Add in-app bug reporting feature

- New bugs table in SQLite (migration 005)
- Store methods for saving and retrieving bugs
- Handlers for GET/POST /bugs
- Floating bug button with modal UI
- Shows recent bug reports in modal

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2 files changed, 78 insertions, 0 deletions

diff --git a/internal/handlers/handlers.go b/internal/handlers/handlers.go
index d52e786..8d809ae 100644
--- a/internal/handlers/handlers.go
+++ b/internal/handlers/handlers.go
@@ -829,3 +829,49 @@ func (h *Handler) HandleGetListsOptions(w http.ResponseWriter, r *http.Request)
 		fmt.Fprintf(w, `<option value="%s">%s</option>`, list.ID, list.Name)
 	}
 }
+
+// HandleGetBugs returns the list of reported bugs
+func (h *Handler) HandleGetBugs(w http.ResponseWriter, r *http.Request) {
+	bugs, err := h.store.GetBugs()
+	if err != nil {
+		http.Error(w, "Failed to fetch bugs", http.StatusInternalServerError)
+		log.Printf("Error fetching bugs: %v", err)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/html")
+	if len(bugs) == 0 {
+		fmt.Fprint(w, `<p class="text-gray-500 text-sm">No bugs reported yet.</p>`)
+		return
+	}
+
+	for _, bug := range bugs {
+		fmt.Fprintf(w, `<div class="text-sm border-b border-gray-100 py-2">
+			<p class="text-gray-900">%s</p>
+			<p class="text-gray-400 text-xs">%s</p>
+		</div>`, template.HTMLEscapeString(bug.Description), bug.CreatedAt.Format("Jan 2, 3:04 PM"))
+	}
+}
+
+// HandleReportBug saves a new bug report
+func (h *Handler) HandleReportBug(w http.ResponseWriter, r *http.Request) {
+	if err := r.ParseForm(); err != nil {
+		http.Error(w, "Invalid form data", http.StatusBadRequest)
+		return
+	}
+
+	description := strings.TrimSpace(r.FormValue("description"))
+	if description == "" {
+		http.Error(w, "Description is required", http.StatusBadRequest)
+		return
+	}
+
+	if err := h.store.SaveBug(description); err != nil {
+		http.Error(w, "Failed to save bug", http.StatusInternalServerError)
+		log.Printf("Error saving bug: %v", err)
+		return
+	}
+
+	// Return updated bug list
+	h.HandleGetBugs(w, r)
+}
diff --git a/internal/store/sqlite.go b/internal/store/sqlite.go
index 7961f35..8640b9b 100644
--- a/internal/store/sqlite.go
+++ b/internal/store/sqlite.go
@@ -541,3 +541,35 @@ func (s *Store) ClearSyncToken(service string) error {
 	_, err := s.db.Exec(`DELETE FROM sync_tokens WHERE service = ?`, service)
 	return err
 }
+
+// Bug represents a user-reported bug
+type Bug struct {
+	ID          int64
+	Description string
+	CreatedAt   time.Time
+}
+
+// SaveBug saves a new bug report
+func (s *Store) SaveBug(description string) error {
+	_, err := s.db.Exec(`INSERT INTO bugs (description) VALUES (?)`, description)
+	return err
+}
+
+// GetBugs retrieves all bugs, newest first
+func (s *Store) GetBugs() ([]Bug, error) {
+	rows, err := s.db.Query(`SELECT id, description, created_at FROM bugs ORDER BY created_at DESC`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var bugs []Bug
+	for rows.Next() {
+		var b Bug
+		if err := rows.Scan(&b.ID, &b.Description, &b.CreatedAt); err != nil {
+			return nil, err
+		}
+		bugs = append(bugs, b)
+	}
+	return bugs, rows.Err()
+}