Add ARN-based resource identity to ivs

Add resource identity to ARN-based resources in `ivs`. This includes:

`aws_ivs_channel`
`aws_ivs_playback_key_pair`
`aws_ivs_recording_configuration`

```console
% make testacc PKG=ivs TESTS="TestAccIVSChannel|TestAccIVSRecordingConfiguration|TestAccIVS_serial/PlaybackKeyPair/"
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.24.5 test ./internal/service/ivs/... -v -count 1 -parallel 20 -run='TestAccIVSChannel|TestAccIVSRecordingConfiguration|TestAccIVS_serial/PlaybackKeyPair/'  -timeout 360m -vet=off
2025/08/04 16:32:55 Creating Terraform AWS Provider (SDKv2-style)...
2025/08/04 16:32:56 Initializing Terraform AWS Provider (SDKv2-style)...

--- PASS: TestAccIVSChannel_disappears (25.72s)
=== RUN   TestAccIVS_serial/PlaybackKeyPair/update
--- PASS: TestAccIVSChannel_basic (29.70s)
--- PASS: TestAccIVSRecordingConfiguration_disappears_S3Bucket (38.53s)
--- PASS: TestAccIVSChannel_Identity_Basic (45.48s)
--- PASS: TestAccIVSRecordingConfiguration_disappears (45.81s)
--- PASS: TestAccIVSChannel_recordingConfiguration (46.30s)
--- PASS: TestAccIVSChannel_update (46.42s)
--- PASS: TestAccIVSRecordingConfiguration_basic (49.21s)
--- PASS: TestAccIVSChannel_Identity_RegionOverride (52.01s)
--- PASS: TestAccIVSChannel_tags (56.36s)
--- PASS: TestAccIVSRecordingConfiguration_Identity_RegionOverride (56.58s)
--- PASS: TestAccIVSChannel_Identity_ExistingResource (60.47s)
=== RUN   TestAccIVS_serial/PlaybackKeyPair/tags
--- PASS: TestAccIVSRecordingConfiguration_Identity_Basic (61.72s)
--- PASS: TestAccIVSRecordingConfiguration_update (64.36s)
--- PASS: TestAccIVSRecordingConfiguration_Identity_ExistingResource (69.30s)
--- PASS: TestAccIVSRecordingConfiguration_tags (77.87s)
=== RUN   TestAccIVS_serial/PlaybackKeyPair/disappears
=== RUN   TestAccIVS_serial/PlaybackKeyPair/identity
=== RUN   TestAccIVS_serial/PlaybackKeyPair/identity/basic
=== RUN   TestAccIVS_serial/PlaybackKeyPair/identity/ExistingResource
=== RUN   TestAccIVS_serial/PlaybackKeyPair/identity/RegionOverride
--- PASS: TestAccIVS_serial (198.39s)
    --- PASS: TestAccIVS_serial/PlaybackKeyPair (198.39s)
        --- PASS: TestAccIVS_serial/PlaybackKeyPair/basic (29.36s)
        --- PASS: TestAccIVS_serial/PlaybackKeyPair/update (31.69s)
        --- PASS: TestAccIVS_serial/PlaybackKeyPair/tags (35.14s)
        --- PASS: TestAccIVS_serial/PlaybackKeyPair/disappears (12.56s)
        --- PASS: TestAccIVS_serial/PlaybackKeyPair/identity (89.64s)
            --- PASS: TestAccIVS_serial/PlaybackKeyPair/identity/basic (22.38s)
            --- PASS: TestAccIVS_serial/PlaybackKeyPair/identity/ExistingResource (41.32s)
            --- PASS: TestAccIVS_serial/PlaybackKeyPair/identity/RegionOverride (25.94s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/ivs        204.684s
```

Author: jar-b

internal/service/ivs/channel.go

@@ -28,17 +28,17 @@ import (
 
 // @SDKResource("aws_ivs_channel", name="Channel")
 // @Tags(identifierAttribute="id")
+// @ArnIdentity
+// @Testing(existsType="github.com/aws/aws-sdk-go-v2/service/ivs/types;awstypes.Channel")
+// @Testing(preIdentityVersion="v6.5.0")
+// @Testing(generator=false)
 func ResourceChannel() *schema.Resource {
 	return &schema.Resource{
 		CreateWithoutTimeout: resourceChannelCreate,
 		ReadWithoutTimeout:   resourceChannelRead,
 		UpdateWithoutTimeout: resourceChannelUpdate,
 		DeleteWithoutTimeout: resourceChannelDelete,
 
-		Importer: &schema.ResourceImporter{
-			StateContext: schema.ImportStatePassthroughContext,
-		},
-
 		Timeouts: &schema.ResourceTimeout{
 			Create: schema.DefaultTimeout(5 * time.Minute),
 			Update: schema.DefaultTimeout(5 * time.Minute),

internal/service/ivs/channel_identity_gen_test.go

@@ -3,6 +3,7 @@
 
 //go:generate go run ../../generate/tags/main.go -KVTValues -ListTags -ServiceTagsMap -UpdateTags
 //go:generate go run ../../generate/servicepackage/main.go
+//go:generate go run ../../generate/identitytests/main.go
 // ONLY generate directives and package declaration! Do not add anything else to this file.
 
 package ivs

internal/service/ivs/generate.go

@@ -18,6 +18,7 @@ func TestAccIVS_serial(t *testing.T) {
 			"update":             testAccPlaybackKeyPair_update,
 			"tags":               testAccPlaybackKeyPair_tags,
 			acctest.CtDisappears: testAccPlaybackKeyPair_disappears,
+			"identity":           testAccIVSPlaybackKeyPair_IdentitySerial,
 		},
 	}
 

internal/service/ivs/ivs_test.go

@@ -24,16 +24,20 @@ import (
 
 // @SDKResource("aws_ivs_playback_key_pair", name="Playback Key Pair")
 // @Tags(identifierAttribute="id")
+// @ArnIdentity
+// @Testing(existsType="github.com/aws/aws-sdk-go-v2/service/ivs/types;awstypes.PlaybackKeyPair")
+// @Testing(preIdentityVersion="v6.5.0")
+// @Testing(serialize=true)
+// @Testing(generator=false)
+// @Testing(tlsEcdsaPublicKeyPem=true)
+// @Testing(importIgnore="public_key")
+// @Testing(plannableImportAction=Replace)
 func ResourcePlaybackKeyPair() *schema.Resource {
 	return &schema.Resource{
 		CreateWithoutTimeout: resourcePlaybackKeyPairCreate,
 		ReadWithoutTimeout:   resourcePlaybackKeyPairRead,
 		DeleteWithoutTimeout: resourcePlaybackKeyPairDelete,
 
-		Importer: &schema.ResourceImporter{
-			StateContext: schema.ImportStatePassthroughContext,
-		},
-
 		Timeouts: &schema.ResourceTimeout{
 			Create: schema.DefaultTimeout(5 * time.Minute),
 			Delete: schema.DefaultTimeout(5 * time.Minute),