Rename smartrun to geniusrun throughout the codebase

Updates the Go module path, cmd/smartrund -> cmd/geniusrund, the
smartrun-dev skill, .gitignore, and every reference in docs/CLAUDE.md
to match.

backend/internal/api/activities.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/go-chi/chi/v5"
 
-	"smartrun/backend/internal/store"
+	"geniusrun/backend/internal/store"
 )
 
 // activityListItem is one row of the activities list, enriched with its

backend/internal/api/api_test.go

@@ -13,16 +13,16 @@ import (
 	"testing"
 	"time"
 
-	"smartrun/backend/internal/garmin/mock"
-	"smartrun/backend/internal/store"
-	appsync "smartrun/backend/internal/sync"
+	"geniusrun/backend/internal/garmin/mock"
+	"geniusrun/backend/internal/store"
+	appsync "geniusrun/backend/internal/sync"
 )
 
 func newCtx() context.Context { return context.Background() }
 
 func newTestServer(t *testing.T) (*Server, *store.DB) {
 	t.Helper()
-	db, err := store.Open(filepath.Join(t.TempDir(), "smartrun_test.db"))
+	db, err := store.Open(filepath.Join(t.TempDir(), "geniusrun_test.db"))
 	if err != nil {
 		t.Fatalf("store.Open: %v", err)
 	}

backend/internal/api/auth.go

@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"net/http"
 
-	"smartrun/backend/internal/garmin"
+	"geniusrun/backend/internal/garmin"
 )
 
 type authResponse struct {

backend/internal/api/display_fields.go

@@ -3,7 +3,7 @@ package api
 import (
 	"encoding/json"
 
-	"smartrun/backend/internal/store"
+	"geniusrun/backend/internal/store"
 )
 
 // activityResponse adds back ActivityName/ActivityType as fields decoded

backend/internal/api/kinds.go

@@ -8,8 +8,8 @@ import (
 
 	"github.com/go-chi/chi/v5"
 
-	"smartrun/backend/internal/classify"
-	"smartrun/backend/internal/store"
+	"geniusrun/backend/internal/classify"
+	"geniusrun/backend/internal/store"
 )
 
 // workoutKindResponse combines a workout kind's rule/metadata with its pace

backend/internal/api/profile.go

@@ -5,7 +5,7 @@ import (
 	"errors"
 	"net/http"
 
-	"smartrun/backend/internal/store"
+	"geniusrun/backend/internal/store"
 )
 
 // validateProfile checks the HR zones are ascending and gap-free once they

backend/internal/api/progression.go

@@ -7,7 +7,7 @@ import (
 
 	"github.com/go-chi/chi/v5"
 
-	"smartrun/backend/internal/store"
+	"geniusrun/backend/internal/store"
 )
 
 type progressionPoint struct {

backend/internal/api/reclassify.go

@@ -3,7 +3,7 @@ package api
 import (
 	"net/http"
 
-	"smartrun/backend/internal/store"
+	"geniusrun/backend/internal/store"
 )
 
 // handleReclassifyAll re-runs the rule engine for every activity except

backend/internal/api/review.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/go-chi/chi/v5"
 
-	"smartrun/backend/internal/store"
+	"geniusrun/backend/internal/store"
 )
 
 // defaultReviewQueuePageSize matches the frontend's initial/incremental

backend/internal/api/server.go

@@ -1,4 +1,4 @@
-// Package api is smartrun's HTTP layer: REST handlers over internal/store,
+// Package api is geniusrun's HTTP layer: REST handlers over internal/store,
 // internal/garmin, and internal/sync.
 package api
 
@@ -11,9 +11,9 @@ import (
 
 	"github.com/go-chi/chi/v5"
 
-	"smartrun/backend/internal/garmin"
-	"smartrun/backend/internal/store"
-	appsync "smartrun/backend/internal/sync"
+	"geniusrun/backend/internal/garmin"
+	"geniusrun/backend/internal/store"
+	appsync "geniusrun/backend/internal/sync"
 )
 
 // Server wires the HTTP handlers to the app's dependencies.