tix-tracker 0.11.0

#[allow(clippy::wildcard_imports)]
use super::*;

impl App {
    /// The project ids a view's project scope resolves against.
    ///
    /// The TUI has no first-class project registry in this build — the same
    /// reason `commands::views::project_directory` returns nothing — so a
    /// project-scoped view is refused by the registry's own diagnostic rather
    /// than silently accepted. When the project registry lands, only this
    /// function changes.
    pub(in crate::app) fn view_projects() -> BTreeSet<String> {
        BTreeSet::new()
    }

    /// The repository-owned `tix.toml` a view mutation commits to.
    pub(in crate::app) fn view_config_path(&self) -> PathBuf {
        self.store
            .config_path()
            .unwrap_or_else(|_| PathBuf::from(".").join("tix.toml"))
    }

    /// The board configuration the **live** board is built from: the active
    /// board's, with the applied view's visibility snapshot overlaid while that
    /// overlay is on (T025).
    ///
    /// Overlaying rather than writing is what keeps "apply a view" read-only
    /// (C-005) while still honouring a plan's `hidden_columns`/`show_mismatch`.
    pub(in crate::app) fn board_config(&self) -> BoardConfiguration {
        match &self.view_session {
            Some(session) if session.visibility => session
                .marker
                .applied_plan()
                .effective_board(self.active_board_config()),
            _ => self.active_board_config().clone(),
        }
    }

    /// The stable id of the active saved view (WP05, T024), or `None` when no
    /// view is associated with the live board.
    ///
    /// Public because the **identity** is what a surface or a test asserts
    /// (C-002): the name is a label and renaming a view must not change what is
    /// active.
    pub fn active_view_id(&self) -> Option<&ViewId> {
        self.view_session
            .as_ref()
            .map(|session| session.marker.view_id())
    }

    /// The **live** normalized plan (C-006): the criteria in force, the text
    /// query (which carries the sort/group control tokens), and the visibility
    /// actually applied to the board.
    ///
    /// Visibility is set only when a view's snapshot is overlaid, which mirrors
    /// what the plan of a view that leaves visibility alone *means* ("inherit the
    /// live board") — so applying such a view reports `in sync` rather than a
    /// difference that is not one.
    pub fn live_plan(&self) -> ViewPlan {
        let mut plan = ViewPlan::from_parts(
            self.active_structured_filter().clone(),
            self.filter.as_deref().unwrap_or_default(),
        );
        if let Some(session) = &self.view_session
            && session.visibility
            && let Some(visibility) = session.marker.applied_plan().visibility()
        {
            plan = plan.with_visibility(visibility.clone());
        }
        plan
    }

    /// The plan a **create/update from live** saves: [`Self::live_plan`] plus the
    /// visibility the user is actually looking at.
    ///
    /// Unlike divergence (which asks "does the plan still describe the board?"),
    /// saving asks "what is on screen?", so an absent snapshot is captured as a
    /// real one: `hidden_columns` and `show_mismatch` as configured right now.
    pub fn capture_plan(&self) -> ViewPlan {
        let board = self.board_config();
        self.live_plan().with_visibility(ViewVisibility::new(
            board.hidden_columns.clone(),
            Some(board.show_mismatch),
        ))
    }

    /// The divergence of the live board from the **saved definition** of the
    /// active view, or `None` when no view is marked (T026).
    ///
    /// The three cases are the ones `ViewService::divergence` decides — a deleted
    /// view and an uninterpretable plan are explicit diagnostics, never a silent
    /// `in_sync` — derived here from the registry because rendering borrows
    /// `&App`. `tests/tui_state.rs` pins this report against the service's own
    /// for the same inputs, so the two cannot drift.
    pub fn view_divergence(&self) -> Option<ViewDivergence> {
        let session = self.view_session.as_ref()?;
        let live = self.live_plan();
        Some(
            match self.store.config.views.get(session.marker.view_id()) {
                None => ViewDivergence::deleted(session.marker.view_id(), &live),
                Some(view) => match ViewPlan::from_toml(&view.plan) {
                    Ok(saved) => session.marker.divergence(&saved, &live),
                    Err(refusal) => ViewDivergence::unreadable(
                        session.marker.view_id(),
                        &live,
                        refusal.diagnostics().to_vec(),
                    ),
                },
            },
        )
    }

    /// The board's active-view indicator row (T024), or `None` when no view is
    /// marked. The same string the filter modal and the views modal show, so the
    /// three surfaces cannot describe one state three ways.
    pub fn view_indicator(&self) -> Option<String> {
        let session = self.view_session.as_ref()?;
        Some(match self.view_divergence() {
            Some(divergence) => crate::ui::views::indicator_line(&session.name, &divergence),
            None => format!("view {} · (no comparison)", session.name),
        })
    }

    /// The rendered feedback for the **active** view (T026): its scope, its plan,
    /// the live-vs-saved divergence, and every diagnostic the registry reports for
    /// it.
    pub fn active_view_feedback(&self) -> Option<ViewFeedback> {
        let id = self.view_session.as_ref()?.marker.view_id().clone();
        Some(self.view_feedback_for(&id, true))
    }

    /// The rendered feedback for one stored view, by stable id (T026).
    ///
    /// Non-mutating by construction: every input is read from the registry or the
    /// live state, and the plan is only *parsed* — a malformed one is reported as
    /// its refusal rather than repaired.
    pub(in crate::app) fn view_feedback_for(&self, id: &ViewId, is_active: bool) -> ViewFeedback {
        let Some(view) = self.store.config.views.get(id) else {
            let diagnostic = ViewDiagnostic::new(
                crate::views::registry::ViewDiagnosticKind::UnknownView,
                format!("no saved view with id `{id}`"),
            );
            return ViewFeedback::new(
                format!("view {id} · unknown"),
                vec![crate::ui::views::diagnostic_line(&diagnostic)],
            );
        };
        let projects = Self::view_projects();
        let mut lines = vec![format!(
            "scope: {}",
            scope_summary(&view.scope, view.scope.resolution(&projects))
        )];
        match ViewPlan::from_toml(&view.plan) {
            Ok(plan) => {
                lines.push(crate::ui::views::plan_summary(&plan));
                // Unknown metadata at any plan level, then every field this
                // board/category vocabulary rejects — reported, never repaired
                // (NFR-002), and never silently applied (a refusal happens on
                // apply, where a menu must not explode).
                lines.extend(
                    plan.diagnostics()
                        .iter()
                        .map(crate::ui::views::diagnostic_line),
                );
                if let Err(refusal) = plan.validate(self.active_board_config(), &self.store.config)
                {
                    lines.extend(
                        refusal
                            .diagnostics()
                            .iter()
                            .map(crate::ui::views::diagnostic_line),
                    );
                }
            }
            Err(refusal) => lines.extend(
                refusal
                    .diagnostics()
                    .iter()
                    .map(crate::ui::views::diagnostic_line),
            ),
        }

        let divergence = if is_active {
            self.view_divergence()
        } else {
            None
        };
        let indicator = match &divergence {
            Some(divergence) => crate::ui::views::indicator_line(&view.name, divergence),
            None => format!("view {} · id {id}", view.name),
        };
        if let Some(divergence) = &divergence {
            if divergence.in_sync() {
                lines.push("live: in sync with the saved plan".to_string());
            } else {
                lines.push("live: diverged from the saved plan".to_string());
                lines.extend(crate::ui::views::difference_lines(divergence));
                lines.extend(
                    divergence
                        .diagnostics()
                        .iter()
                        .map(crate::ui::views::diagnostic_line),
                );
            }
        }
        // Scope conflicts, missing projects, and preserved unknown metadata are
        // reported for a record the registry already holds — reported, never
        // silently rewritten (NFR-002/C-003).
        lines.extend(
            self.store
                .config
                .views
                .diagnostics(&projects)
                .into_iter()
                .filter(|diagnostic| diagnostic.view_id() == Some(id))
                .map(|diagnostic| crate::ui::views::diagnostic_line(&diagnostic)),
        );

        ViewFeedback::new(indicator, lines)
    }

    /// Open the saved-views modal (`v`).
    pub(in crate::app) fn open_views(&mut self) {
        self.views = Some(ViewsModal::new(self.view_rows()));
        self.refresh_views_feedback();
        self.mode = Mode::Views;
    }

    /// One row per stored view, in registry order, with the active view marked.
    pub(crate) fn view_rows(&self) -> Vec<ViewRow> {
        let projects = Self::view_projects();
        let active = self
            .view_session
            .as_ref()
            .map(|session| session.marker.view_id().clone());
        self.store
            .config
            .views
            .iter()
            .map(|view| ViewRow {
                active: active.as_ref() == Some(&view.id),
                id: view.id.clone(),
                name: view.name.clone(),
                scope: scope_summary(&view.scope, view.scope.resolution(&projects)),
            })
            .collect()
    }

    /// Re-read the registry into the modal, keeping the cursor on the same
    /// **stable id** where it still exists — so a rename or a duplicate leaves the
    /// cursor where the user put it.
    pub(in crate::app) fn refresh_views_rows(&mut self) {
        let rows = self.view_rows();
        let Some(modal) = self.views.as_mut() else {
            return;
        };
        let previous = modal.selected_row().map(|row| row.id.clone());
        modal.rows = rows;
        if let Some(id) = previous
            && let Some(index) = modal.rows.iter().position(|row| row.id == id)
        {
            modal.selected = index;
        }
        modal.move_selected(0);
    }

    /// Recompute the feedback panel for the row under the cursor (T026).
    pub(in crate::app) fn refresh_views_feedback(&mut self) {
        let selected = self
            .views
            .as_ref()
            .and_then(|modal| modal.selected_row())
            .map(|row| (row.id.clone(), row.active));
        let feedback = selected.map(|(id, active)| self.view_feedback_for(&id, active));
        if let Some(modal) = self.views.as_mut() {
            modal.feedback = feedback;
        }
    }

    /// Record the outcome of one view operation on the modal's note line and the
    /// status bar, then re-read the registry.
    ///
    /// A **refusal** is a decision, not a crash: it is rendered through the
    /// registry's own refusal text and nothing is written (C-008). The note is
    /// shown on the modal rather than only in the status bar, because the status
    /// bar is one truncated row and a reason is worth reading.
    pub(in crate::app) fn note_view_outcome(&mut self, note: String) {
        if let Some(modal) = self.views.as_mut() {
            modal.note = Some(note.clone());
        }
        self.status_msg = Some(note);
    }

    /// The note for a refused or failed view write.
    pub(in crate::app) fn view_write_note(error: &ViewWriteError) -> String {
        match error {
            ViewWriteError::Refused(refusal) => refusal.render(),
            ViewWriteError::Failed(error) => error.to_string(),
        }
    }

    /// Apply the view under the cursor, or the one named by `id` (T025).
    pub(crate) fn apply_view(&mut self, reference: &str) -> Result<Action> {
        let path = self.view_config_path();
        let projects = Self::view_projects();
        let board_config = self.board_config();
        let resolution = self.workflow_resolution();
        // The service borrows `store.config` mutably (an accepted *mutation* is a
        // config change); `apply` only reads, and borrows the corpus and the
        // board. Disjoint fields, one scope.
        let outcome = {
            let service = ViewService::new(&mut self.store.config, &projects, &path);
            service.apply(reference, &board_config, &self.corpus, &resolution)
        };
        match outcome {
            Ok(result) => {
                let plan = result.plan().clone();
                let id = result.view_id().cloned();
                let name = id
                    .as_ref()
                    .and_then(|id| self.store.config.views.get(id))
                    .map_or_else(|| reference.to_string(), |view| view.name.clone());
                // The marker goes on **before** the rebuild: the live board must be
                // built with the applied plan's visibility overlay, and the
                // indicator/divergence the rebuild refreshes describe the state the
                // apply just installed.
                if let Some(id) = id {
                    self.view_session = Some(ViewSession {
                        visibility: plan.visibility().is_some(),
                        marker: ActiveViewMarker::new(id, plan.clone(), Some(ViewSurface::Tui)),
                        name: name.clone(),
                    });
                }
                self.install_live_plan(&plan);
                self.refresh_views_rows();
                self.refresh_views_feedback();
                self.sync_filter_modal_feedback();
                self.note_view_outcome(format!("Applied view '{name}'"));
            }
            Err(refusal) => {
                // Refused: nothing applied, no issue touched, the live filter
                // state left exactly as it was (C-005/C-008).
                self.sync_filter_modal_feedback();
                self.note_view_outcome(refusal.render());
            }
        }
        Ok(Action::None)
    }

    /// Install an applied plan into the **live** filter state through the
    /// existing query path (T025).
    ///
    /// The typed criteria become the committed structured filter, and the plan's
    /// query — free text plus its `sort:`/`group:` control tokens, re-spelled by
    /// the plan itself rather than here — is what `apply_filter` replays. So the
    /// board after an apply is the board the existing path builds, which is the
    /// same path (and the same result) the service used.
    pub(in crate::app) fn install_live_plan(&mut self, plan: &ViewPlan) {
        let selected = self
            .board
            .get_selected_card()
            .map(|card| card.filename.clone());
        self.structured = plan.filter().clone();
        let query = plan.effective_query();
        self.apply_filter(&query);
        // Keep the cursor on the card the user was standing on when that card
        // survives the new plan, exactly as a board switch does: an apply that
        // silently jumped the cursor to the first column would be a navigation
        // change the user did not ask for (T025).
        if let Some(filename) = selected {
            self.select_card_by_filename(&filename);
        }
    }

    /// Keep the filter modal's active-view indicator in step with live state
    /// (T026).
    ///
    /// Called from the single funnel every live change passes through
    /// ([`Self::rebuild_board`]), so the indicator inside the modal cannot
    /// describe a board the user has already changed.
    pub(in crate::app) fn sync_filter_modal_feedback(&mut self) {
        if self.filter_modal.is_none() {
            return;
        }
        let active = self
            .view_session
            .as_ref()
            .map(|session| session.marker.clone());
        let feedback = if active.is_some() {
            self.active_view_feedback()
        } else {
            None
        };
        if let Some(modal) = self.filter_modal.as_mut() {
            modal.set_active(active, feedback);
        }
    }

    /// Create a view from the live plan (T027).
    ///
    /// The scope is **explicit**: the TUI creates repository-scoped views. It has
    /// no project registry to scope against and no host identity to share with,
    /// and inventing either is an escalation trigger (C-003/C-009); project and
    /// user/share scopes are managed by `tix view share`.
    pub(in crate::app) fn create_view_from_live(&mut self, name: String) {
        let definition = ViewDefinition::new(name, ViewScope::repository(), self.capture_plan());
        let path = self.view_config_path();
        let projects = Self::view_projects();
        let outcome = {
            let mut service = ViewService::new(&mut self.store.config, &projects, &path);
            service.create(definition)
        };
        match outcome {
            Ok(outcome) => {
                let audit = outcome.audit().map(|event| event.view_name().to_string());
                let id = outcome.value().clone();
                self.refresh_views_rows();
                // Select the row just created, so the next action applies to what
                // the user just made rather than to whatever was under the cursor —
                // and close the prompt only now, so a refusal left the typed name
                // in place to be corrected.
                if let Some(modal) = self.views.as_mut() {
                    modal.clear_prompt();
                    if let Some(index) = modal.rows.iter().position(|row| row.id == id) {
                        modal.selected = index;
                    }
                }
                self.refresh_views_feedback();
                self.note_view_outcome(format!(
                    "Created {id}{}",
                    audit.map_or_else(String::new, |name| format!(" '{name}'"))
                ));
            }
            Err(error) => {
                let note = Self::view_write_note(&error);
                self.note_view_outcome(note);
            }
        }
    }

    /// Rename the view under the cursor (T027).
    ///
    /// `ViewService::update` replaces the whole definition, so the stored scope
    /// and plan are carried over from `show` — a rename can never drop either, and
    /// the stable id is untouched (C-002).
    pub(in crate::app) fn rename_view(&mut self, id: &ViewId, name: String) {
        let path = self.view_config_path();
        let projects = Self::view_projects();
        let outcome = {
            let mut service = ViewService::new(&mut self.store.config, &projects, &path);
            match service.show(id.as_str()) {
                Ok(detail) => {
                    let definition = ViewDefinition::new(
                        name,
                        detail.view().scope.clone(),
                        detail.plan().clone(),
                    );
                    service.update(id.as_str(), definition).map(|outcome| {
                        (
                            outcome.is_noop(),
                            outcome.value().clone(),
                            outcome.audit().map(|event| event.view_name().to_string()),
                        )
                    })
                }
                Err(refusal) => Err(ViewWriteError::Refused(refusal)),
            }
        };
        match outcome {
            Ok((noop, id, name)) => {
                if let Some(modal) = self.views.as_mut() {
                    modal.clear_prompt();
                }
                self.refresh_views_rows();
                self.refresh_views_feedback();
                let word = if noop { "Unchanged" } else { "Renamed" };
                self.note_view_outcome(format!(
                    "{word} {id}{}",
                    name.map_or_else(String::new, |name| format!(" '{name}'"))
                ));
            }
            Err(error) => {
                let note = Self::view_write_note(&error);
                self.note_view_outcome(note);
            }
        }
    }

    /// Replace the view under the cursor's plan with the live plan (T027) — the
    /// "save what I am looking at into this view" action, the counterpart of
    /// create.
    pub(in crate::app) fn update_view_from_live(&mut self, id: &ViewId) {
        let plan = self.capture_plan();
        let path = self.view_config_path();
        let projects = Self::view_projects();
        let outcome = {
            let mut service = ViewService::new(&mut self.store.config, &projects, &path);
            match service.show(id.as_str()) {
                Ok(detail) => {
                    let definition = ViewDefinition::new(
                        detail.view().name.clone(),
                        detail.view().scope.clone(),
                        plan,
                    );
                    service.update(id.as_str(), definition).map(|outcome| {
                        (
                            outcome.is_noop(),
                            outcome.value().clone(),
                            outcome.audit().map(|event| event.view_name().to_string()),
                        )
                    })
                }
                Err(refusal) => Err(ViewWriteError::Refused(refusal)),
            }
        };
        match outcome {
            Ok((noop, id, name)) => {
                self.refresh_views_rows();
                self.refresh_views_feedback();
                let word = if noop { "Unchanged" } else { "Updated" };
                self.note_view_outcome(format!(
                    "{word} {id}{}",
                    name.map_or_else(String::new, |name| format!(" '{name}'"))
                ));
            }
            Err(error) => {
                let note = Self::view_write_note(&error);
                self.note_view_outcome(note);
            }
        }
    }

    /// Duplicate the view under the cursor under a fresh stable id (T027).
    pub(in crate::app) fn duplicate_view(&mut self, id: &ViewId) {
        let path = self.view_config_path();
        let projects = Self::view_projects();
        let outcome = {
            let mut service = ViewService::new(&mut self.store.config, &projects, &path);
            service.duplicate(id.as_str(), None)
        };
        match outcome {
            Ok(outcome) => {
                let copy = outcome.value().clone();
                self.refresh_views_rows();
                if let Some(modal) = self.views.as_mut()
                    && let Some(index) = modal.rows.iter().position(|row| row.id == copy)
                {
                    modal.selected = index;
                }
                self.refresh_views_feedback();
                self.note_view_outcome(format!("Duplicated {id} -> {copy}"));
            }
            Err(error) => {
                let note = Self::view_write_note(&error);
                self.note_view_outcome(note);
            }
        }
    }

    /// Delete the view under the cursor's **definition**, after confirmation
    /// (T027/C-005).
    ///
    /// Only the definition goes: issues, comments, relationships, and the live
    /// filter state are all untouched. If the deleted view was the active one the
    /// marker is cleared — the association is gone with the definition — and the
    /// board says so, rather than silently keeping a marker that names nothing.
    pub(in crate::app) fn delete_view(&mut self, id: &ViewId) {
        let path = self.view_config_path();
        let projects = Self::view_projects();
        let outcome = {
            let mut service = ViewService::new(&mut self.store.config, &projects, &path);
            service.delete(id.as_str(), DeleteConfirmed::confirmed())
        };
        match outcome {
            Ok(outcome) => {
                let removed = outcome.value();
                let name = removed.view().name.clone();
                // The service built above is ephemeral (`active: None`), so its
                // `marker_cleared()` is always false; ask the App's own marker
                // instead, or a deleted active view leaves a dangling id.
                let cleared = self.active_view_id() == Some(id);
                if cleared {
                    self.view_session = None;
                }
                self.refresh_views_rows();
                self.refresh_views_feedback();
                self.sync_filter_modal_feedback();
                self.note_view_outcome(if cleared {
                    format!("Deleted '{name}' (definition only; active marker cleared)")
                } else {
                    format!("Deleted '{name}' (definition only)")
                });
            }
            Err(error) => {
                let note = Self::view_write_note(&error);
                self.note_view_outcome(note);
            }
        }
    }

    /// The saved-views modal's keys (WP05, T024–T027).
    ///
    /// Two layers, exactly as the settings modal has: an open prompt takes the key
    /// first, and the list has it otherwise. Every branch either moves a cursor
    /// that belongs to *this* modal, calls the shared service, or applies through
    /// [`Self::apply_view`]; nothing here writes an issue.
    #[allow(clippy::too_many_lines)]
    pub(in crate::app) fn handle_views_key(&mut self, key: KeyEvent) -> Result<Action> {
        if self.views.is_none() {
            self.mode = Mode::Board;
            return Ok(Action::None);
        }
        let prompt = self.views.as_ref().and_then(|modal| modal.prompt.clone());

        match prompt {
            Some(ViewsPrompt::Create(buffer)) => match key.code {
                KeyCode::Esc => {
                    if let Some(modal) = self.views.as_mut() {
                        modal.clear_prompt();
                    }
                }
                KeyCode::Enter => self.create_view_from_live(buffer),
                KeyCode::Backspace => {
                    if let Some(modal) = self.views.as_mut()
                        && let Some(ViewsPrompt::Create(buffer)) = modal.prompt.as_mut()
                    {
                        buffer.pop();
                    }
                }
                KeyCode::Char(c) => {
                    if let Some(modal) = self.views.as_mut()
                        && let Some(ViewsPrompt::Create(buffer)) = modal.prompt.as_mut()
                    {
                        buffer.push(c);
                    }
                }
                _ => {}
            },
            Some(ViewsPrompt::Rename { id, buffer }) => match key.code {
                KeyCode::Esc => {
                    if let Some(modal) = self.views.as_mut() {
                        modal.clear_prompt();
                    }
                }
                KeyCode::Enter => self.rename_view(&id, buffer),
                KeyCode::Backspace => {
                    if let Some(modal) = self.views.as_mut()
                        && let Some(ViewsPrompt::Rename { buffer, .. }) = modal.prompt.as_mut()
                    {
                        buffer.pop();
                    }
                }
                KeyCode::Char(c) => {
                    if let Some(modal) = self.views.as_mut()
                        && let Some(ViewsPrompt::Rename { buffer, .. }) = modal.prompt.as_mut()
                    {
                        buffer.push(c);
                    }
                }
                _ => {}
            },
            // The confirmation borrows the shared `ConfirmDelete` context, whose
            // canonical confirm key is `y` and whose cancel is `esc`.
            Some(ViewsPrompt::ConfirmDelete { id, .. }) => {
                if let Some(modal) = self.views.as_mut() {
                    modal.clear_prompt();
                }
                match key.code {
                    KeyCode::Char('y') => self.delete_view(&id),
                    KeyCode::Esc => self.refresh_views_feedback(),
                    _ => {}
                }
            }
            None => match key.code {
                KeyCode::Char('q') | KeyCode::Char('Q') | KeyCode::Esc => {
                    self.views = None;
                    self.mode = Mode::Board;
                }
                KeyCode::Up | KeyCode::Char('k') => {
                    if let Some(modal) = self.views.as_mut() {
                        modal.move_selected(-1);
                        // The note describes the last operation, not the row under
                        // the cursor: moving on retires it rather than letting it
                        // read as a fact about the newly selected view.
                        modal.note = None;
                    }
                    self.refresh_views_feedback();
                }
                KeyCode::Down | KeyCode::Char('j') => {
                    if let Some(modal) = self.views.as_mut() {
                        modal.move_selected(1);
                        modal.note = None;
                    }
                    self.refresh_views_feedback();
                }
                KeyCode::Enter => {
                    if let Some(id) = self
                        .views
                        .as_ref()
                        .and_then(|modal| modal.selected_row())
                        .map(|row| row.id.clone())
                    {
                        self.apply_view(id.as_str())?;
                    }
                }
                KeyCode::Char('n') => {
                    if let Some(modal) = self.views.as_mut() {
                        modal.note = None;
                        modal.prompt = Some(ViewsPrompt::Create(String::new()));
                    }
                }
                KeyCode::Char('e') => {
                    let selected = self
                        .views
                        .as_ref()
                        .and_then(|modal| modal.selected_row())
                        .map(|row| (row.id.clone(), row.name.clone()));
                    if let Some((id, name)) = selected
                        && let Some(modal) = self.views.as_mut()
                    {
                        modal.note = None;
                        modal.prompt = Some(ViewsPrompt::Rename { id, buffer: name });
                    }
                }
                KeyCode::Char('u') => {
                    let selected = self
                        .views
                        .as_ref()
                        .and_then(|modal| modal.selected_row())
                        .map(|row| row.id.clone());
                    if let Some(id) = selected {
                        self.update_view_from_live(&id);
                    }
                }
                KeyCode::Char('d') => {
                    let selected = self
                        .views
                        .as_ref()
                        .and_then(|modal| modal.selected_row())
                        .map(|row| row.id.clone());
                    if let Some(id) = selected {
                        self.duplicate_view(&id);
                    }
                }
                KeyCode::Char('x') | KeyCode::Char('X') => {
                    let selected = self
                        .views
                        .as_ref()
                        .and_then(|modal| modal.selected_row())
                        .map(|row| (row.id.clone(), row.name.clone()));
                    if let Some((id, name)) = selected
                        && let Some(modal) = self.views.as_mut()
                    {
                        modal.note = None;
                        modal.prompt = Some(ViewsPrompt::ConfirmDelete { id, name });
                    }
                }
                _ => {}
            },
        }
        Ok(Action::None)
    }

    /// The saved-views modal's pointer handling (WP05, T025).
    ///
    /// A left click on a row selects that row and runs the same Enter action the
    /// keyboard would — the D6 rule the settings modal's rows follow. The row
    /// geometry comes from the widget's own [`ViewsModal::row_hit_regions`], so the
    /// click cannot drift from what was drawn. Clicks land here rather than
    /// through a recorded region because the effect (an apply) belongs to this
    /// handler, exactly as card selection belongs to `handle_board_mouse`.
    pub(in crate::app) fn handle_views_mouse(&mut self, mouse: MouseEvent) -> Result<Action> {
        if !matches!(mouse.kind, MouseEventKind::Down(MouseButton::Left)) {
            return Ok(Action::None);
        }
        if self.views.as_ref().is_some_and(ViewsModal::is_prompting) {
            return Ok(Action::None);
        }
        let area = self.frame_size.get();
        let hit = self.views.as_ref().and_then(|modal| {
            modal
                .row_hit_regions(area)
                .into_iter()
                .find(|(rect, _)| rect.contains(Position::new(mouse.column, mouse.row)))
                .map(|(_, index)| index)
        });
        let Some(index) = hit else {
            return Ok(Action::None);
        };
        let selected = {
            let Some(modal) = self.views.as_mut() else {
                return Ok(Action::None);
            };
            modal.move_selected_to(index);
            modal.selected_row().map(|row| row.id.clone())
        };
        if let Some(id) = selected {
            self.apply_view(id.as_str())?;
        }
        Ok(Action::None)
    }
}