ci: add Forgejo Actions test and security scan workflows

Uses reusable workflows from core/go-devops for Go testing
(with race detector and coverage) and security scanning
(govulncheck, gitleaks, trivy).

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

.forgejo/workflows/security-scan.yml

@@ -0,0 +1,12 @@
+name: Security Scan
+
+on:
+  push:
+    branches: [main, dev, 'feat/*']
+  pull_request:
+    branches: [main]
+
+jobs:
+  security:
+    uses: core/go-devops/.forgejo/workflows/security-scan.yml@main
+    secrets: inherit

.forgejo/workflows/test.yml

@@ -0,0 +1,14 @@
+name: Test
+
+on:
+  push:
+    branches: [main, dev]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    uses: core/go-devops/.forgejo/workflows/go-test.yml@main
+    with:
+      race: true
+      coverage: true

examples/dht_helpers/main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	po "github.com/Snider/Poindexter"
+	po "forge.lthn.ai/Snider/Poindexter"
 )
 
 // BuildPingHop2D wraps poindexter.Build2D to construct 2D points from (ping_ms, hop_count).

examples/dht_ping_1d/example_test.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 	"testing"
 )
 

examples/dht_ping_1d/main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 )
 
 type Peer struct {

examples/kdtree_2d_ping_hop/example_test.go

@@ -3,7 +3,7 @@ package main
 import (
 	"testing"
 
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 )
 
 type peer2 struct {

examples/kdtree_2d_ping_hop/main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 )
 
 type Peer2 struct {

examples/kdtree_3d_ping_hop_geo/example_test.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 	"testing"
 )
 

examples/kdtree_3d_ping_hop_geo/main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 )
 
 type Peer3 struct {

examples/kdtree_4d_ping_hop_geo_score/example_test.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 	"testing"
 )
 

examples/kdtree_4d_ping_hop_geo_score/main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 )
 
 type Peer4 struct {

examples_test.go

@@ -3,7 +3,7 @@ package poindexter_test
 import (
 	"fmt"
 
-	poindexter "github.com/Snider/Poindexter"
+	poindexter "forge.lthn.ai/Snider/Poindexter"
 )
 
 func ExampleNewKDTree() {

go.mod

@@ -1,3 +1,3 @@
-module github.com/Snider/Poindexter
+module forge.lthn.ai/Snider/Poindexter
 
 go 1.23

wasm/main.go

@@ -8,7 +8,7 @@ import (
 	"fmt"
 	"syscall/js"
 
-	pd "github.com/Snider/Poindexter"
+	pd "forge.lthn.ai/Snider/Poindexter"
 )
 
 // Simple registry for KDTree instances created from JS.