diff --git a/apps/web/tests/scaffold.ts b/apps/web/tests/scaffold.ts
index 753cdc2953..4ede8ca908 100644
--- a/apps/web/tests/scaffold.ts
+++ b/apps/web/tests/scaffold.ts
@@ -10,6 +10,8 @@
 //
 // Composition divergences from `dsh web`, all deliberate, all via include
 // patches over the SAME tree (never a second yml): temp persistenceRoot;
+// user skill roots redirected to empty temp directories (project skill
+// discovery remains real);
 // workspace-context disabled (recorded fixtures must not embed this repo's
 // AGENTS.md); session-title-llm disabled (its fire-and-forget title call
 // would race the loop for the session's replay cursor); webserver pinned to
@@ -169,6 +171,16 @@ export async function launchWebScaffold(options: LaunchOptions = {}): Promise<We
     // per write; the scaffold restores the original cwd after boot, so the
     // row gets an absolute temp root (removed with the workspace at close).
     { id: 'storage-json', config: { root: join(workspaceCwd, '.dsh-storages') } },
+    // Host-level skills are ambient machine state and must not change replay
+    // goldens. Keep the provider enabled so project skills under workspaceCwd
+    // remain discoverable, but give its user roots empty scaffold-owned paths.
+    {
+      id: 'skill-local',
+      config: {
+        dshHome: join(persistenceRoot, 'skill-dsh-home'),
+        agentsHome: join(persistenceRoot, 'skill-agents-home'),
+      },
+    },
     // fs/bash cwd default to process.cwd(); the gateway injects the same
     // value into session.cwd — chdir below anchors all three to the temp
     // workspace, keeping the composition untouched.
diff --git a/apps/web/tests/snapshots/code-mode-round/ui.expected.md b/apps/web/tests/snapshots/code-mode-round/ui.expected.md
index 25bf957b7f..0282a16f80 100644
--- a/apps/web/tests/snapshots/code-mode-round/ui.expected.md
+++ b/apps/web/tests/snapshots/code-mode-round/ui.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - 'button "Think The user wants me to write a single `run_code` program that:"':
   - img
   - img
diff --git a/apps/web/tests/snapshots/cordis-tool-round/ui.expected.md b/apps/web/tests/snapshots/cordis-tool-round/ui.expected.md
index 1af9111a5c..5b51e47cf4 100644
--- a/apps/web/tests/snapshots/cordis-tool-round/ui.expected.md
+++ b/apps/web/tests/snapshots/cordis-tool-round/ui.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - button "Think The user wants me to:":
   - img
   - img
diff --git a/apps/web/tests/snapshots/fresh-round-trip/ui.expected.md b/apps/web/tests/snapshots/fresh-round-trip/ui.expected.md
index 4045b6bf60..49c7958292 100644
--- a/apps/web/tests/snapshots/fresh-round-trip/ui.expected.md
+++ b/apps/web/tests/snapshots/fresh-round-trip/ui.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - button "Think The user wants me to run a simple bash command and reply with \"DONE\".":
   - img
   - img
diff --git a/apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md b/apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md
index 344e0735b9..45e3514fa4 100644
--- a/apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md
+++ b/apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - button "Think The user wants me to reply with a single word. Let me comply.":
   - img
   - img
diff --git a/apps/web/tests/snapshots/live-interactions/cancel.expected.md b/apps/web/tests/snapshots/live-interactions/cancel.expected.md
index 947b6f4377..4323c94285 100644
--- a/apps/web/tests/snapshots/live-interactions/cancel.expected.md
+++ b/apps/web/tests/snapshots/live-interactions/cancel.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - paragraph: partial
 - text: 已停止
 - button "复制":
diff --git a/apps/web/tests/snapshots/live-interactions/error-auth.expected.md b/apps/web/tests/snapshots/live-interactions/error-auth.expected.md
index db69e22e51..1d78e91c73 100644
--- a/apps/web/tests/snapshots/live-interactions/error-auth.expected.md
+++ b/apps/web/tests/snapshots/live-interactions/error-auth.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - textbox "Message the agent"
 - button "Add attachment":
   - img
diff --git a/apps/web/tests/snapshots/live-interactions/retry.expected.md b/apps/web/tests/snapshots/live-interactions/retry.expected.md
index 4f4c569fd8..6a9c808342 100644
--- a/apps/web/tests/snapshots/live-interactions/retry.expected.md
+++ b/apps/web/tests/snapshots/live-interactions/retry.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - button "Think The user is asking for a one-sentence description of event sourcing. This is a straightforward knowledge question that doesn't require any skill loading or tool calls.":
   - img
   - img
diff --git a/apps/web/tests/snapshots/question-composer/answered.expected.md b/apps/web/tests/snapshots/question-composer/answered.expected.md
index 16a29bd65c..36752c783a 100644
--- a/apps/web/tests/snapshots/question-composer/answered.expected.md
+++ b/apps/web/tests/snapshots/question-composer/answered.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - button "Think The user wants me to use the ask_user_question tool with specific parameters. Let me do exactly that.":
   - img
   - img
diff --git a/apps/web/tests/snapshots/queue-actions/editing.expected.md b/apps/web/tests/snapshots/queue-actions/editing.expected.md
index 3e9ea9b53e..2594f18294 100644
--- a/apps/web/tests/snapshots/queue-actions/editing.expected.md
+++ b/apps/web/tests/snapshots/queue-actions/editing.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - paragraph: partial
 - list:
   - listitem:
diff --git a/apps/web/tests/snapshots/queue-actions/ui.expected.md b/apps/web/tests/snapshots/queue-actions/ui.expected.md
index 2307dfae20..919617bdab 100644
--- a/apps/web/tests/snapshots/queue-actions/ui.expected.md
+++ b/apps/web/tests/snapshots/queue-actions/ui.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - paragraph: partial
 - list:
   - listitem:
diff --git a/apps/web/tests/snapshots/steering/mid-steer.expected.md b/apps/web/tests/snapshots/steering/mid-steer.expected.md
index cbdeeff875..28127fd73b 100644
--- a/apps/web/tests/snapshots/steering/mid-steer.expected.md
+++ b/apps/web/tests/snapshots/steering/mid-steer.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - button "Think The user wants me to use the ask_user_question tool to ask them a specific question with the given parameters. Let me do exactly that.":
   - img
   - img
diff --git a/apps/web/tests/snapshots/steering/settled.expected.md b/apps/web/tests/snapshots/steering/settled.expected.md
index 1facbf953c..5efbcf385d 100644
--- a/apps/web/tests/snapshots/steering/settled.expected.md
+++ b/apps/web/tests/snapshots/steering/settled.expected.md
@@ -11,7 +11,6 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
 - button "Think The user wants me to use the ask_user_question tool to ask them a specific question with the given parameters. Let me do exactly that.":
   - img
   - img