"""Billing and subscription handlers for the interactive CLI (mixed into ``HermesCLI``).
cli.py symbols are imported LAZILY inside methods — never at module load (import cycle).

User-facing copy is looked up through ``agent.i18n.t`` at call time (never at import — the
active language is not known when this module loads), under ``cli.billing.*`` (shared /topup
copy) and ``cli.subscription.*`` (/subscription copy). Modal choice VALUES (index 0) stay
English identifiers; only labels/descriptions are translated."""

from __future__ import annotations

from agent.i18n import t

_RULE = "─" * 41

# Poll `failed` reasons → copy key (default: generic line carrying the raw reason).
_CHARGE_FAILED_KEYS = {
    "authentication_required": "cli.billing.charge_failed_authentication_required",
    "payment_method_expired": "cli.billing.charge_failed_payment_method_expired",
    "card_declined": "cli.billing.charge_failed_card_declined"}

# Submit-time BillingError codes with a fixed copy key (no payload/type inspection).
_CHARGE_ERROR_KEYS = {
    "no_payment_method": "cli.billing.charge_error_no_payment_method",
    "cli_billing_disabled": "cli.billing.charge_error_remote_spending_disabled",
    "remote_spending_disabled": "cli.billing.charge_error_remote_spending_disabled",
    "role_required": "cli.billing.charge_error_role_required",
    "idempotency_conflict": "cli.billing.charge_error_idempotency_conflict"}

# Upgrade 2xx `status` → (copy key, echo recoveryUrl as "Portal:"). Missing status → ambiguous.
_UPGRADE_STATUS_KEYS = {
    "requires_action": ("cli.subscription.upgrade_requires_action", True),
    "payment_failed": ("cli.subscription.upgrade_payment_failed", True)}

# Upgrade 2xx terminal statuses → dim ✓ copy key ({name} = target tier).
_UPGRADE_OK_KEYS = {
    "already_on_tier": "cli.subscription.upgrade_already_on_tier",
    "upgraded": "cli.subscription.upgrade_upgraded"}
# Pending-change mutations → dim ✓ copy key.
_PENDING_OK_KEYS = {
    "schedule": "cli.subscription.pending_scheduled",
    "cancel": "cli.subscription.pending_cancel_scheduled",
    "resume": "cli.subscription.pending_resumed"}


# ── Static modal menus (value, label, description) — built at call time so labels follow the
#    active language; order is the rendered order. ──

def _cancel_row(value: str = "cancel", label_key: str = "cli.billing.choice_cancel",
                desc_key: str = "cli.billing.desc_do_nothing") -> tuple[str, str, str]:
    return (value, t(label_key), t(desc_key))


def _portal_row(value: str = "portal") -> tuple[str, str, str]:
    return (value, t("cli.billing.choice_manage_on_portal"), t("cli.billing.desc_open_billing_page"))


def _allow_remote_spending_choices() -> list[tuple[str, str, str]]:
    return [
        ("yes", t("cli.billing.choice_allow_remote_spending"), t("cli.billing.desc_allow_remote_spending")),
        ("no", t("cli.billing.choice_not_now"), t("cli.billing.desc_not_now"))]


def _topup_menu_choices() -> list[tuple[str, str, str]]:
    return [
        ("buy", t("cli.billing.choice_add_funds"), t("cli.billing.desc_add_funds")),
        ("auto", t("cli.billing.choice_auto_reload"), t("cli.billing.desc_auto_reload")),
        ("limit", t("cli.billing.choice_monthly_limit"), t("cli.billing.desc_monthly_limit")),
        _portal_row(),
        _cancel_row()]


def _add_card_choices() -> list[tuple[str, str, str]]:
    return [
        ("portal", t("cli.billing.choice_add_card_on_portal"), t("cli.billing.desc_add_card_on_portal")),
        ("recheck", t("cli.billing.choice_recheck_card"), t("cli.billing.desc_recheck_card")),
        _cancel_row(label_key="cli.billing.choice_back")]


def _auto_reload_top_choices() -> list[tuple[str, str, str]]:
    return [
        ("edit", t("cli.billing.choice_edit_thresholds"), t("cli.billing.desc_edit_thresholds")),
        ("off", t("cli.billing.choice_turn_off"), t("cli.billing.desc_turn_off")),
        _cancel_row()]


def _auto_reload_agree_choices() -> list[tuple[str, str, str]]:
    return [
        ("agree", t("cli.billing.choice_agree_turn_on"), t("cli.billing.desc_agree_turn_on")),
        _cancel_row()]


def _change_plan_row() -> tuple[str, str, str]:
    return ("change", t("cli.subscription.choice_change_plan"), t("cli.subscription.desc_change_plan"))


def _change_menu_tail() -> list[tuple[str, str, str]]:
    return [_portal_row(), _cancel_row("close", "cli.billing.choice_close")]


def _cancel_sub_choices() -> list[tuple[str, str, str]]:
    return [
        ("yes", t("cli.subscription.choice_cancel_subscription"), t("cli.subscription.desc_cancel_subscription")),
        ("cancel", t("cli.billing.choice_go_back"), t("cli.subscription.desc_keep_your_plan"))]


# Keep going on credits: window plans only (the portal sends the setting only there).
def _keep_going_row() -> tuple[str, str, str]:
    return ("hermes", t("cli.billing.keep_going_choice"), t("cli.billing.keep_going_desc"))


def _keep_going_agree_choices() -> list[tuple[str, str, str]]:
    return [
        ("agree", t("cli.billing.keep_going_turn_on"), t("cli.billing.keep_going_desc")),
        _cancel_row(desc_key="cli.billing.keep_going_keep_off_desc")]


def _keep_going_off_choices() -> list[tuple[str, str, str]]:
    return [
        ("off", t("cli.billing.keep_going_turn_off"), t("cli.billing.keep_going_turn_off_desc")),
        _cancel_row(label_key="cli.billing.keep_going_leave_on")]


class CLIBillingMixin:
    """Mixin holding interactive-CLI billing and subscription handlers."""

    # ── Shared helpers ──

    def _modal_choice(self, title, detail, choices):
        """Run the choice modal and return the normalized choice value."""
        raw = self._prompt_text_input_modal(title=title, detail=detail, choices=choices)
        return self._normalize_slash_confirm_choice(raw, choices)

    def _block_header(self, icon, title, *, rule=True) -> None:
        """Blank line, ``<icon> <bold title>`` via _cprint, then (optionally) the rule via print."""
        from cli import _cprint, _b
        print()
        _cprint(f"  {icon} {_b(title)}")
        if rule:
            print(f"  {_RULE}")

    def _dim(self, msg, *, icon="", lead=False) -> None:
        """Dim ``  <icon><msg>`` line via _cprint; ``lead`` prints a blank line first."""
        from cli import _cprint, _d
        if lead:
            print()
        _cprint(f"  {icon}{_d(msg)}")

    def _ok(self, msg) -> None:
        """Dim ``✓ <msg>`` success line."""
        from cli import _cprint, _DIM, _RST
        _cprint(f"  {_DIM}✓ {msg}{_RST}")

    def _print_logged_out(self, state, load_failed, cmd) -> None:
        """Logged-out / fetch-failed block shared by /subscription and /topup."""
        if state.error:
            self._dim(t("cli.billing.load_failed", label=load_failed, error=state.error), icon="💳 ", lead=True)
        else:
            self._dim(t("cli.billing.not_logged_in"), icon="💳 ", lead=True)
            print(f"  {t('cli.billing.run_portal_then', cmd=cmd)}")

    def _print_org_line(self, state) -> None:
        """Dim ``Org: <name> · <Role>`` line (skipped when there is no org)."""
        if state.org_name:
            role = (state.role or "").title()
            if role:
                self._dim(t("cli.billing.org_line_role", org=state.org_name, role=role))
            else:
                self._dim(t("cli.billing.org_line", org=state.org_name))

    def _try_usage_model(self):
        """Shared dollar usage model (the only source with top-up dollars); None on any failure."""
        try:
            from agent.billing_usage import build_usage_model
            return build_usage_model()
        except Exception:
            return None

    def _usage_bar_lines(self, usage, plan_name) -> list:
        """Plan + top-up bars as lines (filled = remaining). Caller picks the print fn: ordering differs per surface."""
        lines: list = []
        pb = usage.plan_bar if usage else None
        if pb is not None and pb.total_usd > 0:
            filled = max(0, min(10, round(pb.fill_fraction * 10)))
            bar = ("█" * filled) + ("░" * (10 - filled))
            pct_s = t("cli.billing.bar_pct_used", pct=pb.pct_used) if pb.pct_used is not None else ""
            label = (plan_name or t("cli.billing.bar_plan_label")).ljust(8)[:8]
            lines.append("  " + t("cli.billing.bar_plan", label=label, bar=bar, remaining=f"{pb.remaining_usd:,.2f}",
                                  total=f"{pb.total_usd:,.2f}", pct=pct_s))
        tb = usage.topup_bar if usage else None
        if tb is not None and tb.remaining_usd > 0:
            lines.append("  " + t("cli.billing.bar_topup", label=t("cli.billing.bar_topup_label").ljust(8)[:8],
                                  bar="█" * 10, remaining=f"{tb.remaining_usd:,.2f}"))
        return lines

    def _print_total_spendable(self, usage, print_fn) -> None:
        if usage and usage.has_topup and usage.total_spendable_usd is not None:
            print_fn(f"  {t('cli.billing.total_spendable', amount=f'{usage.total_spendable_usd:,.2f}')}")

    def _step_up_remote_spending(self, *, explain, noninteractive_msg, declined_msg, not_granted_msg) -> bool:
        """"! One-time setup" step-up (explain → confirm → device-flow). True only when granted; refusals print."""
        print()
        print(f"  {t('cli.billing.one_time_setup')}")
        self._dim(explain)
        if not self._app:
            print(noninteractive_msg)
            return False
        choice = self._modal_choice(
            t("cli.billing.allow_remote_spending_title"), t("cli.billing.allow_remote_spending_detail"),
            _allow_remote_spending_choices())
        if choice != "yes":
            print(declined_msg)
            return False
        print(f"  {t('cli.billing.opening_browser_remote_spending')}")
        try:
            from hermes_cli.auth import step_up_nous_billing_scope
            granted = step_up_nous_billing_scope(open_browser=True)
        except Exception as exc:
            print(f"  {t('cli.billing.couldnt_allow_remote_spending', error=exc)}")
            return False
        if not granted:
            print(not_granted_msg)
        return bool(granted)

    def _print_portal_line(self, exc) -> None:
        """``Portal: <url>`` via _cprint when the error carries a portal deep-link."""
        from cli import _cprint
        if exc is not None and exc.portal_url:
            _cprint(f"  {t('cli.billing.portal_line', url=exc.portal_url)}")

    def _open_url_in_browser(self, url: str) -> bool:
        """The one portal opener. Refuses TTY-hijacking text browsers (w3m/lynx over SSH) via the auth guard."""
        if not url:
            return False
        try:
            from hermes_cli.auth import _can_open_graphical_browser, _is_remote_session
            if _is_remote_session() or not _can_open_graphical_browser():
                return False
        except Exception:
            pass  # guard unavailable → plain best-effort open
        try:
            import webbrowser
            return bool(webbrowser.open(url))
        except Exception:
            return False

    def _open_or_print_url(self, url) -> None:
        """Open ``url`` in the browser, or print it when no graphical browser can be used."""
        if not self._open_url_in_browser(url):
            print(f"  {t('cli.billing.open_this_url', url=url)}")

    # ── /usage — Nous balance block ──

    def _print_nous_credits_block(self) -> bool:
        """Nous dollar balance block (two bars); True if anything printed. Shared dollar model first, then
        legacy ``nous_credits_lines``. Agent-independent (TUI slash-worker has no live agent). Fail-open."""
        from cli import _cprint, _b, _d
        usage = self._try_usage_model()
        if usage is not None and usage.available:
            from agent.billing_usage import format_renews
            plan = usage.plan_name or (t("cli.billing.plan_free") if usage.status == "free" else None)
            renews_display = usage.renews_display or format_renews(usage.renews_at)
            renews = t("cli.billing.renews_suffix", date=renews_display) if renews_display else ""
            head = [f"  {_b(t('cli.billing.plan_line', plan=plan, renews=renews))}"] if plan else []
            head += self._usage_bar_lines(usage, usage.plan_name)
            tail = []
            if usage.status == "free":
                tail.append(f"  {_d(t('cli.billing.free_models_only_hint'))}")
            elif usage.status == "low":
                _amt = f"${usage.total_spendable_usd:,.2f}" if usage.total_spendable_usd is not None else t("cli.billing.under_five")
                tail.append(f"  {t('cli.billing.low_balance_usage', amount=_amt)}")
            # All via _cprint like the Plan line: print()/_cprint() flush to different buffers under
            # patch_stdout. "Total spendable" alone does not count as printed (legacy lines still follow).
            if plan:
                print()
            for ln in head:
                _cprint(ln)
            self._print_total_spendable(usage, _cprint)
            for ln in tail:
                _cprint(ln)
            if head or tail:
                return True
        from agent.account_usage import nous_credits_lines
        lines = nous_credits_lines(
            credits_state=getattr(getattr(self, "agent", None), "_credits_state", None),
        )
        if not lines:
            return False
        print()
        for line in lines:
            print(f"  {line}")
        return True

    def _print_usage_cta(self) -> None:
        """The `/usage` call-to-action; mirrors the TUI's ``USAGE_CTA``. Nous-account only."""
        self._dim(t("cli.billing.usage_cta"))

    # ── /subscription — view plan + change it (CLI surface) ──

    def _show_subscription(self):
        """`/subscription` (alias `/upgrade`). Deep-links NAS's ``/manage-subscription`` (NOT Stripe); never charges."""
        from agent.subscription_view import build_subscription_state, subscription_manage_url
        state = build_subscription_state()
        if not state.logged_in:
            self._print_logged_out(state, t("cli.subscription.load_failed_label"), "/subscription")
            return
        if state.context == "team":  # no personal plan — teams run on a shared balance
            self._block_header("☤", t("cli.subscription.team_header"))
            self._print_org_line(state)
            print(f"  {t('cli.subscription.team_connected', org=state.org_name or t('cli.subscription.a_team_org'))}")
            self._dim(t("cli.subscription.personal_note"))
            return
        self._subscription_overview(state, subscription_manage_url(state))

    def _subscription_overview(self, state, manage_url):
        """Plan read block, then the action: portal hand-off (member / non-interactive), catalog (Free), change menu."""
        from cli import _cprint, _b, _d
        from agent.billing_usage import format_renews
        usage = self._try_usage_model()
        c = state.current
        is_free = not (c and c.tier_id)
        can_change = state.can_change_plan
        plan_name = (c.tier_name or c.tier_id) if c else (usage.plan_name if usage else None)
        u_status = usage.status if usage else None
        _spend = usage.total_spendable_usd if usage else None
        renews_display = usage.renews_display if usage else None
        if not renews_display and c and c.cycle_ends_at:
            renews_display = format_renews(c.cycle_ends_at)
        # Headline flags the pending change ("→ Plus" / "→ cancels"); the banner (cancel > downgrade)
        # leads so it can't read as "nothing happened".
        _flip, _trans = "", None
        _your_plan = t("cli.subscription.your_plan")
        if c and c.cancel_at_period_end:
            _flip = t("cli.subscription.status_flip_cancels")
            _trans = (c.tier_name or _your_plan, t("cli.subscription.cancels"),
                      format_renews(c.cancellation_effective_at) or t("cli.subscription.end_of_billing_period"))
        elif c and c.pending_downgrade_tier_name:
            _flip = t("cli.subscription.status_flip_to", tier=c.pending_downgrade_tier_name)
            _trans = (c.tier_name or _your_plan, c.pending_downgrade_tier_name,
                      format_renews(c.pending_downgrade_at) or t("cli.subscription.end_of_cycle"))
        _left = t("cli.subscription.status_left", amount=f"{_spend:,.2f}") if _spend is not None else ""
        if u_status == "low" and _spend is not None:
            _tail = ""
        elif not can_change:
            _tail = t("cli.subscription.status_view_only")
        else:
            _tail = t("cli.subscription.status_renews", date=renews_display) if renews_display else ""
        if plan_name:
            status = t("cli.subscription.status_line", plan=plan_name, flip=_flip, left=_left, tail=_tail)
        else:
            status = t("cli.subscription.status_free")
        # All-_cprint (blanks included) so the block orders deterministically even when piped.
        _cprint("")
        if _trans:
            _from, _to, _when = _trans
            _cprint(f"  ⏳ {_b(t('cli.subscription.scheduled_change'))}")
            _cprint("  " + t("cli.subscription.scheduled_change_line", from_plan=_from, to_plan=_to,
                             when=_d(t("cli.subscription.scheduled_when", when=_when))))
            self._dim(t("cli.subscription.keep_until_then", plan=_from))
            _cprint("")
        _cprint(f"  ☤ {_b(status)}")
        print(f"  {_RULE}")
        for _bar_ln in self._usage_bar_lines(usage, plan_name):
            print(_bar_ln)
        self._print_total_spendable(usage, print)
        if is_free:
            self._dim(t("cli.subscription.paid_models_need_subscription"))
        elif u_status == "low":
            _amt = f"${_spend:,.2f}" if _spend is not None else t("cli.billing.under_five")
            _cprint(f"  {t('cli.subscription.low_balance', amount=_amt)}")
        self._print_org_line(state)
        print(f"  {_RULE}")
        if not can_change:
            self._dim(t("cli.subscription.plan_changes_need_admin"), lead=True)
            if manage_url:
                print(f"  {t('cli.billing.manage_on_portal_url', url=manage_url)}")
        elif not self._app:  # non-interactive (TUI slash-worker / piped): the modal can't run
            print()
            if manage_url:
                print(f"  {t('cli.subscription.manage_url_line', url=manage_url)}")
                print(f"  {t('cli.subscription.open_then_rerun')}")
        elif is_free:  # a NEW subscription needs a fresh card → catalog + portal deep-link only
            self._subscription_free_catalog(state, manage_url)
        else:
            self._subscription_change_menu(state, manage_url)

    def _subscription_free_catalog(self, state, manage_url):
        """Free + admin + interactive: catalog → pick → portal deep-link ``plan=<tier_id>`` (a new sub needs a card)."""
        from agent.subscription_view import format_tier_row, selectable_tiers, subscription_manage_url
        tiers = selectable_tiers(state)
        if not tiers:
            self._subscription_open_portal(state, manage_url, verb=t("cli.subscription.start_subscription"))
            return
        self._block_header("☤", t("cli.subscription.choose_plan"))
        for i, tier in enumerate(tiers, 1):
            print(f"  {i}. {format_tier_row(tier)}")
        self._dim(t("cli.subscription.start_opens_portal"))
        choices = [(tier.tier_id, format_tier_row(tier), t("cli.subscription.desc_start_on_portal", name=tier.name))
                   for tier in tiers]
        choices.append(_cancel_row())
        raw = self._prompt_text_input_modal(
            title=t("cli.subscription.start_subscription"), detail=t("cli.subscription.pick_plan_detail"), choices=choices)
        # Rows are numbered → accept a bare number (the normalizer only knows confirm-dialog digits).
        _digit = (raw or "").strip()
        _by_row = tiers[int(_digit) - 1] if _digit.isdigit() and 1 <= int(_digit) <= len(tiers) else None
        choice = _by_row.tier_id if _by_row else self._normalize_slash_confirm_choice(raw, choices)
        if not choice or choice == "cancel":
            print(f"  {t('cli.subscription.cancelled_no_plan_started')}")
            return
        tier_url = subscription_manage_url(state, tier_id=choice) or manage_url
        if not tier_url:
            self._dim(t("cli.billing.no_manage_url"))
            return
        picked = next((tier for tier in tiers if tier.tier_id == choice), None)
        label = picked.name if picked else t("cli.subscription.your_plan")
        if self._open_url_in_browser(tier_url):
            print(f"  {t('cli.subscription.opening_portal_to_start', plan=label)}")
        else:
            print(f"  {t('cli.subscription.open_url_to_start', plan=label, url=tier_url)}")
        print(f"  {t('cli.subscription.finish_in_browser')}")

    def _subscription_open_portal(self, state, manage_url, *, verb=None):
        """Open / copy the manage-subscription URL — the portal hand-off."""
        verb = verb or t("cli.subscription.manage_your_subscription")
        print()
        if not manage_url:
            self._dim(t("cli.billing.no_manage_url"))
            return
        choices = [
            ("open", verb, t("cli.subscription.desc_open_subscription_page")),
            ("copy", t("cli.subscription.choice_copy_link"), t("cli.subscription.desc_copy_link")),
            _cancel_row()]
        choice = self._modal_choice(verb, "", choices)
        if choice == "open":
            self._open_or_print_url(manage_url)
            print()
            print(f"  {t('cli.subscription.finish_in_browser')}")
        elif choice == "copy":
            try:
                self._write_osc52_clipboard(manage_url)
                print(f"  {t('cli.subscription.copied', url=manage_url)}")
            except Exception:
                print(f"  {t('cli.subscription.manage_url', url=manage_url)}")
        else:
            print(f"  {t('cli.billing.cancelled_yellow')}")

    def _subscription_change_menu(self, state, manage_url):
        """The in-terminal change menu for a paid admin/owner (interactive)."""
        c = state.current
        # A scheduled change makes undo the likeliest intent → promote it first. The Close row is
        # "close" (not "cancel") so typing "cancel" can't be confused with "Cancel subscription".
        if c and (c.cancel_at_period_end or c.pending_downgrade_tier_name):
            keep_name = c.tier_name or t("cli.subscription.your_plan")
            head = [("keep", t("cli.subscription.choice_keep_plan", plan=keep_name), t("cli.subscription.desc_keep_plan")),
                    _change_plan_row()]
        else:
            head = [_change_plan_row(),
                    ("cancel_sub", t("cli.subscription.choice_cancel_subscription"), t("cli.subscription.desc_cancel_subscription"))]
        choice = self._modal_choice(t("cli.subscription.manage_your_subscription"), "", head + _change_menu_tail())
        action = {
            "change": lambda: self._subscription_pick_tier(state),
            "keep": lambda: self._subscription_apply(state, ("resume", None)),
            "cancel_sub": lambda: self._subscription_confirm_cancel(state),
            "portal": lambda: self._subscription_open_portal(state, manage_url)}.get(choice)
        if action:
            action()
        else:
            print(f"  {t('cli.subscription.closed_no_change')}")

    def _subscription_pick_tier(self, state):
        """Tier picker → preview → confirm. Paid tiers other than current (dropping to free = cancellation)."""
        from agent.subscription_view import format_tier_row, is_upgrade, selectable_tiers
        c = state.current
        selectable = selectable_tiers(state)
        if not selectable:
            print(f"  {t('cli.subscription.no_other_plans')}")
            return
        choices = []
        for tier in selectable:
            direction = t("cli.subscription.direction_upgrade") if is_upgrade(state, tier.tier_id) else t("cli.subscription.direction_downgrade")
            choices.append((tier.tier_id, t("cli.subscription.tier_row", row=format_tier_row(tier), direction=direction),
                            t("cli.subscription.desc_switch_to", name=tier.name)))
        choices.append(_cancel_row(label_key="cli.billing.choice_back"))
        choice = self._modal_choice(
            t("cli.subscription.change_plan_title"),
            t("cli.subscription.current_pick_detail", plan=c.tier_name if c else t("cli.billing.plan_free")), choices)
        if not choice or choice == "cancel":
            print(f"  {t('cli.subscription.cancelled_no_plan_change')}")
            return
        self._subscription_preview_and_confirm(state, choice)

    def _subscription_preview_and_confirm(self, state, tier_id, *, allow_stepup=True):
        """Preview → effect → confirm+apply. ``allow_stepup=False`` (post-grant replay) never re-prompts a step-up."""
        from cli import _cprint, _b, _d
        from agent.subscription_view import is_upgrade, subscription_change_preview_from_payload, subscription_manage_url
        from hermes_cli.nous_billing import BillingError, BillingScopeRequired, post_subscription_preview
        self._dim(t("cli.subscription.checking_change"))
        try:
            payload = post_subscription_preview(subscription_type_id=tier_id)
        except BillingScopeRequired:
            if allow_stepup:
                self._subscription_handle_scope_required(state, retry=("preview", tier_id))
            else:
                print(f"  {t('cli.billing.stepup_stale')}")
            return
        except BillingError as exc:
            self._subscription_render_error(state, exc)
            return
        p = subscription_change_preview_from_payload(payload)
        effect = p.effect
        target = p.target_tier_name or t("cli.subscription.the_selected_plan")
        print()
        if effect == "no_op":
            self._dim(t("cli.subscription.already_on_nothing_to_change", plan=target))
            return
        if effect not in ("charge_now", "scheduled"):
            # blocked OR unknown effect → fail SAFE (never schedule on an unrecognized string) and
            # re-offer the portal. plan= rides along only for an UPGRADE hand-off (downgrades stay native).
            _cprint(f"  🟡 {p.reason or t('cli.subscription.cannot_confirm_here')}")
            _plan = tier_id if is_upgrade(state, tier_id) else None
            _mu = subscription_manage_url(state, tier_id=_plan)
            if _mu:
                print(f"  {t('cli.billing.manage_on_portal_url', url=_mu)}")
            return
        _tag = t("cli.subscription.tag_charged_now") if effect == "charge_now" else t("cli.subscription.tag_scheduled_not_today")
        _cprint(f"  {_b(t('cli.subscription.confirm_plan_change'))}  {_d(_tag)}")
        if effect == "charge_now":
            _amt = f"${p.amount_due_now_cents / 100:.2f}" if p.amount_due_now_cents is not None else None
            _charged = t("cli.subscription.charged_amount_now", amount=_amt) if _amt else t("cli.subscription.charged_prorated_now")
            _cprint(f"  {t('cli.subscription.upgrade_will_be_charged', plan=target, charged=_charged)}")
            # Best-effort: name the exact card, but only when the resolver rung matches what a
            # subscription charge actually uses (subPin / customerDefault — Stripe's precedence).
            _card_line = t("cli.subscription.card_on_subscription_charged")
            try:
                from agent.billing_view import build_billing_state
                _bs = build_billing_state(timeout=6.0)
                _c = _bs.card if _bs.logged_in else None
                if _c is not None and _c.resolved_via in ("subPin", "customerDefault"):
                    _card_line = t("cli.subscription.named_card_on_subscription_charged", card=_c.masked)
            except Exception:
                pass
            self._dim(_card_line)
            pay_label = (t("cli.subscription.choice_pay_and_upgrade", amount=_amt) if _amt
                         else t("cli.subscription.choice_upgrade_now_prorated"))
            action = ("upgrade", tier_id)
            # The money-moving row is NOT the default — a bare Enter hits "Go back", so a stray keystroke can't charge.
            confirm_choices = [
                _cancel_row(label_key="cli.billing.choice_go_back", desc_key="cli.billing.desc_do_not_charge"),
                ("yes", pay_label, t("cli.subscription.desc_charge_and_upgrade"))]
        else:  # scheduled (whitelisted above)
            _when = (p.effective_at[:10] if (p.effective_at and len(p.effective_at) >= 10)
                     else t("cli.subscription.end_of_billing_period"))
            _cprint(f"  {t('cli.subscription.change_takes_effect', plan=target, when=_when)}")
            pay_label = t("cli.subscription.choice_schedule_change", plan=target)
            action = ("schedule", tier_id)
            confirm_choices = [
                ("yes", pay_label, t("cli.subscription.desc_apply_change")),
                _cancel_row(label_key="cli.billing.choice_go_back", desc_key="cli.subscription.desc_do_not_change")]
        if p.monthly_credits_delta:
            self._dim(t("cli.subscription.monthly_credits_change", delta=p.monthly_credits_delta))
        if self._modal_choice(pay_label, "", confirm_choices) != "yes":
            print(f"  {t('cli.subscription.cancelled_no_plan_change')}")
            return
        self._subscription_apply(state, action, allow_stepup=allow_stepup)

    def _subscription_confirm_cancel(self, state):
        """Confirm, then schedule a cancellation at period end."""
        from cli import _cprint, _b, _d
        from agent.billing_usage import format_renews
        c = state.current
        _end = ((format_renews(c.cycle_ends_at) if (c and c.cycle_ends_at) else None)
                or t("cli.subscription.end_of_billing_period"))
        print()
        _cprint(f"  {_b(t('cli.subscription.confirm_cancellation'))}  {_d(t('cli.subscription.tag_scheduled_not_today'))}")
        _cprint("  " + t("cli.subscription.cancel_stays_active_until",
                         plan=(c.tier_name if c else t("cli.subscription.your_plan")), end=_end))
        self._dim(t("cli.subscription.keep_remaining_credits"))
        if self._modal_choice(t("cli.subscription.cancel_subscription_question"), "", _cancel_sub_choices()) != "yes":
            print(f"  {t('cli.subscription.cancelled_plan_unchanged')}")
            return
        self._subscription_apply(state, ("cancel", None))

    def _subscription_apply(self, state, action, idempotency_key=None, *, allow_stepup=True):
        """Run ("upgrade"|"schedule", tier_id) / ("cancel"|"resume", None); scope denial → step-up + ONE replay, same key."""
        from cli import _cprint
        from hermes_cli.nous_billing import (
            BillingError, BillingTransient, BillingRemoteSpendingRevoked, BillingScopeRequired, BillingSessionRevoked,
            delete_subscription_pending_change, post_subscription_upgrade, put_subscription_pending_change)
        kind, arg = action
        key = None
        if kind == "upgrade":
            from agent.billing_view import new_idempotency_key
            key = idempotency_key or new_idempotency_key()
        try:
            if kind == "upgrade":
                res = post_subscription_upgrade(subscription_type_id=arg, idempotency_key=key) or {}
                status = res.get("status")
                name = res.get("targetTierName") or t("cli.subscription.your_new_plan")
                if status in _UPGRADE_OK_KEYS:
                    self._ok(t(_UPGRADE_OK_KEYS[status], name=name))
                elif status in _UPGRADE_STATUS_KEYS:
                    line_key, echo_url = _UPGRADE_STATUS_KEYS[status]
                    _cprint(f"  {t(line_key)}")
                    if echo_url and res.get("recoveryUrl"):
                        _cprint(f"  {t('cli.billing.portal_line', url=res.get('recoveryUrl'))}")
                else:  # unknown / absent 2xx status → also ambiguous, not a flat failure
                    self._subscription_render_upgrade_ambiguous(None)
                return
            pending = {
                "schedule": (put_subscription_pending_change, {"subscription_type_id": arg}),
                "cancel": (put_subscription_pending_change, {"cancel": True}),
                "resume": (delete_subscription_pending_change, {})}.get(kind)
            if pending:
                pending[0](**pending[1])
                self._ok(t(_PENDING_OK_KEYS[kind]))
            self._dim(t("cli.subscription.rerun_to_review"))
        except BillingScopeRequired:  # rejects BEFORE charging → route to the step-up
            if allow_stepup:
                self._subscription_handle_scope_required(state, retry=action, idempotency_key=key)
            else:
                print(f"  {t('cli.billing.stepup_stale')}")
        except BillingError as exc:
            # Upgrade only: deterministic PRE-charge rejections (Transient/401/403 types, 4xx codes)
            # never reached Stripe → recovery copy. Transport / 5xx is INDETERMINATE (NAS may have
            # charged) → steer to a re-check, never a blind retry (a fresh key can't dedup).
            _pre_charge = (BillingTransient, BillingSessionRevoked, BillingRemoteSpendingRevoked)
            _ambiguous = (exc.error in ("network_error", "endpoint_unavailable")
                          or exc.status is None or exc.status >= 500)
            if kind == "upgrade" and _ambiguous and not isinstance(exc, _pre_charge):
                self._subscription_render_upgrade_ambiguous(exc)
            else:
                self._subscription_render_error(state, exc)

    def _subscription_handle_scope_required(self, state, *, retry, idempotency_key=None):
        """insufficient_scope → step-up, then replay `retry` ONCE so the user never re-runs the command."""
        granted = self._step_up_remote_spending(
            explain=t("cli.subscription.stepup_explain"),
            noninteractive_msg=f"  {t('cli.subscription.stepup_noninteractive')}",
            declined_msg=f"  {t('cli.subscription.stepup_declined')}",
            not_granted_msg=f"  {t('cli.subscription.stepup_not_granted')}")
        if not granted:
            return
        self._ok(t("cli.billing.remote_spending_allowed"))
        # Bust the 30s token cache (it still holds the pre-grant token; _request only busts on 401).
        try:
            from hermes_cli import nous_billing as _nb
            _nb.invalidate_cached_token()
        except Exception:
            pass
        # Re-fetch fresh state, then replay the held action ONCE (allow_stepup=False).
        from agent.subscription_view import build_subscription_state
        try:
            fresh = build_subscription_state()
        except Exception:
            fresh = state
        if retry[0] == "preview":
            self._subscription_preview_and_confirm(fresh, retry[1], allow_stepup=False)
        else:
            self._subscription_apply(fresh, retry, idempotency_key=idempotency_key, allow_stepup=False)

    def _subscription_render_error(self, state, exc):
        """Render a subscription BillingError (a lighter _billing_render_charge_error)."""
        from cli import _cprint
        msg = str(exc) or t("cli.billing.something_went_wrong")
        if exc.error == "insufficient_scope":  # defensive: the flow routes scope to the step-up before here
            _cprint(f"  {t('cli.subscription.remote_spending_not_allowed_yet')}")
        elif exc.error in ("subscription_mutation_rejected", "preview_rejected"):
            _cprint(f"  🟡 {msg}")
        else:
            _cprint(f"  🔴 {msg}")
        self._print_portal_line(exc)

    def _subscription_render_upgrade_ambiguous(self, exc):
        """AMBIGUOUS outcome (NAS may have charged) → steer to a re-check, never a blind retry (key isn't persisted)."""
        from cli import _cprint
        _cprint(f"  {t('cli.subscription.upgrade_ambiguous')}")
        self._dim(t("cli.subscription.rerun_to_check_plan"))
        self._print_portal_line(exc)

    # ── /topup — Remote Spending (CLI surface, all 5 screens) ──

    def _show_billing(self, command: str = "/topup"):
        """`/topup` — ZERO sub-commands (argument ignored; Overview is the only route). Non-interactive never
        prompts. Money is Decimal end-to-end; the terminal never collects card details."""
        from agent.billing_view import build_billing_state
        state = build_billing_state()
        if not state.logged_in:
            self._print_logged_out(state, t("cli.billing.load_failed_label"), "/topup")
            return
        self._billing_overview(state)

    def _billing_portal_hint(self, state, *, reason: str = "") -> None:
        """Print a portal deep-link line (the funnel for portal-only actions)."""
        if not state.portal_url:
            return
        if reason:
            print(f"  {reason}")
        print(f"  {t('cli.billing.manage_on_portal_url', url=state.portal_url)}")

    def _billing_require_admin(self, state, *, icon="💳 ", off_reason_key="cli.billing.killswitch_reason_buy") -> bool:
        """Admin + org kill-switch gate; portal funnel + False when blocked. ``icon`` adds a blank line + prefix."""
        if state.can_change_plan and state.cli_billing_enabled:
            return True
        if icon:
            print()
        if not state.can_change_plan:
            self._dim(t("cli.billing.actions_require_admin"), icon=icon)
            self._billing_portal_hint(state)
        else:
            self._dim(t("cli.billing.remote_spending_off_for_org"), icon=icon)
            self._billing_portal_hint(state, reason=t(off_reason_key))
        return False

    def _billing_overview(self, state):
        """Screen 1 — balance, bars, menu. No scope preflight (a charge 403s); a missing card does NOT gate it."""
        from cli import _cprint, _b
        from agent.billing_view import format_money
        usage = self._try_usage_model()
        print()
        _cprint(f"  💳 {_b(t('cli.billing.topup_header', balance=format_money(state.balance_usd)))}")
        self._print_org_line(state)
        print(f"  {_RULE}")
        for _bar_ln in self._usage_bar_lines(usage, usage.plan_name if usage else None):
            print(_bar_ln)
        ar = state.auto_reload
        if ar is not None:
            if ar.enabled:
                print(f"  {t('cli.billing.auto_reload_on_line', threshold=format_money(ar.threshold_usd), reload_to=format_money(ar.reload_to_usd))}")
            else:
                print(f"  {t('cli.billing.auto_reload_off_line')}")
        if state.keep_going_on_credits is not None:
            print(f"  {t('cli.billing.keep_going_on_line' if state.keep_going_on_credits else 'cli.billing.keep_going_off_line')}")
        if state.can_change_plan and state.cli_billing_enabled:  # card at a glance, full-menu case only
            if state.card is not None:
                print(f"  {t('cli.billing.card_line', card=state.card.display)}")
            else:
                self._dim(t("cli.billing.no_saved_card_add_funds_hint"))
        print(f"  {_RULE}")
        # Action gating: admin + kill-switch for charge/auto-reload; everyone gets portal.
        if not self._billing_require_admin(state, icon="", off_reason_key="cli.billing.killswitch_reason_overview"):
            self._billing_offer_keep_going_off(state)
            return
        if not self._app:  # non-interactive: no modal, just the portal funnel
            self._billing_portal_hint(state)
            return
        # One-time vs automatic — the distinction stated up front in each first sentence.
        self._dim(t("cli.billing.add_funds_now_hint"))
        _amounts = [ar.reload_to_usd, ar.threshold_usd] if ar is not None and ar.enabled else [None]
        if all(a is not None and a.is_finite() for a in _amounts):
            _auto_line = t("cli.billing.refill_when_low_amounts", reload_to=format_money(ar.reload_to_usd),
                           threshold=format_money(ar.threshold_usd))
        else:
            _auto_line = t("cli.billing.refill_when_low_generic")
        self._dim(_auto_line)
        print(f"  {_RULE}")
        # No "Allow Remote Spending" item — discovered at pay time. "Add funds" charges the org's
        # portal-saved card (server-held; no card ref leaves the client).
        # "hermes" only on window plans (the portal sends the setting only there).
        choices = _topup_menu_choices()
        if state.keep_going_on_credits is not None:
            choices.insert(2, _keep_going_row())  # after Auto-reload
        action = {
            "buy": self._billing_buy_flow,
            "auto": self._billing_auto_reload_flow,
            "hermes": self._billing_keep_going_on_credits_flow,
            "limit": self._billing_limit_screen,
            "portal": self._billing_open_portal}.get(self._modal_choice(t("cli.billing.topup_title"), "", choices))
        if action:
            action(state)
        else:
            print(f"  {t('cli.billing.cancelled')}")

    def _billing_open_portal(self, state):
        if not state.portal_url:
            print(f"  {t('cli.billing.no_portal_url')}")
            return
        self._open_or_print_url(state.portal_url)
        print(f"  {t('cli.billing.complete_in_browser')}")

    def _billing_add_card_flow(self, state):
        """No card → add it on the portal (never in-terminal), bounded re-check loop. Refreshed state, or None."""
        from cli import _cprint
        self._block_header("💳", t("cli.billing.add_card_first"), rule=False)
        _cprint(f"  {t('cli.billing.no_saved_card')}")
        self._dim(t("cli.billing.add_card_once_hint"))
        for _ in range(8):  # bounded: portal-open plus a handful of re-checks
            choice = self._modal_choice(t("cli.billing.add_card_title"), "", _add_card_choices())
            if choice == "portal":
                self._billing_open_portal(state)
                self._dim(t("cli.billing.add_card_then_recheck"))
            elif choice == "recheck":
                from agent.billing_view import build_billing_state
                try:
                    fresh = build_billing_state()
                except Exception:
                    fresh = None
                if fresh is not None and fresh.logged_in:
                    state = fresh
                if state.card is not None:
                    self._ok(t("cli.billing.card_found_continuing", card=state.card.display))
                    return state
                print(f"  {t('cli.billing.still_no_card')}")
            else:
                break
        print(f"  {t('cli.billing.cancelled_no_funds')}")
        return None

    def _billing_buy_flow(self, state):
        """Screen 2 (presets) → Screen 3 (confirm+charge+poll). No scope preflight: react to the server's 403s."""
        from agent.billing_view import format_money, validate_charge_amount
        if not self._billing_require_admin(state):
            return
        if not self._app:
            self._block_header("💳", t("cli.billing.add_funds"), rule=False)
            print(f"  {t('cli.billing.presets', presets=', '.join(format_money(p) for p in state.charge_presets))}")
            print(f"  {t('cli.billing.run_interactive_to_purchase')}")
            self._billing_portal_hint(state)
            return
        if state.card is None:  # guided add-card path first, so the amount pick can't 403
            state = self._billing_add_card_flow(state)
            if state is None or state.card is None:
                return
        preset_choices = [(str(p), format_money(p), t("cli.billing.desc_one_time_purchase")) for p in state.charge_presets]
        preset_choices.append(("custom", t("cli.billing.choice_custom_amount"), t("cli.billing.desc_custom_amount")))
        preset_choices.append(_cancel_row())
        card = state.card
        choice = self._modal_choice(
            t("cli.billing.add_funds"),
            t("cli.billing.payment_line", card=card.display) if card else t("cli.billing.no_saved_card_short"),
            preset_choices)
        if not choice or choice == "cancel":
            print(f"  {t('cli.billing.cancelled_no_funds')}")
            return
        from decimal import Decimal
        if choice == "custom":
            entered = self._prompt_text_input(f"  {t('cli.billing.amount_prompt')} ")
            if entered is None:  # cancelled (e.g. slash-worker can't prompt off-thread)
                print(f"  {t('cli.billing.cancelled_no_funds')}")
                return
            v = validate_charge_amount(entered or "", min_usd=state.min_usd, max_usd=state.max_usd)
            if not v.ok:
                print(f"  🔴 {v.error}")
                return
            amount = v.amount
        else:
            try:
                amount = Decimal(choice)
            except Exception:
                print(f"  {t('cli.billing.invalid_selection')}")
                return
        self._billing_confirm_and_charge(state, amount)

    def _billing_confirm_and_charge(self, state, amount):
        """Screen 3 — confirm total + consent, charge, then poll to settlement."""
        from agent.billing_view import format_money, new_idempotency_key
        card = state.card
        self._block_header("💳", t("cli.billing.confirm_purchase"))
        print(f"  {t('cli.billing.total_line', amount=format_money(amount))}")
        if card:
            print(f"  {t('cli.billing.payment_line', card=card.display)}")
            if card.provenance is None:  # older NAS without provenance → generic line
                self._dim(t("cli.billing.portal_card_will_be_charged"))
        print(f"  {_RULE}")
        self._dim(t("cli.billing.consent_charge"))
        confirm_choices = [
            ("pay", t("cli.billing.choice_pay_now", amount=format_money(amount)), t("cli.billing.desc_submit_charge")),
            ("portal", t("cli.billing.choice_manage_on_portal"), t("cli.billing.desc_manage_card_billing")),
            _cancel_row(label_key="cli.billing.choice_go_back", desc_key="cli.billing.desc_do_not_charge")]
        if not self._app:
            print(f"  {t('cli.billing.run_interactive_to_confirm')}")
            return
        choice = self._modal_choice(
            t("cli.billing.pay_question", amount=format_money(amount)),
            card.display if card else t("cli.billing.no_saved_card_lower"), confirm_choices)
        if choice == "portal":
            self._billing_open_portal(state)
            return
        if choice != "pay":
            print(f"  {t('cli.billing.cancelled_no_funds')}")
            return
        key = new_idempotency_key()  # reused on the post-step-up resume so a double-submit collapses
        self._billing_submit_and_poll(
            state, amount, key, missing_msg=f"  🔴 {t('cli.billing.no_charge_id')}",
            status_msg=t("cli.billing.charge_submitted"),
            on_scope=lambda: self._billing_handle_scope_required(state, amount=amount, idempotency_key=key))

    def _billing_submit_and_poll(self, state, amount, key, *, missing_msg, status_msg, on_scope=None):
        """POST the charge, then poll. ``on_scope`` handles a scope denial (first submit); else it renders."""
        from cli import _cprint, _d
        from hermes_cli.nous_billing import BillingError, BillingScopeRequired, post_charge
        try:
            result = post_charge(amount_usd=amount, idempotency_key=key)
        except BillingError as exc:
            if on_scope is not None and isinstance(exc, BillingScopeRequired):
                on_scope()
            else:
                self._billing_render_charge_error(state, exc)
            return
        charge_id = result.get("chargeId")
        if not charge_id:
            print(missing_msg)
            return
        _cprint(f"  {_d(status_msg)}")
        self._billing_poll_charge(state, charge_id, amount)

    def _billing_poll_charge(self, state, charge_id, amount):
        """Poll loop: 2s interval, 5-min cap, cancellable. settled = ledger truth."""
        import time as _time
        from agent.billing_view import format_money, parse_money
        from hermes_cli.nous_billing import BillingError, BillingTransient, get_charge_status
        deadline = _time.time() + 300
        while _time.time() < deadline:
            try:
                status = get_charge_status(charge_id)
            except BillingTransient as exc:  # retry-after, NOT a failure — back off and keep polling
                _time.sleep(min(exc.retry_after or 5, 30))
                continue
            except BillingError as exc:
                print(f"  {t('cli.billing.could_not_check_charge', error=exc)}")
                return
            state_str = status.get("status")
            if state_str == "settled":
                amt = status.get("amountUsd")
                _added = format_money(parse_money(amt)) if amt else format_money(amount)
                print(f"  {t('cli.billing.added_to_balance', amount=_added)}")
                return
            if state_str == "failed":
                self._billing_render_charge_failed(state, status.get("reason"))
                return
            _time.sleep(2.0)  # pending
        print(f"  {t('cli.billing.still_processing')}")
        self._billing_portal_hint(state)

    def _billing_render_charge_failed(self, state, reason):
        """Poll `failed` reasons → the right copy + portal funnel."""
        reason = (reason or "").strip()
        key = _CHARGE_FAILED_KEYS.get(reason)
        print(f"  {t(key)}" if key else f"  {t('cli.billing.charge_failed_generic', reason=reason or 'processing_error')}")
        self._billing_portal_hint(state)

    def _billing_render_charge_error(self, state, exc):
        """Submit-time BillingError. Order matters: revoked/session before code lookups; Transient before scope."""
        from hermes_cli.nous_billing import BillingTransient, BillingRemoteSpendingRevoked, BillingSessionRevoked
        code = exc.error
        portal_url = exc.portal_url or state.portal_url
        if isinstance(exc, BillingRemoteSpendingRevoked) or code == "remote_spending_revoked":
            # This terminal's spend was revoked; recovery is reconnect.
            who = t("cli.billing.revoked_by_admin") if exc.actor == "admin" else t("cli.billing.revoked_by_you")
            print(f"  {t('cli.billing.revoked_reconnect', who=who)}")
        elif isinstance(exc, BillingSessionRevoked) or code == "session_revoked":
            print(f"  {t('cli.billing.session_logged_out')}")
        elif code in _CHARGE_ERROR_KEYS or exc.code == "remote_spending_disabled":
            # Fixed copy by `error`; the gate's dual error/code payload may carry it in `.code` only.
            print(f"  {t(_CHARGE_ERROR_KEYS.get(code) or _CHARGE_ERROR_KEYS['cli_billing_disabled'])}")
        elif code == "monthly_cap_exceeded":
            remaining = (exc.payload or {}).get("remainingUsd")
            if remaining is not None:
                print(f"  {t('cli.billing.monthly_cap_reached_headroom', remaining=remaining)}")
            else:
                print(f"  {t('cli.billing.monthly_cap_reached')}")
        elif isinstance(exc, BillingTransient):
            wait = exc.retry_after
            mins = t("cli.billing.try_again_in_min", minutes=max(1, round(wait / 60))) if wait else ""
            print(f"  {t('cli.billing.too_many_charges', mins=mins)}")
        elif code == "insufficient_scope":
            # Never leak the raw billing:manage scope (a raced post-grant replay can re-raise it).
            print(f"  {t('cli.billing.remote_spending_needs_approval')}")
        else:
            print(f"  🔴 {exc}")
        if portal_url:
            print(f"  {t('cli.billing.portal_line', url=portal_url)}")

    def _billing_handle_scope_required(self, state, *, amount=None, idempotency_key=None):
        """403 insufficient_scope → reauth, then resume ``amount`` on explicit confirm, reusing the idempotency key."""
        from agent.billing_view import build_billing_state, format_money, new_idempotency_key
        amount_str = format_money(amount) if amount is not None else t("cli.billing.your_topup")
        granted = self._step_up_remote_spending(
            explain=t("cli.billing.charge_stepup_explain", amount=amount_str),
            noninteractive_msg=f"  {t('cli.billing.charge_stepup_noninteractive')}",
            declined_msg=f"  {t('cli.billing.charge_stepup_declined')}",
            not_granted_msg=f"  {t('cli.billing.charge_stepup_not_granted')}")
        if not granted:
            return
        # The token now has the scope, but the ORG kill-switch is a separate gate — re-fetch /state.
        fresh = build_billing_state()
        if not (fresh.logged_in and fresh.cli_billing_enabled):
            print(f"  {t('cli.billing.allowed_but_org_off')}")
            self._billing_portal_hint(fresh)
            return
        if fresh.card is None:  # half-done state: say so rather than a bare "✓ enabled"
            print(f"  ✓ {t('cli.billing.allowed_no_card')}")
            self._dim(t("cli.billing.topup_on_portal_to_continue"))
            self._billing_portal_hint(fresh)
            return
        if amount is None:  # scope-required hit outside a charge (e.g. auto-reload config)
            print(f"  ✓ {t('cli.billing.allowed_run_topup')}")
            return
        print(f"  ✓ {t('cli.billing.remote_spending_allowed')}")
        resume_choices = [
            ("resume", t("cli.billing.choice_resume_topup", amount=format_money(amount)), t("cli.billing.desc_resume_topup")),
            _cancel_row(desc_key="cli.billing.desc_do_not_charge")]
        if self._modal_choice(
                t("cli.billing.resume_topup_title"),
                t("cli.billing.resume_topup_detail", amount=format_money(amount)), resume_choices) != "resume":
            print(f"  {t('cli.billing.cancelled_no_funds')}")
            return
        self._billing_submit_and_poll(
            fresh, amount, idempotency_key or new_idempotency_key(),
            missing_msg=f"  {t('cli.billing.no_charge_id')}",
            status_msg=t("cli.billing.resuming_topup"))

    def _billing_auto_reload_flow(self, state):
        """Screen 4 — threshold + reload-to → PATCH. Prefills; validates ``reload_to > threshold``; "Turn off" if on."""
        from agent.billing_view import format_money, validate_charge_amount
        if not self._billing_require_admin(state):
            return
        card = state.card
        ar = state.auto_reload
        currently_on = bool(ar and ar.enabled)
        self._block_header("💳", t("cli.billing.auto_reload"))
        self._dim(t("cli.billing.auto_reload_hint"))
        if card:
            print(f"  {t('cli.billing.card_on_file', card=card.masked)}")
        else:
            print(f"  {t('cli.billing.no_saved_card_manage_portal')}")
            self._billing_portal_hint(state)
            return
        _current = (t("cli.billing.auto_reload_rule", threshold=format_money(ar.threshold_usd), reload_to=format_money(ar.reload_to_usd))
                    if currently_on else "")
        if currently_on:
            print(f"  {t('cli.billing.currently', rule=_current)}")
        if not self._app:
            print(f"  {t('cli.billing.run_interactive_to_configure')}")
            self._billing_portal_hint(state)
            return
        if currently_on:  # let the user turn it off without re-entering values
            top = self._modal_choice(t("cli.billing.auto_reload"), t("cli.billing.auto_reload_on_detail", rule=_current),
                                     _auto_reload_top_choices())
            if top == "off":
                self._billing_auto_reload_disable(state)
                return
            if top != "edit":
                print(f"  {t('cli.billing.cancelled_yellow')}")
                return
        _CANCELLED = object()

        def _ask_amount(label, current):
            """One amount; empty keeps `current` when editing. Decimal / kept value, or _CANCELLED (already printed)."""
            cur = format_money(current) if currently_on else None
            prompt = f"  {t('cli.billing.amount_prompt_labeled', label=label)}" + (f" [{cur}]: " if cur else ": ")
            raw = self._prompt_text_input(prompt)
            if raw is None:  # cancelled (e.g. slash-worker can't prompt off-thread)
                print(f"  {t('cli.billing.cancelled_yellow')}")
                return _CANCELLED
            if not (raw or "").strip() and currently_on:
                return current
            v = validate_charge_amount(raw or "", min_usd=state.min_usd, max_usd=state.max_usd)
            if not v.ok or v.amount is None:
                print(f"  🔴 {v.error}")
                return _CANCELLED
            return v.amount
        threshold_amt = _ask_amount(t("cli.billing.threshold_label"), ar.threshold_usd if currently_on else None)
        if threshold_amt is _CANCELLED:
            return
        reload_amt = _ask_amount(t("cli.billing.reload_to_label"), ar.reload_to_usd if currently_on else None)
        if reload_amt is _CANCELLED:
            return
        if reload_amt is None or threshold_amt is None or reload_amt <= threshold_amt:
            print(f"  {t('cli.billing.reload_must_exceed_threshold')}")
            return
        self._dim(t("cli.billing.auto_reload_consent", card=card.masked, threshold=format_money(threshold_amt)), lead=True)
        if self._modal_choice(
                t("cli.billing.turn_on_auto_reload_question"),
                t("cli.billing.auto_reload_rule_cap", threshold=format_money(threshold_amt), reload_to=format_money(reload_amt)),
                _auto_reload_agree_choices()) != "agree":
            print(f"  {t('cli.billing.cancelled_yellow')}")
            return
        if self._billing_patch_auto_top_up(state, enabled=True, threshold=float(threshold_amt), top_up_amount=float(reload_amt)):
            print(f"  {t('cli.billing.auto_reload_enabled', threshold=format_money(threshold_amt), reload_to=format_money(reload_amt))}")

    def _billing_patch_auto_top_up(self, state, **kwargs) -> bool:
        """PATCH auto-top-up; scope denials → step-up, other errors → renderer. True on success."""
        from hermes_cli.nous_billing import patch_auto_top_up
        return self._billing_patch(state, patch_auto_top_up, **kwargs)

    def _billing_patch(self, state, call, **kwargs) -> bool:
        from hermes_cli.nous_billing import BillingError, BillingScopeRequired
        try:
            call(**kwargs)
        except BillingScopeRequired:
            self._billing_handle_scope_required(state)
            return False
        except BillingError as exc:
            self._billing_render_charge_error(state, exc)
            return False
        return True

    def _billing_offer_keep_going_off(self, state):
        """Turning "Keep going on credits" off only stops spending, so an admin can still do it with
        Remote Spending off (the portal and the server allow it too)."""
        if not (state.can_change_plan and state.keep_going_on_credits and getattr(self, "_app", None)):
            return
        if self._modal_choice(t("cli.billing.keep_going_is_on_title"), "", _keep_going_off_choices()) == "off":
            self._billing_keep_going_on_credits_flow(state)

    def _billing_keep_going_on_credits_flow(self, state):
        """Window plans: flip "Keep going on credits". Turning it on spends money later, so it asks
        first; turning it off does not."""
        turn_on = not state.keep_going_on_credits
        if turn_on and self._modal_choice(
                t("cli.billing.keep_going_confirm_title"), t("cli.billing.keep_going_confirm_body"),
                _keep_going_agree_choices()) != "agree":
            print(f"  {t('cli.billing.cancelled_yellow')}")
            return
        self._billing_set_keep_going(state, turn_on, allow_stepup=True)

    def _billing_set_keep_going(self, state, turn_on: bool, *, allow_stepup: bool) -> None:
        """PATCH the setting. A scope denial runs the step-up, then sends the same change ONCE (no card or
        org Remote Spending check: the setting is not a charge, and turning it off must always work)."""
        from hermes_cli.nous_billing import BillingError, BillingScopeRequired, patch_keep_going_on_credits
        try:
            patch_keep_going_on_credits(enabled=turn_on)
        except BillingScopeRequired as exc:
            if not allow_stepup:
                self._billing_render_charge_error(state, exc)
                return
            if self._step_up_remote_spending(
                    explain=t("cli.subscription.stepup_explain"),
                    noninteractive_msg=f"  {t('cli.subscription.stepup_noninteractive')}",
                    declined_msg=f"  {t('cli.subscription.stepup_declined')}",
                    not_granted_msg=f"  {t('cli.subscription.stepup_not_granted')}"):
                self._billing_set_keep_going(state, turn_on, allow_stepup=False)
            return
        except BillingError as exc:
            self._billing_render_charge_error(state, exc)
            return
        print(f"  {t('cli.billing.keep_going_turned_on' if turn_on else 'cli.billing.keep_going_turned_off')}")
        from agent.credits_tracker import apply_keep_going_change
        apply_keep_going_change(getattr(self, "agent", None), turn_on)

    def _billing_auto_reload_disable(self, state):
        """PATCH ``enabled:false``; the endpoint still requires threshold/topUpAmount → echo current (or 0)."""
        ar = state.auto_reload
        thr = float(ar.threshold_usd) if ar and ar.threshold_usd is not None else 0.0
        rel = float(ar.reload_to_usd) if ar and ar.reload_to_usd is not None else 0.0
        if self._billing_patch_auto_top_up(state, enabled=False, threshold=thr, top_up_amount=rel):
            print(f"  {t('cli.billing.auto_reload_disabled')}")

    def _billing_limit_screen(self, state):
        """Screen 5 — monthly spend limit (read-only; cap is portal-only)."""
        from agent.billing_view import format_money
        self._block_header("💳", t("cli.billing.monthly_spend_limit"))
        cap = state.monthly_cap
        if cap is None or cap.limit_usd is None:
            self._dim(t("cli.billing.no_monthly_cap"))
        else:
            ceiling = t("cli.billing.default_ceiling_suffix") if cap.is_default_ceiling else ""
            print(f"  {t('cli.billing.used_this_month', spent=format_money(cap.spent_this_month_usd), limit=format_money(cap.limit_usd), ceiling=ceiling)}")
        self._dim(t("cli.billing.monthly_limit_read_only"))
        self._billing_portal_hint(state)
