feat(views): add custom Linear views as sub-tab bar

linear.go

@@ -103,6 +103,12 @@ type Team struct {
 	Key  string `json:"key"`
 }
 
+type CustomView struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+	Icon string `json:"icon"`
+}
+
 func NewLinearClient(apiKey string) *LinearClient {
 	return &LinearClient{
 		apiKey: apiKey,
@@ -331,6 +337,62 @@ func (lc *LinearClient) GetIssues(teamID string, filter FilterMode, sort SortMod
 	return lc.fetchFilteredIssues("", "", map[string]any{"teamID": teamID}, filter, sort, after)
 }
 
+func (lc *LinearClient) GetCustomViews(teamID string) ([]CustomView, error) {
+	q := `
+		query($teamID: ID!) {
+			customViews(
+				filter: { team: { id: { eq: $teamID } } }
+				first: 50
+			) {
+				nodes { id name icon }
+			}
+		}`
+
+	var result struct {
+		CustomViews struct {
+			Nodes []CustomView `json:"nodes"`
+		} `json:"customViews"`
+	}
+
+	err := lc.queryWithVars(q, map[string]any{"teamID": teamID}, &result)
+	return result.CustomViews.Nodes, err
+}
+
+func (lc *LinearClient) GetCustomViewIssues(viewID string, after string) ([]Issue, PageInfo, error) {
+	afterClause := ""
+	afterVar := ""
+	if after != "" {
+		afterVar = ", $after: String"
+		afterClause = ", after: $after"
+	}
+	q := fmt.Sprintf(`
+		query($viewID: String!%s) {
+			customView(id: $viewID) {
+				issues(first: 50%s) {
+					nodes { %s }
+					pageInfo { hasNextPage endCursor }
+				}
+			}
+		}`, afterVar, afterClause, issueListFields)
+
+	vars := map[string]any{"viewID": viewID}
+	if after != "" {
+		vars["after"] = after
+	}
+
+	var result struct {
+		CustomView struct {
+			Issues struct {
+				Nodes    []Issue  `json:"nodes"`
+				PageInfo PageInfo `json:"pageInfo"`
+			} `json:"issues"`
+		} `json:"customView"`
+	}
+
+	err := lc.queryWithVars(q, vars, &result)
+	return result.CustomView.Issues.Nodes, result.CustomView.Issues.PageInfo, err
+}
+
 func (lc *LinearClient) AddComment(issueID, body string) error {
 	q := `
 		mutation($issueId: String!, $body: String!) {

model.go

@@ -139,6 +139,7 @@ func (m Model) Init() tea.Cmd {
 		m.fetchWorktrees(),
 		m.fetchViewer(),
 		m.fetchProjects(),
+		m.fetchCustomViews(),
 		m.detectBranchIssue(),
 	}
 	if m.useCmux {

model_commands.go

@@ -9,9 +9,24 @@ import (
 	tea "charm.land/bubbletea/v2"
 )
 
+func (m Model) fetchCustomViews() tea.Cmd {
+	return func() tea.Msg {
+		client := NewLinearClient(m.cfg.LinearAPIKey)
+		views, err := client.GetCustomViews(m.cfg.TeamID)
+		return customViewsLoadedMsg{views: views, err: err}
+	}
+}
+
 func (m Model) fetchIssues() tea.Cmd {
 	return func() tea.Msg {
 		client := NewLinearClient(m.cfg.LinearAPIKey)
+
+		if m.activeViewIdx > 0 && m.activeViewIdx-1 < len(m.customViews) {
+			viewID := m.customViews[m.activeViewIdx-1].ID
+			issues, _, err := client.GetCustomViewIssues(viewID, "")
+			return issuesLoadedMsg{issues: issues, err: err}
+		}
+
 		hasProject := m.projectFilter != nil
 		hasLabel := m.labelFilter != nil
 

model_list_actions.go

@@ -10,6 +10,31 @@ import (
 	tea "charm.land/bubbletea/v2"
 )
 
+func (m *Model) cycleViewRight() (tea.Model, tea.Cmd) {
+	if len(m.customViews) == 0 {
+		return m, nil
+	}
+	m.activeViewIdx = (m.activeViewIdx + 1) % (len(m.customViews) + 1)
+	m.updateListTitle()
+	m.loading = true
+	m.loadingLabel = "Loading..."
+	return m, tea.Batch(m.fetchIssues(), m.spinner.Tick)
+}
+
+func (m *Model) cycleViewLeft() (tea.Model, tea.Cmd) {
+	if len(m.customViews) == 0 {
+		return m, nil
+	}
+	m.activeViewIdx--
+	if m.activeViewIdx < 0 {
+		m.activeViewIdx = len(m.customViews)
+	}
+	m.updateListTitle()
+	m.loading = true
+	m.loadingLabel = "Loading..."
+	return m, tea.Batch(m.fetchIssues(), m.spinner.Tick)
+}
+
 func (m *Model) cycleFilter() (tea.Model, tea.Cmd) {
 	m.filter = m.filter.Next()
 	m.updateListTitle()

model_messages.go

@@ -124,3 +124,8 @@ type worktreeListLoadedMsg struct {
 	worktrees []Worktree
 	err       error
 }
+
+type customViewsLoadedMsg struct {
+	views []CustomView
+	err   error
+}

model_state.go

@@ -60,6 +60,8 @@ type teamState struct {
 	labelFilter    *string
 	labelName      string
 	listIndex      int
+	customViews    []CustomView
+	activeViewIdx  int
 }
 
 type Model struct {
@@ -124,6 +126,9 @@ type Model struct {
 	stateForm      *huh.Form
 	stateIssue     *Issue
 
+	customViews   []CustomView
+	activeViewIdx int // 0 = "All Issues", 1+ = custom view index
+
 	filterForm *huh.Form
 	sortForm   *huh.Form
 
@@ -277,19 +282,32 @@ func (m *Model) rebuildList() {
 	m.list.SetItems(items)
 }
 
+func (m Model) activeViewName() string {
+	if m.activeViewIdx > 0 && m.activeViewIdx-1 < len(m.customViews) {
+		return m.customViews[m.activeViewIdx-1].Name
+	}
+	return ""
+}
+
 func (m Model) buildStatusLine() string {
 	parts := []string{}
 	scope := m.cfg.TeamKey
-	if m.projectName != "" {
-		scope += " > " + m.projectName
-	}
-	if m.labelName != "" {
-		scope += " > label:" + m.labelName
+	if name := m.activeViewName(); name != "" {
+		scope += " > " + name
+	} else {
+		if m.projectName != "" {
+			scope += " > " + m.projectName
+		}
+		if m.labelName != "" {
+			scope += " > label:" + m.labelName
+		}
 	}
 	parts = append(parts, scope)
 	parts = append(parts, fmt.Sprintf("%d issues", len(m.issues)))
-	parts = append(parts, m.filter.String())
-	parts = append(parts, m.sortMode.String())
+	if m.activeViewIdx == 0 {
+		parts = append(parts, m.filter.String())
+		parts = append(parts, m.sortMode.String())
+	}
 	if m.useCmux && m.paneManager != nil {
 		parts = append(parts, fmt.Sprintf("slots: %d/%d", m.paneManager.ActiveCount(), m.cfg.MaxSlots))
 	}
@@ -301,13 +319,17 @@ func (m *Model) updateListTitle() {
 	if len(m.cfg.Teams) <= 1 {
 		parts = append(parts, m.cfg.TeamKey)
 	}
-	if m.projectName != "" {
-		parts = append(parts, m.projectName)
-	}
-	if m.labelName != "" {
-		parts = append(parts, "label:"+m.labelName)
+	if name := m.activeViewName(); name != "" {
+		parts = append(parts, "["+name+"]")
+	} else {
+		if m.projectName != "" {
+			parts = append(parts, m.projectName)
+		}
+		if m.labelName != "" {
+			parts = append(parts, "label:"+m.labelName)
+		}
+		parts = append(parts, "["+m.filter.String()+"]")
 	}
-	parts = append(parts, "["+m.filter.String()+"]")
 	m.list.Title = strings.Join(parts, " > ")
 	if m.list.Title == "" {
 		m.list.Title = "Issues"
@@ -326,6 +348,8 @@ func (m *Model) saveTeamState() {
 	copy(labels, m.labels)
 	states := make([]WorkflowState, len(m.workflowStates))
 	copy(states, m.workflowStates)
+	views := make([]CustomView, len(m.customViews))
+	copy(views, m.customViews)
 	m.teamCache[m.cfg.TeamKey] = &teamState{
 		issues:         issues,
 		projects:       projects,
@@ -337,6 +361,8 @@ func (m *Model) saveTeamState() {
 		labelFilter:    m.labelFilter,
 		labelName:      m.labelName,
 		listIndex:      m.list.Index(),
+		customViews:    views,
+		activeViewIdx:  m.activeViewIdx,
 	}
 }
 
@@ -354,6 +380,8 @@ func (m *Model) restoreTeamState() bool {
 	m.projectName = ts.projectName
 	m.labelFilter = ts.labelFilter
 	m.labelName = ts.labelName
+	m.customViews = ts.customViews
+	m.activeViewIdx = ts.activeViewIdx
 	m.rebuildList()
 	m.list.Select(ts.listIndex)
 	m.updateListTitle()
@@ -378,6 +406,8 @@ func (m *Model) flushTeamState() {
 	m.stateIssue = nil
 	m.stateForm = nil
 	m.filter = FilterAssigned
+	m.activeViewIdx = 0
+	m.customViews = nil
 	m.view = viewList
 	m.list.SetItems(nil)
 	m.updateListTitle()

model_update.go

@@ -24,6 +24,9 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		if len(m.cfg.Teams) > 1 {
 			listHeight -= 2
 		}
+		if len(m.customViews) > 0 {
+			listHeight -= 2
+		}
 		m.list.SetSize(msg.Width-2, listHeight)
 		m.linkList.SetSize(msg.Width-4, msg.Height-4)
 		m.worktreeList.SetSize(msg.Width-4, msg.Height-4)
@@ -265,6 +268,12 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		}
 		return m, nil
 
+	case customViewsLoadedMsg:
+		if msg.err == nil {
+			m.customViews = msg.views
+		}
+		return m, nil
+
 	case teamSwitchedMsg:
 		if msg.err != nil {
 			m.statusMsg = fmt.Sprintf("Team switch error: %v", msg.err)
@@ -279,7 +288,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		}
 		m.loading = true
 		m.loadingLabel = fmt.Sprintf("Loading %s...", m.cfg.TeamKey)
-		return m, tea.Batch(m.fetchIssues(), m.fetchProjects(), m.fetchWorkflowStates(), m.spinner.Tick)
+		return m, tea.Batch(m.fetchIssues(), m.fetchProjects(), m.fetchWorkflowStates(), m.fetchCustomViews(), m.spinner.Tick)
 
 	case setupCompleteMsg:
 		m.cfg = msg.cfg
@@ -290,7 +299,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.keys.TeamSwitch.SetEnabled(len(m.cfg.Teams) > 1)
 		m.updateListTitle()
 		m.recreatePaneManagerIfNeeded()
-		cmds := []tea.Cmd{m.fetchIssues(), m.fetchWorktrees(), m.fetchViewer(), m.fetchProjects()}
+		cmds := []tea.Cmd{m.fetchIssues(), m.fetchWorktrees(), m.fetchViewer(), m.fetchProjects(), m.fetchCustomViews()}
 		if m.useCmux {
 			cmds = append(cmds, m.startStatusPoll())
 		}
@@ -481,10 +490,24 @@ func (m *Model) updateList(msg tea.KeyPressMsg) (tea.Model, tea.Cmd) {
 		}
 		return m, nil
 
+	case key.Matches(msg, key.NewBinding(key.WithKeys("]"))):
+		return m.cycleViewRight()
+
+	case key.Matches(msg, key.NewBinding(key.WithKeys("["))):
+		return m.cycleViewLeft()
+
 	case key.Matches(msg, key.NewBinding(key.WithKeys("tab"))):
+		if m.activeViewIdx > 0 {
+			m.statusMsg = "Switch to All Issues first ([/])"
+			return m, nil
+		}
 		return m.cycleFilter()
 
 	case key.Matches(msg, key.NewBinding(key.WithKeys("f"))):
+		if m.activeViewIdx > 0 {
+			m.statusMsg = "Switch to All Issues first ([/])"
+			return m, nil
+		}
 		return m, m.showFilterPicker()
 
 	case key.Matches(msg, key.NewBinding(key.WithKeys("r"))):
@@ -529,12 +552,24 @@ func (m *Model) updateList(msg tea.KeyPressMsg) (tea.Model, tea.Cmd) {
 		return m, m.buildSettingsForm()
 
 	case key.Matches(msg, key.NewBinding(key.WithKeys("o"))):
+		if m.activeViewIdx > 0 {
+			m.statusMsg = "Switch to All Issues first ([/])"
+			return m, nil
+		}
 		return m, m.showSortPicker()
 
 	case key.Matches(msg, key.NewBinding(key.WithKeys("p"))):
+		if m.activeViewIdx > 0 {
+			m.statusMsg = "Switch to All Issues first ([/])"
+			return m, nil
+		}
 		return m, m.showProjectPicker()
 
 	case key.Matches(msg, key.NewBinding(key.WithKeys("L"))):
+		if m.activeViewIdx > 0 {
+			m.statusMsg = "Switch to All Issues first ([/])"
+			return m, nil
+		}
 		return m, m.showLabelPicker()
 
 	case key.Matches(msg, key.NewBinding(key.WithKeys("?"))):