from __future__ import annotations

import ctypes
import json
import os
import shutil
import sqlite3
import subprocess
import sys
import tomllib
import uuid
from pathlib import Path

import pytest

from opensquilla.recovery import (
    AtomicStateUnknownError,
    InvalidWorkspaceError,
    RecoveryRequiredError,
    WorkspaceOverrideError,
    choose_workspace,
    guard_desktop_profile,
    inspect_profile,
    reconcile_profile,
)


def _workspace(path: Path, marker: str = "synthetic") -> Path:
    path.mkdir(parents=True)
    (path / "SOUL.md").write_text(f"{marker}\n", encoding="utf-8")
    return path


def _desktop_config(home: Path, *, workspace: Path | None = None, extra: str = "") -> None:
    lines = [f"state_dir = {json.dumps(str(home / 'state'))}"]
    if workspace is not None:
        lines.append(f"workspace_dir = {json.dumps(str(workspace))}")
    if extra:
        lines.append(extra.rstrip("\n"))
    home.mkdir(parents=True, exist_ok=True)
    (home / "state").mkdir(exist_ok=True)
    (home / "config.toml").write_text("\n".join(lines) + "\n", encoding="utf-8")


def test_offline_cli_ignores_cwd_dotenv_but_reads_profile_override(
    tmp_path: Path,
) -> None:
    cwd = tmp_path / "cwd"
    home = tmp_path / "profile"
    cwd.mkdir()
    external = _workspace(tmp_path / "profile-workspace")
    _workspace(home / "workspace")
    _desktop_config(home)
    (cwd / ".env").write_text(
        f"OPENSQUILLA_GATEWAY_WORKSPACE_DIR={tmp_path / 'wrong-cwd'}\n",
        encoding="utf-8",
    )
    (home / ".env").write_text(
        f"OPENSQUILLA_GATEWAY_WORKSPACE_DIR={external}\n",
        encoding="utf-8",
    )
    environment = os.environ.copy()
    environment.pop("OPENSQUILLA_GATEWAY_WORKSPACE_DIR", None)
    environment["OPENSQUILLA_STATE_DIR"] = str(home)

    completed = subprocess.run(
        [
            sys.executable,
            "-m",
            "opensquilla.cli.main",
            "recovery",
            "inspect",
            "--home",
            str(home),
            "--json",
        ],
        cwd=cwd,
        env=environment,
        text=True,
        capture_output=True,
        check=False,
    )

    assert completed.returncode == 0, completed.stderr
    payload = json.loads(completed.stdout)
    assert payload["effective_workspace"] == str(external)
    assert payload["stable_code"] == "workspace_env_override"


@pytest.mark.parametrize(
    ("profile_kind", "outcome"),
    [("desktop-primary", "ready"), ("desktop-recovery", "recovery_profile")],
)
def test_empty_profile_is_safe_to_initialize(
    tmp_path: Path,
    profile_kind: str,
    outcome: str,
) -> None:
    home = tmp_path / "not-created"

    report = inspect_profile(home, profile_kind=profile_kind)

    assert report.outcome == outcome
    assert report.stable_code.startswith("fresh_")
    assert not home.exists(), "read-only inspection must not create a fresh home"


def test_existing_empty_profile_is_safe_to_initialize(tmp_path: Path) -> None:
    home = tmp_path / "empty-profile"
    home.mkdir()

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "ready"
    assert report.stable_code == "fresh_profile"
    assert list(home.iterdir()) == []


@pytest.mark.parametrize("entry_kind", ["file", "directory"])
def test_unknown_only_profile_is_never_seeded_as_fresh(
    tmp_path: Path,
    entry_kind: str,
) -> None:
    home = tmp_path / "unknown-profile"
    home.mkdir()
    unknown = home / "unknown-layout"
    if entry_kind == "file":
        unknown.write_text("synthetic unknown profile evidence\n", encoding="utf-8")
    else:
        unknown.mkdir()
        (unknown / "USER.md").write_text("synthetic preserved identity\n", encoding="utf-8")
    before = sorted(path.relative_to(home) for path in home.rglob("*"))

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "unknown_layout"
    assert sorted(path.relative_to(home) for path in home.rglob("*")) == before
    assert not (home / "workspace").exists()
    assert not (home / "state").exists()


def test_unknown_profile_symlink_is_not_followed_or_seeded(tmp_path: Path) -> None:
    home = tmp_path / "unknown-profile"
    outside = tmp_path / "outside"
    home.mkdir()
    outside.mkdir()
    sentinel = outside / "USER.md"
    sentinel.write_text("synthetic preserved identity\n", encoding="utf-8")
    linked = home / "unknown-layout"
    try:
        linked.symlink_to(outside, target_is_directory=True)
    except OSError:
        pytest.skip("symlink creation is unavailable")

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "unknown_layout"
    assert linked.is_symlink()
    assert sentinel.read_text(encoding="utf-8") == "synthetic preserved identity\n"
    assert not (home / "workspace").exists()
    assert not (home / "state").exists()


@pytest.mark.skipif(sys.platform != "win32", reason="requires a real Windows junction")
def test_unknown_profile_junction_is_not_followed_or_seeded(tmp_path: Path) -> None:
    home = tmp_path / "unknown-profile"
    outside = tmp_path / "outside"
    home.mkdir()
    outside.mkdir()
    sentinel = outside / "USER.md"
    sentinel.write_text("synthetic preserved identity\n", encoding="utf-8")
    junction = home / "unknown-layout"
    completed = subprocess.run(
        ["cmd", "/c", "mklink", "/J", str(junction), str(outside)],
        text=True,
        capture_output=True,
        check=False,
    )
    if completed.returncode != 0:
        pytest.skip(f"junction creation is unavailable: {completed.stderr}")

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "unknown_layout"
    assert sentinel.read_text(encoding="utf-8") == "synthetic preserved identity\n"
    assert not (home / "workspace").exists()
    assert not (home / "state").exists()


@pytest.mark.parametrize(
    ("override_name", "stable_code"),
    [
        ("OPENSQUILLA_GATEWAY_WORKSPACE_DIR", "effective_state_missing"),
        ("OPENSQUILLA_GATEWAY_STATE_DIR", "effective_state_missing"),
    ],
)
def test_empty_primary_with_missing_environment_override_is_not_fresh(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
    override_name: str,
    stable_code: str,
) -> None:
    home = tmp_path / "not-created"
    missing = tmp_path / "missing-external"
    monkeypatch.setenv(override_name, str(missing))

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == stable_code
    assert not home.exists()
    assert not missing.exists()


@pytest.mark.parametrize(
    ("external_role", "stable_code"),
    [
        ("workspace", "recovery_profile_external_workspace"),
        ("state", "recovery_profile_external_state"),
    ],
)
def test_recovery_profile_rejects_external_primary_data_roots(
    tmp_path: Path,
    external_role: str,
    stable_code: str,
) -> None:
    recovery_home = tmp_path / "recovery-profiles" / str(uuid.uuid4()) / "opensquilla"
    primary_home = tmp_path / "opensquilla"
    primary_workspace = _workspace(primary_home / "workspace", "primary identity")
    primary_state = primary_home / "state"
    primary_state.mkdir()
    recovery_workspace = _workspace(recovery_home / "workspace", "recovery identity")
    recovery_state = recovery_home / "state"
    recovery_state.mkdir()
    workspace = primary_workspace if external_role == "workspace" else recovery_workspace
    state = primary_state if external_role == "state" else recovery_state
    (recovery_home / "config.toml").write_text(
        f"state_dir = {json.dumps(str(state))}\n"
        f"workspace_dir = {json.dumps(str(workspace))}\n",
        encoding="utf-8",
    )

    report = inspect_profile(recovery_home, profile_kind="desktop-recovery")

    assert report.outcome == "recovery_required"
    assert report.stable_code == stable_code
    assert report.effective_workspace is None
    assert "continue-recovery-profile" not in report.allowed_actions
    assert "create-recovery-profile" in report.allowed_actions


def test_healthy_recovery_profile_cannot_be_repointed_to_external_workspace(
    tmp_path: Path,
) -> None:
    recovery_home = tmp_path / "recovery-profiles" / str(uuid.uuid4()) / "opensquilla"
    canonical_workspace = _workspace(recovery_home / "workspace", "recovery identity")
    (recovery_home / "state").mkdir()
    _desktop_config(recovery_home, workspace=canonical_workspace)
    external_workspace = _workspace(tmp_path / "external-workspace", "external identity")
    config_path = recovery_home / "config.toml"
    config_before = config_path.read_bytes()

    before = inspect_profile(recovery_home, profile_kind="desktop-recovery")

    assert before.outcome == "recovery_profile"
    assert before.stable_code == "canonical_workspace"
    assert "choose-workspace" not in before.allowed_actions
    with pytest.raises(InvalidWorkspaceError, match="recovery profile"):
        choose_workspace(
            recovery_home,
            transaction_id=before.transaction_id,
            expected_revision=before.revision,
            workspace=external_workspace,
            profile_kind="desktop-recovery",
        )

    assert config_path.read_bytes() == config_before
    after = inspect_profile(recovery_home, profile_kind="desktop-recovery")
    assert after.outcome == "recovery_profile"
    assert after.effective_workspace == canonical_workspace


def test_empty_recovery_profile_rejects_ambient_primary_override(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    recovery_home = tmp_path / "recovery-profiles" / str(uuid.uuid4()) / "opensquilla"
    primary_workspace = _workspace(tmp_path / "opensquilla" / "workspace")
    monkeypatch.setenv("OPENSQUILLA_GATEWAY_WORKSPACE_DIR", str(primary_workspace))

    report = inspect_profile(recovery_home, profile_kind="desktop-recovery")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "recovery_profile_external_workspace"
    assert not recovery_home.exists()


def test_recovery_profile_canonical_symlink_cannot_escape_to_primary(
    tmp_path: Path,
) -> None:
    recovery_home = tmp_path / "recovery-profiles" / str(uuid.uuid4()) / "opensquilla"
    recovery_home.mkdir(parents=True)
    primary_workspace = _workspace(tmp_path / "opensquilla" / "workspace")
    try:
        (recovery_home / "workspace").symlink_to(primary_workspace, target_is_directory=True)
    except OSError:
        pytest.skip("symlink creation is unavailable")
    (recovery_home / "state").mkdir()
    (recovery_home / "config.toml").write_text(
        f"state_dir = {json.dumps(str(recovery_home / 'state'))}\n"
        f"workspace_dir = {json.dumps(str(recovery_home / 'workspace'))}\n",
        encoding="utf-8",
    )

    report = inspect_profile(recovery_home, profile_kind="desktop-recovery")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "recovery_profile_unsafe_workspace"
    assert (primary_workspace / "SOUL.md").read_text(encoding="utf-8") == "synthetic\n"


def test_pinned_legacy_workspace_stays_in_place_and_is_attention(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace", "legacy")
    _desktop_config(home, workspace=legacy)

    before = inspect_profile(home)
    after = reconcile_profile(home)

    assert before.outcome == after.outcome == "attention"
    assert before.stable_code == after.stable_code == "legacy_workspace_pinned"
    assert after.effective_workspace == legacy
    assert legacy.is_dir()
    assert not (home / "workspace").exists()


def test_dual_workspace_preserves_configured_current_path(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    canonical = _workspace(home / "workspace", "canonical changed")
    legacy = _workspace(home / "state" / "workspace", "legacy changed")
    _desktop_config(home, workspace=legacy)

    report = reconcile_profile(home)

    assert report.outcome == "attention"
    assert report.stable_code == "workspace_conflict"
    assert report.effective_workspace == legacy
    assert (canonical / "SOUL.md").read_text(encoding="utf-8") == "canonical changed\n"
    assert (legacy / "SOUL.md").read_text(encoding="utf-8") == "legacy changed\n"


def test_clean_proven_legacy_workspace_moves_only_during_reconcile(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace", "legacy")
    _desktop_config(home)
    legacy_env = home / "state" / ".env"
    legacy_env.write_text("SYNTHETIC=value\n", encoding="utf-8")

    inspected = inspect_profile(home)

    assert inspected.outcome == "recovery_required"
    assert inspected.stable_code == "legacy_workspace_reconcile_available"
    assert legacy.is_dir()
    assert not (home / "workspace").exists()

    reconciled = reconcile_profile(home)

    assert reconciled.outcome == "ready"
    assert reconciled.effective_workspace == home / "workspace"
    assert not legacy.exists()
    assert (home / "workspace" / "SOUL.md").read_text(encoding="utf-8") == "legacy\n"
    assert not legacy_env.exists()
    assert (home / ".env").read_text(encoding="utf-8") == "SYNTHETIC=value\n"
    assert (home / "state" / "gateway.pid.lock").is_file()


def test_primary_reconcile_finalizes_v2_marker_without_touching_config_or_database(
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    database = home / "state" / "sessions.db"
    with sqlite3.connect(database) as connection:
        connection.execute("CREATE TABLE synthetic_sessions (id TEXT PRIMARY KEY)")
    config_before = (home / "config.toml").read_bytes()
    database_before = database.read_bytes()

    report = reconcile_profile(home, profile_kind="desktop-primary")

    marker = home / "desktop-layout-v2.json"
    assert report.outcome == "ready"
    assert marker.is_file()
    if os.name != "nt":
        assert marker.stat().st_mode & 0o777 == 0o600
    payload = json.loads(marker.read_text(encoding="utf-8"))
    assert payload["schema_version"] == 2
    assert payload["moved"] == []
    assert (home / "config.toml").read_bytes() == config_before
    assert database.read_bytes() == database_before


def test_recovery_or_required_profile_never_writes_primary_compatibility_marker(
    tmp_path: Path,
) -> None:
    recovery_home = tmp_path / "recovery"
    _workspace(recovery_home / "workspace")
    _desktop_config(recovery_home)
    recovery = reconcile_profile(recovery_home, profile_kind="desktop-recovery")
    assert recovery.outcome == "recovery_profile"
    assert not (recovery_home / "desktop-layout-v2.json").exists()

    unsafe_home = tmp_path / "unsafe"
    _desktop_config(unsafe_home, workspace=tmp_path / "missing")
    required = reconcile_profile(unsafe_home, profile_kind="desktop-primary")
    assert required.outcome == "recovery_required"
    assert not (unsafe_home / "desktop-layout-v2.json").exists()


def test_marker_is_not_written_while_any_rc3_role_conflicts(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    (home / "skills").mkdir()
    (home / "state" / "skills").mkdir(parents=True)

    report = reconcile_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "attention"
    assert not (home / "desktop-layout-v2.json").exists()


def test_explicit_legacy_workspace_pin_is_safe_for_marker_finalization(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace")
    _desktop_config(home, workspace=legacy)

    report = reconcile_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "attention"
    assert report.stable_code == "legacy_workspace_pinned"
    assert (home / "desktop-layout-v2.json").is_file()
    assert legacy.is_dir()


def test_unsafe_existing_marker_is_attention_and_never_overwritten(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    outside = tmp_path / "outside-marker.json"
    outside.write_text("do not touch\n", encoding="utf-8")
    try:
        (home / "desktop-layout-v2.json").symlink_to(outside)
    except OSError:
        pytest.skip("symlink creation is unavailable")

    report = reconcile_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "attention"
    assert report.stable_code == "layout_marker_unsafe"
    assert (home / "desktop-layout-v2.json").is_symlink()
    assert outside.read_text(encoding="utf-8") == "do not touch\n"


def test_future_layout_marker_schema_is_attention_and_never_reinterpreted(
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    marker = home / "desktop-layout-v2.json"
    marker_bytes = (
        b'{"schema_version":3,"migratedAt":"2099-01-01T00:00:00Z",'
        b'"moved":[],"future":"preserve"}\n'
    )
    marker.write_bytes(marker_bytes)

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "attention"
    assert report.stable_code == "layout_marker_unsafe"
    assert marker.read_bytes() == marker_bytes


def test_unproven_legacy_directory_is_never_guessed_or_moved(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = home / "state" / "workspace"
    legacy.mkdir(parents=True)
    (legacy / "arbitrary.bin").write_bytes(b"synthetic")
    _desktop_config(home)

    report = reconcile_profile(home)

    assert report.outcome == "recovery_required"
    assert report.stable_code == "unknown_legacy_layout"
    assert legacy.is_dir()
    assert not (home / "workspace").exists()


def test_canonical_profile_user_dotenv_under_state_is_not_guessed_as_legacy(
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    legacy_env = home / "state" / ".env"
    legacy_env.parent.mkdir(exist_ok=True)
    legacy_env.write_text("SYNTHETIC_SECRET=not-a-real-secret\n", encoding="utf-8")

    report = reconcile_profile(home)

    assert report.outcome == "attention"
    assert report.stable_code == "legacy_layout_unsafe"
    assert legacy_env.is_file()
    assert not (home / ".env").exists()


def test_raw_native_move_oserror_returns_recovery_protocol_state(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    import opensquilla.recovery.engine as recovery_engine

    home = tmp_path / "opensquilla"
    canonical = _workspace(home / "workspace")
    _workspace(home / "state" / "workspace", "legacy conflict")
    _desktop_config(home, workspace=canonical)
    legacy_env = home / "state" / ".env"
    legacy_env.parent.mkdir(exist_ok=True)
    legacy_env.write_text("SYNTHETIC=value\n", encoding="utf-8")

    def fail_move(_source: Path, _destination: Path) -> None:
        raise OSError("synthetic native failure")

    monkeypatch.setattr(recovery_engine, "native_move_no_replace", fail_move)

    report = reconcile_profile(home)

    assert report.outcome == "attention"
    assert report.stable_code == "layout_reconcile_deferred"
    assert legacy_env.is_file()
    assert not (home / ".env").exists()


def test_post_move_verification_failure_never_becomes_ready(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    import opensquilla.recovery.engine as recovery_engine

    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _workspace(home / "state" / "workspace", "legacy conflict")
    _desktop_config(home)
    legacy_env = home / "state" / ".env"
    legacy_env.parent.mkdir(exist_ok=True)
    legacy_env.write_text("SYNTHETIC=value\n", encoding="utf-8")

    def move_then_fail(source: Path, destination: Path) -> None:
        source.rename(destination)
        raise AtomicStateUnknownError("synthetic post-move verification failure")

    monkeypatch.setattr(recovery_engine, "native_move_no_replace", move_then_fail)

    report = reconcile_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "atomic_state_unknown"
    assert not legacy_env.exists()
    assert (home / ".env").is_file()
    assert not (home / "desktop-layout-v2.json").exists()


def test_skills_conflict_is_attention_and_never_moved_or_merged(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    legacy = home / "state" / "skills"
    current = home / "skills"
    legacy.mkdir(parents=True)
    current.mkdir()
    (legacy / "legacy.txt").write_text("legacy\n", encoding="utf-8")
    (current / "current.txt").write_text("current\n", encoding="utf-8")

    report = reconcile_profile(home)

    assert report.outcome == "attention"
    assert report.stable_code == "legacy_layout_conflict"
    assert (legacy / "legacy.txt").read_text(encoding="utf-8") == "legacy\n"
    assert (current / "current.txt").read_text(encoding="utf-8") == "current\n"
    assert not (current / "legacy.txt").exists()


def test_nested_state_conflict_is_attention_and_never_moved(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    nested = home / "state" / "state" / "approvals.json"
    current = home / "state" / "approvals.json"
    nested.parent.mkdir(parents=True)
    nested.write_text("legacy\n", encoding="utf-8")
    current.write_text("current\n", encoding="utf-8")

    report = reconcile_profile(home)

    assert report.outcome == "attention"
    assert report.stable_code == "legacy_layout_unsafe"
    assert nested.read_text(encoding="utf-8") == "legacy\n"
    assert current.read_text(encoding="utf-8") == "current\n"


def test_ancillary_legacy_symlink_is_attention_not_primary_recovery(
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    (home / "state").mkdir(exist_ok=True)
    outside = tmp_path / "outside-skills"
    outside.mkdir()
    try:
        (home / "state" / "skills").symlink_to(outside, target_is_directory=True)
    except OSError:
        pytest.skip("symlink creation is unavailable")

    report = reconcile_profile(home)

    assert report.outcome == "attention"
    assert report.stable_code == "legacy_layout_unsafe"
    assert (home / "state" / "skills").is_symlink()
    assert not (home / "skills").exists()


def test_existing_profile_with_missing_effective_workspace_requires_recovery(
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    _desktop_config(home, workspace=tmp_path / "missing-external")

    report = inspect_profile(home)

    assert report.outcome == "recovery_required"
    assert report.stable_code == "effective_workspace_missing"
    assert "choose-workspace" in report.allowed_actions


def test_missing_external_state_blocks_before_a_new_chat_database_can_be_created(
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    workspace = _workspace(home / "workspace")
    missing_state = tmp_path / "detached-state"
    _desktop_config(home, workspace=workspace)
    (home / "config.toml").write_text(
        f"state_dir = {json.dumps(str(missing_state))}\n"
        f"workspace_dir = {json.dumps(str(workspace))}\n",
        encoding="utf-8",
    )

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "effective_state_missing"
    assert not missing_state.exists(), "inspection must never seed a replacement state root"
    state = next(candidate for candidate in report.candidates if candidate.kind == "state")
    assert state.path == missing_state
    assert state.exists is False


def test_profile_dotenv_state_override_is_the_authoritative_chat_root(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    external_state = tmp_path / "external-state"
    external_state.mkdir()
    (home / ".env").write_text(
        f"OPENSQUILLA_GATEWAY_STATE_DIR={external_state}\n",
        encoding="utf-8",
    )
    monkeypatch.delenv("OPENSQUILLA_GATEWAY_STATE_DIR", raising=False)

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "ready"
    state = next(candidate for candidate in report.candidates if candidate.kind == "state")
    assert state.path == external_state
    assert state.valid is True


@pytest.mark.parametrize(
    ("database_setup", "stable_code"),
    [
        ("corrupt", "state_database_invalid"),
        ("future-schema", "state_schema_too_new"),
    ],
)
def test_unsafe_session_database_blocks_before_gateway_migrations(
    tmp_path: Path,
    database_setup: str,
    stable_code: str,
) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    database = home / "state" / "sessions.db"
    if database_setup == "corrupt":
        database.write_bytes(b"not a sqlite database")
    else:
        with sqlite3.connect(database) as connection:
            connection.execute(
                "CREATE TABLE _yoyo_migration ("
                "migration_hash TEXT PRIMARY KEY, migration_id TEXT, applied_at_utc TEXT)"
            )
            connection.execute(
                "INSERT INTO _yoyo_migration VALUES (?, ?, ?)",
                ("synthetic", "V999__future", "2026-07-11T00:00:00Z"),
            )

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == stable_code


def test_wal_database_without_shm_is_validated_from_private_read_only_source_snapshot(
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    database = home / "state" / "sessions.db"

    origin = tmp_path / "origin.db"
    connection = sqlite3.connect(origin)
    try:
        assert connection.execute("PRAGMA journal_mode=WAL").fetchone()[0] == "wal"
        connection.execute("PRAGMA wal_autocheckpoint=0")
        connection.execute("CREATE TABLE synthetic_sessions (id TEXT PRIMARY KEY)")
        connection.execute("INSERT INTO synthetic_sessions VALUES ('session-1')")
        connection.commit()
        origin_wal = origin.with_name(f"{origin.name}-wal")
        assert origin_wal.is_file()
        shutil.copyfile(origin, database)
        shutil.copyfile(origin_wal, database.with_name(f"{database.name}-wal"))
    finally:
        connection.close()

    source_shm = database.with_name(f"{database.name}-shm")
    assert not source_shm.exists()
    before = {
        entry.name: (entry.read_bytes(), entry.stat().st_mode, entry.stat().st_mtime_ns)
        for entry in (database, database.with_name(f"{database.name}-wal"))
    }
    state_before = (home / "state").stat()

    report = inspect_profile(home, profile_kind="desktop-primary")

    state_after = (home / "state").stat()
    after = {
        entry.name: (entry.read_bytes(), entry.stat().st_mode, entry.stat().st_mtime_ns)
        for entry in (database, database.with_name(f"{database.name}-wal"))
    }
    assert report.outcome == "ready"
    assert before == after
    assert state_before.st_mtime_ns == state_after.st_mtime_ns
    assert not source_shm.exists(), "inspection must not create SQLite coordination files"


def test_database_snapshot_preserves_binary_sqlite_bytes(tmp_path: Path) -> None:
    import opensquilla.recovery.engine as recovery_engine

    source = tmp_path / "source.db"
    destination = tmp_path / "snapshot.db"
    payload = b"before\r\ncontrol-z:\x1a\nafter"
    with sqlite3.connect(source) as connection:
        connection.execute("CREATE TABLE payloads (value BLOB NOT NULL)")
        connection.execute("INSERT INTO payloads VALUES (?)", (payload,))

    source_bytes = source.read_bytes()
    assert payload in source_bytes

    snapshot = recovery_engine._copy_source_file_no_follow(source, destination)

    assert destination.read_bytes() == source_bytes
    assert recovery_engine._source_snapshot_is_current(snapshot) is True
    with sqlite3.connect(f"file:{destination}?mode=ro", uri=True) as connection:
        assert connection.execute("PRAGMA quick_check").fetchone() == ("ok",)
        assert connection.execute("SELECT value FROM payloads").fetchone() == (payload,)


def test_database_snapshot_requests_binary_mode_for_every_crt_descriptor(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    import opensquilla.recovery.engine as recovery_engine

    source = tmp_path / "source.db"
    destination = tmp_path / "snapshot.db"
    source.write_bytes(b"binary\r\ncontrol-z:\x1a\n")
    real_open = os.open
    native_binary = int(getattr(os, "O_BINARY", 0))
    sentinel_binary = 1 << 30
    opened: list[tuple[Path, int]] = []

    def tracked_open(
        path: str | bytes | os.PathLike[str] | os.PathLike[bytes],
        flags: int,
        mode: int = 0o777,
        *,
        dir_fd: int | None = None,
    ) -> int:
        opened.append((Path(path), flags))
        native_flags = (flags & ~sentinel_binary) | native_binary
        return real_open(path, native_flags, mode, dir_fd=dir_fd)

    monkeypatch.setattr(recovery_engine.os, "O_BINARY", sentinel_binary, raising=False)
    monkeypatch.setattr(recovery_engine.os, "open", tracked_open)

    snapshot = recovery_engine._copy_source_file_no_follow(source, destination)
    assert recovery_engine._source_snapshot_is_current(snapshot) is True

    assert [path for path, _flags in opened] == [source, destination, source]
    assert all(flags & sentinel_binary for _path, flags in opened)


def test_database_snapshot_source_change_fails_closed_without_mutating_source(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    import opensquilla.recovery.engine as recovery_engine

    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    database = home / "state" / "sessions.db"
    with sqlite3.connect(database) as connection:
        connection.execute("CREATE TABLE synthetic_sessions (id TEXT PRIMARY KEY)")
    before = database.read_bytes()
    monkeypatch.setattr(recovery_engine, "_source_snapshot_is_current", lambda _snapshot: False)

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "state_database_changed"
    assert database.read_bytes() == before


def test_database_wal_symlink_is_never_followed(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    database = home / "state" / "sessions.db"
    with sqlite3.connect(database) as connection:
        connection.execute("CREATE TABLE synthetic_sessions (id TEXT PRIMARY KEY)")
    outside = tmp_path / "outside-wal"
    outside.write_bytes(b"synthetic outside bytes")
    wal = database.with_name(f"{database.name}-wal")
    try:
        wal.symlink_to(outside)
    except OSError:
        pytest.skip("symlink creation is unavailable")

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "state_database_unsafe_path"
    assert outside.read_bytes() == b"synthetic outside bytes"


@pytest.mark.parametrize("unsafe_state", ["future-config", "transaction-incomplete"])
def test_workspace_choice_is_blocked_when_config_mutation_is_not_safe(
    tmp_path: Path,
    unsafe_state: str,
) -> None:
    home = tmp_path / "opensquilla"
    selected = _workspace(tmp_path / "selected")
    _workspace(home / "workspace")
    extra = "config_version = 999" if unsafe_state == "future-config" else ""
    _desktop_config(home, extra=extra)
    if unsafe_state == "transaction-incomplete":
        (tmp_path / ".opensquilla.profile-replace.json").write_text(
            '{"schema_version":1,"phase":"prepared"}\n',
            encoding="utf-8",
        )
    config_before = (home / "config.toml").read_bytes()
    report = inspect_profile(home)

    assert report.outcome == "recovery_required"
    assert "choose-workspace" not in report.allowed_actions
    with pytest.raises(InvalidWorkspaceError):
        choose_workspace(
            home,
            transaction_id=report.transaction_id,
            expected_revision=report.revision,
            workspace=selected,
        )
    assert (home / "config.toml").read_bytes() == config_before


def test_workspace_choice_never_follows_unsafe_profile_home(tmp_path: Path) -> None:
    real_home = tmp_path / "real-home"
    selected = _workspace(tmp_path / "selected")
    _workspace(real_home / "workspace")
    _desktop_config(real_home)
    linked_home = tmp_path / "linked-home"
    try:
        linked_home.symlink_to(real_home, target_is_directory=True)
    except OSError:
        pytest.skip("symlink creation is unavailable")
    config_before = (real_home / "config.toml").read_bytes()
    report = inspect_profile(linked_home)

    assert report.stable_code == "profile_unsafe_path"
    assert "choose-workspace" not in report.allowed_actions
    with pytest.raises(InvalidWorkspaceError):
        choose_workspace(
            linked_home,
            transaction_id=report.transaction_id,
            expected_revision=report.revision,
            workspace=selected,
        )
    assert (real_home / "config.toml").read_bytes() == config_before


@pytest.mark.parametrize(
    ("config", "stable_code"),
    [
        (
            'workspace_dir = "unterminated\n',
            "config_invalid",
        ),
        ("config_version = 999\n", "config_schema_too_new"),
    ],
)
def test_invalid_or_future_config_requires_recovery(
    tmp_path: Path,
    config: str,
    stable_code: str,
) -> None:
    home = tmp_path / "opensquilla"
    home.mkdir()
    (home / "config.toml").write_text(config, encoding="utf-8")

    report = inspect_profile(home)

    assert report.outcome == "recovery_required"
    assert report.stable_code == stable_code


def test_replacement_journal_symlink_is_never_followed(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    _workspace(home / "workspace")
    _desktop_config(home)
    outside = tmp_path / "outside-journal.json"
    outside.write_text('{"phase":"committed"}\n', encoding="utf-8")
    journal = home.parent / f".{home.name}.profile-replace.json"
    try:
        journal.symlink_to(outside)
    except OSError:
        pytest.skip("symlink creation is unavailable")

    report = inspect_profile(home)

    assert report.outcome == "recovery_required"
    assert report.stable_code == "transaction_incomplete"
    assert outside.read_text(encoding="utf-8") == '{"phase":"committed"}\n'


def test_legacy_import_journal_blocks_without_automatic_mutation(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    workspace = _workspace(home / "workspace", "preserved identity")
    _desktop_config(home, workspace=workspace)
    journal = home.parent / f".{home.name}.import-commit.json"
    journal.write_text(
        json.dumps(
            {
                "phase": "target-backed-up",
                "target": str(home),
                "backup": str(tmp_path / "opensquilla.backup.synthetic"),
                "staging": str(tmp_path / ".opensquilla-import-synthetic"),
            },
            sort_keys=True,
        )
        + "\n",
        encoding="utf-8",
    )
    config_before = (home / "config.toml").read_bytes()
    identity_before = (workspace / "SOUL.md").read_bytes()
    journal_before = journal.read_bytes()

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "legacy_import_transaction_incomplete"
    assert "recover-transaction" not in report.allowed_actions
    assert (home / "config.toml").read_bytes() == config_before
    assert (workspace / "SOUL.md").read_bytes() == identity_before
    assert journal.read_bytes() == journal_before


def test_legacy_import_journal_prevents_missing_target_from_looking_fresh(
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    journal = home.parent / f".{home.name}.import-commit.json"
    journal.write_text('{"phase":"target-backed-up"}\n', encoding="utf-8")
    before = journal.read_bytes()

    report = inspect_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "legacy_import_transaction_incomplete"
    assert not home.exists()
    assert journal.read_bytes() == before


@pytest.mark.parametrize("as_file", [False, True])
def test_profile_root_link_or_special_path_fails_closed(
    tmp_path: Path,
    as_file: bool,
) -> None:
    profile = tmp_path / "opensquilla"
    if as_file:
        profile.write_text("not a profile directory\n", encoding="utf-8")
    else:
        real = tmp_path / "real-profile"
        _workspace(real / "workspace")
        _desktop_config(real)
        try:
            profile.symlink_to(real, target_is_directory=True)
        except OSError:
            pytest.skip("symlink creation is unavailable")

    report = inspect_profile(profile)

    assert report.outcome == "recovery_required"
    assert report.stable_code == "profile_unsafe_path"
    assert report.candidates == ()


def test_choose_workspace_preserves_comments_unknown_keys_and_nested_key(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace")
    selected = _workspace(tmp_path / "selected")
    _desktop_config(
        home,
        workspace=legacy,
        extra='unknown_future = "keep"\n\n[agent]\nworkspace_dir = "nested-keep"',
    )
    config_path = home / "config.toml"
    original = config_path.read_text(encoding="utf-8")
    config_path.write_text("# owner comment\n" + original, encoding="utf-8")
    config_path.chmod(0o640)
    before = inspect_profile(home)

    after = choose_workspace(
        home,
        transaction_id=before.transaction_id,
        expected_revision=before.revision,
        workspace=selected,
    )

    patched = config_path.read_text(encoding="utf-8")
    assert after.effective_workspace == selected
    assert "# owner comment" in patched
    assert 'unknown_future = "keep"' in patched
    assert 'workspace_dir = "nested-keep"' in patched
    if os.name != "nt":
        assert config_path.stat().st_mode & 0o777 == 0o640
    backups = list(home.glob("config.toml.backup.*"))
    assert len(backups) == 1
    if os.name != "nt":
        assert backups[0].stat().st_mode & 0o777 == 0o600


def test_choose_workspace_never_changes_chat_database_bytes_or_identity(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace")
    selected = _workspace(tmp_path / "selected")
    _desktop_config(home, workspace=legacy)
    database = home / "state" / "sessions.db"
    with sqlite3.connect(database) as connection:
        connection.execute(
            "CREATE TABLE synthetic_chat (id TEXT PRIMARY KEY, transcript TEXT NOT NULL)"
        )
        connection.execute(
            "INSERT INTO synthetic_chat VALUES (?, ?)",
            ("session-before-workspace-choice", "synthetic transcript stays in state"),
        )
    before_identity = (database.stat().st_dev, database.stat().st_ino)
    before_bytes = database.read_bytes()
    inspected = inspect_profile(home)

    result = choose_workspace(
        home,
        transaction_id=inspected.transaction_id,
        expected_revision=inspected.revision,
        workspace=selected,
    )

    assert result.effective_workspace == selected
    assert (database.stat().st_dev, database.stat().st_ino) == before_identity
    assert database.read_bytes() == before_bytes
    with sqlite3.connect(f"file:{database}?mode=ro", uri=True) as connection:
        assert connection.execute("SELECT id, transcript FROM synthetic_chat").fetchone() == (
            "session-before-workspace-choice",
            "synthetic transcript stays in state",
        )


@pytest.mark.skipif(not hasattr(os, "setxattr"), reason="filesystem xattrs are unavailable")
def test_choose_workspace_preserves_config_extended_attributes(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace")
    selected = _workspace(tmp_path / "selected")
    _desktop_config(home, workspace=legacy)
    config_path = home / "config.toml"
    attribute = "com.opensquilla.synthetic" if sys.platform == "darwin" else "user.opensquilla"
    try:
        os.setxattr(config_path, attribute, b"preserve", follow_symlinks=False)
    except OSError as exc:
        pytest.skip(f"test filesystem does not support user xattrs: {exc}")
    before = inspect_profile(home)

    choose_workspace(
        home,
        transaction_id=before.transaction_id,
        expected_revision=before.revision,
        workspace=selected,
    )

    assert os.getxattr(config_path, attribute, follow_symlinks=False) == b"preserve"


@pytest.mark.skipif(sys.platform != "darwin", reason="macOS ACL regression")
def test_choose_workspace_preserves_macos_config_acl(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace")
    selected = _workspace(tmp_path / "selected")
    _desktop_config(home, workspace=legacy)
    config_path = home / "config.toml"
    subprocess.run(
        ["chmod", "+a", "everyone allow read", str(config_path)],
        check=True,
        capture_output=True,
        text=True,
    )

    def acl_lines() -> list[str]:
        output = subprocess.run(
            ["ls", "-led", str(config_path)],
            check=True,
            capture_output=True,
            text=True,
        ).stdout.splitlines()
        return [line.strip() for line in output[1:] if line.strip()]

    acl_before = acl_lines()
    assert acl_before
    before = inspect_profile(home)

    choose_workspace(
        home,
        transaction_id=before.transaction_id,
        expected_revision=before.revision,
        workspace=selected,
    )

    assert acl_lines() == acl_before


@pytest.mark.skipif(os.name != "nt", reason="Windows DACL regression")
def test_choose_workspace_preserves_windows_config_dacl(tmp_path: Path) -> None:
    from opensquilla.recovery.atomic import _windows_extended_path

    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace")
    selected = _workspace(tmp_path / "selected")
    _desktop_config(home, workspace=legacy)
    config_path = home / "config.toml"
    subprocess.run(
        ["icacls", str(config_path), "/inheritance:d"],
        check=True,
        capture_output=True,
        text=True,
    )

    advapi32 = ctypes.WinDLL("advapi32", use_last_error=True)
    get_file_security = advapi32.GetFileSecurityW
    get_file_security.argtypes = [
        ctypes.c_wchar_p,
        ctypes.c_uint32,
        ctypes.c_void_p,
        ctypes.c_uint32,
        ctypes.POINTER(ctypes.c_uint32),
    ]
    get_file_security.restype = ctypes.c_int

    def dacl_semantics() -> tuple[int, bytes]:
        required = ctypes.c_uint32()
        get_file_security(
            _windows_extended_path(config_path),
            0x00000004,
            None,
            0,
            ctypes.byref(required),
        )
        assert required.value > 0
        buffer = ctypes.create_string_buffer(required.value)
        assert get_file_security(
            _windows_extended_path(config_path),
            0x00000004,
            buffer,
            required.value,
            ctypes.byref(required),
        )
        descriptor = bytes(buffer.raw[: required.value])
        control = int.from_bytes(descriptor[2:4], "little")
        dacl_offset = int.from_bytes(descriptor[16:20], "little")
        # Windows can normalize the AUTO_INHERITED bookkeeping bit when the
        # same DACL is attached to a new file. Preserve and compare the access
        # entries plus the flags that determine DACL presence/defaulting and
        # whether future inheritance is blocked.
        access_control_flags = control & 0x100C
        dacl = descriptor[dacl_offset:] if dacl_offset else b""
        return access_control_flags, dacl

    dacl_before = dacl_semantics()
    before = inspect_profile(home)
    choose_workspace(
        home,
        transaction_id=before.transaction_id,
        expected_revision=before.revision,
        workspace=selected,
    )

    assert dacl_semantics() == dacl_before


def test_workspace_env_override_blocks_config_patch(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    home = tmp_path / "opensquilla"
    configured = _workspace(tmp_path / "configured")
    selected = _workspace(tmp_path / "selected")
    _desktop_config(home, workspace=configured)
    original = (home / "config.toml").read_bytes()
    monkeypatch.setenv("OPENSQUILLA_GATEWAY_WORKSPACE_DIR", str(configured))
    before = inspect_profile(home)

    with pytest.raises(WorkspaceOverrideError):
        choose_workspace(
            home,
            transaction_id=before.transaction_id,
            expected_revision=before.revision,
            workspace=selected,
        )

    assert (home / "config.toml").read_bytes() == original


def test_config_publication_preserves_a_mutation_in_the_final_cas_window(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    import opensquilla.recovery.config_patch as config_patch

    home = tmp_path / "opensquilla"
    configured = _workspace(tmp_path / "configured")
    selected = _workspace(tmp_path / "selected")
    _desktop_config(home, workspace=configured)
    before = inspect_profile(home)
    config = home / "config.toml"
    original_move = config_patch.native_move_no_replace
    concurrent_text = config.read_text(encoding="utf-8") + "external_edit = true\n"

    def mutate_during_park(source: Path, destination: Path) -> None:
        if source == config and destination.name.startswith("config.toml.backup."):
            source.write_text(concurrent_text, encoding="utf-8")
        original_move(source, destination)

    monkeypatch.setattr(config_patch, "native_move_no_replace", mutate_during_park)

    with pytest.raises(AtomicStateUnknownError):
        choose_workspace(
            home,
            transaction_id=before.transaction_id,
            expected_revision=before.revision,
            workspace=selected,
        )

    journal = config_patch.workspace_patch_journal(home)
    payload = json.loads(journal.read_text(encoding="utf-8"))
    backup = Path(payload["paths"]["backup"])
    staged = Path(payload["paths"]["staged"])
    assert not config.exists()
    assert backup.read_text(encoding="utf-8") == concurrent_text
    assert staged.is_file()
    blocked = inspect_profile(home)
    assert blocked.outcome == "recovery_required"
    assert blocked.stable_code == "workspace_patch_incomplete"
    with pytest.raises(AtomicStateUnknownError):
        reconcile_profile(home)
    assert backup.read_text(encoding="utf-8") == concurrent_text
    assert staged.is_file()


def test_crashed_workspace_config_park_is_recovered_without_overwrite(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    import opensquilla.recovery.config_patch as config_patch

    class SimulatedCrash(BaseException):
        pass

    home = tmp_path / "opensquilla"
    configured = _workspace(tmp_path / "configured")
    selected = _workspace(tmp_path / "selected")
    _desktop_config(home, workspace=configured)
    config = home / "config.toml"
    old_text = config.read_text(encoding="utf-8")
    before = inspect_profile(home)
    original_move = config_patch.native_move_no_replace
    crashed = False

    def crash_after_config_park(source: Path, destination: Path) -> None:
        nonlocal crashed
        original_move(source, destination)
        if source == config and destination.name.startswith("config.toml.backup."):
            crashed = True
            raise SimulatedCrash

    monkeypatch.setattr(config_patch, "native_move_no_replace", crash_after_config_park)

    with pytest.raises(SimulatedCrash):
        choose_workspace(
            home,
            transaction_id=before.transaction_id,
            expected_revision=before.revision,
            workspace=selected,
        )

    assert crashed
    blocked = inspect_profile(home)
    assert blocked.outcome == "recovery_required"
    assert blocked.stable_code == "workspace_patch_incomplete"
    recovered = reconcile_profile(home)

    assert recovered.outcome == "ready"
    assert recovered.effective_workspace == selected
    assert tomllib.loads(config.read_text(encoding="utf-8"))["workspace_dir"] == str(selected)
    backups = list(home.glob("config.toml.backup.*"))
    assert len(backups) == 1
    assert backups[0].read_text(encoding="utf-8") == old_text
    if os.name != "nt":
        assert backups[0].stat().st_mode & 0o777 == 0o600
    assert not config_patch.workspace_patch_journal(home).exists()


def test_bootstrap_guard_is_desktop_only(monkeypatch: pytest.MonkeyPatch, tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    _desktop_config(home, workspace=tmp_path / "missing")
    monkeypatch.delenv("OPENSQUILLA_PROFILE_KIND", raising=False)
    monkeypatch.delenv("OPENSQUILLA_DESKTOP", raising=False)
    assert guard_desktop_profile(home) is None

    monkeypatch.setenv("OPENSQUILLA_PROFILE_KIND", "desktop-primary")
    with pytest.raises(RecoveryRequiredError) as caught:
        guard_desktop_profile(home)
    assert caught.value.report.stable_code == "effective_workspace_missing"


def test_legacy_profile_dotenv_pin_prevents_workspace_move(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace", "legacy identity")
    _desktop_config(home)
    legacy_env = home / "state" / ".env"
    legacy_env.write_text(
        f"OPENSQUILLA_GATEWAY_WORKSPACE_DIR={legacy}\n",
        encoding="utf-8",
    )

    before = inspect_profile(home, profile_kind="desktop-primary")
    assert before.effective_workspace == legacy
    assert before.outcome == "recovery_required"

    after = reconcile_profile(home, profile_kind="desktop-primary")

    assert after.outcome == "attention"
    assert after.stable_code == "legacy_workspace_pinned"
    assert after.effective_workspace == legacy
    assert legacy.is_dir()
    assert not (home / "workspace").exists()
    assert not legacy_env.exists()
    assert (home / ".env").read_text(encoding="utf-8").endswith(f"={legacy}\n")


def test_interpolated_profile_dotenv_override_fails_closed(tmp_path: Path) -> None:
    home = tmp_path / "opensquilla"
    legacy = _workspace(home / "state" / "workspace")
    _desktop_config(home)
    legacy_env = home / "state" / ".env"
    legacy_env.write_text(
        "OPENSQUILLA_GATEWAY_WORKSPACE_DIR=${UNSAFE_DYNAMIC_ROOT}/workspace\n",
        encoding="utf-8",
    )

    report = reconcile_profile(home, profile_kind="desktop-primary")

    assert report.outcome == "recovery_required"
    assert report.stable_code == "workspace_env_override_unsafe"
    assert legacy.is_dir()
    assert legacy_env.is_file()
    assert not (home / "workspace").exists()
    assert not (home / ".env").exists()