fix(letta): harden official Python hook integration

tests/test_settings_hook_detection.py

@@ -1,15 +1,39 @@
 from __future__ import annotations
 
-from elydora.plugins.letta import _is_elydora_hook as is_letta_hook
+from pathlib import Path
+import sys
+
+import pytest
+
+from elydora.plugins.letta_command import build_letta_command
+from elydora.plugins.letta_contract import managed_letta_removals
 
 
-def test_hook_detection_handles_only_string_commands() -> None:
-    assert is_letta_hook({"command": 42}, "") is False
-    assert is_letta_hook({"hooks": [{"command": None}]}, "") is False
-    assert is_letta_hook(
-        {"hooks": [{"command": "run .elydora/agent-1/hook.py"}]}, ""
-    ) is True
-    assert is_letta_hook(
-        {"hooks": [{"command": "run .elydora/agent-1/hook.py"}]},
-        "agent-2",
-    ) is False
+def test_letta_hook_detection_requires_exact_owned_commands(
+    monkeypatch: pytest.MonkeyPatch, tmp_path: Path
+) -> None:
+    home = tmp_path / "home"
+    guard = home / ".elydora" / "agent-1" / "guard.py"
+    monkeypatch.setenv("HOME", str(home))
+    monkeypatch.setenv("USERPROFILE", str(home))
+    hooks = {
+        "PreToolUse": [{
+            "matcher": "*",
+            "hooks": [{
+                "type": "command",
+                "command": build_letta_command(str(guard)),
+                "timeout": 10_000,
+            }],
+        }],
+    }
+    assert len(managed_letta_removals(hooks)) == 1
+
+    hooks["PreToolUse"][0]["hooks"][0]["quiet"] = True
+    assert managed_letta_removals(hooks) == []
+
+    hooks["PreToolUse"][0]["hooks"][0] = {
+        "type": "command",
+        "command": f'"{sys.executable}" {guard}',
+    }
+    assert len(managed_letta_removals(hooks, "agent-1")) == 1
+    assert managed_letta_removals(hooks, "agent-2") == []