Files
noema/internal/ui/ui.go
T
Andy Dixon 2ac8752bac Phase 14: dreaming as an opt-in, budgeted, non-acting idle mode
- dreaming.Service: deterministic memory replay sample keyed by dream id,
  vocabulary-based association of unlinked memory pairs (similar_to edges +
  dream_association events), speculative hypotheses as hypothesis-kind beliefs
  with two weak memory citations (starts ~0.30, asserted <= 0.35)
- Run marks the context forbidden for capabilities before anything else;
  test proves Invoke refuses inside a dream
- per-mind settings: enabled (default off), hours window (wraps midnight),
  interval, model-call / memory / hypothesis caps; global pause switch
- optional model wording via new `dream` prompt (role hypothesise)
- promotion adds operator evidence, rejection retracts the belief; both
  audited and recorded as operator actions
- migration 0014, API, Dreams tab and page, noemactl dreams, docs/dreaming.md
2026-07-01 21:12:13 +01:00

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// Package ui serves the server-rendered administration interface. Every page
// is a Go handler plus an html/template; live updates reuse the same templates
// through SSE fragments (ADR-0007).
package ui
import (
"bytes"
"encoding/base64"
"encoding/json"
"fmt"
"html/template"
"io/fs"
"net/http"
"net/url"
"os"
"strings"
"time"
"github.com/andydixon/noema/internal/api"
"github.com/andydixon/noema/internal/app"
"github.com/andydixon/noema/internal/attention"
"github.com/andydixon/noema/internal/auth"
"github.com/andydixon/noema/internal/beliefs"
"github.com/andydixon/noema/internal/capabilities"
"github.com/andydixon/noema/internal/consolidation"
"github.com/andydixon/noema/internal/conversation"
"github.com/andydixon/noema/internal/goals"
"github.com/andydixon/noema/internal/graph"
"github.com/andydixon/noema/internal/llm"
"github.com/andydixon/noema/internal/minds"
"github.com/andydixon/noema/internal/motivation"
"github.com/andydixon/noema/internal/predictions"
"github.com/andydixon/noema/internal/reflection"
"github.com/andydixon/noema/internal/version"
"github.com/andydixon/noema/pkg/concepts"
"github.com/andydixon/noema/pkg/ids"
"github.com/andydixon/noema/web"
)
// UI holds handlers and the parsed template set.
type UI struct {
deps app.Deps
pages map[string]*template.Template
static fs.FS
statusF func(r *http.Request) any // system status provider injected by api
ctxF func(r *http.Request, id ids.ID) (api.EventContext, error) // event forensic context, shared with api
wsF func(r *http.Request, m minds.Mind) (api.WorkspaceView, error)
memF func(r *http.Request, mind, id ids.ID) (api.MemoryDetail, error)
belF func(r *http.Request, mind, id ids.ID) (api.BeliefDetail, error)
emitF func() beliefs.Emitter
postF func(r *http.Request, mind ids.ID, conv conversation.Conversation, text, who string) (conversation.Message, error)
goalF func(r *http.Request, n goals.New) (goals.Goal, error)
goalUpdF func(r *http.Request, mind, id ids.ID, u goals.Update) (goals.Goal, error)
predF func(r *http.Request, n predictions.New) (predictions.Prediction, error)
resolveF func(r *http.Request, mind, id ids.ID, outcome predictions.Status, reason string) (predictions.Result, error)
resetF func(r *http.Request, mind ids.ID) (motivation.State, error)
consolF func(r *http.Request, mind ids.ID) (consolidation.Job, error)
reflF func(r *http.Request, mind ids.ID) (reflection.Reflection, error)
entF func(r *http.Request, mind, id ids.ID) (api.EntityDetail, error)
mergeF func(r *http.Request, mind ids.ID, e graph.Entity, other string) error
distinctF func(r *http.Request, mind ids.ID, e graph.Entity, other string) error
policyF func(r *http.Request, p capabilities.Policy) (capabilities.Policy, error)
decideF func(r *http.Request, id ids.ID, decision, note string, params map[string]any) (any, error)
}
// Actions groups the server-side operations the UI delegates to the API layer
// so both surfaces share one implementation and one audit path.
type Actions struct {
Status func(r *http.Request) any
Context func(r *http.Request, id ids.ID) (api.EventContext, error)
Workspace func(r *http.Request, m minds.Mind) (api.WorkspaceView, error)
Memory func(r *http.Request, mind, id ids.ID) (api.MemoryDetail, error)
Belief func(r *http.Request, mind, id ids.ID) (api.BeliefDetail, error)
Emitter func() beliefs.Emitter
Post func(r *http.Request, mind ids.ID, conv conversation.Conversation, text, who string) (conversation.Message, error)
Goal func(r *http.Request, n goals.New) (goals.Goal, error)
GoalUpdate func(r *http.Request, mind, id ids.ID, u goals.Update) (goals.Goal, error)
Predict func(r *http.Request, n predictions.New) (predictions.Prediction, error)
Resolve func(r *http.Request, mind, id ids.ID, outcome predictions.Status, reason string) (predictions.Result, error)
ResetState func(r *http.Request, mind ids.ID) (motivation.State, error)
Consolidate func(r *http.Request, mind ids.ID) (consolidation.Job, error)
Reflect func(r *http.Request, mind ids.ID) (reflection.Reflection, error)
Entity func(r *http.Request, mind, id ids.ID) (api.EntityDetail, error)
Merge func(r *http.Request, mind ids.ID, e graph.Entity, other string) error
Distinct func(r *http.Request, mind ids.ID, e graph.Entity, other string) error
Policy func(r *http.Request, p capabilities.Policy) (capabilities.Policy, error)
Decide func(r *http.Request, id ids.ID, decision, note string, params map[string]any) (any, error)
}
// View is the data passed to every template.
type View struct {
Title string
Path string
Principal *auth.Principal
CSRF string
Flash *Flash
Version string
Unread int64 // unread notifications, for the navigation badge
Data any
}
// Flash is a one-shot message shown on the next page load.
type Flash struct{ Kind, Message string }
const flashCookie = "noema_flash"
// New parses templates. In development, when ./web exists on disk, templates
// and static files are read from disk so edits show without a rebuild.
func New(deps app.Deps, a Actions) (*UI, error) {
tmplFS, staticFS := web.Templates(), web.Static()
if !deps.Config.Production() {
if st, err := os.Stat("web/templates"); err == nil && st.IsDir() {
tmplFS, staticFS = os.DirFS("web/templates"), os.DirFS("web/static")
deps.Log.Info("ui: serving templates and static files from ./web (development)")
}
}
u := &UI{deps: deps, static: staticFS, statusF: a.Status, ctxF: a.Context, wsF: a.Workspace, memF: a.Memory, belF: a.Belief, emitF: a.Emitter, postF: a.Post, goalF: a.Goal, goalUpdF: a.GoalUpdate, predF: a.Predict, resolveF: a.Resolve, resetF: a.ResetState, consolF: a.Consolidate, reflF: a.Reflect, entF: a.Entity, mergeF: a.Merge, distinctF: a.Distinct, policyF: a.Policy, decideF: a.Decide}
if err := u.parse(tmplFS); err != nil {
return nil, err
}
return u, nil
}
func (u *UI) parse(fsys fs.FS) error {
funcs := template.FuncMap{
"hasPrefix": strings.HasPrefix,
"hasSuffix": strings.HasSuffix,
"roles": auth.AllRoles,
"date": func(t time.Time) string { return t.Local().Format("2006-01-02 15:04") },
"ago": ago,
"duration": func(s int64) string { return (time.Duration(s) * time.Second).Truncate(time.Second).String() },
"bytes": humanBytes,
"pct": func(f float64) string { return fmt.Sprintf("%.0f%%", f*100) },
"conf": func(v any) string {
switch x := v.(type) {
case float64:
return fmt.Sprintf("%.2f", x)
case float32:
return fmt.Sprintf("%.2f", x)
case *float64:
if x != nil {
return fmt.Sprintf("%.2f", *x)
}
}
return "–"
},
"inc": func(i int) int { return i + 1 },
"deref": func(v any) any {
switch x := v.(type) {
case *float64:
if x == nil {
return 0.0
}
return *x
case *bool:
if x == nil {
return false
}
return *x
}
return v
},
"title": func(s string) string { s = strings.ReplaceAll(s, "_", " "); return strings.ToUpper(s[:1]) + s[1:] },
"valueKeys": func() []string { return minds.ValueKeys },
"features": func() []string { return minds.AttentionFeatures },
"memoryKinds": func() []concepts.MemoryKind { return concepts.AllMemoryKinds },
"epistemicKinds": func() []concepts.Epistemic { return concepts.AllEpistemic },
"relations": func() []concepts.Relation { return concepts.AllRelations },
"llmRoles": func() []llm.RoleInfo { return llm.Roles },
"pretty": prettyRaw,
"entityKinds": func() []graph.Kind { return graph.AllKinds },
"jsonOf": func(v any) json.RawMessage {
b, _ := json.Marshal(v)
return b
},
"join": strings.Join,
"outputs": func(raw json.RawMessage) []consolidation.Output {
var out []consolidation.Output
json.Unmarshal(raw, &out) //nolint:errcheck
return out
},
"affectMap": func(a motivation.Affect) map[string]float64 {
return map[string]float64{"valence": a.Valence, "arousal": a.Arousal, "curiosity": a.Curiosity, "concern": a.Concern, "frustration": a.Frustration, "confidence": a.Confidence, "uncertainty": a.Uncertainty, "engagement": a.Engagement, "task_pressure": a.TaskPressure, "load": a.Load}
},
"valencePos": func(v float64) float64 {
if v < 0 {
return 0.5 + v/2
}
return 0.5
},
"valenceWidth": func(v float64) float64 {
if v < 0 {
return -v / 2
}
return v / 2
},
"deref_id": func(id *ids.ID) ids.ID {
if id == nil {
return ids.Nil
}
return *id
},
"deref_int": func(i *int) int {
if i == nil {
return 0
}
return *i
},
"has_id": func(list []ids.ID, id ids.ID) bool {
for _, x := range list {
if x == id {
return true
}
}
return false
},
"beliefStatuses": func() []beliefs.Status {
return []beliefs.Status{beliefs.StatusHypothesis, beliefs.StatusTentative, beliefs.StatusLikely, beliefs.StatusAccepted, beliefs.StatusContested, beliefs.StatusRejected, beliefs.StatusSuperseded}
},
"trunc": func(s string, n int) string {
if len(s) > n {
return s[:n] + "…"
}
return s
},
"candSummary": func(s string) string {
if i := strings.Index(s, "] "); i > 0 && strings.HasPrefix(s, "[") {
return s[i+2:]
}
return s
},
"payloadField": func(raw json.RawMessage, field string) string {
var m map[string]any
if json.Unmarshal(raw, &m) != nil {
return ""
}
return fmt.Sprint(m[field])
},
"breakdownOf": func(raw json.RawMessage) *attention.Breakdown {
var p struct {
Breakdown attention.Breakdown `json:"breakdown"`
}
if json.Unmarshal(raw, &p) != nil || len(p.Breakdown.Terms) == 0 {
return nil
}
return &p.Breakdown
},
"traitKeys": func() []string { return minds.TraitKeys },
"dict": func(kv ...any) map[string]any {
m := map[string]any{}
for i := 0; i+1 < len(kv); i += 2 {
m[fmt.Sprint(kv[i])] = kv[i+1]
}
return m
},
}
base, err := template.New("base").Funcs(funcs).ParseFS(fsys, "layout.html")
if err != nil {
return fmt.Errorf("ui: parse layout: %w", err)
}
if partials, _ := fs.Glob(fsys, "partials/*.html"); len(partials) > 0 {
if _, err := base.ParseFS(fsys, partials...); err != nil {
return fmt.Errorf("ui: parse partials: %w", err)
}
}
pages, err := fs.Glob(fsys, "pages/*.html")
if err != nil {
return err
}
u.pages = map[string]*template.Template{}
for _, p := range pages {
t, err := base.Clone()
if err != nil {
return err
}
if _, err := t.ParseFS(fsys, p); err != nil {
return fmt.Errorf("ui: parse %s: %w", p, err)
}
u.pages[strings.TrimPrefix(strings.TrimSuffix(p, ".html"), "pages/")] = t
}
return nil
}
// render executes a page template. Rendering into a buffer first means a
// template error yields a proper 500 instead of a half-written page.
func (u *UI) render(w http.ResponseWriter, r *http.Request, page, title string, data any) {
t, ok := u.pages[page]
if !ok {
http.Error(w, "template not found: "+page, http.StatusInternalServerError)
return
}
v := View{Title: title, Path: r.URL.Path, Version: version.Version, Data: data}
if p, ok := auth.PrincipalFrom(r.Context()); ok {
v.Principal = &p
if tok, err := u.deps.Auth.CSRFToken(r.Context(), p.SessionID); err == nil {
v.CSRF = tok
}
if u.deps.Notifications != nil {
v.Unread, _ = u.deps.Notifications.CountNew(r.Context(), ids.Nil)
}
}
if c, err := r.Cookie(flashCookie); err == nil && c.Value != "" {
if raw, err := base64.RawURLEncoding.DecodeString(c.Value); err == nil {
if kind, msg, ok := strings.Cut(string(raw), "|"); ok {
v.Flash = &Flash{Kind: kind, Message: msg}
}
}
http.SetCookie(w, &http.Cookie{Name: flashCookie, Path: "/", MaxAge: -1, HttpOnly: true, SameSite: http.SameSiteLaxMode})
}
var buf bytes.Buffer
if err := t.ExecuteTemplate(&buf, "layout", v); err != nil {
u.deps.Log.Error("template execution failed", "page", page, "err", err)
http.Error(w, "template error", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Header().Set("Cache-Control", "no-store")
buf.WriteTo(w) //nolint:errcheck
}
// flash stores a one-shot message and redirects.
func (u *UI) flash(w http.ResponseWriter, r *http.Request, kind, msg, to string) {
val := base64.RawURLEncoding.EncodeToString([]byte(kind + "|" + msg))
http.SetCookie(w, &http.Cookie{Name: flashCookie, Value: val, Path: "/", MaxAge: 60, HttpOnly: true, SameSite: http.SameSiteLaxMode, Secure: u.deps.Config.Production()})
http.Redirect(w, r, to, http.StatusSeeOther)
}
func (u *UI) errorPage(w http.ResponseWriter, r *http.Request, status int, msg string) {
w.WriteHeader(status)
u.render(w, r, "error", http.StatusText(status), map[string]any{"Status": status, "Message": msg})
}
// uiAuthFail redirects anonymous users to login and shows 403 to others.
func (u *UI) uiAuthFail(w http.ResponseWriter, r *http.Request, authenticated bool) {
if authenticated {
u.errorPage(w, r, http.StatusForbidden, "Your role does not permit this page.")
return
}
next := ""
if r.Method == http.MethodGet && r.URL.Path != "/" {
next = "?next=" + url.QueryEscape(r.URL.RequestURI())
}
http.Redirect(w, r, "/login"+next, http.StatusSeeOther)
}
func (u *UI) require(min auth.Role, h http.HandlerFunc) http.Handler {
return auth.RequireRole(min, u.uiAuthFail)(h)
}
// Register mounts all UI routes.
func (u *UI) Register(m *http.ServeMux) {
m.Handle("GET /static/", http.StripPrefix("/static/", cacheStatic(http.FileServerFS(u.static))))
m.HandleFunc("GET /login", u.loginForm)
m.HandleFunc("POST /login", u.loginSubmit)
m.HandleFunc("POST /logout", u.logout)
m.HandleFunc("GET /setup", u.setupForm)
m.HandleFunc("POST /setup", u.setupSubmit)
m.HandleFunc("GET /about", func(w http.ResponseWriter, r *http.Request) { u.render(w, r, "about", "Interpretation boundary", nil) })
m.Handle("GET /{$}", u.require(auth.RoleObserver, u.dashboard))
m.Handle("GET /system", u.require(auth.RoleObserver, u.system))
m.Handle("GET /audit", u.require(auth.RoleOperator, u.audit))
m.Handle("GET /account", u.require(auth.RoleObserver, u.account))
m.Handle("POST /account/password", u.require(auth.RoleObserver, u.accountPassword))
m.Handle("POST /account/sessions/{id}/revoke", u.require(auth.RoleObserver, u.accountSessionRevoke))
m.Handle("POST /account/tokens", u.require(auth.RoleObserver, u.accountTokenCreate))
m.Handle("POST /account/tokens/{id}/revoke", u.require(auth.RoleObserver, u.accountTokenRevoke))
m.Handle("GET /admin/users", u.require(auth.RoleAdministrator, u.users))
m.Handle("POST /admin/users", u.require(auth.RoleAdministrator, u.usersCreate))
m.Handle("POST /admin/users/{id}", u.require(auth.RoleAdministrator, u.usersUpdate))
u.mindRoutes(m)
u.eventRoutes(m)
u.memoryRoutes(m)
u.beliefRoutes(m)
u.llmRoutes(m)
u.conversationRoutes(m)
u.motivationRoutes(m)
u.cognitionRoutes(m)
u.graphRoutes(m)
u.capabilityRoutes(m)
u.integrationRoutes(m)
u.dreamRoutes(m)
for _, p := range []struct{ path, title, note string }{} {
m.Handle("GET "+p.path, u.require(auth.RoleObserver, func(w http.ResponseWriter, r *http.Request) { u.render(w, r, "placeholder", p.title, p.note) }))
}
}
func cacheStatic(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Cache-Control", "public, max-age=300")
h.ServeHTTP(w, r)
})
}
func ago(t any) string {
var tm time.Time
switch v := t.(type) {
case time.Time:
tm = v
case *time.Time:
if v == nil {
return "never"
}
tm = *v
default:
return ""
}
d := time.Since(tm)
switch {
case d < time.Minute:
return "just now"
case d < time.Hour:
return fmt.Sprintf("%dm ago", int(d.Minutes()))
case d < 48*time.Hour:
return fmt.Sprintf("%dh ago", int(d.Hours()))
default:
return fmt.Sprintf("%dd ago", int(d.Hours()/24))
}
}
func humanBytes(n uint64) string {
const unit = 1024
if n < unit {
return fmt.Sprintf("%d B", n)
}
div, exp := uint64(unit), 0
for m := n / unit; m >= unit; m /= unit {
div *= unit
exp++
}
return fmt.Sprintf("%.1f %ciB", float64(n)/float64(div), "KMGTPE"[exp])
}