phase 2 initial test

internal/api/handlers/helpers.go

@@ -0,0 +1,17 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func jsonError(w http.ResponseWriter, message string, status int) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(map[string]string{"error": message})
+}
+
+func jsonOK(w http.ResponseWriter, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(v)
+}

internal/api/handlers/pipelines.go

@@ -1,22 +1,53 @@
 package handlers
 
 import (
-	"encoding/json"
 	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	"xorm.io/xorm"
+
+	"github.com/forgeo/forgebucket/internal/models"
 )
 
-type PipelineHandler struct{}
+type PipelineHandler struct {
+	db *xorm.Engine
+}
 
-func NewPipelineHandler() *PipelineHandler {
-	return &PipelineHandler{}
+func NewPipelineHandler(db *xorm.Engine) *PipelineHandler {
+	return &PipelineHandler{db: db}
 }
 
 func (h *PipelineHandler) List(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode([]any{})
+	ownerName := chi.URLParam(r, "owner")
+	repoName := chi.URLParam(r, "repo")
+
+	repoID, ok := h.repoID(w, ownerName, repoName)
+	if !ok {
+		return
+	}
+	_ = repoID
+	// Pipeline records will be added in Phase 3 (CI integration).
+	// Return empty list so the client doesn't break.
+	jsonOK(w, []any{})
 }
 
 func (h *PipelineHandler) Get(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
+	jsonError(w, "not implemented", http.StatusNotImplemented)
+}
+
+func (h *PipelineHandler) repoID(w http.ResponseWriter, ownerName, repoName string) (int64, bool) {
+	var owner models.User
+	found, err := h.db.Where("username = ?", ownerName).Get(&owner)
+	if err != nil || !found {
+		jsonError(w, "repository not found", http.StatusNotFound)
+		return 0, false
+	}
+
+	var repo models.Repository
+	found, err = h.db.Where("owner_id = ? AND name = ?", owner.ID, repoName).Get(&repo)
+	if err != nil || !found {
+		jsonError(w, "repository not found", http.StatusNotFound)
+		return 0, false
+	}
+	return repo.ID, true
 }

internal/api/handlers/prs.go

@@ -3,31 +3,173 @@ package handlers
 import (
 	"encoding/json"
 	"net/http"
+	"strconv"
+
+	"github.com/go-chi/chi/v5"
+	"xorm.io/xorm"
+
+	"github.com/forgeo/forgebucket/internal/api/middleware"
+	"github.com/forgeo/forgebucket/internal/models"
 )
 
-type PRHandler struct{}
+type PRHandler struct {
+	db *xorm.Engine
+}
 
-func NewPRHandler() *PRHandler {
-	return &PRHandler{}
+func NewPRHandler(db *xorm.Engine) *PRHandler {
+	return &PRHandler{db: db}
 }
 
 func (h *PRHandler) List(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode([]any{})
+	repoID, ok := h.repoIDFromURL(w, r)
+	if !ok {
+		return
+	}
+
+	status := r.URL.Query().Get("status")
+
+	sess := h.db.Where("repo_id = ?", repoID)
+	if status != "" {
+		sess = sess.And("status = ?", status)
+	}
+
+	var prs []models.PullRequest
+	if err := sess.Find(&prs); err != nil {
+		jsonError(w, "could not list pull requests", http.StatusInternalServerError)
+		return
+	}
+	if prs == nil {
+		prs = []models.PullRequest{}
+	}
+	jsonOK(w, prs)
 }
 
 func (h *PRHandler) Create(w http.ResponseWriter, r *http.Request) {
+	repoID, ok := h.repoIDFromURL(w, r)
+	if !ok {
+		return
+	}
+	authorID, _ := middleware.UserIDFromContext(r.Context())
+
+	var body struct {
+		Title        string `json:"title"`
+		Body         string `json:"body"`
+		SourceBranch string `json:"sourceBranch"`
+		TargetBranch string `json:"targetBranch"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		jsonError(w, "invalid request body", http.StatusBadRequest)
+		return
+	}
+	if body.Title == "" || body.SourceBranch == "" {
+		jsonError(w, "title and sourceBranch are required", http.StatusBadRequest)
+		return
+	}
+	if body.TargetBranch == "" {
+		body.TargetBranch = "main"
+	}
+
+	pr := &models.PullRequest{
+		RepoID:       repoID,
+		AuthorID:     authorID,
+		Title:        body.Title,
+		Body:         body.Body,
+		SourceBranch: body.SourceBranch,
+		TargetBranch: body.TargetBranch,
+		Status:       models.PRStatusOpen,
+	}
+	if _, err := h.db.Insert(pr); err != nil {
+		jsonError(w, "could not create pull request", http.StatusInternalServerError)
+		return
+	}
+
 	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(http.StatusCreated)
-	json.NewEncoder(w).Encode(map[string]string{"status": "created"})
+	json.NewEncoder(w).Encode(pr)
 }
 
 func (h *PRHandler) Get(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
+	pr, ok := h.lookupPR(w, r)
+	if !ok {
+		return
+	}
+	jsonOK(w, pr)
 }
 
 func (h *PRHandler) Merge(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(map[string]string{"status": "merged"})
+	pr, ok := h.lookupPR(w, r)
+	if !ok {
+		return
+	}
+	if pr.Status != models.PRStatusOpen {
+		jsonError(w, "pull request is not open", http.StatusConflict)
+		return
+	}
+
+	pr.Status = models.PRStatusMerged
+	if _, err := h.db.ID(pr.ID).Cols("status").Update(pr); err != nil {
+		jsonError(w, "could not merge pull request", http.StatusInternalServerError)
+		return
+	}
+	jsonOK(w, pr)
+}
+
+func (h *PRHandler) Close(w http.ResponseWriter, r *http.Request) {
+	pr, ok := h.lookupPR(w, r)
+	if !ok {
+		return
+	}
+	if pr.Status != models.PRStatusOpen {
+		jsonError(w, "pull request is not open", http.StatusConflict)
+		return
+	}
+
+	pr.Status = models.PRStatusClosed
+	if _, err := h.db.ID(pr.ID).Cols("status").Update(pr); err != nil {
+		jsonError(w, "could not close pull request", http.StatusInternalServerError)
+		return
+	}
+	jsonOK(w, pr)
+}
+
+func (h *PRHandler) repoIDFromURL(w http.ResponseWriter, r *http.Request) (int64, bool) {
+	ownerName := chi.URLParam(r, "owner")
+	repoName := chi.URLParam(r, "repo")
+
+	var owner models.User
+	found, err := h.db.Where("username = ?", ownerName).Get(&owner)
+	if err != nil || !found {
+		jsonError(w, "repository not found", http.StatusNotFound)
+		return 0, false
+	}
+
+	var repo models.Repository
+	found, err = h.db.Where("owner_id = ? AND name = ?", owner.ID, repoName).Get(&repo)
+	if err != nil || !found {
+		jsonError(w, "repository not found", http.StatusNotFound)
+		return 0, false
+	}
+	return repo.ID, true
+}
+
+func (h *PRHandler) lookupPR(w http.ResponseWriter, r *http.Request) (*models.PullRequest, bool) {
+	repoID, ok := h.repoIDFromURL(w, r)
+	if !ok {
+		return nil, false
+	}
+
+	prIDStr := chi.URLParam(r, "prID")
+	prID, err := strconv.ParseInt(prIDStr, 10, 64)
+	if err != nil {
+		jsonError(w, "invalid pull request ID", http.StatusBadRequest)
+		return nil, false
+	}
+
+	var pr models.PullRequest
+	found, err := h.db.Where("id = ? AND repo_id = ?", prID, repoID).Get(&pr)
+	if err != nil || !found {
+		jsonError(w, "pull request not found", http.StatusNotFound)
+		return nil, false
+	}
+	return &pr, true
 }

internal/api/handlers/repos.go

@@ -3,36 +3,199 @@ package handlers
 import (
 	"encoding/json"
 	"net/http"
+	"path/filepath"
+	"strconv"
+
+	"github.com/go-chi/chi/v5"
+	"xorm.io/xorm"
+
+	"github.com/forgeo/forgebucket/internal/api/middleware"
+	"github.com/forgeo/forgebucket/internal/config"
+	gitdomain "github.com/forgeo/forgebucket/internal/domain/git"
+	"github.com/forgeo/forgebucket/internal/models"
 )
 
-type RepoHandler struct{}
+type RepoHandler struct {
+	db  *xorm.Engine
+	cfg *config.Config
+}
 
-func NewRepoHandler() *RepoHandler {
-	return &RepoHandler{}
+func NewRepoHandler(db *xorm.Engine, cfg *config.Config) *RepoHandler {
+	return &RepoHandler{db: db, cfg: cfg}
 }
 
 func (h *RepoHandler) List(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode([]any{})
+	userID, _ := middleware.UserIDFromContext(r.Context())
+
+	var repos []models.Repository
+	if err := h.db.Where("owner_id = ?", userID).Find(&repos); err != nil {
+		jsonError(w, "could not list repositories", http.StatusInternalServerError)
+		return
+	}
+	if repos == nil {
+		repos = []models.Repository{}
+	}
+	jsonOK(w, repos)
 }
 
 func (h *RepoHandler) Create(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.UserIDFromContext(r.Context())
+
+	var body struct {
+		Name        string `json:"name"`
+		Description string `json:"description"`
+		IsPrivate   bool   `json:"isPrivate"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		jsonError(w, "invalid request body", http.StatusBadRequest)
+		return
+	}
+	if body.Name == "" {
+		jsonError(w, "name is required", http.StatusBadRequest)
+		return
+	}
+
+	diskPath := filepath.Join(h.cfg.RepoRoot, strconv.FormatInt(userID, 10), body.Name+".git")
+
+	repo := &models.Repository{
+		OwnerID:       userID,
+		Name:          body.Name,
+		Description:   body.Description,
+		IsPrivate:     body.IsPrivate,
+		DefaultBranch: "main",
+		DiskPath:      diskPath,
+	}
+
+	// Initialise bare repo on disk before inserting to DB
+	gitdomain.SetRepoRoot(h.cfg.RepoRoot)
+	if err := gitdomain.Init(diskPath); err != nil {
+		jsonError(w, "could not initialise git repository", http.StatusInternalServerError)
+		return
+	}
+
+	if _, err := h.db.Insert(repo); err != nil {
+		jsonError(w, "repository name already taken", http.StatusConflict)
+		return
+	}
+
 	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(http.StatusCreated)
-	json.NewEncoder(w).Encode(map[string]string{"status": "created"})
+	json.NewEncoder(w).Encode(repo)
 }
 
 func (h *RepoHandler) Get(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
+	repo, ok := h.lookupRepo(w, r)
+	if !ok {
+		return
+	}
+	jsonOK(w, repo)
 }
 
 func (h *RepoHandler) Tree(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode([]any{})
+	repo, ok := h.lookupRepo(w, r)
+	if !ok {
+		return
+	}
+
+	ref := r.URL.Query().Get("ref")
+	if ref == "" {
+		ref = repo.DefaultBranch
+	}
+	subPath := r.URL.Query().Get("path")
+
+	gitdomain.SetRepoRoot(h.cfg.RepoRoot)
+	entries, err := gitdomain.TreeLS(repo.DiskPath, ref, subPath)
+	if err != nil {
+		jsonError(w, "could not read tree", http.StatusInternalServerError)
+		return
+	}
+	if entries == nil {
+		entries = []gitdomain.TreeEntry{}
+	}
+	jsonOK(w, entries)
 }
 
 func (h *RepoHandler) Blob(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(map[string]string{"content": ""})
+	repo, ok := h.lookupRepo(w, r)
+	if !ok {
+		return
+	}
+
+	ref := r.URL.Query().Get("ref")
+	if ref == "" {
+		ref = repo.DefaultBranch
+	}
+	path := r.URL.Query().Get("path")
+	if path == "" {
+		jsonError(w, "path is required", http.StatusBadRequest)
+		return
+	}
+
+	gitdomain.SetRepoRoot(h.cfg.RepoRoot)
+	content, err := gitdomain.BlobCat(repo.DiskPath, ref, path)
+	if err != nil {
+		jsonError(w, "file not found", http.StatusNotFound)
+		return
+	}
+	jsonOK(w, map[string]string{"content": string(content), "path": path, "ref": ref})
+}
+
+func (h *RepoHandler) Commits(w http.ResponseWriter, r *http.Request) {
+	repo, ok := h.lookupRepo(w, r)
+	if !ok {
+		return
+	}
+
+	ref := r.URL.Query().Get("ref")
+	if ref == "" {
+		ref = repo.DefaultBranch
+	}
+	limit := 30
+	if l := r.URL.Query().Get("limit"); l != "" {
+		if n, err := strconv.Atoi(l); err == nil && n > 0 && n <= 100 {
+			limit = n
+		}
+	}
+
+	gitdomain.SetRepoRoot(h.cfg.RepoRoot)
+	commits, err := gitdomain.Log(repo.DiskPath, ref, limit)
+	if err != nil {
+		jsonError(w, "could not read commits", http.StatusInternalServerError)
+		return
+	}
+	if commits == nil {
+		commits = []gitdomain.Commit{}
+	}
+	jsonOK(w, commits)
+}
+
+// lookupRepo resolves {owner}/{repo} URL params to a DB row, enforcing access.
+func (h *RepoHandler) lookupRepo(w http.ResponseWriter, r *http.Request) (*models.Repository, bool) {
+	ownerName := chi.URLParam(r, "owner")
+	repoName := chi.URLParam(r, "repo")
+
+	var owner models.User
+	found, err := h.db.Where("username = ?", ownerName).Get(&owner)
+	if err != nil || !found {
+		jsonError(w, "repository not found", http.StatusNotFound)
+		return nil, false
+	}
+
+	var repo models.Repository
+	found, err = h.db.Where("owner_id = ? AND name = ?", owner.ID, repoName).Get(&repo)
+	if err != nil || !found {
+		jsonError(w, "repository not found", http.StatusNotFound)
+		return nil, false
+	}
+
+	// Private repo: only the owner may access (RBAC will be expanded in Phase 3)
+	if repo.IsPrivate {
+		callerID, _ := middleware.UserIDFromContext(r.Context())
+		if callerID != repo.OwnerID {
+			jsonError(w, "repository not found", http.StatusNotFound)
+			return nil, false
+		}
+	}
+
+	return &repo, true
 }

internal/api/handlers/users.go

@@ -5,24 +5,91 @@ import (
 	"net/http"
 
 	"github.com/gorilla/sessions"
+	"golang.org/x/crypto/bcrypt"
+	"xorm.io/xorm"
+
+	"github.com/forgeo/forgebucket/internal/api/middleware"
+	"github.com/forgeo/forgebucket/internal/models"
 )
 
 type UserHandler struct {
+	db    *xorm.Engine
 	store sessions.Store
 }
 
-func NewUserHandler(store sessions.Store) *UserHandler {
-	return &UserHandler{store: store}
+func NewUserHandler(db *xorm.Engine, store sessions.Store) *UserHandler {
+	return &UserHandler{db: db, store: store}
 }
 
-func (h *UserHandler) Me(w http.ResponseWriter, r *http.Request) {
+func (h *UserHandler) Register(w http.ResponseWriter, r *http.Request) {
+	var body struct {
+		Username string `json:"username"`
+		Email    string `json:"email"`
+		Password string `json:"password"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		jsonError(w, "invalid request body", http.StatusBadRequest)
+		return
+	}
+	if body.Username == "" || body.Email == "" || body.Password == "" {
+		jsonError(w, "username, email, and password are required", http.StatusBadRequest)
+		return
+	}
+
+	hash, err := bcrypt.GenerateFromPassword([]byte(body.Password), bcrypt.DefaultCost)
+	if err != nil {
+		jsonError(w, "internal error", http.StatusInternalServerError)
+		return
+	}
+
+	user := &models.User{
+		Username:     body.Username,
+		Email:        body.Email,
+		PasswordHash: string(hash),
+	}
+	if _, err := h.db.Insert(user); err != nil {
+		jsonError(w, "username or email already taken", http.StatusConflict)
+		return
+	}
+
 	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(user)
 }
 
 func (h *UserHandler) Login(w http.ResponseWriter, r *http.Request) {
+	var body struct {
+		Username string `json:"username"`
+		Password string `json:"password"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		jsonError(w, "invalid request body", http.StatusBadRequest)
+		return
+	}
+
+	var user models.User
+	found, err := h.db.Where("username = ?", body.Username).Get(&user)
+	if err != nil || !found {
+		jsonError(w, "invalid credentials", http.StatusUnauthorized)
+		return
+	}
+
+	if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(body.Password)); err != nil {
+		jsonError(w, "invalid credentials", http.StatusUnauthorized)
+		return
+	}
+
+	session, _ := h.store.Get(r, "fb_session")
+	session.Values["userID"] = user.ID
+	session.Values["username"] = user.Username
+	session.Values["isAdmin"] = user.IsAdmin
+	if err := session.Save(r, w); err != nil {
+		jsonError(w, "could not save session", http.StatusInternalServerError)
+		return
+	}
+
 	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
+	json.NewEncoder(w).Encode(user)
 }
 
 func (h *UserHandler) Logout(w http.ResponseWriter, r *http.Request) {
@@ -31,3 +98,21 @@ func (h *UserHandler) Logout(w http.ResponseWriter, r *http.Request) {
 	session.Save(r, w)
 	w.WriteHeader(http.StatusNoContent)
 }
+
+func (h *UserHandler) Me(w http.ResponseWriter, r *http.Request) {
+	userID, ok := middleware.UserIDFromContext(r.Context())
+	if !ok {
+		jsonError(w, "unauthorized", http.StatusUnauthorized)
+		return
+	}
+
+	var user models.User
+	found, err := h.db.ID(userID).Get(&user)
+	if err != nil || !found {
+		jsonError(w, "user not found", http.StatusNotFound)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(user)
+}

internal/api/router.go

@@ -9,13 +9,14 @@ import (
 	"github.com/go-chi/cors"
 	gcsrf "github.com/gorilla/csrf"
 	"github.com/gorilla/sessions"
+	"xorm.io/xorm"
 
 	"github.com/forgeo/forgebucket/internal/api/handlers"
 	"github.com/forgeo/forgebucket/internal/api/middleware"
 	"github.com/forgeo/forgebucket/internal/config"
 )
 
-func New(cfg *config.Config, store sessions.Store, staticFiles fs.FS) http.Handler {
+func New(cfg *config.Config, engine *xorm.Engine, store sessions.Store, staticFiles fs.FS) http.Handler {
 	r := chi.NewRouter()
 
 	r.Use(chimiddleware.Logger)
@@ -34,38 +35,39 @@ func New(cfg *config.Config, store sessions.Store, staticFiles fs.FS) http.Handl
 		gcsrf.Secure(!cfg.Debug),
 		gcsrf.SameSite(gcsrf.SameSiteLaxMode),
 		gcsrf.ErrorHandler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			http.Error(w, "CSRF validation failed", http.StatusForbidden)
+			http.Error(w, `{"error":"CSRF validation failed"}`, http.StatusForbidden)
 		})),
 	)
 
 	auth := middleware.NewAuth(store)
 
-	repoH := handlers.NewRepoHandler()
-	userH := handlers.NewUserHandler(store)
-	prH := handlers.NewPRHandler()
-	pipeH := handlers.NewPipelineHandler()
+	repoH := handlers.NewRepoHandler(engine, cfg)
+	userH := handlers.NewUserHandler(engine, store)
+	prH := handlers.NewPRHandler(engine)
+	pipeH := handlers.NewPipelineHandler(engine)
 	wsH := handlers.NewWSHandler()
 
-	// Health check (no auth, no CSRF)
+	// Health — no auth, no CSRF
 	r.Get("/api/v1/health", func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Content-Type", "application/json")
 		w.Write([]byte(`{"status":"ok"}`))
 	})
 
-	// CSRF token endpoint for SPA bootstrap
+	// CSRF token bootstrap for SPA
 	r.With(csrfMiddleware).Get("/api/v1/csrf", func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("X-CSRF-Token", gcsrf.Token(r))
 		w.Header().Set("Content-Type", "application/json")
 		w.Write([]byte(`{"ok":true}`))
 	})
 
-	// Auth routes (CSRF protected, no session required)
+	// Auth (CSRF protected, no session required)
 	r.With(csrfMiddleware).Route("/api/v1/auth", func(r chi.Router) {
 		r.Post("/login", userH.Login)
 		r.Post("/logout", userH.Logout)
+		r.Post("/register", userH.Register)
 	})
 
-	// Authenticated API routes
+	// Authenticated API
 	r.With(csrfMiddleware).With(auth.Require).Route("/api/v1", func(r chi.Router) {
 		r.Get("/me", userH.Me)
 
@@ -76,11 +78,13 @@ func New(cfg *config.Config, store sessions.Store, staticFiles fs.FS) http.Handl
 				r.Get("/", repoH.Get)
 				r.Get("/tree", repoH.Tree)
 				r.Get("/blob", repoH.Blob)
+				r.Get("/commits", repoH.Commits)
 				r.Route("/pulls", func(r chi.Router) {
 					r.Get("/", prH.List)
 					r.Post("/", prH.Create)
 					r.Get("/{prID}", prH.Get)
 					r.Post("/{prID}/merge", prH.Merge)
+					r.Post("/{prID}/close", prH.Close)
 				})
 				r.Route("/pipelines", func(r chi.Router) {
 					r.Get("/", pipeH.List)
@@ -90,10 +94,10 @@ func New(cfg *config.Config, store sessions.Store, staticFiles fs.FS) http.Handl
 		})
 	})
 
-	// WebSocket hub (auth via session cookie, no CSRF needed for WS)
+	// WebSocket — session auth only, no CSRF needed for WS upgrades
 	r.With(auth.Optional).Get("/ws", wsH.Hub)
 
-	// SPA fallback — serve embedded React app for all other routes
+	// SPA fallback
 	r.Handle("/*", spaHandler(staticFiles))
 
 	return r
@@ -104,13 +108,6 @@ func spaHandler(staticFiles fs.FS) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		_, err := staticFiles.Open(r.URL.Path)
 		if err != nil {
-			// Unknown path → serve index.html for client-side routing
-			index, err := staticFiles.Open("index.html")
-			if err != nil {
-				http.Error(w, "not found", http.StatusNotFound)
-				return
-			}
-			index.Close()
 			r.URL.Path = "/"
 		}
 		fileServer.ServeHTTP(w, r)

internal/db/db.go

@@ -0,0 +1,31 @@
+package db
+
+import (
+	"fmt"
+
+	_ "github.com/lib/pq"
+	"xorm.io/xorm"
+	"xorm.io/xorm/log"
+)
+
+func Open(dataSourceName string, debug bool) (*xorm.Engine, error) {
+	engine, err := xorm.NewEngine("postgres", dataSourceName)
+	if err != nil {
+		return nil, fmt.Errorf("open db: %w", err)
+	}
+
+	if debug {
+		engine.SetLogLevel(log.LOG_DEBUG)
+	} else {
+		engine.SetLogLevel(log.LOG_WARNING)
+	}
+
+	engine.SetMaxOpenConns(25)
+	engine.SetMaxIdleConns(5)
+
+	if err := engine.Ping(); err != nil {
+		return nil, fmt.Errorf("ping db: %w", err)
+	}
+
+	return engine, nil
+}

internal/domain/git/binary.go

@@ -2,6 +2,7 @@ package git
 
 import (
 	"errors"
+	"fmt"
 	"os/exec"
 	"path/filepath"
 	"strings"
@@ -16,47 +17,69 @@ func SetRepoRoot(root string) {
 }
 
 // run executes a git command inside repoPath with strict safety guarantees:
-// - repoPath is validated to be under the configured repoRoot
-// - args are passed as discrete values — never via shell interpolation
-// - the process inherits only a minimal environment
+//   - repoPath is validated to be under the configured repoRoot (path traversal guard)
+//   - args are passed as discrete values — never via shell interpolation
+//   - the process inherits only a minimal, fixed environment
 func run(repoPath string, args ...string) ([]byte, error) {
 	clean := filepath.Clean(repoPath)
-	if repoRoot != "" && !strings.HasPrefix(clean, repoRoot+string(filepath.Separator)) && clean != repoRoot {
-		return nil, ErrPathTraversal
+	if repoRoot != "" {
+		root := repoRoot + string(filepath.Separator)
+		if !strings.HasPrefix(clean+string(filepath.Separator), root) && clean != repoRoot {
+			return nil, ErrPathTraversal
+		}
 	}
 
 	cmd := exec.Command("git", args...)
 	cmd.Dir = clean
 	cmd.Env = []string{
 		"GIT_TERMINAL_PROMPT=0",
-		"HOME=" + filepath.Dir(repoRoot), // needed for .gitconfig lookups
+		"HOME=/tmp", // prevent .gitconfig side-effects
 	}
-	return cmd.Output()
+	out, err := cmd.Output()
+	if err != nil {
+		if exitErr, ok := err.(*exec.ExitError); ok {
+			return nil, fmt.Errorf("git %s: %w: %s", args[0], err, exitErr.Stderr)
+		}
+		return nil, fmt.Errorf("git %s: %w", args[0], err)
+	}
+	return out, nil
 }
 
 func Init(path string) error {
-	_, err := run(path, "init", "--bare")
-	return err
+	// git init --bare works even if the directory doesn't exist yet
+	cmd := exec.Command("git", "init", "--bare", path)
+	cmd.Env = []string{"GIT_TERMINAL_PROMPT=0", "HOME=/tmp"}
+	if out, err := cmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("git init --bare: %w: %s", err, out)
+	}
+	return nil
 }
 
 type Commit struct {
-	Hash    string
-	Author  string
-	Message string
-	Date    string
+	Hash    string `json:"hash"`
+	Author  string `json:"author"`
+	Message string `json:"message"`
+	Date    string `json:"date"`
 }
 
 func Log(repoPath, branch string, limit int) ([]Commit, error) {
-	out, err := run(repoPath, "log", branch,
+	out, err := run(repoPath,
+		"log", branch,
 		"--format=%H\x1f%an\x1f%s\x1f%ci",
-		"--max-count", strings.TrimSpace(string(rune(limit+'0'))),
+		fmt.Sprintf("--max-count=%d", limit),
 	)
 	if err != nil {
 		return nil, err
 	}
+
+	raw := strings.TrimSpace(string(out))
+	if raw == "" {
+		return nil, nil
+	}
+
 	var commits []Commit
-	for _, line := range strings.Split(strings.TrimSpace(string(out)), "\n") {
-		parts := strings.Split(line, "\x1f")
+	for _, line := range strings.Split(raw, "\n") {
+		parts := strings.SplitN(line, "\x1f", 4)
 		if len(parts) != 4 {
 			continue
 		}
@@ -71,18 +94,22 @@ func Log(repoPath, branch string, limit int) ([]Commit, error) {
 }
 
 type TreeEntry struct {
-	Mode string
-	Type string
-	Hash string
-	Name string
+	Mode string `json:"mode"`
+	Type string `json:"type"`
+	Hash string `json:"hash"`
+	Name string `json:"name"`
 }
 
 func TreeLS(repoPath, ref, subPath string) ([]TreeEntry, error) {
-	treeRef := ref + ":" + subPath
+	treeRef := ref
+	if subPath != "" {
+		treeRef = ref + ":" + subPath
+	}
 	out, err := run(repoPath, "ls-tree", treeRef)
 	if err != nil {
 		return nil, err
 	}
+
 	var entries []TreeEntry
 	for _, line := range strings.Split(strings.TrimSpace(string(out)), "\n") {
 		if line == "" {

internal/models/federation.go

@@ -3,13 +3,13 @@ package models
 import "time"
 
 type FederationActor struct {
-	ID         int64     `xorm:"pk autoincr"`
-	UserID     int64     `xorm:"notnull unique index"`
-	APID       string    `xorm:"notnull unique varchar(500)"` // https://instance/users/alice
-	InboxURL   string    `xorm:"notnull varchar(500)"`
-	OutboxURL  string    `xorm:"notnull varchar(500)"`
-	PublicKey  string    `xorm:"text notnull"`
-	PrivateKey string    `xorm:"text notnull"` // AES-GCM encrypted at rest
-	CreatedAt  time.Time `xorm:"created"`
-	UpdatedAt  time.Time `xorm:"updated"`
+	ID         int64     `xorm:"pk autoincr"                  json:"id"`
+	UserID     int64     `xorm:"notnull unique index"         json:"userId"`
+	APID       string    `xorm:"notnull unique varchar(500)"  json:"apId"`
+	InboxURL   string    `xorm:"notnull varchar(500)"         json:"inboxUrl"`
+	OutboxURL  string    `xorm:"notnull varchar(500)"         json:"outboxUrl"`
+	PublicKey  string    `xorm:"text notnull"                 json:"publicKey"`
+	PrivateKey string    `xorm:"text notnull"                 json:"-"`
+	CreatedAt  time.Time `xorm:"created"                      json:"createdAt"`
+	UpdatedAt  time.Time `xorm:"updated"                      json:"updatedAt"`
 }

internal/models/pr.go

@@ -11,14 +11,14 @@ const (
 )
 
 type PullRequest struct {
-	ID           int64     `xorm:"pk autoincr"`
-	RepoID       int64     `xorm:"notnull index"`
-	AuthorID     int64     `xorm:"notnull index"`
-	Title        string    `xorm:"notnull varchar(255)"`
-	Body         string    `xorm:"text"`
-	SourceBranch string    `xorm:"notnull varchar(255)"`
-	TargetBranch string    `xorm:"default 'main' varchar(255)"`
-	Status       PRStatus  `xorm:"default 'open' varchar(16)"`
-	CreatedAt    time.Time `xorm:"created"`
-	UpdatedAt    time.Time `xorm:"updated"`
+	ID           int64     `xorm:"pk autoincr"              json:"id"`
+	RepoID       int64     `xorm:"notnull index"            json:"repoId"`
+	AuthorID     int64     `xorm:"notnull index"            json:"authorId"`
+	Title        string    `xorm:"notnull varchar(255)"     json:"title"`
+	Body         string    `xorm:"text"                     json:"body"`
+	SourceBranch string    `xorm:"notnull varchar(255)"     json:"sourceBranch"`
+	TargetBranch string    `xorm:"default 'main' varchar(255)" json:"targetBranch"`
+	Status       PRStatus  `xorm:"default 'open' varchar(16)" json:"status"`
+	CreatedAt    time.Time `xorm:"created"                  json:"createdAt"`
+	UpdatedAt    time.Time `xorm:"updated"                  json:"updatedAt"`
 }

internal/models/repo.go

@@ -3,13 +3,13 @@ package models
 import "time"
 
 type Repository struct {
-	ID            int64     `xorm:"pk autoincr"`
-	OwnerID       int64     `xorm:"notnull index"`
-	Name          string    `xorm:"notnull varchar(100)"`
-	Description   string    `xorm:"varchar(500)"`
-	IsPrivate     bool      `xorm:"default false"`
-	DefaultBranch string    `xorm:"default 'main' varchar(255)"`
-	DiskPath      string    `xorm:"notnull"` // absolute path under REPO_ROOT
-	CreatedAt     time.Time `xorm:"created"`
-	UpdatedAt     time.Time `xorm:"updated"`
+	ID            int64     `xorm:"pk autoincr"                json:"id"`
+	OwnerID       int64     `xorm:"notnull index"              json:"ownerId"`
+	Name          string    `xorm:"notnull varchar(100)"       json:"name"`
+	Description   string    `xorm:"varchar(500)"               json:"description"`
+	IsPrivate     bool      `xorm:"default false"              json:"isPrivate"`
+	DefaultBranch string    `xorm:"default 'main' varchar(255)" json:"defaultBranch"`
+	DiskPath      string    `xorm:"notnull"                    json:"-"`
+	CreatedAt     time.Time `xorm:"created"                    json:"createdAt"`
+	UpdatedAt     time.Time `xorm:"updated"                    json:"updatedAt"`
 }

internal/models/user.go

@@ -3,12 +3,12 @@ package models
 import "time"
 
 type User struct {
-	ID           int64     `xorm:"pk autoincr"`
-	Username     string    `xorm:"unique notnull varchar(64)"`
-	Email        string    `xorm:"unique notnull varchar(255)"`
-	PasswordHash string    `xorm:"notnull"`
+	ID           int64     `xorm:"pk autoincr"              json:"id"`
+	Username     string    `xorm:"unique notnull varchar(64)" json:"username"`
+	Email        string    `xorm:"unique notnull varchar(255)" json:"email"`
+	PasswordHash string    `xorm:"notnull"                  json:"-"`
 	AvatarURL    string    `xorm:"varchar(500)"`
-	IsAdmin      bool      `xorm:"default false"`
-	CreatedAt    time.Time `xorm:"created"`
-	UpdatedAt    time.Time `xorm:"updated"`
+	IsAdmin      bool      `xorm:"default false"            json:"isAdmin"`
+	CreatedAt    time.Time `xorm:"created"                  json:"createdAt"`
+	UpdatedAt    time.Time `xorm:"updated"                  json:"updatedAt"`
 }