feat: updated identity providers in admin panel

backend/cmd/server/main.go

@@ -117,6 +117,8 @@ func main() {
 	adminService := services.NewAdminService(
 		db.UserRepo,
 		db.GroupRepo,
+		db.ProviderRepo,
+		db.LinkRepo,
 		db.SpaceRepo,
 		db.MembershipRepo,
 		db.NoteRepo,
@@ -255,10 +257,12 @@ func main() {
 		})
 	})
 	admin.HandleFunc("/users", adminHandler.ListUsers).Methods("GET")
+	admin.HandleFunc("/users/{userId}", adminHandler.DeleteUser).Methods("DELETE")
 	admin.HandleFunc("/users/{userId}/groups", adminHandler.UpdateUserGroups).Methods("PUT")
 	admin.HandleFunc("/groups", adminHandler.ListGroups).Methods("GET")
 	admin.HandleFunc("/groups", adminHandler.CreateGroup).Methods("POST")
 	admin.HandleFunc("/groups/{groupId}", adminHandler.UpdateGroup).Methods("PUT")
+	admin.HandleFunc("/groups/{groupId}", adminHandler.DeleteGroup).Methods("DELETE")
 	admin.HandleFunc("/spaces", adminHandler.ListAllSpaces).Methods("GET")
 	admin.HandleFunc("/spaces/{spaceId}", adminHandler.UpdateSpace).Methods("PUT")
 	admin.HandleFunc("/spaces/{spaceId}", adminHandler.DeleteSpace).Methods("DELETE")
@@ -270,6 +274,8 @@ func main() {
 	admin.HandleFunc("/feature-flags", adminHandler.UpdateFeatureFlags).Methods("PUT")
 	// manage identity providers — admin-only
 	admin.HandleFunc("/auth/providers", authHandler.CreateProvider).Methods("POST")
+	admin.HandleFunc("/auth/providers/{providerId}", authHandler.UpdateProvider).Methods("PUT")
+	admin.HandleFunc("/auth/providers/{providerId}", adminHandler.DeleteProvider).Methods("DELETE")
 
 	// Serve static files (frontend) for all other routes
 	// This must be after all API route handlers to allow API routes to take precedence

backend/internal/application/dto/dto.go

@@ -57,6 +57,21 @@ type CreateAuthProviderRequest struct {
 	IsActive         bool     `json:"is_active"`
 }
 
+// UpdateAuthProviderRequest represents an OAuth/OIDC provider update request.
+// ClientSecret may be empty to keep the existing secret.
+type UpdateAuthProviderRequest struct {
+	Name             string   `json:"name"`
+	Type             string   `json:"type"`
+	ClientID         string   `json:"client_id"`
+	ClientSecret     string   `json:"client_secret"`
+	AuthorizationURL string   `json:"authorization_url"`
+	TokenURL         string   `json:"token_url"`
+	UserInfoURL      string   `json:"userinfo_url"`
+	Scopes           []string `json:"scopes"`
+	IDTokenClaim     string   `json:"id_token_claim,omitempty"`
+	IsActive         bool     `json:"is_active"`
+}
+
 // FeatureFlagsDTO represents app-wide feature flags in API responses.
 type FeatureFlagsDTO struct {
 	RegistrationEnabled  bool   `json:"registration_enabled"`

backend/internal/application/services/admin_service.go

@@ -17,6 +17,8 @@ import (
 type AdminService struct {
 	userRepo          repositories.UserRepository
 	groupRepo         repositories.GroupRepository
+	providerRepo      repositories.AuthProviderRepository
+	linkRepo          repositories.UserProviderLinkRepository
 	spaceRepo         repositories.SpaceRepository
 	membershipRepo    repositories.MembershipRepository
 	noteRepo          repositories.NoteRepository
@@ -30,6 +32,8 @@ type AdminService struct {
 func NewAdminService(
 	userRepo repositories.UserRepository,
 	groupRepo repositories.GroupRepository,
+	providerRepo repositories.AuthProviderRepository,
+	linkRepo repositories.UserProviderLinkRepository,
 	spaceRepo repositories.SpaceRepository,
 	membershipRepo repositories.MembershipRepository,
 	noteRepo repositories.NoteRepository,
@@ -41,6 +45,8 @@ func NewAdminService(
 	return &AdminService{
 		userRepo:          userRepo,
 		groupRepo:         groupRepo,
+		providerRepo:      providerRepo,
+		linkRepo:          linkRepo,
 		spaceRepo:         spaceRepo,
 		membershipRepo:    membershipRepo,
 		noteRepo:          noteRepo,
@@ -51,6 +57,114 @@ func NewAdminService(
 	}
 }
 
+// DeleteUser deletes a user and related memberships/provider links.
+func (s *AdminService) DeleteUser(ctx context.Context, currentUserID, targetUserID bson.ObjectID) error {
+	if currentUserID == targetUserID {
+		return errors.New("you cannot delete your own account")
+	}
+
+	spaces, err := s.spaceRepo.GetAllSpaces(ctx)
+	if err != nil {
+		return err
+	}
+	for _, space := range spaces {
+		if space.OwnerID == targetUserID {
+			return errors.New("cannot delete user that owns spaces; transfer or delete spaces first")
+		}
+	}
+
+	memberships, err := s.membershipRepo.GetUserMemberships(ctx, targetUserID)
+	if err == nil {
+		for _, membership := range memberships {
+			if err := s.membershipRepo.DeleteMembership(ctx, membership.ID); err != nil {
+				return err
+			}
+		}
+	}
+
+	if s.linkRepo != nil {
+		links, err := s.linkRepo.GetUserLinks(ctx, targetUserID)
+		if err == nil {
+			for _, link := range links {
+				if err := s.linkRepo.DeleteLink(ctx, link.ID); err != nil {
+					return err
+				}
+			}
+		}
+	}
+
+	return s.userRepo.DeleteUser(ctx, targetUserID)
+}
+
+// DeleteGroup deletes a non-system group and removes it from users.
+func (s *AdminService) DeleteGroup(ctx context.Context, groupID bson.ObjectID) error {
+	group, err := s.groupRepo.GetGroupByID(ctx, groupID)
+	if err != nil {
+		return err
+	}
+	if group.IsSystem {
+		return errors.New("system groups cannot be deleted")
+	}
+
+	users, err := s.userRepo.ListAllUsers(ctx)
+	if err != nil {
+		return err
+	}
+	for _, user := range users {
+		filtered := make([]bson.ObjectID, 0, len(user.GroupIDs))
+		changed := false
+		for _, assignedGroupID := range user.GroupIDs {
+			if assignedGroupID == groupID {
+				changed = true
+				continue
+			}
+			filtered = append(filtered, assignedGroupID)
+		}
+		if !changed {
+			continue
+		}
+		user.GroupIDs = filtered
+		if err := s.userRepo.UpdateUser(ctx, user); err != nil {
+			return err
+		}
+	}
+
+	if err := s.groupRepo.DeleteGroup(ctx, groupID); err != nil {
+		return err
+	}
+
+	return s.refreshAllUserPermissions(ctx)
+}
+
+// DeleteProvider deletes an auth provider and all user-provider links connected to it.
+func (s *AdminService) DeleteProvider(ctx context.Context, providerID bson.ObjectID) error {
+	if s.providerRepo == nil {
+		return errors.New("provider repository unavailable")
+	}
+
+	if s.linkRepo != nil {
+		users, err := s.userRepo.ListAllUsers(ctx)
+		if err != nil {
+			return err
+		}
+		for _, user := range users {
+			links, err := s.linkRepo.GetUserLinks(ctx, user.ID)
+			if err != nil {
+				continue
+			}
+			for _, link := range links {
+				if link.ProviderID == providerID {
+					if err := s.linkRepo.DeleteLink(ctx, link.ID); err != nil {
+						return err
+					}
+				}
+			}
+		}
+	}
+
+	return s.providerRepo.DeleteProvider(ctx, providerID)
+}
+
 // ListUsers returns all users as admin DTOs
 func (s *AdminService) ListUsers(ctx context.Context) ([]*dto.AdminUserDTO, error) {
 	users, err := s.userRepo.ListAllUsers(ctx)

backend/internal/application/services/auth_service.go

@@ -319,6 +319,57 @@ func (s *AuthService) CreateProvider(ctx context.Context, req *dto.CreateAuthPro
 	return dto.NewAuthProviderDTO(provider), nil
 }
 
+// UpdateProvider updates an existing OAuth/OIDC provider.
+// If ClientSecret is empty, the existing encrypted secret is preserved.
+func (s *AuthService) UpdateProvider(ctx context.Context, providerID bson.ObjectID, req *dto.UpdateAuthProviderRequest) (*dto.AuthProviderDTO, error) {
+	if s.providerRepo == nil || s.encryptor == nil {
+		return nil, errors.New("provider configuration unavailable")
+	}
+
+	existing, err := s.providerRepo.GetProviderByID(ctx, providerID)
+	if err != nil {
+		return nil, err
+	}
+
+	providerType := strings.ToLower(strings.TrimSpace(req.Type))
+	if providerType != "oidc" && providerType != "oauth2" {
+		return nil, errors.New("provider type must be oidc or oauth2")
+	}
+
+	name := strings.TrimSpace(req.Name)
+	clientID := strings.TrimSpace(req.ClientID)
+	authorizationURL := strings.TrimSpace(req.AuthorizationURL)
+	tokenURL := strings.TrimSpace(req.TokenURL)
+	if name == "" || clientID == "" || authorizationURL == "" || tokenURL == "" {
+		return nil, errors.New("missing required provider fields")
+	}
+
+	existing.Name = name
+	existing.Type = providerType
+	existing.ClientID = clientID
+	existing.AuthorizationURL = authorizationURL
+	existing.TokenURL = tokenURL
+	existing.UserInfoURL = strings.TrimSpace(req.UserInfoURL)
+	existing.Scopes = normalizeScopes(req.Scopes, providerType)
+	existing.IDTokenClaim = strings.TrimSpace(req.IDTokenClaim)
+	existing.IsActive = req.IsActive
+
+	clientSecret := strings.TrimSpace(req.ClientSecret)
+	if clientSecret != "" {
+		encrypted, err := s.encryptor.Encrypt(clientSecret)
+		if err != nil {
+			return nil, err
+		}
+		existing.ClientSecret = encrypted
+	}
+
+	if err := s.providerRepo.UpdateProvider(ctx, existing); err != nil {
+		return nil, err
+	}
+
+	return dto.NewAuthProviderDTO(existing), nil
+}
+
 // BuildProviderAuthorizationURL constructs a provider authorization URL.
 func (s *AuthService) BuildProviderAuthorizationURL(ctx context.Context, providerID bson.ObjectID, redirectURI, state string) (string, error) {
 	flags, err := s.GetFeatureFlags(ctx)

backend/internal/interfaces/handlers/admin_handler.go

@@ -5,6 +5,7 @@ import (
 	"net/http"
 
 	"github.com/gorilla/mux"
+	"github.com/noteapp/backend/internal/interfaces/middleware"
 	"go.mongodb.org/mongo-driver/v2/bson"
 
 	"github.com/noteapp/backend/internal/application/dto"
@@ -32,6 +33,33 @@ func (h *AdminHandler) ListUsers(w http.ResponseWriter, r *http.Request) {
 	json.NewEncoder(w).Encode(map[string]interface{}{"users": users})
 }
 
+// DeleteUser handles DELETE /admin/users/{userId}
+func (h *AdminHandler) DeleteUser(w http.ResponseWriter, r *http.Request) {
+	targetUserID, err := bson.ObjectIDFromHex(mux.Vars(r)["userId"])
+	if err != nil {
+		http.Error(w, "invalid user id", http.StatusBadRequest)
+		return
+	}
+
+	currentUserIDHex, err := middleware.GetUserIDFromContext(r.Context())
+	if err != nil {
+		http.Error(w, "unauthorized", http.StatusUnauthorized)
+		return
+	}
+	currentUserID, err := bson.ObjectIDFromHex(currentUserIDHex)
+	if err != nil {
+		http.Error(w, "unauthorized", http.StatusUnauthorized)
+		return
+	}
+
+	if err := h.adminService.DeleteUser(r.Context(), currentUserID, targetUserID); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
 // UpdateUserGroups handles PUT /admin/users/{userId}/groups
 func (h *AdminHandler) UpdateUserGroups(w http.ResponseWriter, r *http.Request) {
 	userID, err := bson.ObjectIDFromHex(mux.Vars(r)["userId"])
@@ -66,6 +94,22 @@ func (h *AdminHandler) UpdateUserGroups(w http.ResponseWriter, r *http.Request)
 	json.NewEncoder(w).Encode(user)
 }
 
+// DeleteGroup handles DELETE /admin/groups/{groupId}
+func (h *AdminHandler) DeleteGroup(w http.ResponseWriter, r *http.Request) {
+	groupID, err := bson.ObjectIDFromHex(mux.Vars(r)["groupId"])
+	if err != nil {
+		http.Error(w, "invalid group id", http.StatusBadRequest)
+		return
+	}
+
+	if err := h.adminService.DeleteGroup(r.Context(), groupID); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
 // ListGroups handles GET /admin/groups
 func (h *AdminHandler) ListGroups(w http.ResponseWriter, r *http.Request) {
 	groups, err := h.adminService.ListGroups(r.Context())
@@ -292,3 +336,19 @@ func (h *AdminHandler) UpdateFeatureFlags(w http.ResponseWriter, r *http.Request
 	w.Header().Set("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(flags)
 }
+
+// DeleteProvider handles DELETE /admin/auth/providers/{providerId}
+func (h *AdminHandler) DeleteProvider(w http.ResponseWriter, r *http.Request) {
+	providerID, err := bson.ObjectIDFromHex(mux.Vars(r)["providerId"])
+	if err != nil {
+		http.Error(w, "invalid provider id", http.StatusBadRequest)
+		return
+	}
+
+	if err := h.adminService.DeleteProvider(r.Context(), providerID); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}

backend/internal/interfaces/handlers/auth_handler.go

@@ -141,6 +141,30 @@ func (h *AuthHandler) CreateProvider(w http.ResponseWriter, r *http.Request) {
 	json.NewEncoder(w).Encode(provider)
 }
 
+// UpdateProvider updates an existing OAuth/OIDC provider configuration.
+func (h *AuthHandler) UpdateProvider(w http.ResponseWriter, r *http.Request) {
+	providerID, err := bson.ObjectIDFromHex(mux.Vars(r)["providerId"])
+	if err != nil {
+		http.Error(w, "Invalid provider ID", http.StatusBadRequest)
+		return
+	}
+
+	var req dto.UpdateAuthProviderRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, "Invalid request body", http.StatusBadRequest)
+		return
+	}
+
+	provider, err := h.authService.UpdateProvider(r.Context(), providerID, &req)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(provider)
+}
+
 // StartProviderLogin redirects the browser to the selected provider.
 func (h *AuthHandler) StartProviderLogin(w http.ResponseWriter, r *http.Request) {
 	providerID, err := bson.ObjectIDFromHex(mux.Vars(r)["providerId"])

frontend/src/App.vue

@@ -205,7 +205,7 @@
             </div>
         </div>
 
-        <div v-else-if="currentUser && isAdminRoute" class="container py-4">
+        <div v-else-if="currentUser && isAdminRoute" class="admin-route-view">
             <router-view />
         </div>
 
@@ -965,6 +965,16 @@ const logout = () => {
     display: block;
 }
 
+.admin-route-view {
+    flex: 1;
+    min-height: 0;
+    overflow: hidden;
+    display: flex;
+    flex-direction: column;
+    width: 100%;
+    padding: 0;
+}
+
 @media (max-width: 768px) {
     .app-navbar {
         display: grid;

frontend/src/components/AdminGroupModal.vue

@@ -0,0 +1,125 @@
+<template>
+    <teleport to="body">
+        <div class="modal fade show d-block admin-modal" tabindex="-1" role="dialog" aria-modal="true" @click.self="emit('close')">
+            <div class="modal-dialog modal-lg modal-dialog-centered modal-dialog-scrollable" role="document">
+                <div class="modal-content">
+                    <div class="modal-header">
+                        <h5 class="modal-title">{{ mode === "create" ? "Create Group" : "Edit Group" }}</h5>
+                        <button type="button" class="btn-close" aria-label="Close" @click="emit('close')"></button>
+                    </div>
+                    <form @submit.prevent="handleSubmit">
+                        <div class="modal-body">
+                            <div class="mb-3">
+                                <label class="form-label">Group name</label>
+                                <input v-model="form.name" class="form-control" type="text" required :disabled="isSystemGroup" />
+                            </div>
+
+                            <div class="mb-3">
+                                <label class="form-label">Description</label>
+                                <input v-model="form.description" class="form-control" type="text" :disabled="isSystemGroup" />
+                            </div>
+
+                            <div>
+                                <label class="form-label">Permissions (one per line)</label>
+                                <textarea
+                                    v-model="form.permissionsText"
+                                    class="form-control permissions-textarea"
+                                    rows="10"
+                                    placeholder="space.create&#10;space.project_docs.category.create&#10;space.project_docs.*"
+                                    :disabled="isSystemGroup"
+                                ></textarea>
+                            </div>
+                        </div>
+                        <div class="modal-footer">
+                            <button type="button" class="btn btn-outline-secondary" @click="emit('close')">Cancel</button>
+                            <button v-if="!isSystemGroup" type="submit" class="btn btn-primary" :disabled="submitting">
+                                {{ submitting ? "Saving..." : mode === "create" ? "Create Group" : "Save Changes" }}
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+        <div class="modal-backdrop fade show admin-modal-backdrop"></div>
+    </teleport>
+</template>
+
+<script setup>
+import { ref, watch } from "vue";
+
+const props = defineProps({
+    mode: {
+        type: String,
+        default: "create",
+    },
+    group: {
+        type: Object,
+        default: null,
+    },
+    isSystemGroup: {
+        type: Boolean,
+        default: false,
+    },
+    submitting: {
+        type: Boolean,
+        default: false,
+    },
+});
+
+const emit = defineEmits(["close", "submit"]);
+
+const form = ref({
+    name: "",
+    description: "",
+    permissionsText: "",
+});
+
+const hydrateForm = () => {
+    form.value = {
+        name: props.group?.name || "",
+        description: props.group?.description || "",
+        permissionsText: (props.group?.permissions || []).join("\n"),
+    };
+};
+
+watch(() => [props.mode, props.group], hydrateForm, { immediate: true });
+
+const handleSubmit = () => {
+    emit("submit", {
+        name: form.value.name,
+        description: form.value.description,
+        permissionsText: form.value.permissionsText,
+    });
+};
+</script>
+
+<style scoped>
+.admin-modal {
+    z-index: 2000;
+    overflow-y: auto;
+    padding-top: max(0.5rem, env(safe-area-inset-top));
+}
+
+.admin-modal-backdrop {
+    z-index: 1990;
+}
+
+.admin-modal .modal-dialog {
+    margin: 1rem auto;
+}
+
+.permissions-textarea {
+    font-family: "Courier New", monospace;
+}
+
+@media (max-width: 767.98px) {
+    .admin-modal {
+        padding-top: max(0.75rem, env(safe-area-inset-top));
+    }
+
+    .admin-modal .modal-dialog {
+        margin: 0.75rem;
+        max-width: none;
+    }
+}
+</style>

frontend/src/components/AdminProviderModal.vue

@@ -0,0 +1,187 @@
+<template>
+    <teleport to="body">
+        <div class="modal fade show d-block admin-modal" tabindex="-1" role="dialog" aria-modal="true" @click.self="emit('close')">
+            <div class="modal-dialog modal-lg modal-dialog-centered modal-dialog-scrollable" role="document">
+                <div class="modal-content">
+                    <div class="modal-header">
+                        <h5 class="modal-title">{{ mode === "create" ? "Add Identity Provider" : "Edit Identity Provider" }}</h5>
+                        <button type="button" class="btn-close" aria-label="Close" @click="emit('close')"></button>
+                    </div>
+                    <form @submit.prevent="handleSubmit">
+                        <div class="modal-body">
+                            <div class="row g-3">
+                                <div class="col-md-6">
+                                    <label class="form-label">Display Name <span class="text-danger">*</span></label>
+                                    <input v-model="form.name" type="text" class="form-control" required />
+                                </div>
+                                <div class="col-md-6">
+                                    <label class="form-label">Provider Type <span class="text-danger">*</span></label>
+                                    <select v-model="form.type" class="form-select">
+                                        <option value="oidc">OIDC</option>
+                                        <option value="oauth2">OAuth2</option>
+                                    </select>
+                                </div>
+                                <div class="col-md-6">
+                                    <label class="form-label">Client ID <span class="text-danger">*</span></label>
+                                    <input v-model="form.client_id" type="text" class="form-control" required />
+                                </div>
+                                <div class="col-md-6">
+                                    <label class="form-label">
+                                        Client Secret
+                                        <span v-if="mode === 'create'" class="text-danger">*</span>
+                                        <span v-else class="text-muted small">(leave blank to keep existing)</span>
+                                    </label>
+                                    <input v-model="form.client_secret" type="password" class="form-control" :required="mode === 'create'" autocomplete="new-password" />
+                                </div>
+                                <div class="col-md-6">
+                                    <label class="form-label">Authorization URL <span class="text-danger">*</span></label>
+                                    <input v-model="form.authorization_url" type="url" class="form-control" required />
+                                </div>
+                                <div class="col-md-6">
+                                    <label class="form-label">Token URL <span class="text-danger">*</span></label>
+                                    <input v-model="form.token_url" type="url" class="form-control" required />
+                                </div>
+                                <div class="col-md-6">
+                                    <label class="form-label">UserInfo URL</label>
+                                    <input v-model="form.userinfo_url" type="url" class="form-control" placeholder="Optional" />
+                                </div>
+                                <div class="col-md-6">
+                                    <label class="form-label">ID Token Claim</label>
+                                    <input v-model="form.id_token_claim" type="text" class="form-control" placeholder="id_token" />
+                                </div>
+                                <div class="col-12">
+                                    <label class="form-label">Scopes</label>
+                                    <input v-model="form.scopes" type="text" class="form-control" placeholder="openid, profile, email" />
+                                    <div class="form-text">Comma-separated list of OAuth scopes.</div>
+                                </div>
+                                <div class="col-12">
+                                    <div class="form-check">
+                                        <input id="provider-active" v-model="form.is_active" type="checkbox" class="form-check-input" />
+                                        <label for="provider-active" class="form-check-label">Provider is active</label>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                        <div class="modal-footer">
+                            <button type="button" class="btn btn-outline-secondary" @click="emit('close')">Cancel</button>
+                            <button type="submit" class="btn btn-primary" :disabled="submitting">
+                                {{ submitting ? "Saving..." : mode === "create" ? "Add Provider" : "Save Changes" }}
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+        <div class="modal-backdrop fade show admin-modal-backdrop"></div>
+    </teleport>
+</template>
+
+<script setup>
+import { ref, watch } from "vue";
+
+const props = defineProps({
+    mode: {
+        type: String,
+        default: "create",
+    },
+    provider: {
+        type: Object,
+        default: null,
+    },
+    submitting: {
+        type: Boolean,
+        default: false,
+    },
+});
+
+const emit = defineEmits(["close", "submit"]);
+
+const form = ref({
+    name: "",
+    type: "oidc",
+    client_id: "",
+    client_secret: "",
+    authorization_url: "",
+    token_url: "",
+    userinfo_url: "",
+    id_token_claim: "id_token",
+    scopes: "openid, profile, email",
+    is_active: true,
+});
+
+const hydrateForm = () => {
+    if (props.mode === "edit" && props.provider) {
+        form.value = {
+            name: props.provider.name || "",
+            type: props.provider.type || "oidc",
+            client_id: props.provider.client_id || "",
+            client_secret: "",
+            authorization_url: props.provider.authorization_url || "",
+            token_url: props.provider.token_url || "",
+            userinfo_url: props.provider.userinfo_url || "",
+            id_token_claim: props.provider.id_token_claim || "id_token",
+            scopes: (props.provider.scopes || []).join(", "),
+            is_active: props.provider.is_active ?? true,
+        };
+    } else {
+        form.value = {
+            name: "",
+            type: "oidc",
+            client_id: "",
+            client_secret: "",
+            authorization_url: "",
+            token_url: "",
+            userinfo_url: "",
+            id_token_claim: "id_token",
+            scopes: "openid, profile, email",
+            is_active: true,
+        };
+    }
+};
+
+watch(() => [props.mode, props.provider], hydrateForm, { immediate: true });
+
+const handleSubmit = () => {
+    emit("submit", {
+        name: form.value.name,
+        type: form.value.type,
+        client_id: form.value.client_id,
+        client_secret: form.value.client_secret,
+        authorization_url: form.value.authorization_url,
+        token_url: form.value.token_url,
+        userinfo_url: form.value.userinfo_url,
+        id_token_claim: form.value.id_token_claim,
+        scopes: form.value.scopes
+            .split(",")
+            .map((s) => s.trim())
+            .filter(Boolean),
+        is_active: form.value.is_active,
+    });
+};
+</script>
+
+<style scoped>
+.admin-modal {
+    z-index: 2000;
+    overflow-y: auto;
+    padding-top: max(0.5rem, env(safe-area-inset-top));
+}
+
+.admin-modal-backdrop {
+    z-index: 1990;
+}
+
+.admin-modal .modal-dialog {
+    margin: 1rem auto;
+}
+
+@media (max-width: 767.98px) {
+    .admin-modal {
+        padding-top: max(0.75rem, env(safe-area-inset-top));
+    }
+
+    .admin-modal .modal-dialog {
+        margin: 0.5rem;
+    }
+}
+</style>

frontend/src/components/AdminSpaceModal.vue

@@ -1,7 +1,7 @@
 <template>
     <teleport to="body">
-        <div class="modal fade show d-block" tabindex="-1" role="dialog" aria-modal="true" @click.self="emit('close')">
-            <div class="modal-dialog modal-xl modal-dialog-centered" role="document">
+        <div class="modal fade show d-block admin-modal" tabindex="-1" role="dialog" aria-modal="true" @click.self="emit('close')">
+            <div class="modal-dialog modal-xl modal-dialog-centered modal-dialog-scrollable" role="document">
                 <div class="modal-content">
                     <div class="modal-header">
                         <h5 class="modal-title">Edit Space</h5>
@@ -96,7 +96,7 @@
                 </div>
             </div>
         </div>
-        <div class="modal-backdrop fade show"></div>
+        <div class="modal-backdrop fade show admin-modal-backdrop"></div>
     </teleport>
 </template>
 
@@ -252,3 +252,30 @@ const deleteSpace = async () => {
     }
 };
 </script>
+
+<style scoped>
+.admin-modal {
+    z-index: 2000;
+    overflow-y: auto;
+    padding-top: max(0.5rem, env(safe-area-inset-top));
+}
+
+.admin-modal-backdrop {
+    z-index: 1990;
+}
+
+.admin-modal .modal-dialog {
+    margin: 1rem auto;
+}
+
+@media (max-width: 767.98px) {
+    .admin-modal {
+        padding-top: max(0.75rem, env(safe-area-inset-top));
+    }
+
+    .admin-modal .modal-dialog {
+        margin: 0.75rem;
+        max-width: none;
+    }
+}
+</style>

frontend/src/components/AdminUserModal.vue

@@ -0,0 +1,111 @@
+<template>
+    <teleport to="body">
+        <div class="modal fade show d-block admin-modal" tabindex="-1" role="dialog" aria-modal="true" @click.self="emit('close')">
+            <div class="modal-dialog modal-dialog-centered modal-dialog-scrollable" role="document">
+                <div class="modal-content">
+                    <div class="modal-header">
+                        <h5 class="modal-title">Edit User</h5>
+                        <button type="button" class="btn-close" aria-label="Close" @click="emit('close')"></button>
+                    </div>
+                    <form @submit.prevent="handleSubmit">
+                        <div class="modal-body">
+                            <div class="mb-3">
+                                <label class="form-label">Username</label>
+                                <input class="form-control" :value="user?.username || ''" type="text" disabled />
+                            </div>
+
+                            <div class="mb-3">
+                                <label class="form-label">Email</label>
+                                <input class="form-control" :value="user?.email || ''" type="text" disabled />
+                            </div>
+
+                            <div class="mb-3">
+                                <label class="form-label">Status</label>
+                                <input class="form-control" :value="user?.is_active ? 'Active' : 'Inactive'" type="text" disabled />
+                            </div>
+
+                            <div>
+                                <label class="form-label">Groups</label>
+                                <select v-model="groupIds" class="form-select" multiple>
+                                    <option v-for="group in groups" :key="group.id" :value="group.id">
+                                        {{ group.name }}
+                                    </option>
+                                </select>
+                                <div class="small text-muted mt-1">Ctrl/Cmd+Click for multiple groups</div>
+                            </div>
+                        </div>
+                        <div class="modal-footer">
+                            <button type="button" class="btn btn-outline-secondary" @click="emit('close')">Cancel</button>
+                            <button type="submit" class="btn btn-primary" :disabled="submitting">
+                                {{ submitting ? "Saving..." : "Save Changes" }}
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+        <div class="modal-backdrop fade show admin-modal-backdrop"></div>
+    </teleport>
+</template>
+
+<script setup>
+import { ref, watch } from "vue";
+
+const props = defineProps({
+    user: {
+        type: Object,
+        default: null,
+    },
+    groups: {
+        type: Array,
+        default: () => [],
+    },
+    submitting: {
+        type: Boolean,
+        default: false,
+    },
+});
+
+const emit = defineEmits(["close", "submit"]);
+
+const groupIds = ref([]);
+
+watch(
+    () => props.user,
+    (user) => {
+        groupIds.value = [...(user?.group_ids || [])];
+    },
+    { immediate: true },
+);
+
+const handleSubmit = () => {
+    emit("submit", { group_ids: groupIds.value });
+};
+</script>
+
+<style scoped>
+.admin-modal {
+    z-index: 2000;
+    overflow-y: auto;
+    padding-top: max(0.5rem, env(safe-area-inset-top));
+}
+
+.admin-modal-backdrop {
+    z-index: 1990;
+}
+
+.admin-modal .modal-dialog {
+    margin: 1rem auto;
+}
+
+@media (max-width: 767.98px) {
+    .admin-modal {
+        padding-top: max(0.75rem, env(safe-area-inset-top));
+    }
+
+    .admin-modal .modal-dialog {
+        margin: 0.75rem;
+        max-width: none;
+    }
+}
+</style>

frontend/src/utils/markdown.js

@@ -15,15 +15,12 @@
  */
 export function preprocessMarkdown(content) {
     if (!content) return content;
-    return content.replace(
-        /!\[([^\]]*)\]\(([^\s)"]+)(?:\s+"([^"]*)")?\s+=(\d*%?)[xX](\d*%?)\)/gi,
-        (_, alt, url, title, w, h) => {
-            const safeAlt = alt.replace(/"/g, """);
-            let attrs = `src="${url}" alt="${safeAlt}"`;
-            if (title) attrs += ` title="${title.replace(/"/g, """)}"`;
-            if (w) attrs += ` width="${w}"`;
-            if (h) attrs += ` height="${h}"`;
-            return `<img ${attrs}>`;
-        },
-    );
+    return content.replace(/!\[([^\]]*)\]\(([^\s)"]+)(?:\s+"([^"]*)")?\s+=(\d*%?)[xX](\d*%?)\)/gi, (_, alt, url, title, w, h) => {
+        const safeAlt = alt.replace(/"/g, "&quot;");
+        let attrs = `src="${url}" alt="${safeAlt}"`;
+        if (title) attrs += ` title="${title.replace(/"/g, "&quot;")}"`;
+        if (w) attrs += ` width="${w}"`;
+        if (h) attrs += ` height="${h}"`;
+        return `<img ${attrs}>`;
+    });
 }