merge trails function added (#627)

* merge trails function added

* fix conflict resolve issues

* avoid incorrect authorship when merging trail comments

* require edit access for all selected trails before merge

* fix likes checkbox binding in trail merge modal

* improve error handling

* require editable target and deletable sources for merge

* avoid duplicate trail fetch during merge

* prevent duplicate likes when merging trails

* check photo download responses during trail merge

* add merge completion toast notifications

* cleanup

* small fixes

* move merge code to backend, option to merge single trail selection with similar one, automatic merge for integrations add as option, maintenance page to find and merge similar trails added

* fix build error

* fix

* docu, beautifying, refactoring

---------

Co-authored-by: Flomp <Flomp@users.noreply.github.com>

db/integrations/strava/models.go

@@ -1,6 +1,10 @@
 package strava
 
-import "time"
+import (
+	"time"
+
+	"pocketbase/trailmerge"
+)
 
 type TokenRequest struct {
 	ClientID     int32  `json:"client_id"`
@@ -21,16 +25,17 @@ type RefreshTokenResponse struct {
 	ExpiresAt    int64  `json:"expires_at"`
 }
 type StravaIntegration struct {
-	Active       bool   `json:"active"`
-	Routes       bool   `json:"routes"`
-	Activities   bool   `json:"activities"`
-	ClientID     int32  `json:"clientId"`
-	ClientSecret string `json:"clientSecret"`
-	AccessToken  string `json:"accessToken,omitempty"`
-	RefreshToken string `json:"refreshToken,omitempty"`
-	ExpiresAt    int64  `json:"expiresAt,omitempty"`
-	Privacy      string `json:"privacy"`
-	After        string `json:"after,omitempty"`
+	Active       bool                                    `json:"active"`
+	Routes       bool                                    `json:"routes"`
+	Activities   bool                                    `json:"activities"`
+	ClientID     int32                                   `json:"clientId"`
+	ClientSecret string                                  `json:"clientSecret"`
+	AccessToken  string                                  `json:"accessToken,omitempty"`
+	RefreshToken string                                  `json:"refreshToken,omitempty"`
+	ExpiresAt    int64                                   `json:"expiresAt,omitempty"`
+	Privacy      string                                  `json:"privacy"`
+	After        string                                  `json:"after,omitempty"`
+	Merge        trailmerge.IntegrationAutoMergeSettings `json:"merge"`
 }
 type StravaRoute struct {
 	Athlete             Athlete     `json:"athlete"`