feat: color logo based on build version hash

Adds GET /api/version endpoint and uses the first 6 hex chars of the
commit hash to derive an HSL hue for the header h1 logo color.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/internal/api/server.go b/internal/api/server.go
index 9e3cde4..bb23f46 100644
--- a/internal/api/server.go
+++ b/internal/api/server.go
@@ -15,6 +15,7 @@ import (
 	"github.com/thepeterstone/claudomator/internal/notify"
 	"github.com/thepeterstone/claudomator/internal/storage"
 	"github.com/thepeterstone/claudomator/internal/task"
+	"github.com/thepeterstone/claudomator/internal/version"
 	webui "github.com/thepeterstone/claudomator/web"
 	"github.com/google/uuid"
 )
@@ -147,6 +148,7 @@ func (s *Server) routes() {
 	s.mux.HandleFunc("POST /api/stories/{id}/tasks", s.handleAddTaskToStory)
 	s.mux.HandleFunc("PUT /api/stories/{id}/status", s.handleUpdateStoryStatus)
 	s.mux.HandleFunc("GET /api/health", s.handleHealth)
+	s.mux.HandleFunc("GET /api/version", s.handleVersion)
 	s.mux.HandleFunc("POST /api/webhooks/github", s.handleGitHubWebhook)
 	s.mux.HandleFunc("GET /api/push/vapid-key", s.handleGetVAPIDKey)
 	s.mux.HandleFunc("GET /api/push/sw.js", s.handleServiceWorker)
@@ -424,6 +426,10 @@ func (s *Server) handleHealth(w http.ResponseWriter, r *http.Request) {
 	})
 }
 
+func (s *Server) handleVersion(w http.ResponseWriter, r *http.Request) {
+	writeJSON(w, http.StatusOK, map[string]string{"version": version.Version()})
+}
+
 func (s *Server) handleCreateTask(w http.ResponseWriter, r *http.Request) {
 	var input struct {
 		Name             string           `json:"name"`