diff --git a/docs/fast-deploy-webhook.md b/docs/fast-deploy-webhook.md
index a188ce6..4796b95 100644
--- a/docs/fast-deploy-webhook.md
+++ b/docs/fast-deploy-webhook.md
@@ -4,7 +4,7 @@ The operator turns a content-only git push into a Cloudflare KV content update
 ("fast deploy"), with **no** code redeploy. Flow:
 
 ```
-git push (main, content-only: .deco/blocks/** + src/server/cms/blocks.gen.json)
+git push (main, content-only: .deco/blocks/** + .deco/blocks.gen.json)
   → GitHub webhook → operator  POST /webhooks/github   (HMAC-verified)
   → DeploymentTarget (cloudflare-workers) resolves the repo's Deco CR,
     creates/updates a Decofile CR (target: tanstack-kv)
@@ -86,8 +86,10 @@ or non-content changes — or per repo (Settings → Webhooks). Either way:
 
 The operator processes only pushes to the repo's default branch whose changed files
 are **all content paths**: under `.deco/blocks/**` or the regenerated bundled snapshot
-`src/server/cms/blocks.gen.json` (Studio commits both together). Any other changed
-file makes it a code push → normal build path. A `ping` event (sent on setup) returns `200`.
+`.deco/blocks.gen.json` (7.x `@decocms/blocks-cli`) / `src/server/cms/blocks.gen.json`
+(legacy `@decocms/start@6`) — Studio commits the blocks + the snapshot together. Any
+other changed file makes it a code push → normal build path. A `ping` event (sent on
+setup) returns `200`.
 
 ## 4. Verify
 
diff --git a/internal/deploy/target.go b/internal/deploy/target.go
index 6954cbd..7a8ca3b 100644
--- a/internal/deploy/target.go
+++ b/internal/deploy/target.go
@@ -26,10 +26,15 @@ import (
 const (
 	// blocksPrefix is the repo-relative directory holding the decofile blocks.
 	blocksPrefix = ".deco/blocks/"
-	// blocksGenFile is the bundled snapshot Studio regenerates alongside a
-	// content commit (used for HMR). It is derived from .deco/blocks, so its
-	// presence in a diff carries no code change.
-	blocksGenFile = "src/server/cms/blocks.gen.json"
+	// blocksGenFile is the bundled snapshot regenerated alongside a content
+	// commit (used for HMR). It is derived from .deco/blocks, so its presence
+	// in a diff carries no code change. 7.x (@decocms/blocks-cli) emits it at
+	// .deco/blocks.gen.json.
+	blocksGenFile = ".deco/blocks.gen.json"
+	// blocksGenFileLegacy is the pre-7.x location (@decocms/start@6, emitted
+	// under src/server/cms/). Kept so sites not yet on the split packages still
+	// fast-deploy content-only commits.
+	blocksGenFileLegacy = "src/server/cms/blocks.gen.json"
 )
 
 // PushEvent is the normalized git push the webhook hands to a DeploymentTarget.
@@ -100,7 +105,7 @@ func isContentOnly(files []string) bool {
 
 // isContentPath reports whether a single changed file counts as content.
 func isContentPath(f string) bool {
-	return strings.HasPrefix(f, blocksPrefix) || f == blocksGenFile
+	return strings.HasPrefix(f, blocksPrefix) || f == blocksGenFile || f == blocksGenFileLegacy
 }
 
 // maxNameLen is the Kubernetes object-name ceiling (DNS-1123 label).
diff --git a/internal/deploy/target_test.go b/internal/deploy/target_test.go
index 46d5af1..84385ae 100644
--- a/internal/deploy/target_test.go
+++ b/internal/deploy/target_test.go
@@ -10,16 +10,23 @@ func TestIsContentOnly(t *testing.T) {
 	}{
 		{"empty list is not content", nil, false},
 		{"blocks only", []string{".deco/blocks/pages-home.json"}, true},
-		{"gen snapshot only", []string{"src/server/cms/blocks.gen.json"}, true},
-		{"blocks + gen snapshot (studio commit)", []string{
+		{"gen snapshot only (7.x .deco)", []string{".deco/blocks.gen.json"}, true},
+		{"gen snapshot only (legacy src/server/cms)", []string{"src/server/cms/blocks.gen.json"}, true},
+		{"blocks + gen snapshot (7.x studio commit)", []string{
 			".deco/blocks/pages-home.json",
 			".deco/blocks/loaders-products.json",
+			".deco/blocks.gen.json",
+		}, true},
+		{"blocks + gen snapshot (legacy studio commit)", []string{
+			".deco/blocks/pages-home.json",
 			"src/server/cms/blocks.gen.json",
 		}, true},
 		{"mixed with code", []string{".deco/blocks/pages-home.json", "src/components/Header.tsx"}, false},
 		{"code only", []string{"src/components/Header.tsx"}, false},
 		{"sibling dir does not match prefix", []string{".deco/blocks-old/x.json"}, false},
-		{"other gen files are code", []string{"src/server/cms/sections.gen.ts"}, false},
+		{"legacy sibling gen files are code", []string{"src/server/cms/sections.gen.ts"}, false},
+		{"other .deco gen files are code (7.x)", []string{".deco/sections.gen.ts"}, false},
+		{"other .deco gen files are code (7.x meta)", []string{".deco/meta.gen.json"}, false},
 	}
 	for _, tc := range cases {
 		t.Run(tc.name, func(t *testing.T) {