diff --git a/engine/hooks/bug-complaint-leak/README.md b/engine/hooks/bug-complaint-leak/README.md
index 53d6210..1840b16 100644
--- a/engine/hooks/bug-complaint-leak/README.md
+++ b/engine/hooks/bug-complaint-leak/README.md
@@ -15,7 +15,7 @@ like "add a comment to Foo.ts".
 - `state.py` — session cache for empty/repeat Grep
 - `claude_prompt_submit.py` — Claude `UserPromptSubmit` inject
 - `claude_pretooluse_grep.py` / `claude_posttooluse.py` — Grep leak gate
-- `cursor_before_submit.py` / `cursor_post_tool_use.py` — Cursor parity
+- `cursor_before_submit.py` / `cursor_posttooluse.py` — Cursor parity
   (`beforeSubmitPrompt` cannot inject context; checklist arrives on first
   `postToolUse` via `additional_context`)
 - `install_claude_hook.py` / `install_cursor_hook.py` — merge, do not overwrite
diff --git a/engine/hooks/bug-complaint-leak/cursor_before_submit.py b/engine/hooks/bug-complaint-leak/cursor_before_submit.py
index 3c6e528..c72ab7f 100644
--- a/engine/hooks/bug-complaint-leak/cursor_before_submit.py
+++ b/engine/hooks/bug-complaint-leak/cursor_before_submit.py
@@ -2,7 +2,7 @@
 """Cursor beforeSubmitPrompt: remember bug-complaint checklist for later inject.
 
 Cursor's beforeSubmitPrompt schema is continue/user_message only; injection
-happens on the next postToolUse via cursor_post_tool_use.py. Fail-open.
+happens on the next postToolUse via cursor_posttooluse.py. Fail-open.
 """
 from __future__ import annotations
 
diff --git a/engine/hooks/bug-complaint-leak/cursor_post_tool_use.py b/engine/hooks/bug-complaint-leak/cursor_posttooluse.py
similarity index 100%
rename from engine/hooks/bug-complaint-leak/cursor_post_tool_use.py
rename to engine/hooks/bug-complaint-leak/cursor_posttooluse.py
diff --git a/engine/hooks/bug-complaint-leak/install_cursor_hook.py b/engine/hooks/bug-complaint-leak/install_cursor_hook.py
index 44e77bd..daeeb51 100644
--- a/engine/hooks/bug-complaint-leak/install_cursor_hook.py
+++ b/engine/hooks/bug-complaint-leak/install_cursor_hook.py
@@ -3,6 +3,10 @@
 
 If hooks.json is currently a symlink into diu-stop (legacy install.sh layout),
 replace it with a real file so merges never rewrite the diu-stop fragment.
+
+Our own entries are recognised by hook directory (MARKER), not by script
+filename, so a reinstall replaces an entry written under an earlier script name
+instead of leaving it behind pointing at a path that no longer exists.
 """
 from __future__ import annotations
 
@@ -27,17 +31,13 @@
     ],
     "postToolUse": [
         {
-            "command": "python3 $HOME/.cursor/hooks/bug-complaint-leak/cursor_post_tool_use.py",
+            "command": "python3 $HOME/.cursor/hooks/bug-complaint-leak/cursor_posttooluse.py",
             "timeout": 5,
         }
     ],
 }
 
-MARKERS = {
-    "beforeSubmitPrompt": "bug-complaint-leak/cursor_before_submit.py",
-    "preToolUse": "bug-complaint-leak/claude_pretooluse_grep.py",
-    "postToolUse": "bug-complaint-leak/cursor_post_tool_use.py",
-}
+MARKER = "bug-complaint-leak/"
 
 DIU_STOP = {
     "type": "prompt",
@@ -99,7 +99,7 @@ def main() -> None:
     changed = False
     for key, incoming in FRAGMENT.items():
         before = json.dumps(hooks.get(key, []), sort_keys=True)
-        hooks[key] = merge_list(list(hooks.get(key, [])), incoming, MARKERS[key])
+        hooks[key] = merge_list(list(hooks.get(key, [])), incoming, MARKER)
         after = json.dumps(hooks[key], sort_keys=True)
         if before != after:
             changed = True
diff --git a/engine/hooks/llm-judge/tests/test_post_tool_use.py b/engine/hooks/llm-judge/tests/test_post_tool_use.py
index a6a5b9e..274c81b 100644
--- a/engine/hooks/llm-judge/tests/test_post_tool_use.py
+++ b/engine/hooks/llm-judge/tests/test_post_tool_use.py
@@ -86,6 +86,7 @@ def test_hit_is_delivered_as_additional_context_once(self):
         again = self.run_script(self.script, self.payload())
         self.assert_empty_success(again)
         self.assertEqual(again.stderr, "")
+        self.assertEqual(json.dumps(data).count(ON_HIT) + again.stdout.count(ON_HIT), 1)
 
     def test_no_verdict_prints_nothing(self):
         result = self.run_script(self.script, self.payload())
@@ -111,6 +112,7 @@ def test_hit_is_delivered_as_additional_context_once(self):
         again = self.run_script(self.script, self.payload())
         self.assert_empty_success(again)
         self.assertEqual(again.stderr, "")
+        self.assertEqual(json.dumps(data).count(ON_HIT) + again.stdout.count(ON_HIT), 1)
 
     def test_no_verdict_prints_nothing(self):
         result = self.run_script(self.script, self.payload())
@@ -135,6 +137,7 @@ def test_hit_is_delivered_as_additional_context_once(self):
         again = self.run_script(self.script, self.payload())
         self.assert_empty_success(again)
         self.assertEqual(again.stderr, "")
+        self.assertEqual(json.dumps(data).count(ON_HIT) + again.stdout.count(ON_HIT), 1)
 
     def test_no_verdict_prints_nothing(self):
         result = self.run_script(self.script, self.payload())
diff --git a/engine/hooks/repeat-error-stop/cursor_post_tool_use.py b/engine/hooks/repeat-error-stop/cursor_posttooluse.py
similarity index 100%
rename from engine/hooks/repeat-error-stop/cursor_post_tool_use.py
rename to engine/hooks/repeat-error-stop/cursor_posttooluse.py
diff --git a/engine/hooks/repeat-error-stop/install_cursor_hook.py b/engine/hooks/repeat-error-stop/install_cursor_hook.py
index 66cea22..ce30f81 100644
--- a/engine/hooks/repeat-error-stop/install_cursor_hook.py
+++ b/engine/hooks/repeat-error-stop/install_cursor_hook.py
@@ -1,5 +1,10 @@
 #!/usr/bin/env python3
-"""Idempotently merge repeat-error-stop into Cursor hooks.json."""
+"""Idempotently merge repeat-error-stop into Cursor hooks.json.
+
+Our own entries are recognised by hook directory (MARKER), not by script
+filename, so a reinstall replaces an entry written under an earlier script name
+instead of leaving it behind pointing at a path that no longer exists.
+"""
 from __future__ import annotations
 
 import copy
@@ -19,11 +24,11 @@
     }],
     "postToolUse": [{
         "matcher": "*",
-        "command": "python3 $HOME/.cursor/hooks/repeat-error-stop/cursor_post_tool_use.py",
+        "command": "python3 $HOME/.cursor/hooks/repeat-error-stop/cursor_posttooluse.py",
         "timeout": 5,
     }],
 }
-MARKERS = {key: entries[0]["command"].split("$HOME/.cursor/hooks/")[1] for key, entries in FRAGMENT.items()}
+MARKER = "repeat-error-stop/"
 
 
 def merge_hooks(data: dict) -> dict:
@@ -31,8 +36,7 @@ def merge_hooks(data: dict) -> dict:
     result.setdefault("version", 1)
     hooks = result.setdefault("hooks", {})
     for hook_type, incoming in FRAGMENT.items():
-        marker = MARKERS[hook_type]
-        kept = [entry for entry in hooks.get(hook_type, []) if marker not in str(entry.get("command", ""))]
+        kept = [entry for entry in hooks.get(hook_type, []) if MARKER not in str(entry.get("command", ""))]
         hooks[hook_type] = kept + copy.deepcopy(incoming)
     return result