Add tm_server with SQLite, Svelte UI, and task-master TUI sync.

Introduces the web backend (auth, RBAC, project tokens, revisions),
YouTrack-or-taskmaster backend choice in the TUI, and a first-pass
embedded Svelte UI. The frontend is functional but needs a major rework.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/server/project_handlers.go

@@ -0,0 +1,139 @@
+package server
+
+import (
+	"net/http"
+	"strings"
+
+	"task/internal/sqlite"
+)
+
+func (s *Server) handleListProjects(w http.ResponseWriter, r *http.Request) {
+	u, _ := s.currentUser(r)
+	projects, err := s.Projects.ListIDsForUser(u.ID, u.IsAdmin)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, projects)
+}
+
+func (s *Server) handleCreateProject(w http.ResponseWriter, r *http.Request) {
+	u, _ := s.currentUser(r)
+	var body struct {
+		Name string `json:"name"`
+	}
+	if err := readJSON(r, &body); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid json")
+		return
+	}
+	body.Name = strings.TrimSpace(body.Name)
+	if body.Name == "" {
+		writeError(w, http.StatusBadRequest, "name is required")
+		return
+	}
+	p, err := s.Projects.Create("", body.Name)
+	if err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+	_ = s.DB.SetMember(p.ID, u.ID, sqlite.RoleOwner)
+	writeJSON(w, http.StatusCreated, p)
+}
+
+func (s *Server) handleGetProject(w http.ResponseWriter, r *http.Request) {
+	id := r.PathValue("id")
+	if _, ok, code := s.requireProjectRole(id, sqlite.RoleViewer, r); !ok {
+		writeError(w, code, "forbidden")
+		return
+	}
+	p, err := s.Projects.Get(id)
+	if err != nil {
+		writeError(w, http.StatusNotFound, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, p)
+}
+
+func (s *Server) handlePatchProject(w http.ResponseWriter, r *http.Request) {
+	id := r.PathValue("id")
+	if _, ok, code := s.requireProjectRole(id, sqlite.RoleAdmin, r); !ok {
+		writeError(w, code, "forbidden")
+		return
+	}
+	var body struct {
+		Name string `json:"name"`
+	}
+	if err := readJSON(r, &body); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid json")
+		return
+	}
+	if err := s.Projects.Rename(id, body.Name); err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+	p, _ := s.Projects.Get(id)
+	writeJSON(w, http.StatusOK, p)
+}
+
+func (s *Server) handleDeleteProject(w http.ResponseWriter, r *http.Request) {
+	id := r.PathValue("id")
+	if _, ok, code := s.requireProjectRole(id, sqlite.RoleOwner, r); !ok {
+		writeError(w, code, "forbidden")
+		return
+	}
+	_ = s.Times.DeleteByProject(id)
+	if err := s.Projects.Delete(id); err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
+}
+
+func (s *Server) handleListMembers(w http.ResponseWriter, r *http.Request) {
+	id := r.PathValue("id")
+	if _, ok, code := s.requireProjectRole(id, sqlite.RoleViewer, r); !ok {
+		writeError(w, code, "forbidden")
+		return
+	}
+	members, err := s.DB.ListMembers(id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, members)
+}
+
+func (s *Server) handleSetMember(w http.ResponseWriter, r *http.Request) {
+	id := r.PathValue("id")
+	userID := r.PathValue("userId")
+	if _, ok, code := s.requireProjectRole(id, sqlite.RoleAdmin, r); !ok {
+		writeError(w, code, "forbidden")
+		return
+	}
+	var body struct {
+		Role string `json:"role"`
+	}
+	if err := readJSON(r, &body); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid json")
+		return
+	}
+	if err := s.DB.SetMember(id, userID, body.Role); err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
+}
+
+func (s *Server) handleRemoveMember(w http.ResponseWriter, r *http.Request) {
+	id := r.PathValue("id")
+	userID := r.PathValue("userId")
+	if _, ok, code := s.requireProjectRole(id, sqlite.RoleAdmin, r); !ok {
+		writeError(w, code, "forbidden")
+		return
+	}
+	if err := s.DB.RemoveMember(id, userID); err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
+}