fix(profiles): migrate Honcho host on rename

hermes_cli/profiles.py

@@ -954,6 +954,59 @@ def import_profile(archive_path: str, name: Optional[str] = None) -> Path:
 # Rename
 # ---------------------------------------------------------------------------
 
+def _migrate_honcho_profile_host(old_name: str, new_name: str, new_dir: Path) -> None:
+    """Rename Honcho host blocks for a renamed profile without changing peers."""
+    old_host = f"hermes.{old_name}"
+    new_host = f"hermes.{new_name}"
+
+    candidates = [
+        new_dir / "honcho.json",
+        _get_default_hermes_home() / "honcho.json",
+        Path.home() / ".honcho" / "config.json",
+    ]
+
+    seen: set[Path] = set()
+    for path in candidates:
+        try:
+            resolved = path.resolve()
+        except OSError:
+            resolved = path
+        if resolved in seen or not path.is_file():
+            continue
+        seen.add(resolved)
+
+        try:
+            raw = json.loads(path.read_text(encoding="utf-8"))
+        except (OSError, json.JSONDecodeError):
+            continue
+
+        hosts = raw.get("hosts")
+        if not isinstance(hosts, dict) or old_host not in hosts:
+            continue
+
+        if new_host in hosts:
+            print(f"⚠ Honcho host block not migrated: {new_host} already exists in {path}")
+            continue
+
+        block = hosts[old_host]
+        if isinstance(block, dict) and "aiPeer" not in block:
+            bare = old_host.split(".", 1)[1] if "." in old_host else old_host
+            block["aiPeer"] = bare
+        hosts[new_host] = hosts.pop(old_host)
+        tmp = path.with_suffix(path.suffix + ".tmp")
+        try:
+            tmp.write_text(json.dumps(raw, indent=2, ensure_ascii=False) + "\n", encoding="utf-8")
+            tmp.replace(path)
+        except OSError:
+            try:
+                tmp.unlink(missing_ok=True)
+            except OSError:
+                pass
+            continue
+
+        print(f"✓ Honcho host updated: {old_host} → {new_host}")
+
+
 def rename_profile(old_name: str, new_name: str) -> Path:
     """Rename a profile: directory, wrapper script, service, active_profile.
 
@@ -984,7 +1037,10 @@ def rename_profile(old_name: str, new_name: str) -> Path:
     old_dir.rename(new_dir)
     print(f"✓ Renamed {old_dir.name} → {new_dir.name}")
 
-    # 3. Update wrapper script
+    # 3. Update profile-scoped Honcho host blocks, preserving aiPeer identity
+    _migrate_honcho_profile_host(old_name, new_name, new_dir)
+
+    # 4. Update wrapper script
     remove_wrapper_script(old_name)
     collision = check_alias_collision(new_name)
     if not collision:
@@ -993,7 +1049,7 @@ def rename_profile(old_name: str, new_name: str) -> Path:
     else:
         print(f"⚠ Cannot create alias '{new_name}' — {collision}")
 
-    # 4. Update active_profile if it pointed to old name
+    # 5. Update active_profile if it pointed to old name
     try:
         if get_active_profile() == old_name:
             set_active_profile(new_name)

tests/hermes_cli/test_profiles.py

@@ -384,6 +384,69 @@ class TestRenameProfile:
         assert new_dir.is_dir()
         assert new_dir == tmp_path / ".hermes" / "profiles" / "newname"
 
+    def test_renames_root_honcho_host_without_changing_ai_peer(self, profile_env):
+        tmp_path = profile_env
+        create_profile("ssi_health", no_alias=True)
+        honcho_path = tmp_path / ".hermes" / "honcho.json"
+        honcho_path.write_text(json.dumps({
+            "hosts": {
+                "hermes.ssi_health": {
+                    "recallMode": "hybrid",
+                    "writeFrequency": "async",
+                    "sessionStrategy": "per-session",
+                    "saveMessages": True,
+                    "peerName": "user-peer",
+                    "aiPeer": "ssi_health",
+                    "workspace": "hermes",
+                    "enabled": True,
+                }
+            }
+        }))
+
+        with patch("hermes_cli.profiles.check_alias_collision", return_value="skip"):
+            rename_profile("ssi_health", "heimdall")
+
+        cfg = json.loads(honcho_path.read_text())
+        assert "hermes.ssi_health" not in cfg["hosts"]
+        assert cfg["hosts"]["hermes.heimdall"]["aiPeer"] == "ssi_health"
+        assert cfg["hosts"]["hermes.heimdall"]["peerName"] == "user-peer"
+
+    def test_pins_ai_peer_when_absent_on_honcho_host_rename(self, profile_env):
+        tmp_path = profile_env
+        create_profile("ssi_health", no_alias=True)
+        honcho_path = tmp_path / ".hermes" / "honcho.json"
+        honcho_path.write_text(json.dumps({
+            "hosts": {
+                "hermes.ssi_health": {"workspace": "hermes", "enabled": True}
+            }
+        }))
+
+        with patch("hermes_cli.profiles.check_alias_collision", return_value="skip"):
+            rename_profile("ssi_health", "heimdall")
+
+        cfg = json.loads(honcho_path.read_text())
+        assert "hermes.ssi_health" not in cfg["hosts"]
+        assert cfg["hosts"]["hermes.heimdall"]["aiPeer"] == "ssi_health"
+        assert cfg["hosts"]["hermes.heimdall"]["workspace"] == "hermes"
+
+    def test_does_not_overwrite_existing_honcho_host_on_rename(self, profile_env):
+        tmp_path = profile_env
+        create_profile("ssi_health", no_alias=True)
+        honcho_path = tmp_path / ".hermes" / "honcho.json"
+        honcho_path.write_text(json.dumps({
+            "hosts": {
+                "hermes.ssi_health": {"aiPeer": "ssi_health"},
+                "hermes.heimdall": {"aiPeer": "heimdall"},
+            }
+        }))
+
+        with patch("hermes_cli.profiles.check_alias_collision", return_value="skip"):
+            rename_profile("ssi_health", "heimdall")
+
+        cfg = json.loads(honcho_path.read_text())
+        assert cfg["hosts"]["hermes.ssi_health"]["aiPeer"] == "ssi_health"
+        assert cfg["hosts"]["hermes.heimdall"]["aiPeer"] == "heimdall"
+
     def test_default_raises_value_error(self, profile_env):
         with pytest.raises(ValueError, match="default"):
             rename_profile("default", "newname")