			return commandResult{output: "Usage: schedule add <day> <time>\nExample: schedule add Tuesday 10:00"}
+		}
+		return s.scheduleAdd(args[1], args[2])
+	case "remove":
+		if len(args) < 2 {
+			return commandResult{output: "Usage: schedule remove <day>"}
+		}
+		return s.scheduleRemove(args[1])
+	default:
+		return commandResult{output: fmt.Sprintf("Unknown schedule subcommand '%s'. Try: add, remove", sub)}
+	}
+}
+
+func (s *roombaState) scheduleList() commandResult {
+	if len(s.schedule) == 0 {
+		return commandResult{output: "No cleaning schedule configured."}
+	}
+	var b strings.Builder
+	b.WriteString("=== Cleaning Schedule ===\n")
+	b.WriteString(fmt.Sprintf("  %-12s %s\n", "DAY", "TIME"))
+	b.WriteString(fmt.Sprintf("  %-12s %s\n", "---", "----"))
+	for _, e := range s.schedule {
+		b.WriteString(fmt.Sprintf("  %-12s %s\n", e.day, e.time))
+	}
+	b.WriteString(fmt.Sprintf("\n%d scheduled cleaning(s)", len(s.schedule)))
+	return commandResult{output: b.String()}
+}
+
+func (s *roombaState) scheduleAdd(day, t string) commandResult {
+	day = capitalizeFirst(strings.ToLower(day))
+	validDays := []string{"Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"}
+	if !slices.Contains(validDays, day) {
+		return commandResult{output: fmt.Sprintf("Invalid day '%s'. Use a day of the week (e.g. Monday, Tuesday).", day)}
+	}
+
+	for _, e := range s.schedule {
+		if strings.EqualFold(e.day, day) {
+			return commandResult{output: fmt.Sprintf("Schedule for %s already exists. Remove it first.", day)}
+		}
+	}
+
+	s.schedule = append(s.schedule, scheduleEntry{day: day, time: t})
+	return commandResult{output: fmt.Sprintf("Scheduled cleaning added: %s at %s", day, t)}
+}
+
+func (s *roombaState) scheduleRemove(day string) commandResult {
+	day = capitalizeFirst(strings.ToLower(day))
+	for i, e := range s.schedule {
+		if strings.EqualFold(e.day, day) {
+			s.schedule = append(s.schedule[:i], s.schedule[i+1:]...)
+			return commandResult{output: fmt.Sprintf("Removed schedule for %s.", day)}
+		}
+	}
+	return commandResult{output: fmt.Sprintf("No schedule found for '%s'.", day)}
+}
+
+func (s *roombaState) cmdHistory() commandResult {
+	if len(s.cleanHistory) == 0 {
+		return commandResult{output: "No cleaning history."}
+	}
+	var b strings.Builder
+	b.WriteString("=== Cleaning History ===\n")
+	b.WriteString(fmt.Sprintf("  %-20s %-15s %-10s %s\n", "TIME", "ROOM", "DURATION", "NOTE"))
+	b.WriteString(fmt.Sprintf("  %-20s %-15s %-10s %s\n", "----", "----", "--------", "----"))
+	for _, h := range s.cleanHistory {
+		ts := h.timestamp.Format("2006-01-02 15:04")
+		b.WriteString(fmt.Sprintf("  %-20s %-15s %-10s %s\n", ts, h.room, h.duration, h.note))
+	}
+	b.WriteString(fmt.Sprintf("\n%d session(s) recorded", len(s.cleanHistory)))
+	return commandResult{output: b.String()}
+}
+
+func (s *roombaState) cmdDiagnostics() commandResult {
+	diag := `Running RoombaOS diagnostics...
+
+[1/8] Cliff sensors........... OK
+[2/8] Bumper sensor........... OK
+[3/8] Side brush motor........ OK (142 hrs until replacement)
+[4/8] Main brush motor........ OK (98 hrs until replacement)
+[5/8] Wheel motors............ OK (L: 1204 hrs, R: 1204 hrs)
+[6/8] LIDAR module............ OK (last calibrated 3 days ago)
+[7/8] Dustbin sensor.......... OK
+[8/8] WiFi module............. OK (signal: -38 dBm)
+
+ALL SYSTEMS NOMINAL`
+	return commandResult{output: diag}
+}
+
+func (s *roombaState) cmdAlerts() commandResult {
+	var alerts []string
+	if s.dustbin >= 60 {
+		alerts = append(alerts, fmt.Sprintf("WARNING: Dustbin %d%% full - consider emptying", s.dustbin))
+	}
+	alerts = append(alerts,
+		"WARNING: Side brush replacement due in 12 hours",
+		"INFO: Unidentified sticky substance detected in Kitchen",
+		"INFO: Cat frequently blocking cleaning path in Cat's Room",
+		"INFO: Firmware update available: v4.4.0-beta",
+		"INFO: Filter replacement recommended in 14 days",
+	)
+
+	var b strings.Builder
+	b.WriteString("=== Active Alerts ===\n")
+	for _, a := range alerts {
+		b.WriteString(a + "\n")
+	}
+	b.WriteString(fmt.Sprintf("\n%d alert(s) active", len(alerts)))
+	return commandResult{output: b.String()}
+}
+
+func (s *roombaState) cmdReboot() commandResult {
+	reboot := `RoombaOS is rebooting...
+
+Stopping navigation engine..... done
+Saving room map data........... done
+Flushing cleaning logs......... done
+Disconnecting from WiFi........ done
+
+Rebooting now. Goodbye!`
+	return commandResult{output: reboot, exit: true}
+}
+
+func capitalizeFirst(s string) string {
+	if s == "" {
+		return s
+	}
+	return strings.ToUpper(s[:1]) + s[1:]
+}
+
+func formatDuration(d time.Duration) string {
+	hours := int(d.Hours())
+	minutes := int(d.Minutes()) % 60
+	if hours >= 24 {
+		days := hours / 24
+		hours %= 24
+		return fmt.Sprintf("%dd %dh", days, hours)
+	}
+	if hours > 0 {
+		return fmt.Sprintf("%dh %dm", hours, minutes)
+	}
+	return fmt.Sprintf("%dm", minutes)
+}

internal/shell/shell.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"io"
 
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 // Shell is the interface that all honeypot shell implementations must satisfy.

internal/shell/tetris/data.go

@@ -0,0 +1,101 @@
+package tetris
+
+import "github.com/charmbracelet/lipgloss"
+
+// pieceType identifies a tetromino (0–6).
+type pieceType int
+
+const (
+	pieceI pieceType = iota
+	pieceO
+	pieceT
+	pieceS
+	pieceZ
+	pieceJ
+	pieceL
+)
+
+const numPieceTypes = 7
+
+// Standard Tetris colors.
+var pieceColors = [numPieceTypes]lipgloss.Color{
+	lipgloss.Color("#00FFFF"), // I — cyan
+	lipgloss.Color("#FFFF00"), // O — yellow
+	lipgloss.Color("#AA00FF"), // T — purple
+	lipgloss.Color("#00FF00"), // S — green
+	lipgloss.Color("#FF0000"), // Z — red
+	lipgloss.Color("#0000FF"), // J — blue
+	lipgloss.Color("#FF8800"), // L — orange
+}
+
+// Each piece has 4 rotations, each rotation is a list of (row, col) offsets
+// relative to the piece origin.
+type rotation [4][2]int
+
+var pieces = [numPieceTypes][4]rotation{
+	// I
+	{
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{0, 3}},
+		{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{3, 0}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{0, 3}},
+		{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{3, 0}},
+	},
+	// O
+	{
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}},
+	},
+	// T
+	{
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{1, 1}},
+		{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{1, 1}},
+		{[2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}, [2]int{1, 2}},
+		{[2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 1}},
+	},
+	// S
+	{
+		{[2]int{0, 1}, [2]int{0, 2}, [2]int{1, 0}, [2]int{1, 1}},
+		{[2]int{0, 0}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 1}},
+		{[2]int{0, 1}, [2]int{0, 2}, [2]int{1, 0}, [2]int{1, 1}},
+		{[2]int{0, 0}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 1}},
+	},
+	// Z
+	{
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 1}, [2]int{1, 2}},
+		{[2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 0}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 1}, [2]int{1, 2}},
+		{[2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 0}},
+	},
+	// J
+	{
+		{[2]int{0, 0}, [2]int{1, 0}, [2]int{1, 1}, [2]int{1, 2}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{2, 0}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{1, 2}},
+		{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{2, 1}},
+	},
+	// L
+	{
+		{[2]int{0, 2}, [2]int{1, 0}, [2]int{1, 1}, [2]int{1, 2}},
+		{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{2, 1}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{1, 0}},
+		{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 1}, [2]int{2, 1}},
+	},
+}
+
+// spawnCol returns the starting column for a piece, centering it on the board.
+func spawnCol(pt pieceType, rot int) int {
+	shape := pieces[pt][rot]
+	minC, maxC := shape[0][1], shape[0][1]
+	for _, off := range shape {
+		if off[1] < minC {
+			minC = off[1]
+		}
+		if off[1] > maxC {
+			maxC = off[1]
+		}
+	}
+	width := maxC - minC + 1
+	return (boardCols - width) / 2
+}

internal/shell/tetris/game.go

@@ -0,0 +1,210 @@
+package tetris
+
+import "math/rand/v2"
+
+const (
+	boardRows = 20
+	boardCols = 10
+)
+
+// cell represents a single board cell. Zero value is empty.
+type cell struct {
+	filled bool
+	piece  pieceType // which piece type filled this cell (for color)
+}
+
+// gameState holds all mutable state for a Tetris game.
+type gameState struct {
+	board      [boardRows][boardCols]cell
+	current    pieceType
+	currentRot int
+	currentRow int
+	currentCol int
+	next       pieceType
+	score      int
+	level      int
+	lines      int
+	gameOver   bool
+}
+
+// newGame creates a new game state, optionally starting at a given level.
+func newGame(startLevel int) *gameState {
+	g := &gameState{
+		level: startLevel,
+		next:  pieceType(rand.IntN(numPieceTypes)),
+	}
+	g.spawnPiece()
+	return g
+}
+
+// spawnPiece pulls the next piece and generates a new next.
+func (g *gameState) spawnPiece() {
+	g.current = g.next
+	g.next = pieceType(rand.IntN(numPieceTypes))
+	g.currentRot = 0
+	g.currentRow = 0
+	g.currentCol = spawnCol(g.current, 0)
+
+	if !g.canPlace(g.current, g.currentRot, g.currentRow, g.currentCol) {
+		g.gameOver = true
+	}
+}
+
+// canPlace checks whether the piece fits at the given position.
+func (g *gameState) canPlace(pt pieceType, rot, row, col int) bool {
+	shape := pieces[pt][rot]
+	for _, off := range shape {
+		r, c := row+off[0], col+off[1]
+		if r < 0 || r >= boardRows || c < 0 || c >= boardCols {
+			return false
+		}
+		if g.board[r][c].filled {
+			return false
+		}
+	}
+	return true
+}
+
+// moveLeft moves the current piece left if possible.
+func (g *gameState) moveLeft() bool {
+	if g.canPlace(g.current, g.currentRot, g.currentRow, g.currentCol-1) {
+		g.currentCol--
+		return true
+	}
+	return false
+}
+
+// moveRight moves the current piece right if possible.
+func (g *gameState) moveRight() bool {
+	if g.canPlace(g.current, g.currentRot, g.currentRow, g.currentCol+1) {
+		g.currentCol++
+		return true
+	}
+	return false
+}
+
+// moveDown moves the current piece down one row. Returns false if it cannot.
+func (g *gameState) moveDown() bool {
+	if g.canPlace(g.current, g.currentRot, g.currentRow+1, g.currentCol) {
+		g.currentRow++
+		return true
+	}
+	return false
+}
+
+// rotate rotates the current piece clockwise with wall kick attempts.
+func (g *gameState) rotate() bool {
+	newRot := (g.currentRot + 1) % 4
+
+	// Try in-place first.
+	if g.canPlace(g.current, newRot, g.currentRow, g.currentCol) {
+		g.currentRot = newRot
+		return true
+	}
+
+	// Wall kick: try +-1 column offset.
+	for _, offset := range []int{-1, 1} {
+		if g.canPlace(g.current, newRot, g.currentRow, g.currentCol+offset) {
+			g.currentRot = newRot
+			g.currentCol += offset
+			return true
+		}
+	}
+
+	// I piece: try +-2.
+	if g.current == pieceI {
+		for _, offset := range []int{-2, 2} {
+			if g.canPlace(g.current, newRot, g.currentRow, g.currentCol+offset) {
+				g.currentRot = newRot
+				g.currentCol += offset
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+// ghostRow returns the row where the piece would land.
+func (g *gameState) ghostRow() int {
+	row := g.currentRow
+	for g.canPlace(g.current, g.currentRot, row+1, g.currentCol) {
+		row++
+	}
+	return row
+}
+
+// hardDrop drops the piece to the bottom and returns the number of rows dropped.
+func (g *gameState) hardDrop() int {
+	ghost := g.ghostRow()
+	dropped := ghost - g.currentRow
+	g.currentRow = ghost
+	return dropped
+}
+
+// lockPiece writes the current piece into the board.
+func (g *gameState) lockPiece() {
+	shape := pieces[g.current][g.currentRot]
+	for _, off := range shape {
+		r, c := g.currentRow+off[0], g.currentCol+off[1]
+		if r >= 0 && r < boardRows && c >= 0 && c < boardCols {
+			g.board[r][c] = cell{filled: true, piece: g.current}
+		}
+	}
+}
+
+// clearLines removes completed rows and returns how many were cleared.
+func (g *gameState) clearLines() int {
+	cleared := 0
+	for r := boardRows - 1; r >= 0; r-- {
+		full := true
+		for c := range boardCols {
+			if !g.board[r][c].filled {
+				full = false
+				break
+			}
+		}
+		if full {
+			cleared++
+			// Shift everything above down.
+			for rr := r; rr > 0; rr-- {
+				g.board[rr] = g.board[rr-1]
+			}
+			g.board[0] = [boardCols]cell{}
+			r++ // re-check this row since we shifted
+		}
+	}
+	return cleared
+}
+
+// NES-style scoring multipliers per lines cleared.
+var lineScoreMultipliers = [5]int{0, 40, 100, 300, 1200}
+
+// addScore updates score, lines, and level after clearing rows.
+func (g *gameState) addScore(linesCleared int) {
+	if linesCleared > 0 && linesCleared <= 4 {
+		g.score += lineScoreMultipliers[linesCleared] * (g.level + 1)
+	}
+	g.lines += linesCleared
+
+	// Level up every 10 lines.
+	newLevel := g.lines / 10
+	if newLevel > g.level {
+		g.level = newLevel
+	}
+}
+
+// afterLock locks the piece, clears lines, scores, and spawns the next piece.
+// Returns the number of lines cleared.
+func (g *gameState) afterLock() int {
+	g.lockPiece()
+	cleared := g.clearLines()
+	g.addScore(cleared)
+	g.spawnPiece()
+	return cleared
+}
+
+// tickInterval returns the gravity interval in milliseconds for the current level.
+func tickInterval(level int) int {
+	return max(800-level*60, 100)
+}

internal/shell/tetris/model.go

@@ -0,0 +1,331 @@
+package tetris
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+
+	"code.t-juice.club/torjus/oubliette/internal/shell"
+)
+
+type screen int
+
+const (
+	screenTitle screen = iota
+	screenGame
+	screenGameOver
+)
+
+type tickMsg time.Time
+type lockMsg time.Time
+
+const lockDelay = 500 * time.Millisecond
+
+type model struct {
+	sess       *shell.SessionContext
+	difficulty string
+	screen     screen
+	game       *gameState
+	quitting   bool
+	height     int
+	keypresses int
+	locking    bool // true when piece has landed and lock delay is active
+}
+
+func newModel(sess *shell.SessionContext, difficulty string) *model {
+	return &model{
+		sess:       sess,
+		difficulty: difficulty,
+		screen:     screenTitle,
+	}
+}
+
+func (m *model) Init() tea.Cmd {
+	return nil
+}
+
+func (m *model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if m.quitting {
+		return m, tea.Quit
+	}
+
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		m.height = msg.Height
+		return m, nil
+	case tea.KeyMsg:
+		m.keypresses++
+		if msg.Type == tea.KeyCtrlC {
+			m.quitting = true
+			return m, tea.Batch(
+				logAction(m.sess, fmt.Sprintf("QUIT score=%d level=%d lines=%d keys=%d", m.gameScore(), m.gameLevel(), m.gameLines(), m.keypresses), "SESSION ENDED"),
+				tea.Quit,
+			)
+		}
+	}
+
+	switch m.screen {
+	case screenTitle:
+		return m.updateTitle(msg)
+	case screenGame:
+		return m.updateGame(msg)
+	case screenGameOver:
+		return m.updateGameOver(msg)
+	}
+
+	return m, nil
+}
+
+func (m *model) View() string {
+	var content string
+	switch m.screen {
+	case screenTitle:
+		content = m.titleView()
+	case screenGame:
+		content = gameView(m.game)
+	case screenGameOver:
+		content = m.gameOverView()
+	}
+
+	return gameFrame(content, m.height)
+}
+
+// --- Title screen ---
+
+func (m *model) titleView() string {
+	var b strings.Builder
+	b.WriteString("\n")
+	b.WriteString(titleStyle.Render("  ████████╗███████╗████████╗██████╗ ██╗███████╗"))
+	b.WriteString("\n")
+	b.WriteString(titleStyle.Render("  ╚══██╔══╝██╔════╝╚══██╔══╝██╔══██╗██║██╔════╝"))
+	b.WriteString("\n")
+	b.WriteString(titleStyle.Render("     ██║   █████╗     ██║   ██████╔╝██║███████╗"))
+	b.WriteString("\n")
+	b.WriteString(titleStyle.Render("     ██║   ██╔══╝     ██║   ██╔══██╗██║╚════██║"))
+	b.WriteString("\n")
+	b.WriteString(titleStyle.Render("     ██║   ███████╗   ██║   ██║  ██║██║███████║"))
+	b.WriteString("\n")
+	b.WriteString(titleStyle.Render("     ╚═╝   ╚══════╝   ╚═╝   ╚═╝  ╚═╝╚═╝╚══════╝"))
+	b.WriteString("\n\n")
+	b.WriteString(baseStyle.Render("  Press any key to start"))
+	b.WriteString("\n")
+	return b.String()
+}
+
+func (m *model) updateTitle(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if _, ok := msg.(tea.KeyMsg); ok {
+		m.screen = screenGame
+		var startLevel int
+		if m.difficulty == "hard" {
+			startLevel = 5
+		}
+		m.game = newGame(startLevel)
+		return m, tea.Batch(
+			tea.ClearScreen,
+			m.scheduleTick(),
+			logAction(m.sess, "GAME START", fmt.Sprintf("difficulty=%s", m.difficulty)),
+		)
+	}
+	return m, nil
+}
+
+// --- Game screen ---
+
+func (m *model) scheduleTick() tea.Cmd {
+	ms := tickInterval(m.game.level)
+	if m.difficulty == "easy" {
+		ms = max(1000-m.game.level*60, 150)
+	}
+	return tea.Tick(time.Duration(ms)*time.Millisecond, func(t time.Time) tea.Msg {
+		return tickMsg(t)
+	})
+}
+
+func (m *model) scheduleLock() tea.Cmd {
+	return tea.Tick(lockDelay, func(t time.Time) tea.Msg {
+		return lockMsg(t)
+	})
+}
+
+// performLock locks the piece, clears lines, and returns commands for logging
+// and scheduling the next tick. Returns nil if game over (goToGameOver is
+// included in the returned batch).
+func (m *model) performLock() tea.Cmd {
+	m.locking = false
+	cleared := m.game.afterLock()
+	if m.game.gameOver {
+		return tea.Batch(
+			logAction(m.sess, fmt.Sprintf("GAME OVER score=%d level=%d lines=%d keys=%d", m.game.score, m.game.level, m.game.lines, m.keypresses), "GAME OVER"),
+			m.goToGameOver(),
+		)
+	}
+	var cmds []tea.Cmd
+	cmds = append(cmds, m.scheduleTick())
+	if cleared > 0 {
+		cmds = append(cmds, logAction(m.sess, fmt.Sprintf("LINES %d score=%d", cleared, m.game.score), fmt.Sprintf("total=%d", m.game.lines)))
+		prevLevel := (m.game.lines - cleared) / 10
+		if m.game.level > prevLevel {
+			cmds = append(cmds, logAction(m.sess, fmt.Sprintf("LEVEL UP %d", m.game.level), fmt.Sprintf("score=%d", m.game.score)))
+		}
+	}
+	return tea.Batch(cmds...)
+}
+
+func (m *model) updateGame(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case lockMsg:
+		if m.game.gameOver || !m.locking {
+			return m, nil
+		}
+		// Lock delay expired — lock the piece now.
+		return m, m.performLock()
+
+	case tickMsg:
+		if m.game.gameOver || m.locking {
+			return m, nil
+		}
+		if !m.game.moveDown() {
+			// Piece landed — start lock delay instead of locking immediately.
+			m.locking = true
+			return m, m.scheduleLock()
+		}
+		return m, m.scheduleTick()
+
+	case tea.KeyMsg:
+		if m.game.gameOver {
+			return m, nil
+		}
+
+		switch msg.String() {
+		case "left":
+			m.game.moveLeft()
+			// If piece can now drop further, cancel lock delay.
+			if m.locking && m.game.canPlace(m.game.current, m.game.currentRot, m.game.currentRow+1, m.game.currentCol) {
+				m.locking = false
+			}
+		case "right":
+			m.game.moveRight()
+			if m.locking && m.game.canPlace(m.game.current, m.game.currentRot, m.game.currentRow+1, m.game.currentCol) {
+				m.locking = false
+			}
+		case "down":
+			if m.game.moveDown() {
+				m.game.score++ // soft drop bonus
+				if m.locking {
+					m.locking = false
+				}
+			}
+		case "up", "z":
+			m.game.rotate()
+			if m.locking && m.game.canPlace(m.game.current, m.game.currentRot, m.game.currentRow+1, m.game.currentCol) {
+				m.locking = false
+			}
+		case " ":
+			m.locking = false
+			dropped := m.game.hardDrop()
+			m.game.score += dropped * 2
+			return m, m.performLock()
+		case "q":
+			m.quitting = true
+			return m, tea.Batch(
+				logAction(m.sess, fmt.Sprintf("QUIT score=%d level=%d lines=%d keys=%d", m.game.score, m.game.level, m.game.lines, m.keypresses), "PLAYER QUIT"),
+				tea.Quit,
+			)
+		}
+		return m, nil
+	}
+
+	return m, nil
+}
+
+// --- Game over screen ---
+
+func (m *model) goToGameOver() tea.Cmd {
+	m.screen = screenGameOver
+	return tea.ClearScreen
+}
+
+func (m *model) gameOverView() string {
+	var b strings.Builder
+	b.WriteString("\n")
+	b.WriteString(titleStyle.Render("  GAME OVER"))
+	b.WriteString("\n\n")
+	b.WriteString(baseStyle.Render(fmt.Sprintf("  Score: %s", formatScore(m.game.score))))
+	b.WriteString("\n")
+	b.WriteString(baseStyle.Render(fmt.Sprintf("  Level: %d", m.game.level)))
+	b.WriteString("\n")
+	b.WriteString(baseStyle.Render(fmt.Sprintf("  Lines: %d", m.game.lines)))
+	b.WriteString("\n\n")
+	b.WriteString(dimStyle.Render("  R - Play again"))
+	b.WriteString("\n")
+	b.WriteString(dimStyle.Render("  Q - Quit"))
+	b.WriteString("\n")
+	return b.String()
+}
+
+func (m *model) updateGameOver(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if keyMsg, ok := msg.(tea.KeyMsg); ok {
+		switch keyMsg.String() {
+		case "r":
+			startLevel := 0
+			if m.difficulty == "hard" {
+				startLevel = 5
+			}
+			m.game = newGame(startLevel)
+			m.screen = screenGame
+			m.keypresses = 0
+			return m, tea.Batch(
+				tea.ClearScreen,
+				m.scheduleTick(),
+				logAction(m.sess, "RESTART", fmt.Sprintf("difficulty=%s", m.difficulty)),
+			)
+		case "q":
+			m.quitting = true
+			return m, tea.Batch(
+				logAction(m.sess, fmt.Sprintf("QUIT score=%d level=%d lines=%d keys=%d", m.game.score, m.game.level, m.game.lines, m.keypresses), "PLAYER QUIT"),
+				tea.Quit,
+			)
+		}
+	}
+	return m, nil
+}
+
+// Helper methods for safe access when game may be nil.
+func (m *model) gameScore() int {
+	if m.game != nil {
+		return m.game.score
+	}
+	return 0
+}
+
+func (m *model) gameLevel() int {
+	if m.game != nil {
+		return m.game.level
+	}
+	return 0
+}
+
+func (m *model) gameLines() int {
+	if m.game != nil {
+		return m.game.lines
+	}
+	return 0
+}
+
+// logAction returns a tea.Cmd that logs an action to the session store.
+func logAction(sess *shell.SessionContext, input, output string) tea.Cmd {
+	return func() tea.Msg {
+		if sess.Store != nil {
+			ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+			defer cancel()
+			_ = sess.Store.AppendSessionLog(ctx, sess.SessionID, input, output)
+		}
+		if sess.OnCommand != nil {
+			sess.OnCommand("tetris")
+		}
+		return nil
+	}
+}

internal/shell/tetris/style.go

@@ -0,0 +1,286 @@
+package tetris
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/charmbracelet/lipgloss"
+)
+
+const termWidth = 80
+
+var (
+	colorWhite = lipgloss.Color("#FFFFFF")
+	colorDim   = lipgloss.Color("#555555")
+	colorBlack = lipgloss.Color("#000000")
+	colorGhost = lipgloss.Color("#333333")
+)
+
+var (
+	baseStyle = lipgloss.NewStyle().
+			Foreground(colorWhite).
+			Background(colorBlack)
+
+	dimStyle = lipgloss.NewStyle().
+			Foreground(colorDim).
+			Background(colorBlack)
+
+	titleStyle = lipgloss.NewStyle().
+			Foreground(lipgloss.Color("#00FFFF")).
+			Background(colorBlack).
+			Bold(true)
+
+	sidebarLabelStyle = lipgloss.NewStyle().
+				Foreground(colorDim).
+				Background(colorBlack)
+
+	sidebarValueStyle = lipgloss.NewStyle().
+				Foreground(colorWhite).
+				Background(colorBlack).
+				Bold(true)
+)
+
+// cellStyle returns a style for a filled cell of a given piece type.
+func cellStyle(pt pieceType) lipgloss.Style {
+	return lipgloss.NewStyle().
+		Foreground(pieceColors[pt]).
+		Background(colorBlack)
+}
+
+// ghostStyle returns a dimmed style for the ghost piece.
+func ghostCellStyle() lipgloss.Style {
+	return lipgloss.NewStyle().
+		Foreground(colorGhost).
+		Background(colorBlack)
+}
+
+// renderBoard renders the board, current piece, and ghost piece as a string.
+func renderBoard(g *gameState) string {
+	// Build a display grid that includes the current piece and ghost.
+	type displayCell struct {
+		filled bool
+		ghost  bool
+		piece  pieceType
+	}
+	var grid [boardRows][boardCols]displayCell
+
+	// Copy locked cells.
+	for r := range boardRows {
+		for c := range boardCols {
+			if g.board[r][c].filled {
+				grid[r][c] = displayCell{filled: true, piece: g.board[r][c].piece}
+			}
+		}
+	}
+
+	// Ghost piece.
+	ghostR := g.ghostRow()
+	if ghostR != g.currentRow {
+		shape := pieces[g.current][g.currentRot]
+		for _, off := range shape {
+			r, c := ghostR+off[0], g.currentCol+off[1]
+			if r >= 0 && r < boardRows && c >= 0 && c < boardCols && !grid[r][c].filled {
+				grid[r][c] = displayCell{ghost: true, piece: g.current}
+			}
+		}
+	}
+
+	// Current piece.
+	shape := pieces[g.current][g.currentRot]
+	for _, off := range shape {
+		r, c := g.currentRow+off[0], g.currentCol+off[1]
+		if r >= 0 && r < boardRows && c >= 0 && c < boardCols {
+			grid[r][c] = displayCell{filled: true, piece: g.current}
+		}
+	}
+
+	// Render grid.
+	var b strings.Builder
+	borderStyle := dimStyle
+
+	for _, row := range grid {
+		b.WriteString(borderStyle.Render("|"))
+		for _, dc := range row {
+			switch {
+			case dc.filled:
+				b.WriteString(cellStyle(dc.piece).Render("[]"))
+			case dc.ghost:
+				b.WriteString(ghostCellStyle().Render("::"))
+			default:
+				b.WriteString(baseStyle.Render("  "))
+			}
+		}
+		b.WriteString(borderStyle.Render("|"))
+		b.WriteString("\n")
+	}
+	b.WriteString(borderStyle.Render("+" + strings.Repeat("--", boardCols) + "+"))
+
+	return b.String()
+}
+
+// renderNextPiece renders the "next piece" preview box.
+func renderNextPiece(pt pieceType) string {
+	shape := pieces[pt][0]
+	// Determine bounding box.
+	minR, maxR := shape[0][0], shape[0][0]
+	minC, maxC := shape[0][1], shape[0][1]
+	for _, off := range shape {
+		if off[0] < minR {
+			minR = off[0]
+		}
+		if off[0] > maxR {
+			maxR = off[0]
+		}
+		if off[1] < minC {
+			minC = off[1]
+		}
+		if off[1] > maxC {
+			maxC = off[1]
+		}
+	}
+
+	rows := maxR - minR + 1
+	cols := maxC - minC + 1
+
+	// Build a small grid.
+	grid := make([][]bool, rows)
+	for i := range grid {
+		grid[i] = make([]bool, cols)
+	}
+	for _, off := range shape {
+		grid[off[0]-minR][off[1]-minC] = true
+	}
+
+	var b strings.Builder
+	boxWidth := 8 // chars for the box interior
+	b.WriteString(dimStyle.Render("+" + strings.Repeat("-", boxWidth) + "+"))
+	b.WriteString("\n")
+
+	for r := range rows {
+		b.WriteString(dimStyle.Render("|"))
+		// Center the piece in the box.
+		pieceWidth := cols * 2
+		leftPad := (boxWidth - pieceWidth) / 2
+		rightPad := boxWidth - pieceWidth - leftPad
+		b.WriteString(baseStyle.Render(strings.Repeat(" ", leftPad)))
+		for c := range cols {
+			if grid[r][c] {
+				b.WriteString(cellStyle(pt).Render("[]"))
+			} else {
+				b.WriteString(baseStyle.Render("  "))
+			}
+		}
+		b.WriteString(baseStyle.Render(strings.Repeat(" ", rightPad)))
+		b.WriteString(dimStyle.Render("|"))
+		b.WriteString("\n")
+	}
+
+	// Fill remaining rows in the box (max 4 rows for I piece).
+	for r := rows; r < 2; r++ {
+		b.WriteString(dimStyle.Render("|"))
+		b.WriteString(baseStyle.Render(strings.Repeat(" ", boxWidth)))
+		b.WriteString(dimStyle.Render("|"))
+		b.WriteString("\n")
+	}
+
+	b.WriteString(dimStyle.Render("+" + strings.Repeat("-", boxWidth) + "+"))
+	return b.String()
+}
+
+// formatScore formats a score with comma separators.
+func formatScore(n int) string {
+	s := fmt.Sprintf("%d", n)
+	if len(s) <= 3 {
+		return s
+	}
+	var parts []string
+	for len(s) > 3 {
+		parts = append([]string{s[len(s)-3:]}, parts...)
+		s = s[:len(s)-3]
+	}
+	parts = append([]string{s}, parts...)
+	return strings.Join(parts, ",")
+}
+
+// gameView combines the board and sidebar into the game screen.
+func gameView(g *gameState) string {
+	boardStr := renderBoard(g)
+	boardLines := strings.Split(boardStr, "\n")
+
+	nextStr := renderNextPiece(g.next)
+	nextLines := strings.Split(nextStr, "\n")
+
+	// Build sidebar lines.
+	var sidebar []string
+	sidebar = append(sidebar, sidebarLabelStyle.Render("  NEXT:"))
+	sidebar = append(sidebar, nextLines...)
+	sidebar = append(sidebar, "")
+	sidebar = append(sidebar, sidebarLabelStyle.Render("  SCORE: ")+sidebarValueStyle.Render(formatScore(g.score)))
+	sidebar = append(sidebar, sidebarLabelStyle.Render("  LEVEL: ")+sidebarValueStyle.Render(fmt.Sprintf("%d", g.level)))
+	sidebar = append(sidebar, sidebarLabelStyle.Render("  LINES: ")+sidebarValueStyle.Render(fmt.Sprintf("%d", g.lines)))
+	sidebar = append(sidebar, "")
+	sidebar = append(sidebar, dimStyle.Render("  Controls:"))
+	sidebar = append(sidebar, dimStyle.Render("  <- ->  Move"))
+	sidebar = append(sidebar, dimStyle.Render("  Up/Z   Rotate"))
+	sidebar = append(sidebar, dimStyle.Render("  Down   Soft drop"))
+	sidebar = append(sidebar, dimStyle.Render("  Space  Hard drop"))
+	sidebar = append(sidebar, dimStyle.Render("  Q      Quit"))
+
+	// Combine board and sidebar side by side.
+	var b strings.Builder
+	maxLines := max(len(boardLines), len(sidebar))
+
+	for i := range maxLines {
+		boardLine := ""
+		if i < len(boardLines) {
+			boardLine = boardLines[i]
+		}
+		sidebarLine := ""
+		if i < len(sidebar) {
+			sidebarLine = sidebar[i]
+		}
+
+		// Pad board to fixed width (|  + 10*2 + |  = 22 chars visual).
+		b.WriteString(boardLine)
+		b.WriteString(sidebarLine)
+		b.WriteString("\n")
+	}
+
+	return b.String()
+}
+
+// padLine pads a single line to termWidth.
+func padLine(line string) string {
+	w := lipgloss.Width(line)
+	if w >= termWidth {
+		return line
+	}
+	return line + baseStyle.Render(strings.Repeat(" ", termWidth-w))
+}
+
+// padLines pads every line in a multi-line string to termWidth.
+func padLines(s string) string {
+	lines := strings.Split(s, "\n")
+	for i, line := range lines {
+		lines[i] = padLine(line)
+	}
+	return strings.Join(lines, "\n")
+}
+
+// gameFrame wraps content with padding to fill the terminal.
+func gameFrame(content string, height int) string {
+	var b strings.Builder
+	b.WriteString(content)
+
+	// Pad with blank lines to fill terminal height.
+	if height > 0 {
+		contentLines := strings.Count(content, "\n") + 1
+		blankLine := baseStyle.Render(strings.Repeat(" ", termWidth))
+		for i := contentLines; i < height; i++ {
+			b.WriteString(blankLine)
+			b.WriteString("\n")
+		}
+	}
+
+	return padLines(b.String())
+}

internal/shell/tetris/tetris.go

@@ -0,0 +1,66 @@
+package tetris
+
+import (
+	"context"
+	"io"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+
+	"code.t-juice.club/torjus/oubliette/internal/shell"
+)
+
+const sessionTimeout = 10 * time.Minute
+
+// TetrisShell is a Tetris game TUI for the honeypot.
+type TetrisShell struct{}
+
+// NewTetrisShell returns a new TetrisShell instance.
+func NewTetrisShell() *TetrisShell {
+	return &TetrisShell{}
+}
+
+func (t *TetrisShell) Name() string        { return "tetris" }
+func (t *TetrisShell) Description() string { return "Tetris game TUI" }
+
+func (t *TetrisShell) Handle(ctx context.Context, sess *shell.SessionContext, rw io.ReadWriteCloser) error {
+	ctx, cancel := context.WithTimeout(ctx, sessionTimeout)
+	defer cancel()
+
+	difficulty := configString(sess.ShellConfig, "difficulty", "normal")
+
+	m := newModel(sess, difficulty)
+	p := tea.NewProgram(m,
+		tea.WithInput(rw),
+		tea.WithOutput(rw),
+		tea.WithAltScreen(),
+	)
+
+	done := make(chan error, 1)
+	go func() {
+		_, err := p.Run()
+		done <- err
+	}()
+
+	select {
+	case err := <-done:
+		return err
+	case <-ctx.Done():
+		p.Quit()
+		<-done
+		return nil
+	}
+}
+
+// configString reads a string from the shell config map with a default.
+func configString(cfg map[string]any, key, defaultVal string) string {
+	if cfg == nil {
+		return defaultVal
+	}
+	if v, ok := cfg[key]; ok {
+		if s, ok := v.(string); ok && s != "" {
+			return s
+		}
+	}
+	return defaultVal
+}

internal/shell/tetris/tetris_test.go

@@ -0,0 +1,582 @@
+package tetris
+
+import (
+	"context"
+	"strings"
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+
+	"code.t-juice.club/torjus/oubliette/internal/shell"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
+)
+
+// newTestModel creates a model with a test session context.
+func newTestModel(t *testing.T) (*model, *storage.MemoryStore) {
+	t.Helper()
+	store := storage.NewMemoryStore()
+	sessID, _ := store.CreateSession(context.Background(), "127.0.0.1", "player", "tetris", "")
+	sess := &shell.SessionContext{
+		SessionID: sessID,
+		Username:  "player",
+		Store:     store,
+	}
+	m := newModel(sess, "normal")
+	return m, store
+}
+
+// sendKey sends a single key message to the model and returns the command.
+func sendKey(m *model, key string) tea.Cmd {
+	var msg tea.KeyMsg
+	switch key {
+	case "enter":
+		msg = tea.KeyMsg{Type: tea.KeyEnter}
+	case "up":
+		msg = tea.KeyMsg{Type: tea.KeyUp}
+	case "down":
+		msg = tea.KeyMsg{Type: tea.KeyDown}
+	case "left":
+		msg = tea.KeyMsg{Type: tea.KeyLeft}
+	case "right":
+		msg = tea.KeyMsg{Type: tea.KeyRight}
+	case "space":
+		msg = tea.KeyMsg{Type: tea.KeySpace}
+	case "ctrl+c":
+		msg = tea.KeyMsg{Type: tea.KeyCtrlC}
+	default:
+		if len(key) == 1 {
+			msg = tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune(key)}
+		}
+	}
+	_, cmd := m.Update(msg)
+	return cmd
+}
+
+// sendTick sends a tick message to the model.
+func sendTick(m *model) tea.Cmd {
+	_, cmd := m.Update(tickMsg(time.Now()))
+	return cmd
+}
+
+// execCmds recursively executes tea.Cmd functions (including batches).
+func execCmds(cmd tea.Cmd) {
+	if cmd == nil {
+		return
+	}
+	msg := cmd()
+	if batch, ok := msg.(tea.BatchMsg); ok {
+		for _, c := range batch {
+			execCmds(c)
+		}
+	}
+}
+
+func TestTetrisShellName(t *testing.T) {
+	sh := NewTetrisShell()
+	if sh.Name() != "tetris" {
+		t.Errorf("Name() = %q, want %q", sh.Name(), "tetris")
+	}
+	if sh.Description() == "" {
+		t.Error("Description() should not be empty")
+	}
+}
+
+func TestConfigString(t *testing.T) {
+	cfg := map[string]any{
+		"difficulty": "hard",
+	}
+	if got := configString(cfg, "difficulty", "normal"); got != "hard" {
+		t.Errorf("configString() = %q, want %q", got, "hard")
+	}
+	if got := configString(cfg, "missing", "normal"); got != "normal" {
+		t.Errorf("configString() = %q, want %q", got, "normal")
+	}
+	if got := configString(nil, "difficulty", "normal"); got != "normal" {
+		t.Errorf("configString(nil) = %q, want %q", got, "normal")
+	}
+}
+
+func TestTitleScreenRenders(t *testing.T) {
+	m, _ := newTestModel(t)
+	view := m.View()
+	if !strings.Contains(view, "████") {
+		t.Error("title screen should show TETRIS logo")
+	}
+	if !strings.Contains(view, "Press any key") {
+		t.Error("title screen should show 'Press any key'")
+	}
+}
+
+func TestTitleToGame(t *testing.T) {
+	m, _ := newTestModel(t)
+	if m.screen != screenTitle {
+		t.Fatalf("expected screenTitle, got %d", m.screen)
+	}
+
+	sendKey(m, "enter")
+	if m.screen != screenGame {
+		t.Errorf("expected screenGame after keypress, got %d", m.screen)
+	}
+	if m.game == nil {
+		t.Fatal("game should be initialized")
+	}
+}
+
+func TestGameRenders(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+
+	view := m.View()
+	if !strings.Contains(view, "|") {
+		t.Error("game view should contain board borders")
+	}
+	if !strings.Contains(view, "SCORE") {
+		t.Error("game view should show SCORE")
+	}
+	if !strings.Contains(view, "LEVEL") {
+		t.Error("game view should show LEVEL")
+	}
+	if !strings.Contains(view, "LINES") {
+		t.Error("game view should show LINES")
+	}
+	if !strings.Contains(view, "NEXT") {
+		t.Error("game view should show NEXT")
+	}
+}
+
+// --- Pure game logic tests ---
+
+func TestNewGame(t *testing.T) {
+	g := newGame(0)
+	if g.gameOver {
+		t.Error("new game should not be game over")
+	}
+	if g.score != 0 {
+		t.Errorf("initial score = %d, want 0", g.score)
+	}
+	if g.level != 0 {
+		t.Errorf("initial level = %d, want 0", g.level)
+	}
+	if g.lines != 0 {
+		t.Errorf("initial lines = %d, want 0", g.lines)
+	}
+}
+
+func TestNewGameHardLevel(t *testing.T) {
+	g := newGame(5)
+	if g.level != 5 {
+		t.Errorf("hard start level = %d, want 5", g.level)
+	}
+}
+
+func TestMoveLeft(t *testing.T) {
+	g := newGame(0)
+	startCol := g.currentCol
+	g.moveLeft()
+	if g.currentCol != startCol-1 {
+		t.Errorf("after moveLeft: col = %d, want %d", g.currentCol, startCol-1)
+	}
+}
+
+func TestMoveRight(t *testing.T) {
+	g := newGame(0)
+	startCol := g.currentCol
+	g.moveRight()
+	if g.currentCol != startCol+1 {
+		t.Errorf("after moveRight: col = %d, want %d", g.currentCol, startCol+1)
+	}
+}
+
+func TestMoveDown(t *testing.T) {
+	g := newGame(0)
+	startRow := g.currentRow
+	moved := g.moveDown()
+	if !moved {
+		t.Error("moveDown should succeed from starting position")
+	}
+	if g.currentRow != startRow+1 {
+		t.Errorf("after moveDown: row = %d, want %d", g.currentRow, startRow+1)
+	}
+}
+
+func TestCannotMoveLeftBeyondWall(t *testing.T) {
+	g := newGame(0)
+	// Move all the way left.
+	for range boardCols {
+		g.moveLeft()
+	}
+	col := g.currentCol
+	g.moveLeft() // should not move further
+	if g.currentCol != col {
+		t.Errorf("should not move past left wall: col = %d, was %d", g.currentCol, col)
+	}
+}
+
+func TestCannotMoveRightBeyondWall(t *testing.T) {
+	g := newGame(0)
+	// Move all the way right.
+	for range boardCols {
+		g.moveRight()
+	}
+	col := g.currentCol
+	g.moveRight() // should not move further
+	if g.currentCol != col {
+		t.Errorf("should not move past right wall: col = %d, was %d", g.currentCol, col)
+	}
+}
+
+func TestRotate(t *testing.T) {
+	g := newGame(0)
+	startRot := g.currentRot
+	g.rotate()
+	// Rotation should change (possibly with wall kick).
+	if g.currentRot == startRot {
+		// Rotation might legitimately fail in some edge cases, so just check
+		// that the game state is valid.
+		if !g.canPlace(g.current, g.currentRot, g.currentRow, g.currentCol) {
+			t.Error("piece should be in a valid position after rotate attempt")
+		}
+	}
+}
+
+func TestHardDrop(t *testing.T) {
+	g := newGame(0)
+	startRow := g.currentRow
+	dropped := g.hardDrop()
+	if dropped == 0 {
+		t.Error("hard drop should move piece down at least some rows from top")
+	}
+	if g.currentRow <= startRow {
+		t.Errorf("after hardDrop: row = %d should be > %d", g.currentRow, startRow)
+	}
+}
+
+func TestGhostRow(t *testing.T) {
+	g := newGame(0)
+	ghost := g.ghostRow()
+	if ghost < g.currentRow {
+		t.Errorf("ghost row %d should be >= current row %d", ghost, g.currentRow)
+	}
+	// Ghost should be at a position where moving down one more is impossible.
+	if g.canPlace(g.current, g.currentRot, ghost+1, g.currentCol) {
+		t.Error("ghost row should be the lowest valid position")
+	}
+}
+
+func TestLockPiece(t *testing.T) {
+	g := newGame(0)
+	g.hardDrop()
+	pt := g.current
+	row, col, rot := g.currentRow, g.currentCol, g.currentRot
+	g.lockPiece()
+
+	// Verify that the piece's cells are now filled.
+	shape := pieces[pt][rot]
+	for _, off := range shape {
+		r, c := row+off[0], col+off[1]
+		if !g.board[r][c].filled {
+			t.Errorf("cell (%d, %d) should be filled after lockPiece", r, c)
+		}
+	}
+}
+
+func TestClearLines(t *testing.T) {
+	g := newGame(0)
+	// Fill the bottom row completely.
+	for c := range boardCols {
+		g.board[boardRows-1][c] = cell{filled: true, piece: pieceI}
+	}
+	cleared := g.clearLines()
+	if cleared != 1 {
+		t.Errorf("clearLines() = %d, want 1", cleared)
+	}
+	// Bottom row should now be empty (shifted from above).
+	for c := range boardCols {
+		if g.board[boardRows-1][c].filled {
+			t.Errorf("bottom row col %d should be empty after clearing", c)
+		}
+	}
+}
+
+func TestClearMultipleLines(t *testing.T) {
+	g := newGame(0)
+	// Fill the bottom 4 rows.
+	for r := boardRows - 4; r < boardRows; r++ {
+		for c := range boardCols {
+			g.board[r][c] = cell{filled: true, piece: pieceI}
+		}
+	}
+	cleared := g.clearLines()
+	if cleared != 4 {
+		t.Errorf("clearLines() = %d, want 4", cleared)
+	}
+}
+
+func TestScoring(t *testing.T) {
+	tests := []struct {
+		lines int
+		level int
+		want  int
+	}{
+		{1, 0, 40},
+		{2, 0, 100},
+		{3, 0, 300},
+		{4, 0, 1200},
+		{1, 1, 80},
+		{4, 2, 3600},
+	}
+	for _, tt := range tests {
+		g := newGame(tt.level)
+		g.addScore(tt.lines)
+		if g.score != tt.want {
+			t.Errorf("score for %d lines at level %d = %d, want %d", tt.lines, tt.level, g.score, tt.want)
+		}
+	}
+}
+
+func TestLevelUp(t *testing.T) {
+	g := newGame(0)
+	g.lines = 9
+	g.addScore(1) // This should push lines to 10, triggering level 1.
+	if g.level != 1 {
+		t.Errorf("level = %d, want 1 after 10 lines", g.level)
+	}
+}
+
+func TestTickInterval(t *testing.T) {
+	if got := tickInterval(0); got != 800 {
+		t.Errorf("tickInterval(0) = %d, want 800", got)
+	}
+	if got := tickInterval(5); got != 500 {
+		t.Errorf("tickInterval(5) = %d, want 500", got)
+	}
+	// Floor at 100ms.
+	if got := tickInterval(20); got != 100 {
+		t.Errorf("tickInterval(20) = %d, want 100", got)
+	}
+}
+
+func TestFormatScore(t *testing.T) {
+	tests := []struct {
+		n    int
+		want string
+	}{
+		{0, "0"},
+		{100, "100"},
+		{1250, "1,250"},
+		{1000000, "1,000,000"},
+	}
+	for _, tt := range tests {
+		if got := formatScore(tt.n); got != tt.want {
+			t.Errorf("formatScore(%d) = %q, want %q", tt.n, got, tt.want)
+		}
+	}
+}
+
+func TestGameOverScreen(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+
+	// Force game over.
+	m.game.gameOver = true
+	m.screen = screenGameOver
+
+	view := m.View()
+	if !strings.Contains(view, "GAME OVER") {
+		t.Error("game over screen should show GAME OVER")
+	}
+	if !strings.Contains(view, "Score") {
+		t.Error("game over screen should show score")
+	}
+}
+
+func TestRestartFromGameOver(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+
+	m.game.gameOver = true
+	m.screen = screenGameOver
+
+	sendKey(m, "r")
+	if m.screen != screenGame {
+		t.Errorf("expected screenGame after restart, got %d", m.screen)
+	}
+	if m.game.gameOver {
+		t.Error("game should not be over after restart")
+	}
+}
+
+func TestQuitFromGame(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+	sendKey(m, "q")
+	if !m.quitting {
+		t.Error("should be quitting after pressing q")
+	}
+}
+
+func TestQuitFromGameOver(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+	m.game.gameOver = true
+	m.screen = screenGameOver
+
+	sendKey(m, "q")
+	if !m.quitting {
+		t.Error("should be quitting after pressing q in game over")
+	}
+}
+
+func TestSoftDropScoring(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+
+	scoreBefore := m.game.score
+	sendKey(m, "down")
+	if m.game.score != scoreBefore+1 {
+		t.Errorf("score after soft drop = %d, want %d", m.game.score, scoreBefore+1)
+	}
+}
+
+func TestHardDropScoring(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+
+	// Hard drop gives 2 points per row dropped.
+	sendKey(m, "space")
+	if m.game.score < 2 {
+		t.Errorf("score after hard drop = %d, should be at least 2", m.game.score)
+	}
+}
+
+func TestTickMovesDown(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+
+	rowBefore := m.game.currentRow
+	sendTick(m)
+	// Piece should either move down by 1, or lock and spawn a new piece at top.
+	movedDown := m.game.currentRow == rowBefore+1
+	respawned := m.game.currentRow < rowBefore
+	if !movedDown && !respawned && !m.game.gameOver {
+		t.Errorf("tick should move piece down or lock+respawn: row was %d, now %d", rowBefore, m.game.currentRow)
+	}
+}
+
+func TestSessionLogs(t *testing.T) {
+	m, store := newTestModel(t)
+
+	// Press key to start game — returns a logAction cmd.
+	cmd := sendKey(m, "enter")
+	if cmd != nil {
+		execCmds(cmd)
+	}
+	time.Sleep(50 * time.Millisecond)
+
+	found := false
+	for _, log := range store.SessionLogs {
+		if strings.Contains(log.Input, "GAME START") {
+			found = true
+			break
+		}
+	}
+	if !found {
+		t.Error("expected GAME START in session logs")
+	}
+}
+
+func TestKeypressCounter(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+	sendKey(m, "left")
+	sendKey(m, "right")
+	sendKey(m, "down")
+
+	if m.keypresses != 4 { // enter + 3 game keys
+		t.Errorf("keypresses = %d, want 4", m.keypresses)
+	}
+}
+
+func TestLockDelay(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+
+	// Drop piece to the bottom via ticks until it can't move down.
+	for range boardRows + 5 {
+		if m.locking {
+			break
+		}
+		sendTick(m)
+	}
+
+	if !m.locking {
+		t.Fatal("piece should be in locking state after hitting bottom")
+	}
+
+	// During lock delay, we should still be able to move left/right.
+	colBefore := m.game.currentCol
+	sendKey(m, "left")
+	if m.game.currentCol >= colBefore {
+		// Might not have moved if against wall, try right.
+		sendKey(m, "right")
+	}
+
+	// Sending a lockMsg should finalize the piece.
+	m.Update(lockMsg(time.Now()))
+	// After lock, a new piece should have spawned (row near top).
+	if m.game.currentRow > 1 && !m.game.gameOver {
+		t.Errorf("after lock delay, new piece should spawn near top, got row %d", m.game.currentRow)
+	}
+}
+
+func TestLockDelayCancelledByDrop(t *testing.T) {
+	m, _ := newTestModel(t)
+	sendKey(m, "enter") // start game
+
+	// Build a ledge: fill rows 18-19 but leave column 0 empty.
+	for r := boardRows - 2; r < boardRows; r++ {
+		for c := 1; c < boardCols; c++ {
+			m.game.board[r][c] = cell{filled: true, piece: pieceI}
+		}
+	}
+
+	// Move piece to column 0 area and drop it onto the ledge.
+	for range boardCols {
+		m.game.moveLeft()
+	}
+	// Tick down until locking.
+	for range boardRows + 5 {
+		if m.locking {
+			break
+		}
+		sendTick(m)
+	}
+
+	// If piece is on the ledge and we slide it to col 0 (open column),
+	// the lock delay should cancel since it can fall further.
+	// This test just validates the locking flag logic works.
+	if m.locking {
+		// Try moving — if piece can drop further, locking should cancel.
+		sendKey(m, "left")
+		// Whether locking cancels depends on the board state; just verify no crash.
+	}
+}
+
+func TestSpawnCol(t *testing.T) {
+	// All pieces should spawn roughly centered.
+	for pt := range pieceType(numPieceTypes) {
+		col := spawnCol(pt, 0)
+		if col < 0 || col > boardCols-1 {
+			t.Errorf("spawnCol(%d, 0) = %d, out of range", pt, col)
+		}
+		// Verify piece fits at spawn position.
+		shape := pieces[pt][0]
+		for _, off := range shape {
+			c := col + off[1]
+			if c < 0 || c >= boardCols {
+				t.Errorf("piece %d overflows board at spawn: col+offset = %d", pt, c)
+			}
+		}
+	}
+}

internal/storage/instrumented.go

@@ -0,0 +1,217 @@
+package storage
+
+import (
+	"context"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+// InstrumentedStore wraps a Store and records query duration and errors
+// as Prometheus metrics for each method call.
+type InstrumentedStore struct {
+	store         Store
+	queryDuration *prometheus.HistogramVec
+	queryErrors   *prometheus.CounterVec
+}
+
+// NewInstrumentedStore returns a new InstrumentedStore wrapping the given store.
+func NewInstrumentedStore(store Store, queryDuration *prometheus.HistogramVec, queryErrors *prometheus.CounterVec) *InstrumentedStore {
+	return &InstrumentedStore{
+		store:         store,
+		queryDuration: queryDuration,
+		queryErrors:   queryErrors,
+	}
+}
+
+func observe[T any](s *InstrumentedStore, method string, fn func() (T, error)) (T, error) {
+	timer := prometheus.NewTimer(s.queryDuration.WithLabelValues(method))
+	v, err := fn()
+	timer.ObserveDuration()
+	if err != nil {
+		s.queryErrors.WithLabelValues(method).Inc()
+	}
+	return v, err
+}
+
+func observeErr(s *InstrumentedStore, method string, fn func() error) error {
+	timer := prometheus.NewTimer(s.queryDuration.WithLabelValues(method))
+	err := fn()
+	timer.ObserveDuration()
+	if err != nil {
+		s.queryErrors.WithLabelValues(method).Inc()
+	}
+	return err
+}
+
+func (s *InstrumentedStore) RecordLoginAttempt(ctx context.Context, username, password, ip, country string) error {
+	return observeErr(s, "RecordLoginAttempt", func() error {
+		return s.store.RecordLoginAttempt(ctx, username, password, ip, country)
+	})
+}
+
+func (s *InstrumentedStore) CreateSession(ctx context.Context, ip, username, shellName, country string) (string, error) {
+	return observe(s, "CreateSession", func() (string, error) {
+		return s.store.CreateSession(ctx, ip, username, shellName, country)
+	})
+}
+
+func (s *InstrumentedStore) EndSession(ctx context.Context, sessionID string, disconnectedAt time.Time) error {
+	return observeErr(s, "EndSession", func() error {
+		return s.store.EndSession(ctx, sessionID, disconnectedAt)
+	})
+}
+
+func (s *InstrumentedStore) UpdateHumanScore(ctx context.Context, sessionID string, score float64) error {
+	return observeErr(s, "UpdateHumanScore", func() error {
+		return s.store.UpdateHumanScore(ctx, sessionID, score)
+	})
+}
+
+func (s *InstrumentedStore) SetExecCommand(ctx context.Context, sessionID string, command string) error {
+	return observeErr(s, "SetExecCommand", func() error {
+		return s.store.SetExecCommand(ctx, sessionID, command)
+	})
+}
+
+func (s *InstrumentedStore) AppendSessionLog(ctx context.Context, sessionID, input, output string) error {
+	return observeErr(s, "AppendSessionLog", func() error {
+		return s.store.AppendSessionLog(ctx, sessionID, input, output)
+	})
+}
+
+func (s *InstrumentedStore) DeleteRecordsBefore(ctx context.Context, cutoff time.Time) (int64, error) {
+	return observe(s, "DeleteRecordsBefore", func() (int64, error) {
+		return s.store.DeleteRecordsBefore(ctx, cutoff)
+	})
+}
+
+func (s *InstrumentedStore) GetDashboardStats(ctx context.Context) (*DashboardStats, error) {
+	return observe(s, "GetDashboardStats", func() (*DashboardStats, error) {
+		return s.store.GetDashboardStats(ctx)
+	})
+}
+
+func (s *InstrumentedStore) GetTopUsernames(ctx context.Context, limit int) ([]TopEntry, error) {
+	return observe(s, "GetTopUsernames", func() ([]TopEntry, error) {
+		return s.store.GetTopUsernames(ctx, limit)
+	})
+}
+
+func (s *InstrumentedStore) GetTopPasswords(ctx context.Context, limit int) ([]TopEntry, error) {
+	return observe(s, "GetTopPasswords", func() ([]TopEntry, error) {
+		return s.store.GetTopPasswords(ctx, limit)
+	})
+}
+
+func (s *InstrumentedStore) GetTopIPs(ctx context.Context, limit int) ([]TopEntry, error) {
+	return observe(s, "GetTopIPs", func() ([]TopEntry, error) {
+		return s.store.GetTopIPs(ctx, limit)
+	})
+}
+
+func (s *InstrumentedStore) GetTopCountries(ctx context.Context, limit int) ([]TopEntry, error) {
+	return observe(s, "GetTopCountries", func() ([]TopEntry, error) {
+		return s.store.GetTopCountries(ctx, limit)
+	})
+}
+
+func (s *InstrumentedStore) GetTopExecCommands(ctx context.Context, limit int) ([]TopEntry, error) {
+	return observe(s, "GetTopExecCommands", func() ([]TopEntry, error) {
+		return s.store.GetTopExecCommands(ctx, limit)
+	})
+}
+
+func (s *InstrumentedStore) GetRecentSessions(ctx context.Context, limit int, activeOnly bool) ([]Session, error) {
+	return observe(s, "GetRecentSessions", func() ([]Session, error) {
+		return s.store.GetRecentSessions(ctx, limit, activeOnly)
+	})
+}
+
+func (s *InstrumentedStore) GetFilteredSessions(ctx context.Context, limit int, activeOnly bool, f DashboardFilter) ([]Session, error) {
+	return observe(s, "GetFilteredSessions", func() ([]Session, error) {
+		return s.store.GetFilteredSessions(ctx, limit, activeOnly, f)
+	})
+}
+
+func (s *InstrumentedStore) GetSession(ctx context.Context, sessionID string) (*Session, error) {
+	return observe(s, "GetSession", func() (*Session, error) {
+		return s.store.GetSession(ctx, sessionID)
+	})
+}
+
+func (s *InstrumentedStore) GetSessionLogs(ctx context.Context, sessionID string) ([]SessionLog, error) {
+	return observe(s, "GetSessionLogs", func() ([]SessionLog, error) {
+		return s.store.GetSessionLogs(ctx, sessionID)
+	})
+}
+
+func (s *InstrumentedStore) AppendSessionEvents(ctx context.Context, events []SessionEvent) error {
+	return observeErr(s, "AppendSessionEvents", func() error {
+		return s.store.AppendSessionEvents(ctx, events)
+	})
+}
+
+func (s *InstrumentedStore) GetSessionEvents(ctx context.Context, sessionID string) ([]SessionEvent, error) {
+	return observe(s, "GetSessionEvents", func() ([]SessionEvent, error) {
+		return s.store.GetSessionEvents(ctx, sessionID)
+	})
+}
+
+func (s *InstrumentedStore) CloseActiveSessions(ctx context.Context, disconnectedAt time.Time) (int64, error) {
+	return observe(s, "CloseActiveSessions", func() (int64, error) {
+		return s.store.CloseActiveSessions(ctx, disconnectedAt)
+	})
+}
+
+func (s *InstrumentedStore) GetAttemptsOverTime(ctx context.Context, days int, since, until *time.Time) ([]TimeSeriesPoint, error) {
+	return observe(s, "GetAttemptsOverTime", func() ([]TimeSeriesPoint, error) {
+		return s.store.GetAttemptsOverTime(ctx, days, since, until)
+	})
+}
+
+func (s *InstrumentedStore) GetHourlyPattern(ctx context.Context, since, until *time.Time) ([]HourlyCount, error) {
+	return observe(s, "GetHourlyPattern", func() ([]HourlyCount, error) {
+		return s.store.GetHourlyPattern(ctx, since, until)
+	})
+}
+
+func (s *InstrumentedStore) GetCountryStats(ctx context.Context) ([]CountryCount, error) {
+	return observe(s, "GetCountryStats", func() ([]CountryCount, error) {
+		return s.store.GetCountryStats(ctx)
+	})
+}
+
+func (s *InstrumentedStore) GetFilteredDashboardStats(ctx context.Context, f DashboardFilter) (*DashboardStats, error) {
+	return observe(s, "GetFilteredDashboardStats", func() (*DashboardStats, error) {
+		return s.store.GetFilteredDashboardStats(ctx, f)
+	})
+}
+
+func (s *InstrumentedStore) GetFilteredTopUsernames(ctx context.Context, limit int, f DashboardFilter) ([]TopEntry, error) {
+	return observe(s, "GetFilteredTopUsernames", func() ([]TopEntry, error) {
+		return s.store.GetFilteredTopUsernames(ctx, limit, f)
+	})
+}
+
+func (s *InstrumentedStore) GetFilteredTopPasswords(ctx context.Context, limit int, f DashboardFilter) ([]TopEntry, error) {
+	return observe(s, "GetFilteredTopPasswords", func() ([]TopEntry, error) {
+		return s.store.GetFilteredTopPasswords(ctx, limit, f)
+	})
+}
+
+func (s *InstrumentedStore) GetFilteredTopIPs(ctx context.Context, limit int, f DashboardFilter) ([]TopEntry, error) {
+	return observe(s, "GetFilteredTopIPs", func() ([]TopEntry, error) {
+		return s.store.GetFilteredTopIPs(ctx, limit, f)
+	})
+}
+
+func (s *InstrumentedStore) GetFilteredTopCountries(ctx context.Context, limit int, f DashboardFilter) ([]TopEntry, error) {
+	return observe(s, "GetFilteredTopCountries", func() ([]TopEntry, error) {
+		return s.store.GetFilteredTopCountries(ctx, limit, f)
+	})
+}
+
+func (s *InstrumentedStore) Close() error {
+	return s.store.Close()
+}

internal/storage/instrumented_test.go

@@ -0,0 +1,163 @@
+package storage
+
+import (
+	"context"
+	"errors"
+	"testing"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+	dto "github.com/prometheus/client_model/go"
+)
+
+func newTestInstrumented() (*InstrumentedStore, *prometheus.HistogramVec, *prometheus.CounterVec) {
+	dur := prometheus.NewHistogramVec(prometheus.HistogramOpts{
+		Name:    "test_query_duration_seconds",
+		Help:    "test",
+		Buckets: []float64{0.001, 0.01, 0.1, 1},
+	}, []string{"method"})
+	errs := prometheus.NewCounterVec(prometheus.CounterOpts{
+		Name: "test_query_errors_total",
+		Help: "test",
+	}, []string{"method"})
+
+	store := NewMemoryStore()
+	return NewInstrumentedStore(store, dur, errs), dur, errs
+}
+
+func getHistogramCount(h *prometheus.HistogramVec, method string) uint64 {
+	m := &dto.Metric{}
+	h.WithLabelValues(method).(prometheus.Histogram).Write(m)
+	return m.GetHistogram().GetSampleCount()
+}
+
+func getCounterValue(c *prometheus.CounterVec, method string) float64 {
+	m := &dto.Metric{}
+	c.WithLabelValues(method).Write(m)
+	return m.GetCounter().GetValue()
+}
+
+func TestInstrumentedStoreDelegation(t *testing.T) {
+	s, dur, _ := newTestInstrumented()
+	ctx := context.Background()
+
+	// RecordLoginAttempt should delegate and record duration.
+	err := s.RecordLoginAttempt(ctx, "root", "pass", "1.2.3.4", "US")
+	if err != nil {
+		t.Fatalf("RecordLoginAttempt: %v", err)
+	}
+	if c := getHistogramCount(dur, "RecordLoginAttempt"); c != 1 {
+		t.Fatalf("expected 1 observation, got %d", c)
+	}
+
+	// CreateSession should delegate and return a valid ID.
+	id, err := s.CreateSession(ctx, "1.2.3.4", "root", "bash", "US")
+	if err != nil {
+		t.Fatalf("CreateSession: %v", err)
+	}
+	if id == "" {
+		t.Fatal("CreateSession returned empty ID")
+	}
+	if c := getHistogramCount(dur, "CreateSession"); c != 1 {
+		t.Fatalf("expected 1 observation, got %d", c)
+	}
+
+	// GetDashboardStats should delegate.
+	stats, err := s.GetDashboardStats(ctx)
+	if err != nil {
+		t.Fatalf("GetDashboardStats: %v", err)
+	}
+	if stats == nil {
+		t.Fatal("GetDashboardStats returned nil")
+	}
+	if c := getHistogramCount(dur, "GetDashboardStats"); c != 1 {
+		t.Fatalf("expected 1 observation, got %d", c)
+	}
+}
+
+func TestInstrumentedStoreErrorCounting(t *testing.T) {
+	dur := prometheus.NewHistogramVec(prometheus.HistogramOpts{
+		Name:    "test_ec_query_duration_seconds",
+		Help:    "test",
+		Buckets: []float64{0.001, 0.01, 0.1, 1},
+	}, []string{"method"})
+	errs := prometheus.NewCounterVec(prometheus.CounterOpts{
+		Name: "test_ec_query_errors_total",
+		Help: "test",
+	}, []string{"method"})
+
+	es := &errorStore{}
+	s := NewInstrumentedStore(es, dur, errs)
+	ctx := context.Background()
+
+	// Error should be counted.
+	err := s.EndSession(ctx, "nonexistent", time.Now())
+	if !errors.Is(err, errFake) {
+		t.Fatalf("expected errFake, got %v", err)
+	}
+	if c := getHistogramCount(dur, "EndSession"); c != 1 {
+		t.Fatalf("expected 1 observation, got %d", c)
+	}
+	if c := getCounterValue(errs, "EndSession"); c != 1 {
+		t.Fatalf("expected error count 1, got %f", c)
+	}
+
+	// Successful call should not increment error counter.
+	s2, _, errs2 := newTestInstrumented()
+	err = s2.RecordLoginAttempt(ctx, "root", "pass", "1.2.3.4", "US")
+	if err != nil {
+		t.Fatalf("RecordLoginAttempt: %v", err)
+	}
+	if c := getCounterValue(errs2, "RecordLoginAttempt"); c != 0 {
+		t.Fatalf("expected error count 0, got %f", c)
+	}
+}
+
+// errorStore is a Store that returns errors for all methods.
+type errorStore struct {
+	MemoryStore
+}
+
+var errFake = errors.New("fake error")
+
+func (s *errorStore) RecordLoginAttempt(context.Context, string, string, string, string) error {
+	return errFake
+}
+
+func (s *errorStore) EndSession(context.Context, string, time.Time) error {
+	return errFake
+}
+
+func TestInstrumentedStoreObserveErr(t *testing.T) {
+	dur := prometheus.NewHistogramVec(prometheus.HistogramOpts{
+		Name:    "test2_query_duration_seconds",
+		Help:    "test",
+		Buckets: []float64{0.001, 0.01, 0.1, 1},
+	}, []string{"method"})
+	errs := prometheus.NewCounterVec(prometheus.CounterOpts{
+		Name: "test2_query_errors_total",
+		Help: "test",
+	}, []string{"method"})
+
+	es := &errorStore{}
+	s := NewInstrumentedStore(es, dur, errs)
+	ctx := context.Background()
+
+	err := s.RecordLoginAttempt(ctx, "root", "pass", "1.2.3.4", "US")
+	if !errors.Is(err, errFake) {
+		t.Fatalf("expected errFake, got %v", err)
+	}
+	if c := getCounterValue(errs, "RecordLoginAttempt"); c != 1 {
+		t.Fatalf("expected error count 1, got %f", c)
+	}
+	if c := getHistogramCount(dur, "RecordLoginAttempt"); c != 1 {
+		t.Fatalf("expected 1 observation, got %d", c)
+	}
+}
+
+func TestInstrumentedStoreClose(t *testing.T) {
+	s, _, _ := newTestInstrumented()
+	if err := s.Close(); err != nil {
+		t.Fatalf("Close: %v", err)
+	}
+}

internal/storage/memstore.go

@@ -336,10 +336,26 @@ func (m *MemoryStore) GetRecentSessions(_ context.Context, limit int, activeOnly
 	m.mu.Lock()
 	defer m.mu.Unlock()
 
-	// Count events per session.
+	return m.collectSessions(limit, activeOnly, DashboardFilter{}), nil
+}
+
+func (m *MemoryStore) GetFilteredSessions(_ context.Context, limit int, activeOnly bool, f DashboardFilter) ([]Session, error) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	return m.collectSessions(limit, activeOnly, f), nil
+}
+
+// collectSessions gathers sessions matching filter criteria. Must be called with m.mu held.
+func (m *MemoryStore) collectSessions(limit int, activeOnly bool, f DashboardFilter) []Session {
+	// Compute event counts and input bytes per session.
 	eventCounts := make(map[string]int)
+	inputBytes := make(map[string]int64)
 	for _, e := range m.SessionEvents {
 		eventCounts[e.SessionID]++
+		if e.Direction == 0 {
+			inputBytes[e.SessionID] += int64(len(e.Data))
+		}
 	}
 
 	var sessions []Session
@@ -347,17 +363,54 @@ func (m *MemoryStore) GetRecentSessions(_ context.Context, limit int, activeOnly
 		if activeOnly && s.DisconnectedAt != nil {
 			continue
 		}
+		if !matchesSessionFilter(s, f) {
+			continue
+		}
 		sess := *s
 		sess.EventCount = eventCounts[s.ID]
+		sess.InputBytes = inputBytes[s.ID]
 		sessions = append(sessions, sess)
 	}
-	sort.Slice(sessions, func(i, j int) bool {
+
-		return sessions[i].ConnectedAt.After(sessions[j].ConnectedAt)
+	if f.SortBy == "input_bytes" {
-	})
+		sort.Slice(sessions, func(i, j int) bool {
+			return sessions[i].InputBytes > sessions[j].InputBytes
+		})
+	} else {
+		sort.Slice(sessions, func(i, j int) bool {
+			return sessions[i].ConnectedAt.After(sessions[j].ConnectedAt)
+		})
+	}
+
 	if limit > 0 && len(sessions) > limit {
 		sessions = sessions[:limit]
 	}
-	return sessions, nil
+	return sessions
+}
+
+// matchesSessionFilter returns true if the session matches the given filter.
+func matchesSessionFilter(s *Session, f DashboardFilter) bool {
+	if f.Since != nil && s.ConnectedAt.Before(*f.Since) {
+		return false
+	}
+	if f.Until != nil && s.ConnectedAt.After(*f.Until) {
+		return false
+	}
+	if f.IP != "" && s.IP != f.IP {
+		return false
+	}
+	if f.Country != "" && s.Country != f.Country {
+		return false
+	}
+	if f.Username != "" && s.Username != f.Username {
+		return false
+	}
+	if f.HumanScoreAboveZero {
+		if s.HumanScore == nil || *s.HumanScore <= 0 {
+			return false
+		}
+	}
+	return true
 }
 
 func (m *MemoryStore) GetTopExecCommands(_ context.Context, limit int) ([]TopEntry, error) {

internal/storage/migrations/005_add_query_indexes.sql

@@ -0,0 +1,3 @@
+CREATE INDEX idx_login_attempts_username ON login_attempts(username);
+CREATE INDEX idx_login_attempts_password ON login_attempts(password);
+CREATE INDEX idx_sessions_disconnected_at ON sessions(disconnected_at);

internal/storage/migrations_test.go

@@ -25,8 +25,8 @@ func TestMigrateCreatesTablesAndVersion(t *testing.T) {
 	if err := db.QueryRow(`SELECT version FROM schema_version`).Scan(&version); err != nil {
 		t.Fatalf("query version: %v", err)
 	}
-	if version != 4 {
+	if version != 5 {
-		t.Errorf("version = %d, want 4", version)
+		t.Errorf("version = %d, want 5", version)
 	}
 
 	// Verify tables exist by inserting into them.
@@ -64,8 +64,8 @@ func TestMigrateIdempotent(t *testing.T) {
 	if err := db.QueryRow(`SELECT version FROM schema_version`).Scan(&version); err != nil {
 		t.Fatalf("query version: %v", err)
 	}
-	if version != 4 {
+	if version != 5 {
-		t.Errorf("version = %d after double migrate, want 4", version)
+		t.Errorf("version = %d after double migrate, want 5", version)
 	}
 }
 

internal/storage/sqlite.go

@@ -383,40 +383,104 @@ func (s *SQLiteStore) queryTopN(ctx context.Context, column string, limit int) (
 }
 
 func (s *SQLiteStore) GetRecentSessions(ctx context.Context, limit int, activeOnly bool) ([]Session, error) {
-	query := `SELECT s.id, s.ip, s.country, s.username, s.shell_name, s.connected_at, s.disconnected_at, s.human_score, s.exec_command, COUNT(e.id) as event_count FROM sessions s LEFT JOIN session_events e ON s.id = e.session_id`
+	query := `SELECT s.id, s.ip, s.country, s.username, s.shell_name, s.connected_at, s.disconnected_at, s.human_score, s.exec_command, COUNT(e.id) as event_count, COALESCE(SUM(CASE WHEN e.direction = 0 THEN LENGTH(e.data) ELSE 0 END), 0) as input_bytes FROM sessions s LEFT JOIN session_events e ON s.id = e.session_id`
 	if activeOnly {
 		query += ` WHERE s.disconnected_at IS NULL`
 	}
 	query += ` GROUP BY s.id ORDER BY s.connected_at DESC LIMIT ?`
 
-	rows, err := s.db.QueryContext(ctx, query, limit)
+	return s.scanSessions(ctx, query, limit)
+}
+
+// buildSessionWhereClause builds a dynamic WHERE clause for session filtering.
+func buildSessionWhereClause(f DashboardFilter, activeOnly bool) (string, []any) {
+	var clauses []string
+	var args []any
+
+	if activeOnly {
+		clauses = append(clauses, "s.disconnected_at IS NULL")
+	}
+	if f.Since != nil {
+		clauses = append(clauses, "s.connected_at >= ?")
+		args = append(args, f.Since.UTC().Format(time.RFC3339))
+	}
+	if f.Until != nil {
+		clauses = append(clauses, "s.connected_at <= ?")
+		args = append(args, f.Until.UTC().Format(time.RFC3339))
+	}
+	if f.IP != "" {
+		clauses = append(clauses, "s.ip = ?")
+		args = append(args, f.IP)
+	}
+	if f.Country != "" {
+		clauses = append(clauses, "s.country = ?")
+		args = append(args, f.Country)
+	}
+	if f.Username != "" {
+		clauses = append(clauses, "s.username = ?")
+		args = append(args, f.Username)
+	}
+	if f.HumanScoreAboveZero {
+		clauses = append(clauses, "s.human_score > 0")
+	}
+
+	if len(clauses) == 0 {
+		return "", nil
+	}
+	return " WHERE " + strings.Join(clauses, " AND "), args
+}
+
+// validSessionSorts maps allowed SortBy values to SQL ORDER BY clauses.
+var validSessionSorts = map[string]string{
+	"connected_at": "s.connected_at DESC",
+	"input_bytes":  "input_bytes DESC",
+}
+
+func (s *SQLiteStore) GetFilteredSessions(ctx context.Context, limit int, activeOnly bool, f DashboardFilter) ([]Session, error) {
+	where, args := buildSessionWhereClause(f, activeOnly)
+	args = append(args, limit)
+
+	orderBy := validSessionSorts["connected_at"]
+	if mapped, ok := validSessionSorts[f.SortBy]; ok {
+		orderBy = mapped
+	}
+
+	//nolint:gosec // where/order clauses built from allowlisted constants, not raw user input
+	query := `SELECT s.id, s.ip, s.country, s.username, s.shell_name, s.connected_at, s.disconnected_at, s.human_score, s.exec_command, COUNT(e.id) as event_count, COALESCE(SUM(CASE WHEN e.direction = 0 THEN LENGTH(e.data) ELSE 0 END), 0) as input_bytes FROM sessions s LEFT JOIN session_events e ON s.id = e.session_id` + where + ` GROUP BY s.id ORDER BY ` + orderBy + ` LIMIT ?`
+
+	return s.scanSessions(ctx, query, args...)
+}
+
+// scanSessions executes a session query and scans the results.
+func (s *SQLiteStore) scanSessions(ctx context.Context, query string, args ...any) ([]Session, error) {
+	rows, err := s.db.QueryContext(ctx, query, args...)
 	if err != nil {
-		return nil, fmt.Errorf("querying recent sessions: %w", err)
+		return nil, fmt.Errorf("querying sessions: %w", err)
 	}
 	defer func() { _ = rows.Close() }()
 
 	var sessions []Session
 	for rows.Next() {
-		var s Session
+		var sess Session
 		var connectedAt string
 		var disconnectedAt sql.NullString
 		var humanScore sql.NullFloat64
 		var execCommand sql.NullString
-		if err := rows.Scan(&s.ID, &s.IP, &s.Country, &s.Username, &s.ShellName, &connectedAt, &disconnectedAt, &humanScore, &execCommand, &s.EventCount); err != nil {
+		if err := rows.Scan(&sess.ID, &sess.IP, &sess.Country, &sess.Username, &sess.ShellName, &connectedAt, &disconnectedAt, &humanScore, &execCommand, &sess.EventCount, &sess.InputBytes); err != nil {
 			return nil, fmt.Errorf("scanning session: %w", err)
 		}
-		s.ConnectedAt, _ = time.Parse(time.RFC3339, connectedAt)
+		sess.ConnectedAt, _ = time.Parse(time.RFC3339, connectedAt)
 		if disconnectedAt.Valid {
 			t, _ := time.Parse(time.RFC3339, disconnectedAt.String)
-			s.DisconnectedAt = &t
+			sess.DisconnectedAt = &t
 		}
 		if humanScore.Valid {
-			s.HumanScore = &humanScore.Float64
+			sess.HumanScore = &humanScore.Float64
 		}
 		if execCommand.Valid {
-			s.ExecCommand = &execCommand.String
+			sess.ExecCommand = &execCommand.String
 		}
-		sessions = append(sessions, s)
+		sessions = append(sessions, sess)
 	}
 	return sessions, rows.Err()
 }

internal/storage/store.go

@@ -29,6 +29,7 @@ type Session struct {
 	HumanScore     *float64
 	ExecCommand    *string
 	EventCount     int
+	InputBytes     int64
 }
 
 // SessionLog represents a single log entry for a session.
@@ -76,11 +77,13 @@ type CountryCount struct {
 
 // DashboardFilter contains optional filters for dashboard queries.
 type DashboardFilter struct {
-	Since    *time.Time
+	Since              *time.Time
-	Until    *time.Time
+	Until              *time.Time
-	IP       string
+	IP                 string
-	Country  string
+	Country            string
-	Username string
+	Username           string
+	HumanScoreAboveZero bool
+	SortBy             string
 }
 
 // TopEntry represents a value and its count for top-N queries.
@@ -137,6 +140,10 @@ type Store interface {
 	// If activeOnly is true, only sessions with no disconnected_at are returned.
 	GetRecentSessions(ctx context.Context, limit int, activeOnly bool) ([]Session, error)
 
+	// GetFilteredSessions returns sessions matching the given filter, ordered
+	// by the filter's SortBy field (default: connected_at DESC).
+	GetFilteredSessions(ctx context.Context, limit int, activeOnly bool, f DashboardFilter) ([]Session, error)
+
 	// GetSession returns a single session by ID.
 	GetSession(ctx context.Context, sessionID string) (*Session, error)
 

internal/storage/store_test.go

@@ -700,3 +700,192 @@ func TestGetRecentSessions(t *testing.T) {
 		})
 	})
 }
+
+func TestInputBytes(t *testing.T) {
+	testStores(t, func(t *testing.T, newStore storeFactory) {
+		t.Run("counts only input direction", func(t *testing.T) {
+			store := newStore(t)
+			ctx := context.Background()
+
+			id, err := store.CreateSession(ctx, "10.0.0.1", "root", "bash", "")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+
+			now := time.Now().UTC()
+			events := []SessionEvent{
+				{SessionID: id, Timestamp: now, Direction: 0, Data: []byte("ls\n")},                           // 3 bytes input
+				{SessionID: id, Timestamp: now.Add(100 * time.Millisecond), Direction: 1, Data: []byte("file1\nfile2\n")}, // 11 bytes output
+				{SessionID: id, Timestamp: now.Add(200 * time.Millisecond), Direction: 0, Data: []byte("pwd\n")},          // 4 bytes input
+			}
+			if err := store.AppendSessionEvents(ctx, events); err != nil {
+				t.Fatalf("AppendSessionEvents: %v", err)
+			}
+
+			sessions, err := store.GetRecentSessions(ctx, 10, false)
+			if err != nil {
+				t.Fatalf("GetRecentSessions: %v", err)
+			}
+			if len(sessions) != 1 {
+				t.Fatalf("len = %d, want 1", len(sessions))
+			}
+			// Only direction=0 data: "ls\n" (3) + "pwd\n" (4) = 7
+			if sessions[0].InputBytes != 7 {
+				t.Errorf("InputBytes = %d, want 7", sessions[0].InputBytes)
+			}
+		})
+
+		t.Run("zero when no events", func(t *testing.T) {
+			store := newStore(t)
+			ctx := context.Background()
+
+			_, err := store.CreateSession(ctx, "10.0.0.1", "root", "bash", "")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+
+			sessions, err := store.GetRecentSessions(ctx, 10, false)
+			if err != nil {
+				t.Fatalf("GetRecentSessions: %v", err)
+			}
+			if len(sessions) != 1 {
+				t.Fatalf("len = %d, want 1", len(sessions))
+			}
+			if sessions[0].InputBytes != 0 {
+				t.Errorf("InputBytes = %d, want 0", sessions[0].InputBytes)
+			}
+		})
+	})
+}
+
+func TestGetFilteredSessions(t *testing.T) {
+	testStores(t, func(t *testing.T, newStore storeFactory) {
+		t.Run("filter by human score", func(t *testing.T) {
+			store := newStore(t)
+			ctx := context.Background()
+
+			// Create two sessions, one with human score > 0.
+			id1, err := store.CreateSession(ctx, "10.0.0.1", "root", "bash", "CN")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+			if err := store.UpdateHumanScore(ctx, id1, 0.75); err != nil {
+				t.Fatalf("UpdateHumanScore: %v", err)
+			}
+
+			_, err = store.CreateSession(ctx, "10.0.0.2", "admin", "bash", "US")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+
+			sessions, err := store.GetFilteredSessions(ctx, 50, false, DashboardFilter{HumanScoreAboveZero: true})
+			if err != nil {
+				t.Fatalf("GetFilteredSessions: %v", err)
+			}
+			if len(sessions) != 1 {
+				t.Fatalf("len = %d, want 1", len(sessions))
+			}
+			if sessions[0].ID != id1 {
+				t.Errorf("expected session %s, got %s", id1, sessions[0].ID)
+			}
+		})
+
+		t.Run("sort by input bytes", func(t *testing.T) {
+			store := newStore(t)
+			ctx := context.Background()
+
+			// Session with more input (created first).
+			id1, err := store.CreateSession(ctx, "10.0.0.1", "root", "bash", "")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+			now := time.Now().UTC()
+			if err := store.AppendSessionEvents(ctx, []SessionEvent{
+				{SessionID: id1, Timestamp: now, Direction: 0, Data: []byte("ls -la /tmp\n")},
+				{SessionID: id1, Timestamp: now.Add(time.Millisecond), Direction: 0, Data: []byte("cat /etc/passwd\n")},
+			}); err != nil {
+				t.Fatalf("AppendSessionEvents: %v", err)
+			}
+
+			// Session with less input (created after id1, so would be first by connected_at).
+			// Sleep >1s to ensure different RFC3339 timestamps in SQLite.
+			time.Sleep(1100 * time.Millisecond)
+			id2, err := store.CreateSession(ctx, "10.0.0.2", "admin", "bash", "")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+			if err := store.AppendSessionEvents(ctx, []SessionEvent{
+				{SessionID: id2, Timestamp: now.Add(2 * time.Second), Direction: 0, Data: []byte("x\n")},
+			}); err != nil {
+				t.Fatalf("AppendSessionEvents: %v", err)
+			}
+
+			// Default sort (connected_at DESC) should show id2 first.
+			sessions, err := store.GetFilteredSessions(ctx, 50, false, DashboardFilter{})
+			if err != nil {
+				t.Fatalf("GetFilteredSessions: %v", err)
+			}
+			if len(sessions) != 2 {
+				t.Fatalf("len = %d, want 2", len(sessions))
+			}
+			if sessions[0].ID != id2 {
+				t.Errorf("default sort: expected %s first, got %s", id2, sessions[0].ID)
+			}
+
+			// Sort by input_bytes should show id1 first (more input).
+			sessions, err = store.GetFilteredSessions(ctx, 50, false, DashboardFilter{SortBy: "input_bytes"})
+			if err != nil {
+				t.Fatalf("GetFilteredSessions: %v", err)
+			}
+			if len(sessions) != 2 {
+				t.Fatalf("len = %d, want 2", len(sessions))
+			}
+			if sessions[0].ID != id1 {
+				t.Errorf("input_bytes sort: expected %s first, got %s", id1, sessions[0].ID)
+			}
+		})
+
+		t.Run("combined filters", func(t *testing.T) {
+			store := newStore(t)
+			ctx := context.Background()
+
+			id1, err := store.CreateSession(ctx, "10.0.0.1", "root", "bash", "CN")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+			if err := store.UpdateHumanScore(ctx, id1, 0.5); err != nil {
+				t.Fatalf("UpdateHumanScore: %v", err)
+			}
+
+			// Different country, also has score.
+			id2, err := store.CreateSession(ctx, "10.0.0.2", "admin", "bash", "US")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+			if err := store.UpdateHumanScore(ctx, id2, 0.8); err != nil {
+				t.Fatalf("UpdateHumanScore: %v", err)
+			}
+
+			// Same country CN but no score.
+			_, err = store.CreateSession(ctx, "10.0.0.3", "test", "bash", "CN")
+			if err != nil {
+				t.Fatalf("CreateSession: %v", err)
+			}
+
+			// Filter: CN + human score > 0 -> only id1.
+			sessions, err := store.GetFilteredSessions(ctx, 50, false, DashboardFilter{
+				Country:             "CN",
+				HumanScoreAboveZero: true,
+			})
+			if err != nil {
+				t.Fatalf("GetFilteredSessions: %v", err)
+			}
+			if len(sessions) != 1 {
+				t.Fatalf("len = %d, want 1", len(sessions))
+			}
+			if sessions[0].ID != id1 {
+				t.Errorf("expected session %s, got %s", id1, sessions[0].ID)
+			}
+		})
+	})
+}

internal/web/handlers.go

@@ -1,15 +1,23 @@
 package web
 
 import (
+	"context"
 	"encoding/base64"
 	"encoding/json"
 	"net/http"
 	"strconv"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
+// dbContext returns a context detached from the HTTP request lifecycle with a
+// 30-second timeout. This prevents HTMX polling from canceling in-flight DB
+// queries when the browser aborts the previous XHR.
+func dbContext(r *http.Request) (context.Context, context.CancelFunc) {
+	return context.WithTimeout(context.WithoutCancel(r.Context()), 30*time.Second)
+}
+
 type dashboardData struct {
 	Stats           *storage.DashboardStats
 	TopUsernames    []storage.TopEntry
@@ -22,7 +30,8 @@ type dashboardData struct {
 }
 
 func (s *Server) handleDashboard(w http.ResponseWriter, r *http.Request) {
-	ctx := r.Context()
+	ctx, cancel := dbContext(r)
+	defer cancel()
 
 	stats, err := s.store.GetDashboardStats(ctx)
 	if err != nil {
@@ -98,7 +107,10 @@ func (s *Server) handleDashboard(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *Server) handleFragmentStats(w http.ResponseWriter, r *http.Request) {
-	stats, err := s.store.GetDashboardStats(r.Context())
+	ctx, cancel := dbContext(r)
+	defer cancel()
+
+	stats, err := s.store.GetDashboardStats(ctx)
 	if err != nil {
 		s.logger.Error("failed to get dashboard stats", "err", err)
 		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
@@ -112,7 +124,10 @@ func (s *Server) handleFragmentStats(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *Server) handleFragmentActiveSessions(w http.ResponseWriter, r *http.Request) {
-	sessions, err := s.store.GetRecentSessions(r.Context(), 50, true)
+	ctx, cancel := dbContext(r)
+	defer cancel()
+
+	sessions, err := s.store.GetRecentSessions(ctx, 50, true)
 	if err != nil {
 		s.logger.Error("failed to get active sessions", "err", err)
 		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
@@ -125,6 +140,24 @@ func (s *Server) handleFragmentActiveSessions(w http.ResponseWriter, r *http.Req
 	}
 }
 
+func (s *Server) handleFragmentRecentSessions(w http.ResponseWriter, r *http.Request) {
+	ctx, cancel := dbContext(r)
+	defer cancel()
+
+	f := parseDashboardFilter(r)
+	sessions, err := s.store.GetFilteredSessions(ctx, 50, false, f)
+	if err != nil {
+		s.logger.Error("failed to get filtered sessions", "err", err)
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := s.tmpl.dashboard.ExecuteTemplate(w, "recent_sessions", sessions); err != nil {
+		s.logger.Error("failed to render recent sessions fragment", "err", err)
+	}
+}
+
 type sessionDetailData struct {
 	Session    *storage.Session
 	Logs       []storage.SessionLog
@@ -132,7 +165,8 @@ type sessionDetailData struct {
 }
 
 func (s *Server) handleSessionDetail(w http.ResponseWriter, r *http.Request) {
-	ctx := r.Context()
+	ctx, cancel := dbContext(r)
+	defer cancel()
 	sessionID := r.PathValue("id")
 
 	session, err := s.store.GetSession(ctx, sessionID)
@@ -201,11 +235,13 @@ func parseDateParam(r *http.Request, name string) *time.Time {
 
 func parseDashboardFilter(r *http.Request) storage.DashboardFilter {
 	return storage.DashboardFilter{
-		Since:    parseDateParam(r, "since"),
+		Since:               parseDateParam(r, "since"),
-		Until:    parseDateParam(r, "until"),
+		Until:               parseDateParam(r, "until"),
-		IP:       r.URL.Query().Get("ip"),
+		IP:                  r.URL.Query().Get("ip"),
-		Country:  r.URL.Query().Get("country"),
+		Country:             r.URL.Query().Get("country"),
-		Username: r.URL.Query().Get("username"),
+		Username:            r.URL.Query().Get("username"),
+		HumanScoreAboveZero: r.URL.Query().Get("human_score") == "1",
+		SortBy:              r.URL.Query().Get("sort"),
 	}
 }
 
@@ -229,7 +265,10 @@ func (s *Server) handleAPIAttemptsOverTime(w http.ResponseWriter, r *http.Reques
 	since := parseDateParam(r, "since")
 	until := parseDateParam(r, "until")
 
-	points, err := s.store.GetAttemptsOverTime(r.Context(), days, since, until)
+	ctx, cancel := dbContext(r)
+	defer cancel()
+
+	points, err := s.store.GetAttemptsOverTime(ctx, days, since, until)
 	if err != nil {
 		s.logger.Error("failed to get attempts over time", "err", err)
 		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
@@ -260,10 +299,13 @@ type apiHourlyPatternResponse struct {
 }
 
 func (s *Server) handleAPIHourlyPattern(w http.ResponseWriter, r *http.Request) {
+	ctx, cancel := dbContext(r)
+	defer cancel()
+
 	since := parseDateParam(r, "since")
 	until := parseDateParam(r, "until")
 
-	counts, err := s.store.GetHourlyPattern(r.Context(), since, until)
+	counts, err := s.store.GetHourlyPattern(ctx, since, until)
 	if err != nil {
 		s.logger.Error("failed to get hourly pattern", "err", err)
 		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
@@ -291,7 +333,10 @@ type apiCountryStatsResponse struct {
 }
 
 func (s *Server) handleAPICountryStats(w http.ResponseWriter, r *http.Request) {
-	counts, err := s.store.GetCountryStats(r.Context())
+	ctx, cancel := dbContext(r)
+	defer cancel()
+
+	counts, err := s.store.GetCountryStats(ctx)
 	if err != nil {
 		s.logger.Error("failed to get country stats", "err", err)
 		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
@@ -310,7 +355,8 @@ func (s *Server) handleAPICountryStats(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *Server) handleFragmentDashboardContent(w http.ResponseWriter, r *http.Request) {
-	ctx := r.Context()
+	ctx, cancel := dbContext(r)
+	defer cancel()
 	f := parseDashboardFilter(r)
 
 	stats, err := s.store.GetFilteredDashboardStats(ctx, f)
@@ -363,7 +409,8 @@ func (s *Server) handleFragmentDashboardContent(w http.ResponseWriter, r *http.R
 }
 
 func (s *Server) handleAPISessionEvents(w http.ResponseWriter, r *http.Request) {
-	ctx := r.Context()
+	ctx, cancel := dbContext(r)
+	defer cancel()
 	sessionID := r.PathValue("id")
 
 	events, err := s.store.GetSessionEvents(ctx, sessionID)

internal/web/static/dashboard.js

@@ -16,6 +16,10 @@
         var until = form.elements['until'].value;
         if (since) params.set('since', since);
         if (until) params.set('until', until);
+        var humanScore = form.elements['human_score'];
+        if (humanScore && humanScore.checked) params.set('human_score', '1');
+        var sortBy = form.elements['sort'];
+        if (sortBy && sortBy.value) params.set('sort', sortBy.value);
         return params.toString();
     }
 
@@ -158,9 +162,14 @@
         var svg = container.querySelector('svg');
         if (!svg) return;
 
-        var paths = svg.querySelectorAll('path[id]');
+        // Remove SVG title to prevent browser native tooltip
-        paths.forEach(function(path) {
+        var svgTitle = svg.querySelector('title');
-            var id = path.id.toLowerCase();
+        if (svgTitle) svgTitle.remove();
+
+        // Select both <path id="xx"> and <g id="xx"> country elements
+        var elements = svg.querySelectorAll('path[id], g[id]');
+        elements.forEach(function(el) {
+            var id = el.id.toLowerCase();
             if (id.charAt(0) === '_') return; // skip non-country paths
 
             var count = lookup[id];
@@ -169,26 +178,34 @@
                 var r = Math.round(30 + intensity * 69);   // 30 -> 99
                 var g = Math.round(30 + intensity * 72);   // 30 -> 102
                 var b = Math.round(62 + intensity * 179);  // 62 -> 241
-                path.style.fill = 'rgb(' + r + ',' + g + ',' + b + ')';
+                var color = 'rgb(' + r + ',' + g + ',' + b + ')';
+                // For <g> elements, color child paths; for <path>, color directly
+                if (el.tagName.toLowerCase() === 'g') {
+                    el.querySelectorAll('path').forEach(function(p) {
+                        p.style.fill = color;
+                    });
+                } else {
+                    el.style.fill = color;
+                }
             }
 
-            path.addEventListener('mouseenter', function(e) {
+            el.addEventListener('mouseenter', function(e) {
                 var cc = id.toUpperCase();
                 var n = lookup[id] || 0;
                 tooltip.textContent = cc + ': ' + n.toLocaleString() + ' attempts';
                 tooltip.style.display = 'block';
             });
 
-            path.addEventListener('mousemove', function(e) {
+            el.addEventListener('mousemove', function(e) {
                 tooltip.style.left = (e.clientX + 12) + 'px';
                 tooltip.style.top = (e.clientY - 10) + 'px';
             });
 
-            path.addEventListener('mouseleave', function() {
+            el.addEventListener('mouseleave', function() {
                 tooltip.style.display = 'none';
             });
 
-            path.addEventListener('click', function() {
+            el.addEventListener('click', function() {
                 var input = document.querySelector('#filter-form input[name="country"]');
                 if (input) {
                     input.value = id.toUpperCase();
@@ -196,7 +213,7 @@
                 }
             });
 
-            path.style.cursor = 'pointer';
+            el.style.cursor = 'pointer';
         });
     }
 
@@ -215,33 +232,20 @@
             if (val) params.set(name, val);
         });
 
+        var humanScore = form.elements['human_score'];
+        if (humanScore && humanScore.checked) params.set('human_score', '1');
+        var sortBy = form.elements['sort'];
+        if (sortBy && sortBy.value) params.set('sort', sortBy.value);
+
         var target = document.getElementById('dashboard-content');
         if (target) {
             var url = '/fragments/dashboard-content?' + params.toString();
             htmx.ajax('GET', url, {target: '#dashboard-content', swap: 'innerHTML'});
         }
 
-        // Client-side filter for recent sessions table
+        // Server-side filter for recent sessions table
-        filterSessionsTable(form);
+        var sessionsUrl = '/fragments/recent-sessions?' + params.toString();
-    }
+        htmx.ajax('GET', sessionsUrl, {target: '#recent-sessions-table tbody', swap: 'innerHTML'});
-
-    function filterSessionsTable(form) {
-        var ip = form.elements['ip'].value.toLowerCase();
-        var country = form.elements['country'].value.toLowerCase();
-        var username = form.elements['username'].value.toLowerCase();
-
-        var rows = document.querySelectorAll('#recent-sessions-table tbody tr');
-        rows.forEach(function(row) {
-            var cells = row.querySelectorAll('td');
-            if (cells.length < 4) { row.style.display = ''; return; }
-
-            var show = true;
-            if (ip && cells[1].textContent.toLowerCase().indexOf(ip) === -1) show = false;
-            if (country && cells[2].textContent.toLowerCase().indexOf(country) === -1) show = false;
-            if (username && cells[3].textContent.toLowerCase().indexOf(username) === -1) show = false;
-
-            row.style.display = show ? '' : 'none';
-        });
     }
 
     window.clearFilters = function() {

internal/web/templates.go

@@ -56,6 +56,20 @@ func templateFuncMap() template.FuncMap {
 			}
 			return s
 		},
+		"formatBytes": func(b int64) string {
+			const (
+				kb = 1024
+				mb = 1024 * kb
+			)
+			switch {
+			case b >= mb:
+				return fmt.Sprintf("%.1f MB", float64(b)/float64(mb))
+			case b >= kb:
+				return fmt.Sprintf("%.1f KB", float64(b)/float64(kb))
+			default:
+				return fmt.Sprintf("%d B", b)
+			}
+		},
 	}
 }
 
@@ -67,6 +81,7 @@ func loadTemplates() (*templateSet, error) {
 		"templates/dashboard.html",
 		"templates/fragments/stats.html",
 		"templates/fragments/active_sessions.html",
+		"templates/fragments/recent_sessions.html",
 	)
 	if err != nil {
 		return nil, fmt.Errorf("parsing dashboard templates: %w", err)

internal/web/templates/dashboard.html

@@ -13,6 +13,10 @@
             <label>Country <input type="text" name="country" placeholder="CN" maxlength="2"></label>
             <label>Username <input type="text" name="username" placeholder="root"></label>
         </div>
+        <div class="grid">
+            <label><input type="checkbox" name="human_score" value="1"> Human score &gt; 0</label>
+            <label>Sort by <select name="sort"><option value="connected_at">Recent</option><option value="input_bytes">Input Bytes</option></select></label>
+        </div>
         <button type="submit">Apply</button>
         <button type="button" class="secondary" onclick="clearFilters()">Clear</button>
     </form>
@@ -61,25 +65,13 @@
                 <th>Username</th>
                 <th>Type</th>
                 <th>Score</th>
+                <th>Input</th>
                 <th>Connected</th>
                 <th>Disconnected</th>
             </tr>
         </thead>
         <tbody>
-            {{range .RecentSessions}}
+            {{template "recent_sessions" .RecentSessions}}
-            <tr>
-                <td><a href="/sessions/{{.ID}}"><code>{{truncateID .ID}}</code></a>{{if gt .EventCount 0}} <mark>replay</mark>{{end}}</td>
-                <td>{{.IP}}</td>
-                <td>{{.Country}}</td>
-                <td>{{.Username}}</td>
-                <td>{{if .ExecCommand}}<mark>exec</mark>{{else}}{{.ShellName}}{{end}}</td>
-                <td>{{if .HumanScore}}{{if gt (derefFloat .HumanScore) 0.6}}<mark>{{formatScore .HumanScore}}</mark>{{else}}{{formatScore .HumanScore}}{{end}}{{else}}-{{end}}</td>
-                <td>{{formatTime .ConnectedAt}}</td>
-                <td>{{if .DisconnectedAt}}{{formatTime (derefTime .DisconnectedAt)}}{{else}}<mark>active</mark>{{end}}</td>
-            </tr>
-            {{else}}
-            <tr><td colspan="8">No sessions</td></tr>
-            {{end}}
         </tbody>
     </table>
 </section>

internal/web/templates/fragments/active_sessions.html

@@ -8,6 +8,7 @@
             <th>Username</th>
             <th>Type</th>
             <th>Score</th>
+            <th>Input</th>
             <th>Connected</th>
         </tr>
     </thead>
@@ -20,10 +21,11 @@
             <td>{{.Username}}</td>
             <td>{{if .ExecCommand}}<mark>exec</mark>{{else}}{{.ShellName}}{{end}}</td>
             <td>{{if .HumanScore}}{{if gt (derefFloat .HumanScore) 0.6}}<mark>{{formatScore .HumanScore}}</mark>{{else}}{{formatScore .HumanScore}}{{end}}{{else}}-{{end}}</td>
+            <td>{{formatBytes .InputBytes}}</td>
             <td>{{formatTime .ConnectedAt}}</td>
         </tr>
         {{else}}
-        <tr><td colspan="7">No active sessions</td></tr>
+        <tr><td colspan="8">No active sessions</td></tr>
         {{end}}
     </tbody>
 </table>

internal/web/templates/fragments/recent_sessions.html

@@ -0,0 +1,17 @@
+{{define "recent_sessions"}}
+{{range .}}
+<tr>
+    <td><a href="/sessions/{{.ID}}"><code>{{truncateID .ID}}</code></a>{{if gt .EventCount 0}} <mark>replay</mark>{{end}}</td>
+    <td>{{.IP}}</td>
+    <td>{{.Country}}</td>
+    <td>{{.Username}}</td>
+    <td>{{if .ExecCommand}}<mark>exec</mark>{{else}}{{.ShellName}}{{end}}</td>
+    <td>{{if .HumanScore}}{{if gt (derefFloat .HumanScore) 0.6}}<mark>{{formatScore .HumanScore}}</mark>{{else}}{{formatScore .HumanScore}}{{end}}{{else}}-{{end}}</td>
+    <td>{{formatBytes .InputBytes}}</td>
+    <td>{{formatTime .ConnectedAt}}</td>
+    <td>{{if .DisconnectedAt}}{{formatTime (derefTime .DisconnectedAt)}}{{else}}<mark>active</mark>{{end}}</td>
+</tr>
+{{else}}
+<tr><td colspan="9">No sessions</td></tr>
+{{end}}
+{{end}}

internal/web/templates/layout.html

@@ -38,7 +38,7 @@
         }
         #world-map svg { width: 100%; height: auto; }
         #world-map svg path { fill: #2a2a3e; stroke: #555; stroke-width: 0.5; transition: fill 0.2s; }
-        #world-map svg path:hover { stroke: #fff; stroke-width: 1; }
+        #world-map svg path:hover, #world-map svg g:hover path { stroke: #fff; stroke-width: 1; }
         nav h1 {
             margin: 0;
         }

internal/web/web.go

@@ -7,7 +7,7 @@ import (
 	"net/http"
 	"strings"
 
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 //go:embed static/*
@@ -47,6 +47,7 @@ func NewServer(store storage.Store, logger *slog.Logger, metricsHandler http.Han
 	s.mux.HandleFunc("GET /fragments/stats", s.handleFragmentStats)
 	s.mux.HandleFunc("GET /fragments/active-sessions", s.handleFragmentActiveSessions)
 	s.mux.HandleFunc("GET /fragments/dashboard-content", s.handleFragmentDashboardContent)
+	s.mux.HandleFunc("GET /fragments/recent-sessions", s.handleFragmentRecentSessions)
 
 	if metricsHandler != nil {
 		h := metricsHandler

internal/web/web_test.go

@@ -10,8 +10,8 @@ import (
 	"testing"
 	"time"
 
-	"git.t-juice.club/torjus/oubliette/internal/metrics"
+	"code.t-juice.club/torjus/oubliette/internal/metrics"
-	"git.t-juice.club/torjus/oubliette/internal/storage"
+	"code.t-juice.club/torjus/oubliette/internal/storage"
 )
 
 func newTestServer(t *testing.T) *Server {
@@ -54,6 +54,30 @@ func newSeededTestServer(t *testing.T) *Server {
 	return srv
 }
 
+func TestDbContextNotCanceled(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	req = req.WithContext(ctx)
+
+	dbCtx, dbCancel := dbContext(req)
+	defer dbCancel()
+
+	// Cancel the original request context.
+	cancel()
+
+	// The DB context should still be usable.
+	select {
+	case <-dbCtx.Done():
+		t.Fatal("dbContext should not be canceled when request context is canceled")
+	default:
+	}
+
+	// Verify the DB context has a deadline (from the timeout).
+	if _, ok := dbCtx.Deadline(); !ok {
+		t.Error("dbContext should have a deadline")
+	}
+}
+
 func TestDashboardHandler(t *testing.T) {
 	t.Run("empty store", func(t *testing.T) {
 		srv := newTestServer(t)

oubliette.toml.example

@@ -34,6 +34,16 @@ password = "admin"
 # password = "cisco"
 # shell = "cisco"
 
+# [[auth.static_credentials]]
+# username = "irobot"
+# password = "roomba"
+# shell = "roomba"
+
+# [[auth.static_credentials]]
+# username = "player"
+# password = "tetris"
+# shell = "tetris"
+
 [storage]
 db_path = "oubliette.db"
 retention_days = 90
@@ -75,6 +85,12 @@ hostname = "ubuntu-server"
 # db_name = "postgres"
 # pg_version = "15.4"
 
+# [shell.roomba]
+# No configuration options currently.
+
+# [shell.tetris]
+# difficulty = "normal"  # "easy" (slower start), "normal" (standard), "hard" (start at level 5)
+
 # [detection]
 # enabled = true
 # threshold = 0.6          # 0.0–1.0, sessions above this trigger notifications