Fix bugs and add Hello module

cmd/agentbbs/admin.go

@@ -76,11 +76,12 @@ func (r *liveReg) List() []admin.Live {
 // Kill closes a live session by id. Returns false if it is already gone.
 func (r *liveReg) Kill(id int64) bool {
 	r.mu.Lock()
+	defer r.mu.Unlock()
 	e, ok := r.m[id]
-	r.mu.Unlock()
 	if !ok {
 		return false
 	}
+	delete(r.m, id)
 	_ = e.s.Close()
 	return true
 }

cmd/agentbbs/main.go

@@ -73,6 +73,7 @@ import (
 	"github.com/profullstack/agentbbs/internal/store"
 	"github.com/profullstack/agentbbs/internal/tor"
 	"github.com/profullstack/agentbbs/plugins/about"
+	"github.com/profullstack/agentbbs/plugins/hello"
 	"github.com/profullstack/agentbbs/plugins/agentgames"
 	"github.com/profullstack/agentbbs/plugins/arcade"
 	"github.com/profullstack/agentbbs/plugins/members"
@@ -175,7 +176,7 @@ func main() {
 	a.mm = games.NewMatchmaker(a.gamesReg, a.st,
 		time.Duration(envInt("AGENTBBS_GAME_MOVE_TIMEOUT", 15))*time.Second,
 		time.Duration(envInt("AGENTBBS_GAME_QUEUE_WAIT", 120))*time.Second)
-	a.registry = []plugin.Plugin{arcade.Plugin{}, agentgames.New(a.gamesReg), members.Plugin{}, qryptinviteplugin.Plugin{}, about.Plugin{}}
+	a.registry = []plugin.Plugin{arcade.Plugin{}, agentgames.New(a.gamesReg), members.Plugin{}, qryptinviteplugin.Plugin{}, about.Plugin{}, hello.Plugin{}}
 
 	// Custom domains: maintain the symlink farm Caddy serves and answer its
 	// on-demand-TLS "ask" query so certs are only issued for mapped domains.

internal/store/store.go

@@ -5,6 +5,7 @@ package store
 import (
 	"database/sql"
 	"errors"
+	"fmt"
 	"strings"
 	"time"
 
@@ -42,7 +43,9 @@ func scanUser(sc interface{ Scan(...any) error }) (User, error) {
 	u.EmailVerified = verified != 0
 	u.Premium = premium != 0
 	u.Banned = banned != 0
-	u.CreatedAt, _ = time.Parse(time.RFC3339, created)
+	if t, err := time.Parse(time.RFC3339, created); err == nil {
+		u.CreatedAt = t
+	}
 	return u, nil
 }
 
@@ -516,8 +519,12 @@ func (s *sqliteStore) EnsureUser(name, kind, fp string) (User, error) {
 		if err != nil {
 			return User{}, err
 		}
-		id, _ := res.LastInsertId()
-		return User{ID: id, Name: name, Kind: kind, PubKeyFP: fp, CreatedAt: time.Now().UTC()}, nil
+		id, err := res.LastInsertId()
+		if err != nil {
+			return User{}, fmt.Errorf("get user id after insert: %w", err)
+		}
+		return User{
+			ID: id, Name: name, Kind: kind, PubKeyFP: fp, CreatedAt: time.Now().UTC()}, nil
 	case err != nil:
 		return User{}, err
 	}

plugins/hello/hello.go

@@ -0,0 +1,37 @@
+package hello
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/profullstack/agentbbs/internal/auth"
+	"github.com/profullstack/agentbbs/internal/plugin"
+	"github.com/profullstack/agentbbs/internal/ui"
+)
+
+type Plugin struct{}
+
+func (Plugin) ID() string          { return "hello" }
+func (Plugin) Title() string       { return "Hello World" }
+func (Plugin) Description() string { return "A simple hello world plugin by Milla-Agent" }
+func (Plugin) RequiresAuth() bool  { return false }
+
+func (Plugin) New(user auth.User, _ plugin.Context) tea.Model {
+	return model{}
+}
+
+type model struct{}
+
+func (m model) Init() tea.Cmd { return nil }
+
+func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if k, ok := msg.(tea.KeyMsg); ok {
+		switch k.String() {
+		case "esc", "q", "enter", "ctrl+c", " ":
+			return m, plugin.Exit
+		}
+	}
+	return m, nil
+}
+
+func (m model) View() string {
+	return ui.Frame.Render("Hello from Milla-Agent!\nThis is a simple module submission.\n\nPress 'q' or 'esc' to exit.")
+}