feature/refactor did state (#10)

* feat(did): remove account types

* feat: Refactor Property to Proof in zkprop.go

* feat: add ZKP proof mechanism for verifications

* fix: return bool and error from pinInitialVault

* feat: implement KeyshareSet for managing user and validator keyshares

* feat: Update Credential type in protobuf

* feat: update credential schema with sign count

* feat: migrate  and  modules to middleware

* refactor: rename vault module to ORM

* chore(dwn): add service worker registration to index template

* feat: integrate service worker for offline functionality

* refactor(did): use DIDNamespace enum for verification method in proto reflection

* refactor: update protobuf definitions to support Keyshare

* feat: expose did keeper in app keepers

* Add Motr Web App

* refactor: rename motr/handlers/discovery.go to motr/handlers/openid.go

* refactor: move session related code to middleware

* feat: add database operations for managing assets, chains, and credentials

* feat: add htmx support for UI updates

* refactor: extract common helper scripts

* chore: remove unused storage GUI components

* refactor: Move frontend rendering to dedicated handlers

* refactor: rename  to

* refactor: move alert implementation to templ

* feat: add alert component with icon, title, and message

* feat: add new RequestHeaders struct to store request headers

* Feature/create home view (#9)

* refactor: move view logic to new htmx handler

* refactor: remove unnecessary dependencies

* refactor: remove unused dependencies

* feat(devbox): integrate air for local development

* feat: implement openid connect discovery document

* refactor: rename  to

* refactor(did): update service handling to support DNS discovery

* feat: add support for user and validator keyshares

* refactor: move keyshare signing logic to signer

internal/mdw/session.go

@@ -0,0 +1,71 @@
+package mdw
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/donseba/go-htmx"
+	"github.com/labstack/echo/v4"
+	"github.com/onsonr/sonr/internal/db"
+	"github.com/segmentio/ksuid"
+)
+
+// UseSession establishes a Session Cookie.
+func UseSession(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		sc := newSession(c)
+		bindRequestHeaders(sc)
+		return next(sc)
+	}
+}
+
+// GetSession returns the current Session
+func GetSession(c echo.Context) *Session {
+	return c.(*Session)
+}
+
+type Session struct {
+	echo.Context
+	htmx *htmx.HTMX
+	dB   *db.DB
+}
+
+func (c *Session) ID() string {
+	return readCookie(c, "session")
+}
+
+func (c *Session) Htmx() *htmx.HTMX {
+	return c.htmx
+}
+
+func (c *Session) DB() *db.DB {
+	return c.dB
+}
+
+func newSession(c echo.Context) *Session {
+	s := &Session{Context: c}
+	if val := readCookie(c, "session"); val == "" {
+		id := ksuid.New().String()
+		writeCookie(c, "session", id)
+	}
+	return s
+}
+
+func readCookie(c echo.Context, key string) string {
+	cookie, err := c.Cookie(key)
+	if err != nil {
+		return ""
+	}
+	if cookie == nil {
+		return ""
+	}
+	return cookie.Value
+}
+
+func writeCookie(c echo.Context, key string, value string) {
+	cookie := new(http.Cookie)
+	cookie.Name = key
+	cookie.Value = value
+	cookie.Expires = time.Now().Add(24 * time.Hour)
+	c.SetCookie(cookie)
+}