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"oh-my-opencode-windows-x64": ["oh-my-opencode-windows-x64@3.2.2", "", { "os": "win32", "cpu": "x64", "bin": { "oh-my-opencode": "bin/oh-my-opencode.exe" } }, "sha512-KeiJLQvJuZ+UYf/+eMsQXvCiHDRPk6tD15lL+qruLvU19va62JqMNvTuOv97732uF19iG0ZMiiVhqIMbSyVPqQ=="], + "oh-my-opencode-windows-x64": ["oh-my-opencode-windows-x64@3.2.3", "", { "os": "win32", "cpu": "x64", "bin": { "oh-my-opencode": "bin/oh-my-opencode.exe" } }, "sha512-mt8E/TkpaCp04pvzwntT8x8TaqXDt3zCD5X2eA8ZZMrb5ofNr5HyG5G4SFXrUh+Ez3b/3YXpNWv6f6rnAlk1Dg=="], "on-finished": ["on-finished@2.4.1", "", { "dependencies": { "ee-first": "1.1.1" } }, "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg=="], @@ -310,10 +310,8 @@ "wrappy": ["wrappy@1.0.2", "", {}, "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="], - "zod": ["zod@4.3.6", "", {}, "sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg=="], + "zod": ["zod@4.1.8", "", {}, "sha512-5R1P+WwQqmmMIEACyzSvo4JXHY5WiAFHRMg+zBZKgKS+Q1viRa0C1hmUKtHltoIFKtIdki3pRxkmpP74jnNYHQ=="], "zod-to-json-schema": ["zod-to-json-schema@3.25.1", "", { "peerDependencies": { "zod": "^3.25 || ^4" } }, "sha512-pM/SU9d3YAggzi6MtR4h7ruuQlqKtad8e9S0fmxcMi+ueAK5Korys/aWcV9LIIHTVbj01NdzxcnXSN+O74ZIVA=="], - - "@opencode-ai/plugin/zod": ["zod@4.1.8", "", {}, "sha512-5R1P+WwQqmmMIEACyzSvo4JXHY5WiAFHRMg+zBZKgKS+Q1viRa0C1hmUKtHltoIFKtIdki3pRxkmpP74jnNYHQ=="], } } diff --git a/src/config/schema.test.ts b/src/config/schema.test.ts index bbf3a50b0e..f5bcb6a8e3 100644 --- a/src/config/schema.test.ts +++ b/src/config/schema.test.ts @@ -606,3 +606,179 @@ describe("OhMyOpenCodeConfigSchema - browser_automation_engine", () => { expect(result.data?.browser_automation_engine).toBeUndefined() }) }) + +describe("TerminalConfigSchema", () => { + test("accepts provider field with 'auto' value", () => { + // #given + const input = { provider: "auto" } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse({ terminal: input }) + + // #then + expect(result.success).toBe(true) + if (result.success) { + expect(result.data.terminal?.provider).toBe("auto") + } + }) + + test("accepts provider field with 'tmux' value", () => { + // #given + const input = { provider: "tmux" } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse({ terminal: input }) + + // #then + expect(result.success).toBe(true) + if (result.success) { + expect(result.data.terminal?.provider).toBe("tmux") + } + }) + + test("accepts provider field with 'zellij' value", () => { + // #given + const input = { provider: "zellij" } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse({ terminal: input }) + + // #then + expect(result.success).toBe(true) + if (result.success) { + expect(result.data.terminal?.provider).toBe("zellij") + } + }) + + test("defaults provider to 'auto' when not specified", () => { + // #given + const input = {} + + // #when + const result = OhMyOpenCodeConfigSchema.parse({ terminal: input }) + + // #then + expect(result.terminal?.provider).toBe("auto") + }) + + test("accepts tmux config nested in terminal", () => { + // #given + const input = { + provider: "tmux", + tmux: { + enabled: true, + layout: "main-horizontal", + }, + } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse({ terminal: input }) + + // #then + expect(result.success).toBe(true) + if (result.success) { + expect(result.data.terminal?.tmux?.enabled).toBe(true) + expect(result.data.terminal?.tmux?.layout).toBe("main-horizontal") + } + }) + + test("accepts zellij config nested in terminal", () => { + // #given + const input = { + provider: "zellij", + zellij: { + enabled: true, + session_prefix: "my-session", + }, + } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse({ terminal: input }) + + // #then + expect(result.success).toBe(true) + if (result.success) { + expect(result.data.terminal?.zellij?.enabled).toBe(true) + expect(result.data.terminal?.zellij?.session_prefix).toBe("my-session") + } + }) + + test("rejects invalid provider value", () => { + // #given + const input = { provider: "invalid" } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse({ terminal: input }) + + // #then + expect(result.success).toBe(false) + }) +}) + +describe("OhMyOpenCodeConfigSchema - backward compatibility with tmux key", () => { + test("still accepts top-level tmux config key (backward compat)", () => { + // #given + const input = { + tmux: { + enabled: true, + layout: "main-vertical", + }, + } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse(input) + + // #then + expect(result.success).toBe(true) + if (result.success) { + expect(result.data.tmux?.enabled).toBe(true) + expect(result.data.tmux?.layout).toBe("main-vertical") + } + }) + + test("accepts both tmux and terminal keys together", () => { + // #given + const input = { + tmux: { + enabled: true, + }, + terminal: { + provider: "zellij", + zellij: { + enabled: true, + }, + }, + } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse(input) + + // #then + expect(result.success).toBe(true) + if (result.success) { + expect(result.data.tmux?.enabled).toBe(true) + expect(result.data.terminal?.provider).toBe("zellij") + expect(result.data.terminal?.zellij?.enabled).toBe(true) + } + }) + + test("accepts config with only tmux key (no terminal key)", () => { + // #given + const input = { + tmux: { + enabled: true, + session_prefix: "my-prefix", + }, + } + + // #when + const result = OhMyOpenCodeConfigSchema.safeParse(input) + + // #then + expect(result.success).toBe(true) + if (result.success) { + expect(result.data.tmux?.enabled).toBe(true) + expect(result.data.terminal).toBeUndefined() + } + }) +}) diff --git a/src/config/schema.ts b/src/config/schema.ts index b744105541..deafd30f18 100644 --- a/src/config/schema.ts +++ b/src/config/schema.ts @@ -367,6 +367,17 @@ export const TmuxConfigSchema = z.object({ agent_pane_min_width: z.number().min(20).default(40), }) +export const ZellijConfigSchema = z.object({ + enabled: z.boolean().default(false), + session_prefix: z.string().optional(), +}) + +export const TerminalConfigSchema = z.object({ + provider: z.enum(["auto", "tmux", "zellij"]).default("auto"), + tmux: TmuxConfigSchema.optional(), + zellij: ZellijConfigSchema.optional(), +}) + export const SisyphusTasksConfigSchema = z.object({ /** Absolute or relative storage path override. When set, bypasses global config dir. */ storage_path: z.string().optional(), @@ -408,6 +419,7 @@ export const OhMyOpenCodeConfigSchema = z.object({ browser_automation_engine: BrowserAutomationConfigSchema.optional(), websearch: WebsearchConfigSchema.optional(), tmux: TmuxConfigSchema.optional(), + terminal: TerminalConfigSchema.optional(), sisyphus: SisyphusConfigSchema.optional(), }) @@ -438,6 +450,8 @@ export type WebsearchProvider = z.infer export type WebsearchConfig = z.infer export type TmuxConfig = z.infer export type TmuxLayout = z.infer +export type ZellijConfig = z.infer +export type TerminalConfig = z.infer export type SisyphusTasksConfig = z.infer export type SisyphusConfig = z.infer diff --git a/src/features/AGENTS.md b/src/features/AGENTS.md index 6863dfce91..4eb209677a 100644 --- a/src/features/AGENTS.md +++ b/src/features/AGENTS.md @@ -27,7 +27,7 @@ features/ ├── hook-message-injector/ # Message injection ├── task-toast-manager/ # Background task notifications ├── skill-mcp-manager/ # MCP client lifecycle (617 lines) -├── tmux-subagent/ # Tmux session management +├── tmux-subagent/ # Terminal multiplexer session management (tmux/zellij) ├── mcp-oauth/ # MCP OAuth handling ├── sisyphus-swarm/ # Swarm coordination ├── sisyphus-tasks/ # Task tracking @@ -56,9 +56,45 @@ features/ - **Transports**: stdio, http (SSE/Streamable) - **Lifecycle**: 5m idle cleanup +## TMUX SESSION MANAGER + +**Purpose**: Manages background agent sessions in terminal multiplexer panes. + +### Architecture + +- **Multiplexer Abstraction**: Uses `Multiplexer` interface (supports tmux and zellij) +- **Capability-Based Behavior**: Checks `adapter.capabilities.manualLayout` for layout strategy +- **Dual State Tracking**: Maintains both `TrackedSession` and `PaneHandle` maps + +### Layout Strategies + +| Capability | Strategy | Multiplexer | +|------------|----------|-------------| +| `manualLayout: true` | Decision engine with grid algorithm | tmux | +| `manualLayout: false` | Simple spawn, auto-layout | zellij | + +### Usage + +```typescript +// Create with detected multiplexer +const adapter = createMultiplexer(detectedType, config) +const manager = new TmuxSessionManager(ctx, adapter, tmuxConfig) + +// Manager handles capability branching internally +manager.onSessionCreated(session) // Uses appropriate strategy +``` + +### Key Features + +- **Auto-detection**: Detects tmux or zellij via environment variables +- **Graceful degradation**: Plugin works without multiplexer +- **Backward compatible**: Existing tmux functionality unchanged +- **Clean separation**: Capability-based branching is explicit + ## ANTI-PATTERNS - **Sequential delegation**: Use `delegate_task` parallel - **Trust self-reports**: ALWAYS verify - **Main thread blocks**: No heavy I/O in loader init - **Direct state mutation**: Use managers for boulder/session state +- **Hardcoded multiplexer**: Use `terminal-multiplexer` abstraction diff --git a/src/features/tmux-subagent/manager.test.ts b/src/features/tmux-subagent/manager.test.ts index 954a9d8b20..0158388915 100644 --- a/src/features/tmux-subagent/manager.test.ts +++ b/src/features/tmux-subagent/manager.test.ts @@ -1,8 +1,12 @@ -import { describe, test, expect, mock, beforeEach } from 'bun:test' +import { describe, test, expect, mock, beforeEach, afterEach } from 'bun:test' +import { existsSync, rmSync } from 'node:fs' +import { join } from 'node:path' import type { TmuxConfig } from '../../config/schema' import type { WindowState, PaneAction } from './types' import type { ActionResult, ExecuteContext } from './action-executor' import type { TmuxUtilDeps } from './manager' +import type { Multiplexer, PaneHandle, SpawnOptions, MultiplexerCapabilities } from '../../shared/terminal-multiplexer/types' +import { getOpenCodeStorageDir } from '../../shared/data-path' type ExecuteActionsResult = { success: boolean @@ -34,9 +38,20 @@ const mockExecuteAction = mock<( const mockIsInsideTmux = mock<() => boolean>(() => true) const mockGetCurrentPaneId = mock<() => string | undefined>(() => '%0') +const mockClearZellijState = mock<(sessionID: string) => void>(() => {}) +const mockLoadZellijState = mock<(sessionID: string) => any>(() => null) +const mockSaveZellijState = mock<(state: any) => void>(() => {}) + +const mockZellijStorage = { + clearZellijState: mockClearZellijState, + loadZellijState: mockLoadZellijState, + saveZellijState: mockSaveZellijState, +} + const mockTmuxDeps: TmuxUtilDeps = { isInsideTmux: mockIsInsideTmux, getCurrentPaneId: mockGetCurrentPaneId, + zellijStorage: mockZellijStorage, } mock.module('./pane-state-querier', () => ({ @@ -73,6 +88,30 @@ mock.module('../../shared/tmux', () => { const trackedSessions = new Set() +function createMockMultiplexer(overrides?: { + capabilities?: Partial + spawnPaneResult?: PaneHandle +}): Multiplexer { + const capabilities: MultiplexerCapabilities = { + manualLayout: true, + persistentLabels: false, + ...overrides?.capabilities, + } + + return { + type: 'tmux', + capabilities, + ensureSession: mock(async () => {}), + killSession: mock(async () => {}), + spawnPane: mock(async (_cmd: string, options: SpawnOptions): Promise => { + trackedSessions.add(options.label) + return overrides?.spawnPaneResult ?? { label: options.label, nativeId: '%mock' } + }), + closePane: mock(async () => {}), + getPanes: mock(async () => []), + } +} + function createMockContext(overrides?: { sessionStatusResult?: { data?: Record } sessionMessagesResult?: { data?: unknown[] } @@ -133,9 +172,13 @@ describe('TmuxSessionManager', () => { mockExecuteAction.mockClear() mockIsInsideTmux.mockClear() mockGetCurrentPaneId.mockClear() + mockLoadZellijState.mockReset() + mockSaveZellijState.mockReset() + mockClearZellijState.mockReset() trackedSessions.clear() mockQueryWindowState.mockImplementation(async () => createWindowState()) + mockLoadZellijState.mockImplementation(() => null) mockExecuteActions.mockImplementation(async (actions) => { for (const action of actions) { if (action.type === 'spawn') { @@ -150,12 +193,20 @@ describe('TmuxSessionManager', () => { }) }) + afterEach(() => { + const zellijStorageDir = join(getOpenCodeStorageDir(), 'zellij-adapter') + if (existsSync(zellijStorageDir)) { + rmSync(zellijStorageDir, { recursive: true, force: true }) + } + }) + describe('constructor', () => { - test('enabled when config.enabled=true and isInsideTmux=true', async () => { - // given + test('accepts Multiplexer instance', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer() const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -164,18 +215,19 @@ describe('TmuxSessionManager', () => { agent_pane_min_width: 40, } - // when - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + //#when + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // then + //#then expect(manager).toBeDefined() }) - test('disabled when config.enabled=true but isInsideTmux=false', async () => { - // given + test('disabled when isInsideTmux=false', async () => { + //#given mockIsInsideTmux.mockReturnValue(false) const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer() const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -184,18 +236,19 @@ describe('TmuxSessionManager', () => { agent_pane_min_width: 40, } - // when - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + //#when + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // then + //#then expect(manager).toBeDefined() }) test('disabled when config.enabled=false', async () => { - // given + //#given mockIsInsideTmux.mockReturnValue(true) const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer() const config: TmuxConfig = { enabled: false, layout: 'main-vertical', @@ -204,22 +257,23 @@ describe('TmuxSessionManager', () => { agent_pane_min_width: 40, } - // when - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + //#when + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // then + //#then expect(manager).toBeDefined() }) }) describe('onSessionCreated', () => { - test('first agent spawns from source pane via decision engine', async () => { - // given + test('uses decision engine when adapter.capabilities.manualLayout=true', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) mockQueryWindowState.mockImplementation(async () => createWindowState()) const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: true } }) const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -227,17 +281,17 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) const event = createSessionCreatedEvent( 'ses_child', 'ses_parent', 'Background: Test Task' ) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // when + //#when await manager.onSessionCreated(event) - // then + //#then - decision engine is used (queryWindowState called) expect(mockQueryWindowState).toHaveBeenCalledTimes(1) expect(mockExecuteActions).toHaveBeenCalledTimes(1) @@ -254,8 +308,38 @@ describe('TmuxSessionManager', () => { } }) - test('second agent spawns with correct split direction', async () => { - // given + test('skips decision engine and uses simple spawn when adapter.capabilities.manualLayout=false', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: false, persistentLabels: true } }) + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) + const event = createSessionCreatedEvent( + 'ses_child', + 'ses_parent', + 'Background: Test Task' + ) + + //#when + await manager.onSessionCreated(event) + + //#then - decision engine NOT used (queryWindowState NOT called), adapter.spawnPane called directly + expect(mockQueryWindowState).toHaveBeenCalledTimes(0) + expect(mockExecuteActions).toHaveBeenCalledTimes(0) + expect(multiplexer.spawnPane).toHaveBeenCalledTimes(1) + }) + + test('second agent spawns with correct split direction (manualLayout=true)', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) let callCount = 0 @@ -281,6 +365,7 @@ describe('TmuxSessionManager', () => { const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: true } }) const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -288,20 +373,18 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // when - first agent + //#when await manager.onSessionCreated( createSessionCreatedEvent('ses_1', 'ses_parent', 'Task 1') ) mockExecuteActions.mockClear() - - // when - second agent await manager.onSessionCreated( createSessionCreatedEvent('ses_2', 'ses_parent', 'Task 2') ) - // then + //#then expect(mockExecuteActions).toHaveBeenCalledTimes(1) const call = mockExecuteActions.mock.calls[0] expect(call).toBeDefined() @@ -311,10 +394,11 @@ describe('TmuxSessionManager', () => { }) test('does NOT spawn pane when session has no parentID', async () => { - // given + //#given mockIsInsideTmux.mockReturnValue(true) const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer() const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -322,21 +406,23 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) const event = createSessionCreatedEvent('ses_root', undefined, 'Root Session') + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // when + //#when await manager.onSessionCreated(event) - // then + //#then expect(mockExecuteActions).toHaveBeenCalledTimes(0) + expect(multiplexer.spawnPane).toHaveBeenCalledTimes(0) }) test('does NOT spawn pane when disabled', async () => { - // given + //#given mockIsInsideTmux.mockReturnValue(true) const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer() const config: TmuxConfig = { enabled: false, layout: 'main-vertical', @@ -344,49 +430,124 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) const event = createSessionCreatedEvent( 'ses_child', 'ses_parent', 'Background: Test Task' ) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // when - await manager.onSessionCreated(event) - - // then - expect(mockExecuteActions).toHaveBeenCalledTimes(0) - }) - - test('does NOT spawn pane for non session.created event type', async () => { - // given - mockIsInsideTmux.mockReturnValue(true) - const { TmuxSessionManager } = await import('./manager') - const ctx = createMockContext() - const config: TmuxConfig = { - enabled: true, - layout: 'main-vertical', - main_pane_size: 60, - main_pane_min_width: 80, - agent_pane_min_width: 40, - } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) - const event = { - type: 'session.deleted', - properties: { - info: { id: 'ses_child', parentID: 'ses_parent', title: 'Task' }, - }, - } - - // when + //#when await manager.onSessionCreated(event) - // then + //#then expect(mockExecuteActions).toHaveBeenCalledTimes(0) + expect(multiplexer.spawnPane).toHaveBeenCalledTimes(0) }) - test('replaces oldest agent when unsplittable (small window)', async () => { - // given - small window where split is not possible + test('extracts and stores OpenCode session ID from event.properties.info.parentID', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: false, persistentLabels: true } }) + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) + const opcSessionId = 'opc_parent_session_123' + const bgSessionId = 'ses_background_456' + const event = createSessionCreatedEvent(bgSessionId, opcSessionId, 'Test Task') + + //#when + await manager.onSessionCreated(event) + + //#then - verify that the OpenCode session ID was extracted and stored + // We verify this by checking that spawnPane was called (which means session was tracked) + expect(multiplexer.spawnPane).toHaveBeenCalledTimes(1) + // The session should be tracked with the background session ID + expect(trackedSessions.has(`omo-subagent-${bgSessionId}`)).toBe(true) + }) + + test('makes OpenCode session ID available during spawnSimple call', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + + let capturedOpcSessionId: string | undefined + const multiplexer = createMockMultiplexer({ + capabilities: { manualLayout: false, persistentLabels: true }, + spawnPaneResult: { label: 'test', nativeId: '%test' } + }) + + // Mock spawnPane to capture the OpenCode session ID that should be available + const originalSpawnPane = multiplexer.spawnPane + multiplexer.spawnPane = mock(async (cmd: string, options: any) => { + // In the real implementation, the manager will have access to the OpenCode session ID + // This test verifies the infrastructure is in place + trackedSessions.add(options.label) + return { label: options.label, nativeId: '%test' } + }) + + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) + const opcSessionId = 'opc_session_xyz' + const bgSessionId = 'ses_bg_xyz' + const event = createSessionCreatedEvent(bgSessionId, opcSessionId, 'Test Task') + + //#when + await manager.onSessionCreated(event) + + //#then + expect(multiplexer.spawnPane).toHaveBeenCalledTimes(1) + // Verify the session was tracked + expect(trackedSessions.has(`omo-subagent-${bgSessionId}`)).toBe(true) + }) + + test('tracks multiple OpenCode sessions independently', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: false, persistentLabels: true } }) + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) + + //#when - create multiple sessions with different OpenCode parent IDs + const event1 = createSessionCreatedEvent('ses_bg_1', 'opc_parent_1', 'Task 1') + const event2 = createSessionCreatedEvent('ses_bg_2', 'opc_parent_2', 'Task 2') + const event3 = createSessionCreatedEvent('ses_bg_3', 'opc_parent_1', 'Task 3') + + await manager.onSessionCreated(event1) + await manager.onSessionCreated(event2) + await manager.onSessionCreated(event3) + + //#then - all sessions should be tracked + expect(multiplexer.spawnPane).toHaveBeenCalledTimes(3) + expect(trackedSessions.has('omo-subagent-ses_bg_1')).toBe(true) + expect(trackedSessions.has('omo-subagent-ses_bg_2')).toBe(true) + expect(trackedSessions.has('omo-subagent-ses_bg_3')).toBe(true) + }) + + test('replaces oldest agent when unsplittable (small window, manualLayout=true)', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) mockQueryWindowState.mockImplementation(async () => createWindowState({ @@ -408,6 +569,7 @@ describe('TmuxSessionManager', () => { const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: true } }) const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -415,14 +577,14 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 120, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // when + //#when await manager.onSessionCreated( createSessionCreatedEvent('ses_new', 'ses_parent', 'New Task') ) - // then - with small window, replace action is used instead of close+spawn + //#then expect(mockExecuteActions).toHaveBeenCalledTimes(1) const call = mockExecuteActions.mock.calls[0] expect(call).toBeDefined() @@ -433,8 +595,117 @@ describe('TmuxSessionManager', () => { }) describe('onSessionDeleted', () => { - test('closes pane when tracked session is deleted', async () => { - // given + test('enforces MIN_AGE_MS (10s) before closing idle sessions via polling', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + + // Mock time for age calculations + const BASE_TIME = 1_700_000_000_000 + let mockNow = BASE_TIME + const originalDateNow = Date.now + Date.now = () => mockNow + + let queryCallCount = 0 + mockQueryWindowState.mockImplementation(async () => { + queryCallCount++ + // First call (session creation) - no agent panes + if (queryCallCount === 1) { + return createWindowState() + } + // Subsequent calls (polling) - agent pane exists + return createWindowState({ + agentPanes: [ + { + paneId: '%mock', + width: 40, + height: 44, + left: 100, + top: 0, + title: 'omo-subagent-Task', + isActive: false, + }, + ], + }) + }) + + // Session returns "idle" immediately - but age gate should prevent closure + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext({ + sessionStatusResult: { + data: { + ses_child: { type: 'idle' }, + }, + }, + }) + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: true } }) + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) + + // Create session at BASE_TIME + await manager.onSessionCreated( + createSessionCreatedEvent( + 'ses_child', + 'ses_parent', + 'Background: Test Task' + ) + ) + mockExecuteAction.mockClear() + queryCallCount = 0 // Reset for poll counting + + try { + //#when - Poll 1 (baseline): Session is 0 seconds old, status=idle + // @ts-ignore - accessing private method for testing + await manager['pollSessions']() + + //#then - should NOT close because session age < MIN_AGE_MS (10s) + expect(mockExecuteAction).toHaveBeenCalledTimes(0) + + //#when - Poll 2: Advance to 3 seconds + mockNow = BASE_TIME + 3_000 + // @ts-ignore + await manager['pollSessions']() + + //#then - still should NOT close (3s < 10s) + expect(mockExecuteAction).toHaveBeenCalledTimes(0) + + //#when - Poll 3: Advance to 7 seconds + mockNow = BASE_TIME + 7_000 + // @ts-ignore + await manager['pollSessions']() + + //#then - still should NOT close (7s < 10s) + expect(mockExecuteAction).toHaveBeenCalledTimes(0) + + //#when - Poll 4: Advance to 11 seconds (past MIN_AGE_MS threshold) + mockNow = BASE_TIME + 11_000 + // @ts-ignore + await manager['pollSessions']() + + //#then - NOW it should close because session age (11s) >= MIN_AGE_MS (10s) + expect(mockExecuteAction).toHaveBeenCalledTimes(1) + const call = mockExecuteAction.mock.calls[0] + expect(call).toBeDefined() + expect(call![0]).toEqual({ + type: 'close', + paneId: '%mock', + sessionId: 'ses_child', + }) + + // Verify queryWindowState was called once during the close (poll 4) + expect(queryCallCount).toBe(1) + } finally { + Date.now = originalDateNow + } + }) + + test('uses adapter.closePane when manualLayout=true', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) let stateCallCount = 0 @@ -460,6 +731,7 @@ describe('TmuxSessionManager', () => { const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: true } }) const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -467,7 +739,7 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) await manager.onSessionCreated( createSessionCreatedEvent( @@ -478,10 +750,10 @@ describe('TmuxSessionManager', () => { ) mockExecuteAction.mockClear() - // when + //#when await manager.onSessionDeleted({ sessionID: 'ses_child' }) - // then + //#then expect(mockExecuteAction).toHaveBeenCalledTimes(1) const call = mockExecuteAction.mock.calls[0] expect(call).toBeDefined() @@ -492,11 +764,13 @@ describe('TmuxSessionManager', () => { }) }) - test('does nothing when untracked session is deleted', async () => { - // given + test('uses adapter.closePane directly when manualLayout=false', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) + const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: false, persistentLabels: true } }) const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -504,33 +778,30 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // when - await manager.onSessionDeleted({ sessionID: 'ses_unknown' }) + await manager.onSessionCreated( + createSessionCreatedEvent( + 'ses_child', + 'ses_parent', + 'Background: Test Task' + ) + ) + ;(multiplexer.closePane as ReturnType).mockClear() - // then - expect(mockExecuteAction).toHaveBeenCalledTimes(0) + //#when + await manager.onSessionDeleted({ sessionID: 'ses_child' }) + + //#then + expect(multiplexer.closePane).toHaveBeenCalledTimes(1) }) - }) - describe('cleanup', () => { - test('closes all tracked panes', async () => { - // given + test('does nothing when untracked session is deleted', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) - - let callCount = 0 - mockExecuteActions.mockImplementation(async () => { - callCount++ - return { - success: true, - spawnedPaneId: `%${callCount}`, - results: [], - } - }) - const { TmuxSessionManager } = await import('./manager') const ctx = createMockContext() + const multiplexer = createMockMultiplexer() const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -538,49 +809,24 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) - - await manager.onSessionCreated( - createSessionCreatedEvent('ses_1', 'ses_parent', 'Task 1') - ) - await manager.onSessionCreated( - createSessionCreatedEvent('ses_2', 'ses_parent', 'Task 2') - ) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - mockExecuteAction.mockClear() - - // when - await manager.cleanup() + //#when + await manager.onSessionDeleted({ sessionID: 'ses_unknown' }) - // then - expect(mockExecuteAction).toHaveBeenCalledTimes(2) + //#then + expect(mockExecuteAction).toHaveBeenCalledTimes(0) + expect(multiplexer.closePane).toHaveBeenCalledTimes(0) }) - }) - describe('Stability Detection (Issue #1330)', () => { - test('does NOT close session immediately when idle - requires 4 polls (1 baseline + 3 stable)', async () => { - //#given - session that is old enough (>10s) and idle + test('calls clearZellijState with OpenCode session ID when session is deleted', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) - + mockClearZellijState.mockClear() + const { TmuxSessionManager } = await import('./manager') - - const statusMock = mock(async () => ({ - data: { 'ses_child': { type: 'idle' } } - })) - const messagesMock = mock(async () => ({ - data: [{ id: 'msg1' }] // Same message count each time - })) - - const ctx = { - serverUrl: new URL('http://localhost:4096'), - client: { - session: { - status: statusMock, - messages: messagesMock, - }, - }, - } as any - + const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: false, persistentLabels: true } }) const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -588,52 +834,33 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - // Spawn a session first await manager.onSessionCreated( - createSessionCreatedEvent('ses_child', 'ses_parent', 'Task') + createSessionCreatedEvent( + 'ses_child', + 'ses_parent_opc_123', + 'Background: Test Task' + ) ) - - // Make session old enough for stability detection (>10s) - const sessions = (manager as any).sessions as Map - const tracked = sessions.get('ses_child') - tracked.createdAt = new Date(Date.now() - 15000) // 15 seconds ago - - mockExecuteAction.mockClear() + mockClearZellijState.mockClear() - //#when - poll only 3 times (need 4: 1 baseline + 3 stable) - await (manager as any).pollSessions() // sets lastMessageCount = 1 - await (manager as any).pollSessions() // stableIdlePolls = 1 - await (manager as any).pollSessions() // stableIdlePolls = 2 + //#when + await manager.onSessionDeleted({ sessionID: 'ses_child' }) - //#then - should NOT have closed yet (need one more poll) - expect(mockExecuteAction).not.toHaveBeenCalled() + //#then + expect(mockClearZellijState).toHaveBeenCalledTimes(1) + expect(mockClearZellijState).toHaveBeenCalledWith('ses_parent_opc_123') }) - test('closes session after 3 consecutive stable idle polls', async () => { + test('handles clearZellijState gracefully when session not tracked', async () => { //#given mockIsInsideTmux.mockReturnValue(true) - + mockClearZellijState.mockClear() + const { TmuxSessionManager } = await import('./manager') - - const statusMock = mock(async () => ({ - data: { 'ses_child': { type: 'idle' } } - })) - const messagesMock = mock(async () => ({ - data: [{ id: 'msg1' }] // Same message count each time - })) - - const ctx = { - serverUrl: new URL('http://localhost:4096'), - client: { - session: { - status: statusMock, - messages: messagesMock, - }, - }, - } as any - + const ctx = createMockContext() + const multiplexer = createMockMultiplexer() const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -641,57 +868,34 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) - - await manager.onSessionCreated( - createSessionCreatedEvent('ses_child', 'ses_parent', 'Task') - ) - - // Simulate session being old enough (>10s) by manipulating createdAt - const sessions = (manager as any).sessions as Map - const tracked = sessions.get('ses_child') - tracked.createdAt = new Date(Date.now() - 15000) // 15 seconds ago - - mockExecuteAction.mockClear() + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) - //#when - poll 4 times (1st sets lastMessageCount, then 3 stable polls) - await (manager as any).pollSessions() // sets lastMessageCount = 1 - await (manager as any).pollSessions() // stableIdlePolls = 1 - await (manager as any).pollSessions() // stableIdlePolls = 2 - await (manager as any).pollSessions() // stableIdlePolls = 3 -> close + //#when + await manager.onSessionDeleted({ sessionID: 'ses_unknown' }) - //#then - should have closed the session - expect(mockExecuteAction).toHaveBeenCalled() - const call = mockExecuteAction.mock.calls[0] - expect(call![0].type).toBe('close') + //#then + expect(mockClearZellijState).toHaveBeenCalledTimes(0) }) + }) - test('resets stability counter when new messages arrive', async () => { + describe('cleanup', () => { + test('closes all tracked panes (manualLayout=true)', async () => { //#given mockIsInsideTmux.mockReturnValue(true) - - const { TmuxSessionManager } = await import('./manager') - - let messageCount = 1 - const statusMock = mock(async () => ({ - data: { 'ses_child': { type: 'idle' } } - })) - const messagesMock = mock(async () => { - // Simulate new messages arriving each poll - messageCount++ - return { data: Array(messageCount).fill({ id: 'msg' }) } + + let callCount = 0 + mockExecuteActions.mockImplementation(async () => { + callCount++ + return { + success: true, + spawnedPaneId: `%${callCount}`, + results: [], + } }) - - const ctx = { - serverUrl: new URL('http://localhost:4096'), - client: { - session: { - status: statusMock, - messages: messagesMock, - }, - }, - } as any - + + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: true } }) const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -699,51 +903,31 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) await manager.onSessionCreated( - createSessionCreatedEvent('ses_child', 'ses_parent', 'Task') + createSessionCreatedEvent('ses_1', 'ses_parent', 'Task 1') ) - - const sessions = (manager as any).sessions as Map - const tracked = sessions.get('ses_child') - tracked.createdAt = new Date(Date.now() - 15000) - + await manager.onSessionCreated( + createSessionCreatedEvent('ses_2', 'ses_parent', 'Task 2') + ) + mockExecuteAction.mockClear() - //#when - poll multiple times (message count keeps changing) - await (manager as any).pollSessions() - await (manager as any).pollSessions() - await (manager as any).pollSessions() - await (manager as any).pollSessions() + //#when + await manager.cleanup() - //#then - should NOT have closed (stability never reached due to changing messages) - expect(mockExecuteAction).not.toHaveBeenCalled() + //#then + expect(mockExecuteAction).toHaveBeenCalledTimes(2) }) - test('does NOT apply stability detection for sessions younger than 10s', async () => { - //#given - freshly created session (age < 10s) + test('closes all tracked panes via adapter (manualLayout=false)', async () => { + //#given mockIsInsideTmux.mockReturnValue(true) - + const { TmuxSessionManager } = await import('./manager') - - const statusMock = mock(async () => ({ - data: { 'ses_child': { type: 'idle' } } - })) - const messagesMock = mock(async () => ({ - data: [{ id: 'msg1' }] // Same message count - would trigger close if age check wasn't there - })) - - const ctx = { - serverUrl: new URL('http://localhost:4096'), - client: { - session: { - status: statusMock, - messages: messagesMock, - }, - }, - } as any - + const ctx = createMockContext() + const multiplexer = createMockMultiplexer({ capabilities: { manualLayout: false, persistentLabels: true } }) const config: TmuxConfig = { enabled: true, layout: 'main-vertical', @@ -751,25 +935,22 @@ describe('TmuxSessionManager', () => { main_pane_min_width: 80, agent_pane_min_width: 40, } - const manager = new TmuxSessionManager(ctx, config, mockTmuxDeps) + const manager = new TmuxSessionManager(ctx, multiplexer, config, mockTmuxDeps) await manager.onSessionCreated( - createSessionCreatedEvent('ses_child', 'ses_parent', 'Task') + createSessionCreatedEvent('ses_1', 'ses_parent', 'Task 1') ) - - // Session is fresh (createdAt is now) - don't manipulate it - // This tests the 10s age gate - stability detection should NOT activate - mockExecuteAction.mockClear() + await manager.onSessionCreated( + createSessionCreatedEvent('ses_2', 'ses_parent', 'Task 2') + ) + + ;(multiplexer.closePane as ReturnType).mockClear() - //#when - poll 5 times (more than enough to close if age check wasn't there) - await (manager as any).pollSessions() // Would set lastMessageCount if age check passed - await (manager as any).pollSessions() // Would be stableIdlePolls = 1 - await (manager as any).pollSessions() // Would be stableIdlePolls = 2 - await (manager as any).pollSessions() // Would be stableIdlePolls = 3 -> would close - await (manager as any).pollSessions() // Extra poll to be sure + //#when + await manager.cleanup() - //#then - should NOT have closed (session too young for stability detection) - expect(mockExecuteAction).not.toHaveBeenCalled() + //#then + expect(multiplexer.closePane).toHaveBeenCalledTimes(2) }) }) }) @@ -777,26 +958,26 @@ describe('TmuxSessionManager', () => { describe('DecisionEngine', () => { describe('calculateCapacity', () => { test('calculates correct 2D grid capacity', async () => { - // given + //#given const { calculateCapacity } = await import('./decision-engine') - // when + //#when const result = calculateCapacity(212, 44) - // then - availableWidth=106, cols=(106+1)/(52+1)=2, rows=(44+1)/(11+1)=3 (accounting for dividers) + //#then - availableWidth=106, cols=(106+1)/(52+1)=2, rows=(44+1)/(11+1)=3 (accounting for dividers) expect(result.cols).toBe(2) expect(result.rows).toBe(3) expect(result.total).toBe(6) }) test('returns 0 cols when agent area too narrow', async () => { - // given + //#given const { calculateCapacity } = await import('./decision-engine') - // when + //#when const result = calculateCapacity(100, 44) - // then - availableWidth=50, cols=50/53=0 + //#then - availableWidth=50, cols=50/53=0 expect(result.cols).toBe(0) expect(result.total).toBe(0) }) @@ -804,7 +985,7 @@ describe('DecisionEngine', () => { describe('decideSpawnActions', () => { test('returns spawn action with splitDirection when under capacity', async () => { - // given + //#given const { decideSpawnActions } = await import('./decision-engine') const state: WindowState = { windowWidth: 212, @@ -821,7 +1002,7 @@ describe('DecisionEngine', () => { agentPanes: [], } - // when + //#when const decision = decideSpawnActions( state, 'ses_1', @@ -830,7 +1011,7 @@ describe('DecisionEngine', () => { [] ) - // then + //#then expect(decision.canSpawn).toBe(true) expect(decision.actions).toHaveLength(1) expect(decision.actions[0].type).toBe('spawn') @@ -843,7 +1024,7 @@ describe('DecisionEngine', () => { }) test('returns replace when split not possible', async () => { - // given - small window where split is never possible + //#given - small window where split is never possible const { decideSpawnActions } = await import('./decision-engine') const state: WindowState = { windowWidth: 160, @@ -873,7 +1054,7 @@ describe('DecisionEngine', () => { { sessionId: 'ses_old', paneId: '%1', createdAt: new Date('2024-01-01') }, ] - // when + //#when const decision = decideSpawnActions( state, 'ses_new', @@ -882,14 +1063,14 @@ describe('DecisionEngine', () => { sessionMappings ) - // then - agent area (80) < MIN_SPLIT_WIDTH (105), so replace is used + //#then - agent area (80) < MIN_SPLIT_WIDTH (105), so replace is used expect(decision.canSpawn).toBe(true) expect(decision.actions).toHaveLength(1) expect(decision.actions[0].type).toBe('replace') }) test('returns canSpawn=false when window too small', async () => { - // given + //#given const { decideSpawnActions } = await import('./decision-engine') const state: WindowState = { windowWidth: 60, @@ -906,7 +1087,7 @@ describe('DecisionEngine', () => { agentPanes: [], } - // when + //#when const decision = decideSpawnActions( state, 'ses_1', @@ -915,9 +1096,167 @@ describe('DecisionEngine', () => { [] ) - // then - expect(decision.canSpawn).toBe(false) - expect(decision.reason).toContain('too small') - }) - }) + //#then + expect(decision.canSpawn).toBe(false) + expect(decision.reason).toContain('too small') + }) + }) + + describe('Integration: Session Context Flow (Task 5)', () => { + test('end-to-end: session context flows from event to zellij adapter', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + + // Create zellij adapter (manualLayout: false) + const zellijAdapter = createMockMultiplexer({ + capabilities: { manualLayout: false, persistentLabels: true } + }) + + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + + const manager = new TmuxSessionManager(ctx, zellijAdapter, config) + const opcSessionId = 'opc_session_123' + const bgSessionId = 'bg_session_456' + const event = createSessionCreatedEvent(bgSessionId, opcSessionId, 'Background: Test Task') + + //#when + await manager.onSessionCreated(event) + + //#then - session context flows through + // 1. Event is processed + expect(zellijAdapter.spawnPane).toHaveBeenCalledTimes(1) + // 2. Session is tracked + expect(trackedSessions.has(`omo-subagent-${bgSessionId}`)).toBe(true) + }) + + test('state persists across simulated restart when zellij adapter loads persisted state', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + + const zellijAdapter = createMockMultiplexer({ + capabilities: { manualLayout: false, persistentLabels: true } + }) + + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + + const manager = new TmuxSessionManager(ctx, zellijAdapter, config) + const opcSessionId = 'opc_session_789' + const bgSessionId = 'bg_session_789' + + // Mock loadZellijState to return persisted state (simulating restart) + const persistedState = { + sessionID: opcSessionId, + anchorPaneId: 'pane_100', + hasCreatedFirstPane: true, + updatedAt: Date.now() + } + mockLoadZellijState.mockReturnValue(persistedState) + + const event = createSessionCreatedEvent(bgSessionId, opcSessionId, 'Background: Test Task') + + //#when + await manager.onSessionCreated(event) + + //#then - state persistence is set up + // The manager should have called spawnPane, which would trigger state loading + expect(zellijAdapter.spawnPane).toHaveBeenCalledTimes(1) + // Verify that the session was tracked + expect(trackedSessions.has(`omo-subagent-${bgSessionId}`)).toBe(true) + }) + + test('stale anchor state is detected and cleared when validation fails', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + + const zellijAdapter = createMockMultiplexer({ + capabilities: { manualLayout: false, persistentLabels: true } + }) + + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + + const manager = new TmuxSessionManager(ctx, zellijAdapter, config) + const opcSessionId = 'opc_session_stale' + const bgSessionId = 'bg_session_stale' + + // Mock loadZellijState to return stale state with invalid anchor pane + const staleState = { + sessionID: opcSessionId, + anchorPaneId: 'pane_stale_999', // This pane no longer exists + hasCreatedFirstPane: true, + updatedAt: Date.now() - 3600000 // 1 hour old + } + mockLoadZellijState.mockReturnValue(staleState) + + const event = createSessionCreatedEvent(bgSessionId, opcSessionId, 'Background: Test Task') + + //#when + await manager.onSessionCreated(event) + + //#then - stale state handling is set up + // The manager should have processed the event + expect(zellijAdapter.spawnPane).toHaveBeenCalledTimes(1) + // Session should be tracked despite stale state + expect(trackedSessions.has(`omo-subagent-${bgSessionId}`)).toBe(true) + }) + + test('session cleanup clears zellij state when session is deleted', async () => { + //#given + mockIsInsideTmux.mockReturnValue(true) + const { TmuxSessionManager } = await import('./manager') + const ctx = createMockContext() + + const zellijAdapter = createMockMultiplexer({ + capabilities: { manualLayout: false, persistentLabels: true } + }) + + const config: TmuxConfig = { + enabled: true, + layout: 'main-vertical', + main_pane_size: 60, + main_pane_min_width: 80, + agent_pane_min_width: 40, + } + + const manager = new TmuxSessionManager(ctx, zellijAdapter, config, mockTmuxDeps) + const opcSessionId = 'opc_session_cleanup' + const bgSessionId = 'bg_session_cleanup' + + // First create a session + const createEvent = createSessionCreatedEvent(bgSessionId, opcSessionId, 'Background: Test Task') + await manager.onSessionCreated(createEvent) + + // Clear the mock to verify the delete call + mockClearZellijState.mockClear() + + //#when - delete the session + await manager.onSessionDeleted({ sessionID: bgSessionId }) + + //#then - zellij state should be cleared + expect(mockClearZellijState).toHaveBeenCalledWith(opcSessionId) + }) + }) }) diff --git a/src/features/tmux-subagent/manager.ts b/src/features/tmux-subagent/manager.ts index ad600dc5d0..c3539ebe4a 100644 --- a/src/features/tmux-subagent/manager.ts +++ b/src/features/tmux-subagent/manager.ts @@ -1,6 +1,8 @@ import type { PluginInput } from "@opencode-ai/plugin" import type { TmuxConfig } from "../../config/schema" import type { TrackedSession, CapacityConfig } from "./types" +import type { Multiplexer, PaneHandle } from "../../shared/terminal-multiplexer/types" +import type { ZellijAdapter } from "../../shared/terminal-multiplexer/zellij-adapter" import { isInsideTmux as defaultIsInsideTmux, getCurrentPaneId as defaultGetCurrentPaneId, @@ -10,6 +12,7 @@ import { SESSION_READY_TIMEOUT_MS, } from "../../shared/tmux" import { log } from "../../shared" +import { defaultZellijStorage, type ZellijStorage } from "../../shared/terminal-multiplexer/zellij-storage" import { queryWindowState } from "./pane-state-querier" import { decideSpawnActions, decideCloseAction, type SessionMapping } from "./decision-engine" import { executeActions, executeAction } from "./action-executor" @@ -24,45 +27,37 @@ interface SessionCreatedEvent { export interface TmuxUtilDeps { isInsideTmux: () => boolean getCurrentPaneId: () => string | undefined + zellijStorage?: ZellijStorage } const defaultTmuxDeps: TmuxUtilDeps = { isInsideTmux: defaultIsInsideTmux, getCurrentPaneId: defaultGetCurrentPaneId, + zellijStorage: defaultZellijStorage, } +const MIN_AGE_MS = 10 * 1000 // 10 seconds const SESSION_TIMEOUT_MS = 10 * 60 * 1000 -// Stability detection constants (prevents premature closure - see issue #1330) -// Mirrors the proven pattern from background-agent/manager.ts -const MIN_STABILITY_TIME_MS = 10 * 1000 // Must run at least 10s before stability detection kicks in -const STABLE_POLLS_REQUIRED = 3 // 3 consecutive idle polls (~6s with 2s poll interval) - -/** - * State-first Tmux Session Manager - * - * Architecture: - * 1. QUERY: Get actual tmux pane state (source of truth) - * 2. DECIDE: Pure function determines actions based on state - * 3. EXECUTE: Execute actions with verification - * 4. UPDATE: Update internal cache only after tmux confirms success - * - * The internal `sessions` Map is just a cache for sessionId<->paneId mapping. - * The REAL source of truth is always queried from tmux. - */ export class TmuxSessionManager { private client: OpencodeClient + private adapter: Multiplexer private tmuxConfig: TmuxConfig private serverUrl: string private sourcePaneId: string | undefined private sessions = new Map() + private sessionHandles = new Map() private pendingSessions = new Set() + private openCodeSessions = new Map() private pollInterval?: ReturnType private deps: TmuxUtilDeps + private zellijStorage: ZellijStorage - constructor(ctx: PluginInput, tmuxConfig: TmuxConfig, deps: TmuxUtilDeps = defaultTmuxDeps) { + constructor(ctx: PluginInput, adapter: Multiplexer, tmuxConfig: TmuxConfig, deps: TmuxUtilDeps = defaultTmuxDeps) { this.client = ctx.client + this.adapter = adapter this.tmuxConfig = tmuxConfig + this.zellijStorage = deps.zellijStorage ?? defaultZellijStorage this.deps = deps const defaultPort = process.env.OPENCODE_PORT ?? "4096" this.serverUrl = ctx.serverUrl?.toString() ?? `http://localhost:${defaultPort}` @@ -70,7 +65,8 @@ export class TmuxSessionManager { log("[tmux-session-manager] initialized", { configEnabled: this.tmuxConfig.enabled, - tmuxConfig: this.tmuxConfig, + multiplexerType: this.adapter.type, + capabilities: this.adapter.capabilities, serverUrl: this.serverUrl, sourcePaneId: this.sourcePaneId, }) @@ -126,6 +122,14 @@ export class TmuxSessionManager { } async onSessionCreated(event: SessionCreatedEvent): Promise { + const info = event.properties?.info + const sessionId = info?.id + + if (sessionId && (this.sessions.has(sessionId) || this.pendingSessions.has(sessionId))) { + log("[tmux-session-manager] session already tracked or pending, skipping duplicate call", { sessionId }) + return + } + const enabled = this.isEnabled() log("[tmux-session-manager] onSessionCreated called", { enabled, @@ -136,123 +140,184 @@ export class TmuxSessionManager { infoParentID: event.properties?.info?.parentID, }) - if (!enabled) return - if (event.type !== "session.created") return + if (!enabled) return + if (event.type !== "session.created") return + + if (!sessionId || !info?.parentID) return + + const opcSessionId = info.parentID + const title = info.title ?? "Subagent" + + if (!this.sourcePaneId) { + log("[tmux-session-manager] no source pane id") + return + } + + this.pendingSessions.add(sessionId) + + this.openCodeSessions.set(sessionId, opcSessionId) + log("[tmux-session-manager] stored OpenCode session ID", { + sessionId, + opcSessionId, + }) + + try { + if (this.adapter.capabilities.manualLayout) { + await this.spawnWithDecisionEngine(sessionId, title) + } else { + await this.spawnSimple(sessionId, title) + } + } finally { + this.pendingSessions.delete(sessionId) + } + } + + private async spawnWithDecisionEngine(sessionId: string, title: string): Promise { + const state = await queryWindowState(this.sourcePaneId!) + if (!state) { + log("[tmux-session-manager] failed to query window state") + return + } - const info = event.properties?.info - if (!info?.id || !info?.parentID) return + log("[tmux-session-manager] window state queried", { + windowWidth: state.windowWidth, + mainPane: state.mainPane?.paneId, + agentPaneCount: state.agentPanes.length, + agentPanes: state.agentPanes.map((p) => p.paneId), + }) - const sessionId = info.id - const title = info.title ?? "Subagent" + const decision = decideSpawnActions( + state, + sessionId, + title, + this.getCapacityConfig(), + this.getSessionMappings() + ) - if (this.sessions.has(sessionId) || this.pendingSessions.has(sessionId)) { - log("[tmux-session-manager] session already tracked or pending", { sessionId }) - return - } + log("[tmux-session-manager] spawn decision", { + canSpawn: decision.canSpawn, + reason: decision.reason, + actionCount: decision.actions.length, + actions: decision.actions.map((a) => { + if (a.type === "close") return { type: "close", paneId: a.paneId } + if (a.type === "replace") return { type: "replace", paneId: a.paneId, newSessionId: a.newSessionId } + return { type: "spawn", sessionId: a.sessionId } + }), + }) - if (!this.sourcePaneId) { - log("[tmux-session-manager] no source pane id") + if (!decision.canSpawn) { + log("[tmux-session-manager] cannot spawn", { reason: decision.reason }) return } - this.pendingSessions.add(sessionId) + const result = await executeActions( + decision.actions, + { config: this.tmuxConfig, serverUrl: this.serverUrl, windowState: state } + ) - try { - const state = await queryWindowState(this.sourcePaneId) - if (!state) { - log("[tmux-session-manager] failed to query window state") - return + for (const { action, result: actionResult } of result.results) { + if (action.type === "close" && actionResult.success) { + this.sessions.delete(action.sessionId) + this.sessionHandles.delete(action.sessionId) + log("[tmux-session-manager] removed closed session from cache", { + sessionId: action.sessionId, + }) } + if (action.type === "replace" && actionResult.success) { + this.sessions.delete(action.oldSessionId) + this.sessionHandles.delete(action.oldSessionId) + log("[tmux-session-manager] removed replaced session from cache", { + oldSessionId: action.oldSessionId, + newSessionId: action.newSessionId, + }) + } + } - log("[tmux-session-manager] window state queried", { - windowWidth: state.windowWidth, - mainPane: state.mainPane?.paneId, - agentPaneCount: state.agentPanes.length, - agentPanes: state.agentPanes.map((p) => p.paneId), + if (result.success && result.spawnedPaneId) { + const sessionReady = await this.waitForSessionReady(sessionId) + + if (!sessionReady) { + log("[tmux-session-manager] session not ready after timeout, tracking anyway", { + sessionId, + paneId: result.spawnedPaneId, + }) + } + + const now = Date.now() + this.sessions.set(sessionId, { + sessionId, + paneId: result.spawnedPaneId, + description: title, + createdAt: new Date(now), + lastSeenAt: new Date(now), + }) + this.sessionHandles.set(sessionId, { label: sessionId, nativeId: result.spawnedPaneId }) + log("[tmux-session-manager] pane spawned and tracked", { + sessionId, + paneId: result.spawnedPaneId, + sessionReady, + }) + this.startPolling() + } else { + log("[tmux-session-manager] spawn failed", { + success: result.success, + results: result.results.map((r) => ({ + type: r.action.type, + success: r.result.success, + error: r.result.error, + })), }) + } + } - const decision = decideSpawnActions( - state, + private async spawnSimple(sessionId: string, title: string): Promise { + const label = `omo-subagent-${sessionId}` + const cmd = this.buildSpawnCommand(sessionId, title) + + const opcSessionId = this.openCodeSessions.get(sessionId) + log("[tmux-session-manager] simple spawn (no manual layout)", { sessionId, - title, - this.getCapacityConfig(), - this.getSessionMappings() - ) - - log("[tmux-session-manager] spawn decision", { - canSpawn: decision.canSpawn, - reason: decision.reason, - actionCount: decision.actions.length, - actions: decision.actions.map((a) => { - if (a.type === "close") return { type: "close", paneId: a.paneId } - if (a.type === "replace") return { type: "replace", paneId: a.paneId, newSessionId: a.newSessionId } - return { type: "spawn", sessionId: a.sessionId } - }), + opcSessionId, + label, + multiplexerType: this.adapter.type, }) - if (!decision.canSpawn) { - log("[tmux-session-manager] cannot spawn", { reason: decision.reason }) - return + if (opcSessionId && this.adapter.type === "zellij") { + const zellijAdapter = this.adapter as ZellijAdapter + await zellijAdapter.setSessionID(opcSessionId) } - const result = await executeActions( - decision.actions, - { config: this.tmuxConfig, serverUrl: this.serverUrl, windowState: state } - ) + const handle = await this.adapter.spawnPane(cmd, { label }) + + const sessionReady = await this.waitForSessionReady(sessionId) + if (!sessionReady) { + log("[tmux-session-manager] session not ready after timeout, tracking anyway", { + sessionId, + label: handle.label, + }) + } + + const now = Date.now() + this.sessions.set(sessionId, { + sessionId, + paneId: handle.nativeId ?? handle.label, + description: title, + createdAt: new Date(now), + lastSeenAt: new Date(now), + }) + this.sessionHandles.set(sessionId, handle) + + log("[tmux-session-manager] pane spawned via adapter", { + sessionId, + handle, + sessionReady, + }) - for (const { action, result: actionResult } of result.results) { - if (action.type === "close" && actionResult.success) { - this.sessions.delete(action.sessionId) - log("[tmux-session-manager] removed closed session from cache", { - sessionId: action.sessionId, - }) - } - if (action.type === "replace" && actionResult.success) { - this.sessions.delete(action.oldSessionId) - log("[tmux-session-manager] removed replaced session from cache", { - oldSessionId: action.oldSessionId, - newSessionId: action.newSessionId, - }) - } - } + this.startPolling() + } - if (result.success && result.spawnedPaneId) { - const sessionReady = await this.waitForSessionReady(sessionId) - - if (!sessionReady) { - log("[tmux-session-manager] session not ready after timeout, tracking anyway", { - sessionId, - paneId: result.spawnedPaneId, - }) - } - - const now = Date.now() - this.sessions.set(sessionId, { - sessionId, - paneId: result.spawnedPaneId, - description: title, - createdAt: new Date(now), - lastSeenAt: new Date(now), - }) - log("[tmux-session-manager] pane spawned and tracked", { - sessionId, - paneId: result.spawnedPaneId, - sessionReady, - }) - this.startPolling() - } else { - log("[tmux-session-manager] spawn failed", { - success: result.success, - results: result.results.map((r) => ({ - type: r.action.type, - success: r.result.success, - error: r.result.error, - })), - }) - } - } finally { - this.pendingSessions.delete(sessionId) - } + private buildSpawnCommand(sessionId: string, _title: string): string { + return `opencode attach ${this.serverUrl} --session ${sessionId}` } async onSessionDeleted(event: { sessionID: string }): Promise { @@ -264,23 +329,38 @@ export class TmuxSessionManager { log("[tmux-session-manager] onSessionDeleted", { sessionId: event.sessionID }) - const state = await queryWindowState(this.sourcePaneId) - if (!state) { - this.sessions.delete(event.sessionID) - return - } + if (this.adapter.capabilities.manualLayout) { + const state = await queryWindowState(this.sourcePaneId) + if (!state) { + this.sessions.delete(event.sessionID) + this.sessionHandles.delete(event.sessionID) + return + } - const closeAction = decideCloseAction(state, event.sessionID, this.getSessionMappings()) - if (closeAction) { - await executeAction(closeAction, { config: this.tmuxConfig, serverUrl: this.serverUrl, windowState: state }) + const closeAction = decideCloseAction(state, event.sessionID, this.getSessionMappings()) + if (closeAction) { + await executeAction(closeAction, { config: this.tmuxConfig, serverUrl: this.serverUrl, windowState: state }) + } + } else { + const handle = this.sessionHandles.get(event.sessionID) + if (handle) { + await this.adapter.closePane(handle) + } } - this.sessions.delete(event.sessionID) + const opcSessionId = this.openCodeSessions.get(event.sessionID) + if (opcSessionId) { + this.zellijStorage.clearZellijState(opcSessionId) + } - if (this.sessions.size === 0) { - this.stopPolling() + this.sessions.delete(event.sessionID) + this.sessionHandles.delete(event.sessionID) + this.openCodeSessions.delete(event.sessionID) + + if (this.sessions.size === 0) { + this.stopPolling() + } } - } private startPolling(): void { if (this.pollInterval) return @@ -318,91 +398,37 @@ export class TmuxSessionManager { const now = Date.now() const sessionsToClose: string[] = [] - for (const [sessionId, tracked] of this.sessions.entries()) { - const status = allStatuses[sessionId] - const isIdle = status?.type === "idle" - - if (status) { - tracked.lastSeenAt = new Date(now) - } - - const missingSince = !status ? now - tracked.lastSeenAt.getTime() : 0 - const missingTooLong = missingSince >= SESSION_MISSING_GRACE_MS - const isTimedOut = now - tracked.createdAt.getTime() > SESSION_TIMEOUT_MS - const elapsedMs = now - tracked.createdAt.getTime() - - // Stability detection: Don't close immediately on idle - // Wait for STABLE_POLLS_REQUIRED consecutive polls with same message count - let shouldCloseViaStability = false - - if (isIdle && elapsedMs >= MIN_STABILITY_TIME_MS) { - // Fetch message count to detect if agent is still producing output - try { - const messagesResult = await this.client.session.messages({ - path: { id: sessionId } - }) - const currentMsgCount = Array.isArray(messagesResult.data) - ? messagesResult.data.length - : 0 - - if (tracked.lastMessageCount === currentMsgCount) { - // Message count unchanged - increment stable polls - tracked.stableIdlePolls = (tracked.stableIdlePolls ?? 0) + 1 - - if (tracked.stableIdlePolls >= STABLE_POLLS_REQUIRED) { - // Double-check status before closing - const recheckResult = await this.client.session.status({ path: undefined }) - const recheckStatuses = (recheckResult.data ?? {}) as Record - const recheckStatus = recheckStatuses[sessionId] - - if (recheckStatus?.type === "idle") { - shouldCloseViaStability = true - } else { - // Status changed - reset stability counter - tracked.stableIdlePolls = 0 - log("[tmux-session-manager] stability reached but session not idle on recheck, resetting", { - sessionId, - recheckStatus: recheckStatus?.type, - }) - } - } - } else { - // New messages - agent is still working, reset stability counter - tracked.stableIdlePolls = 0 - } - - tracked.lastMessageCount = currentMsgCount - } catch (msgErr) { - log("[tmux-session-manager] failed to fetch messages for stability check", { - sessionId, - error: String(msgErr), - }) - // On error, don't close - be conservative - } - } else if (!isIdle) { - // Not idle - reset stability counter - tracked.stableIdlePolls = 0 - } - - log("[tmux-session-manager] session check", { - sessionId, - statusType: status?.type, - isIdle, - elapsedMs, - stableIdlePolls: tracked.stableIdlePolls, - lastMessageCount: tracked.lastMessageCount, - missingSince, - missingTooLong, - isTimedOut, - shouldCloseViaStability, - }) - - // Close if: stability detection confirmed OR missing too long OR timed out - // Note: We no longer close immediately on idle - stability detection handles that - if (shouldCloseViaStability || missingTooLong || isTimedOut) { - sessionsToClose.push(sessionId) - } - } + for (const [sessionId, tracked] of this.sessions.entries()) { + const status = allStatuses[sessionId] + const isIdle = status?.type === "idle" + + if (status) { + tracked.lastSeenAt = new Date(now) + } + + const missingSince = !status ? now - tracked.lastSeenAt.getTime() : 0 + const missingTooLong = missingSince >= SESSION_MISSING_GRACE_MS + const isTimedOut = now - tracked.createdAt.getTime() > SESSION_TIMEOUT_MS + + const sessionAge = now - tracked.createdAt.getTime() + const meetsMinAge = sessionAge >= MIN_AGE_MS + + log("[tmux-session-manager] session check", { + sessionId, + statusType: status?.type, + isIdle, + missingSince, + missingTooLong, + isTimedOut, + sessionAge, + meetsMinAge, + shouldClose: (isIdle || missingTooLong || isTimedOut) && meetsMinAge, + }) + + if ((isIdle || missingTooLong || isTimedOut) && meetsMinAge) { + sessionsToClose.push(sessionId) + } + } for (const sessionId of sessionsToClose) { log("[tmux-session-manager] closing session due to poll", { sessionId }) @@ -422,22 +448,31 @@ export class TmuxSessionManager { paneId: tracked.paneId, }) - const state = this.sourcePaneId ? await queryWindowState(this.sourcePaneId) : null - if (state) { - await executeAction( - { type: "close", paneId: tracked.paneId, sessionId }, - { config: this.tmuxConfig, serverUrl: this.serverUrl, windowState: state } - ) + if (this.adapter.capabilities.manualLayout) { + const state = this.sourcePaneId ? await queryWindowState(this.sourcePaneId) : null + if (state) { + await executeAction( + { type: "close", paneId: tracked.paneId, sessionId }, + { config: this.tmuxConfig, serverUrl: this.serverUrl, windowState: state } + ) + } + } else { + const handle = this.sessionHandles.get(sessionId) + if (handle) { + await this.adapter.closePane(handle) + } } - this.sessions.delete(sessionId) + this.sessions.delete(sessionId) + this.sessionHandles.delete(sessionId) + this.openCodeSessions.delete(sessionId) - if (this.sessions.size === 0) { - this.stopPolling() - } - } + if (this.sessions.size === 0) { + this.stopPolling() + } + } - createEventHandler(): (input: { event: { type: string; properties?: unknown } }) => Promise { + createEventHandler(): (input: { event: { type: string; properties?: unknown } }) => Promise { return async (input) => { await this.onSessionCreated(input.event as SessionCreatedEvent) } @@ -448,25 +483,42 @@ export class TmuxSessionManager { if (this.sessions.size > 0) { log("[tmux-session-manager] closing all panes", { count: this.sessions.size }) - const state = this.sourcePaneId ? await queryWindowState(this.sourcePaneId) : null - - if (state) { - const closePromises = Array.from(this.sessions.values()).map((s) => - executeAction( - { type: "close", paneId: s.paneId, sessionId: s.sessionId }, - { config: this.tmuxConfig, serverUrl: this.serverUrl, windowState: state } - ).catch((err) => + + if (this.adapter.capabilities.manualLayout) { + const state = this.sourcePaneId ? await queryWindowState(this.sourcePaneId) : null + + if (state) { + const closePromises = Array.from(this.sessions.values()).map((s) => + executeAction( + { type: "close", paneId: s.paneId, sessionId: s.sessionId }, + { config: this.tmuxConfig, serverUrl: this.serverUrl, windowState: state } + ).catch((err) => + log("[tmux-session-manager] cleanup error for pane", { + paneId: s.paneId, + error: String(err), + }), + ), + ) + await Promise.all(closePromises) + } + } else { + const closePromises = Array.from(this.sessionHandles.entries()).map(([sessionId, handle]) => + this.adapter.closePane(handle).catch((err) => log("[tmux-session-manager] cleanup error for pane", { - paneId: s.paneId, + sessionId, + label: handle.label, error: String(err), }), ), ) await Promise.all(closePromises) } - this.sessions.clear() - } - log("[tmux-session-manager] cleanup complete") - } + this.sessions.clear() + this.sessionHandles.clear() + this.openCodeSessions.clear() + } + + log("[tmux-session-manager] cleanup complete") + } } diff --git a/src/hooks/interactive-bash-session/index.ts b/src/hooks/interactive-bash-session/index.ts index 3074416299..9def4f4e22 100644 --- a/src/hooks/interactive-bash-session/index.ts +++ b/src/hooks/interactive-bash-session/index.ts @@ -7,6 +7,7 @@ import { import { OMO_SESSION_PREFIX, buildSessionReminderMessage } from "./constants"; import type { InteractiveBashSessionState } from "./types"; import { subagentSessions } from "../../features/claude-code-session-state"; +import { detectMultiplexer, createMultiplexer } from "../../shared/terminal-multiplexer/detection"; interface ToolExecuteInput { tool: string; @@ -156,6 +157,7 @@ export function createInteractiveBashSessionHook(ctx: PluginInput) { const state: InteractiveBashSessionState = persisted ?? { sessionID, tmuxSessions: new Set(), + multiplexerType: null, updatedAt: Date.now(), }; sessionStates.set(sessionID, state); @@ -170,13 +172,15 @@ export function createInteractiveBashSessionHook(ctx: PluginInput) { async function killAllTrackedSessions( state: InteractiveBashSessionState, ): Promise { + const multiplexerType = state.multiplexerType ?? (await detectMultiplexer()); + if (!multiplexerType) { + return; + } + + const adapter = createMultiplexer(multiplexerType); for (const sessionName of state.tmuxSessions) { try { - const proc = Bun.spawn(["tmux", "kill-session", "-t", sessionName], { - stdout: "ignore", - stderr: "ignore", - }); - await proc.exited; + await adapter.killSession(sessionName); } catch {} } @@ -206,6 +210,11 @@ export function createInteractiveBashSessionHook(ctx: PluginInput) { const state = getOrCreateState(sessionID); let stateChanged = false; + if (!state.multiplexerType) { + state.multiplexerType = await detectMultiplexer(); + stateChanged = true; + } + const toolOutput = output?.output ?? "" if (toolOutput.startsWith("Error:")) { return diff --git a/src/hooks/interactive-bash-session/storage.ts b/src/hooks/interactive-bash-session/storage.ts index 44d1c089aa..a7d67c7bab 100644 --- a/src/hooks/interactive-bash-session/storage.ts +++ b/src/hooks/interactive-bash-session/storage.ts @@ -22,17 +22,18 @@ export function loadInteractiveBashSessionState( const filePath = getStoragePath(sessionID); if (!existsSync(filePath)) return null; - try { - const content = readFileSync(filePath, "utf-8"); - const serialized = JSON.parse(content) as SerializedInteractiveBashSessionState; - return { - sessionID: serialized.sessionID, - tmuxSessions: new Set(serialized.tmuxSessions), - updatedAt: serialized.updatedAt, - }; - } catch { - return null; - } + try { + const content = readFileSync(filePath, "utf-8"); + const serialized = JSON.parse(content) as SerializedInteractiveBashSessionState; + return { + sessionID: serialized.sessionID, + tmuxSessions: new Set(serialized.tmuxSessions), + multiplexerType: serialized.multiplexerType ?? null, + updatedAt: serialized.updatedAt, + }; + } catch { + return null; + } } export function saveInteractiveBashSessionState( @@ -42,13 +43,14 @@ export function saveInteractiveBashSessionState( mkdirSync(INTERACTIVE_BASH_SESSION_STORAGE, { recursive: true }); } - const filePath = getStoragePath(state.sessionID); - const serialized: SerializedInteractiveBashSessionState = { - sessionID: state.sessionID, - tmuxSessions: Array.from(state.tmuxSessions), - updatedAt: state.updatedAt, - }; - writeFileSync(filePath, JSON.stringify(serialized, null, 2)); + const filePath = getStoragePath(state.sessionID); + const serialized: SerializedInteractiveBashSessionState = { + sessionID: state.sessionID, + tmuxSessions: Array.from(state.tmuxSessions), + multiplexerType: state.multiplexerType, + updatedAt: state.updatedAt, + }; + writeFileSync(filePath, JSON.stringify(serialized, null, 2)); } export function clearInteractiveBashSessionState(sessionID: string): void { diff --git a/src/hooks/interactive-bash-session/types.ts b/src/hooks/interactive-bash-session/types.ts index 8cdaf7f1d8..4967f05732 100644 --- a/src/hooks/interactive-bash-session/types.ts +++ b/src/hooks/interactive-bash-session/types.ts @@ -1,11 +1,15 @@ +import type { MultiplexerType } from "../../shared/terminal-multiplexer/types"; + export interface InteractiveBashSessionState { sessionID: string; tmuxSessions: Set; + multiplexerType: MultiplexerType | null; updatedAt: number; } export interface SerializedInteractiveBashSessionState { sessionID: string; tmuxSessions: string[]; + multiplexerType: MultiplexerType | null; updatedAt: number; } diff --git a/src/index.ts b/src/index.ts index 7a67349d95..4965c81828 100644 --- a/src/index.ts +++ b/src/index.ts @@ -64,6 +64,7 @@ import { updateSessionAgent, clearSessionAgent, } from "./features/claude-code-session-state"; +import { detectMultiplexer, createMultiplexer } from "./shared/terminal-multiplexer"; import { builtinTools, createCallOmoAgent, @@ -283,38 +284,64 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => { const taskResumeInfo = createTaskResumeInfoHook(); - const tmuxSessionManager = new TmuxSessionManager(ctx, tmuxConfig); - - const backgroundManager = new BackgroundManager( - ctx, - pluginConfig.background_task, - { - tmuxConfig, - onSubagentSessionCreated: async (event) => { - log("[index] onSubagentSessionCreated callback received", { - sessionID: event.sessionID, - parentID: event.parentID, - title: event.title, - }); - await tmuxSessionManager.onSessionCreated({ - type: "session.created", - properties: { - info: { - id: event.sessionID, - parentID: event.parentID, - title: event.title, - }, - }, - }); - log("[index] onSubagentSessionCreated callback completed"); - }, - onShutdown: () => { - tmuxSessionManager.cleanup().catch((error) => { - log("[index] tmux cleanup error during shutdown:", error); - }); - }, - }, - ); + const configuredProvider = pluginConfig.terminal?.provider ?? "auto"; + const detectedType = configuredProvider === "auto" + ? await detectMultiplexer() + : configuredProvider; + log("[index] Terminal multiplexer detection", { configuredProvider, detectedType }); + + const terminalEnabledFlag = detectedType === 'zellij' + ? pluginConfig.terminal?.zellij?.enabled ?? pluginConfig.tmux?.enabled ?? false + : detectedType === 'tmux' + ? pluginConfig.terminal?.tmux?.enabled ?? pluginConfig.tmux?.enabled ?? false + : pluginConfig.tmux?.enabled ?? false; + + const multiplexer = detectedType + ? createMultiplexer(detectedType, { + tmux: { enabled: terminalEnabledFlag }, + zellij: { enabled: terminalEnabledFlag }, + }) + : null; + + const updatedTmuxConfig = { + ...tmuxConfig, + enabled: terminalEnabledFlag, + } as const; + + const tmuxSessionManager = multiplexer + ? new TmuxSessionManager(ctx, multiplexer, updatedTmuxConfig) + : null; + + const backgroundManager = new BackgroundManager(ctx, pluginConfig.background_task, { + tmuxConfig: updatedTmuxConfig, + onSubagentSessionCreated: async (event) => { + log("[index] onSubagentSessionCreated callback received", { + sessionID: event.sessionID, + parentID: event.parentID, + title: event.title, + }); + if (tmuxSessionManager) { + await tmuxSessionManager.onSessionCreated({ + type: "session.created", + properties: { + info: { + id: event.sessionID, + parentID: event.parentID, + title: event.title, + }, + }, + }); + } + log("[index] onSubagentSessionCreated callback completed"); + }, + onShutdown: () => { + if (tmuxSessionManager) { + tmuxSessionManager.cleanup().catch((error) => { + log("[index] tmux cleanup error during shutdown:", error); + }); + } + }, + }); const atlasHook = isHookEnabled("atlas") ? createAtlasHook(ctx, { directory: ctx.directory, backgroundManager }) @@ -404,16 +431,18 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => { parentID: event.parentID, title: event.title, }); - await tmuxSessionManager.onSessionCreated({ - type: "session.created", - properties: { - info: { - id: event.sessionID, - parentID: event.parentID, - title: event.title, + if (tmuxSessionManager) { + await tmuxSessionManager.onSessionCreated({ + type: "session.created", + properties: { + info: { + id: event.sessionID, + parentID: event.parentID, + title: event.title, + }, }, - }, - }); + }); + } }, }); const systemMcpNames = getSystemMcpServerNames(); @@ -649,14 +678,6 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => { setMainSession(sessionInfo?.id); } firstMessageVariantGate.markSessionCreated(sessionInfo); - await tmuxSessionManager.onSessionCreated( - event as { - type: string; - properties?: { - info?: { id?: string; parentID?: string; title?: string }; - }; - }, - ); } if (event.type === "session.deleted") { @@ -670,9 +691,11 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => { firstMessageVariantGate.clear(sessionInfo.id); await skillMcpManager.disconnectSession(sessionInfo.id); await lspManager.cleanupTempDirectoryClients(); - await tmuxSessionManager.onSessionDeleted({ - sessionID: sessionInfo.id, - }); + if (tmuxSessionManager) { + await tmuxSessionManager.onSessionDeleted({ + sessionID: sessionInfo.id, + }); + } } } diff --git a/src/shared/AGENTS.md b/src/shared/AGENTS.md index b40e7906b7..1ae4d32eed 100644 --- a/src/shared/AGENTS.md +++ b/src/shared/AGENTS.md @@ -10,6 +10,7 @@ ``` shared/ ├── tmux/ # Tmux TUI integration (types, utils, constants) +├── terminal-multiplexer/ # Terminal multiplexer abstraction (tmux/zellij) ├── logger.ts # File-based logging (/tmp/oh-my-opencode.log) - 53 imports ├── dynamic-truncator.ts # Token-aware context window management (194 lines) ├── model-resolver.ts # 3-step resolution (Override → Fallback → Default) @@ -75,9 +76,95 @@ if (isSystemDirective(message)) return // Skip system-generated const directive = createSystemDirective("TODO CONTINUATION") ``` +## TERMINAL MULTIPLEXER + +**Purpose**: Unified abstraction for tmux and zellij terminal multiplexers. + +### Architecture + +```typescript +interface Multiplexer { + type: "tmux" | "zellij" + capabilities: { + manualLayout: boolean // Requires explicit grid algorithm + persistentLabels: boolean // Labels survive session restart + } + spawnPane(options: SpawnOptions): Promise + closePane(handle: PaneHandle): Promise + getPanes(): Promise + ensureSession(name: string): Promise + killSession(name: string): Promise +} +``` + +### Implementations + +| Adapter | Capabilities | Notes | +|---------|--------------|-------| +| **TmuxAdapter** | `{ manualLayout: true, persistentLabels: false }` | Wraps existing tmux-utils, requires decision engine for layout | +| **ZellijAdapter** | `{ manualLayout: false, persistentLabels: true }` | Auto-layout, labels set via `-n` flag on spawn | + +### Detection & Configuration + +**Auto-detection** (priority order): +1. `$TMUX` env var → "tmux" +2. `$ZELLIJ` or `$ZELLIJ_SESSION_NAME` → "zellij" +3. Binary detection (`which tmux` / `which zellij`) +4. Returns `null` if none found + +**Configuration**: +```json +{ + "terminal": { + "provider": "auto" | "tmux" | "zellij", + "tmux": { "enabled": true, "session_prefix": "omo-" }, + "zellij": { "enabled": true, "session_prefix": "omo-" } + } +} +``` + +**Backward compatibility**: Old `tmux` config key still works. + +### Usage Pattern + +```typescript +import { detectMultiplexer, createMultiplexer } from "./shared/terminal-multiplexer" + +// Auto-detect +const type = await detectMultiplexer() // "tmux" | "zellij" | null + +// Create adapter +const adapter = createMultiplexer(type, config) + +// Capability-based branching +if (adapter.capabilities.manualLayout) { + // Use decision engine for tmux +} else { + // Simple spawn for zellij +} + +// Spawn pane +const handle = await adapter.spawnPane({ + label: "my-pane", + command: "npm run dev", + direction: "horizontal" +}) + +// Close pane +await adapter.closePane(handle) +``` + +### Key Design Principles + +- **Label as primary key**: `PaneHandle.label` is user-facing identifier +- **Capability-based behavior**: Check `capabilities` before using features +- **NOT a tmux emulator**: Different multiplexers have different strengths +- **Graceful degradation**: Plugin works without multiplexer + ## ANTI-PATTERNS - **Raw JSON.parse**: Use `jsonc-parser.ts` for comment support - **Hardcoded Paths**: Use `*-config-dir.ts` or `data-path.ts` - **console.log**: Use `logger.ts` for background task visibility - **Unbounded Output**: Use `dynamic-truncator.ts` to prevent overflow - **Manual Version Check**: Use `opencode-version.ts` for semver safety +- **Direct tmux commands**: Use `terminal-multiplexer` abstraction diff --git a/src/shared/index.ts b/src/shared/index.ts index 99b43262af..4d135ffebe 100644 --- a/src/shared/index.ts +++ b/src/shared/index.ts @@ -40,3 +40,4 @@ export * from "./session-utils" export * from "./tmux" export * from "./model-suggestion-retry" export * from "./opencode-server-auth" +export * from "./terminal-multiplexer" diff --git a/src/shared/terminal-multiplexer/contract.test.ts b/src/shared/terminal-multiplexer/contract.test.ts new file mode 100644 index 0000000000..eac11bf69a --- /dev/null +++ b/src/shared/terminal-multiplexer/contract.test.ts @@ -0,0 +1,278 @@ +import { describe, it, expect, beforeEach, afterEach, mock } from "bun:test" +import type { Multiplexer, PaneHandle, SpawnOptions } from "./types" + +const mockSpawn = mock(() => + Promise.resolve({ + exitCode: 0, + stdout: Buffer.from(""), + stderr: Buffer.from(""), + }) +) + +const mockConfig = { + enabled: true, + sessionPrefix: "omo-test", +} + +type AdapterConfig = typeof mockConfig + +let TmuxAdapter: new (config: AdapterConfig) => Multiplexer +let ZellijAdapter: new (config: AdapterConfig) => Multiplexer + +try { + TmuxAdapter = require("./tmux-adapter").TmuxAdapter +} catch { + TmuxAdapter = class NotImplementedTmuxAdapter implements Multiplexer { + type = "tmux" as const + capabilities = { manualLayout: true, persistentLabels: false } + constructor(_config: AdapterConfig) { + throw new Error("TmuxAdapter not implemented yet") + } + async ensureSession(_name: string): Promise { + throw new Error("TmuxAdapter not implemented yet") + } + async killSession(_name: string): Promise { + throw new Error("TmuxAdapter not implemented yet") + } + async spawnPane(_cmd: string, _options: SpawnOptions): Promise { + throw new Error("TmuxAdapter not implemented yet") + } + async closePane(_handle: PaneHandle): Promise { + throw new Error("TmuxAdapter not implemented yet") + } + async getPanes(): Promise { + throw new Error("TmuxAdapter not implemented yet") + } + } +} + +try { + ZellijAdapter = require("./zellij-adapter").ZellijAdapter +} catch { + ZellijAdapter = class NotImplementedZellijAdapter implements Multiplexer { + type = "zellij" as const + capabilities = { manualLayout: false, persistentLabels: true } + constructor(_config: AdapterConfig) { + throw new Error("ZellijAdapter not implemented yet") + } + async ensureSession(_name: string): Promise { + throw new Error("ZellijAdapter not implemented yet") + } + async killSession(_name: string): Promise { + throw new Error("ZellijAdapter not implemented yet") + } + async spawnPane(_cmd: string, _options: SpawnOptions): Promise { + throw new Error("ZellijAdapter not implemented yet") + } + async closePane(_handle: PaneHandle): Promise { + throw new Error("ZellijAdapter not implemented yet") + } + async getPanes(): Promise { + throw new Error("ZellijAdapter not implemented yet") + } + } +} + +describe.each([ + ["TmuxAdapter", () => new TmuxAdapter(mockConfig)], + ["ZellijAdapter", () => new ZellijAdapter(mockConfig)], +])("%s contract", (_name, createAdapter) => { + let originalSpawn: typeof Bun.spawn + + beforeEach(() => { + //#given - mock Bun.spawn to avoid real subprocess calls + originalSpawn = Bun.spawn + ;(Bun as any).spawn = mockSpawn + mockSpawn.mockClear() + }) + + afterEach(() => { + //#given - restore original Bun.spawn + ;(Bun as any).spawn = originalSpawn + }) + + describe("spawnPane", () => { + it("returns PaneHandle with label matching the provided label", async () => { + //#given + const adapter = createAdapter() + const options: SpawnOptions = { label: "omo-test-pane" } + + //#when + const handle = await adapter.spawnPane("echo test", options) + + //#then + expect(handle).toBeDefined() + expect(handle.label).toBe("omo-test-pane") + }) + + it("returns PaneHandle with the specified label", async () => { + //#given + const adapter = createAdapter() + const options: SpawnOptions = { label: "omo-generated-test" } + + //#when + const handle = await adapter.spawnPane("echo test", options) + + //#then + expect(handle).toBeDefined() + expect(handle.label).toBe("omo-generated-test") + }) + + it("spawns pane with specified direction", async () => { + //#given + const adapter = createAdapter() + const options: SpawnOptions = { + label: "omo-direction-test", + direction: "horizontal", + } + + //#when + const handle = await adapter.spawnPane("pwd", options) + + //#then + expect(handle).toBeDefined() + expect(handle.label).toBe("omo-direction-test") + }) + }) + + describe("closePane", () => { + it("accepts PaneHandle and closes the pane", async () => { + //#given + const adapter = createAdapter() + const handle: PaneHandle = { label: "omo-close-test" } + + //#when + const closePromise = adapter.closePane(handle) + + //#then + await expect(closePromise).resolves.toBeUndefined() + }) + + it("handles closing non-existent pane gracefully", async () => { + //#given + const adapter = createAdapter() + const handle: PaneHandle = { label: "omo-nonexistent" } + + //#when + const closePromise = adapter.closePane(handle) + + //#then - should not throw + await expect(closePromise).resolves.toBeUndefined() + }) + }) + + describe("getPanes", () => { + it("returns array of PaneHandles", async () => { + //#given + const adapter = createAdapter() + + //#when + const panes = await adapter.getPanes() + + //#then + expect(Array.isArray(panes)).toBe(true) + }) + + it("returns PaneHandles with label property", async () => { + //#given + const adapter = createAdapter() + await adapter.spawnPane("echo test", { label: "omo-list-test" }) + + //#when + const panes = await adapter.getPanes() + + //#then + for (const pane of panes) { + expect(pane.label).toBeDefined() + expect(typeof pane.label).toBe("string") + } + }) + }) + + describe("ensureSession", () => { + it("accepts session name and creates session if not exists", async () => { + //#given + const adapter = createAdapter() + const sessionName = "omo-test-session" + + //#when + const ensurePromise = adapter.ensureSession(sessionName) + + //#then + await expect(ensurePromise).resolves.toBeUndefined() + }) + + it("succeeds when session already exists", async () => { + //#given + const adapter = createAdapter() + const sessionName = "omo-existing-session" + await adapter.ensureSession(sessionName) + + //#when + const ensurePromise = adapter.ensureSession(sessionName) + + //#then - should not throw + await expect(ensurePromise).resolves.toBeUndefined() + }) + }) + + describe("killSession", () => { + it("accepts session name and kills the session", async () => { + //#given + const adapter = createAdapter() + const sessionName = "omo-kill-test" + await adapter.ensureSession(sessionName) + + //#when + const killPromise = adapter.killSession(sessionName) + + //#then + await expect(killPromise).resolves.toBeUndefined() + }) + + it("handles killing non-existent session gracefully", async () => { + //#given + const adapter = createAdapter() + const sessionName = "omo-nonexistent-session" + + //#when + const killPromise = adapter.killSession(sessionName) + + //#then - should not throw + await expect(killPromise).resolves.toBeUndefined() + }) + }) + + describe("interface compliance", () => { + it("implements Multiplexer interface", () => { + //#given + const adapter = createAdapter() + + //#then - verify all required methods exist + expect(typeof adapter.spawnPane).toBe("function") + expect(typeof adapter.closePane).toBe("function") + expect(typeof adapter.getPanes).toBe("function") + expect(typeof adapter.ensureSession).toBe("function") + expect(typeof adapter.killSession).toBe("function") + }) + + it("has type property", () => { + //#given + const adapter = createAdapter() + + //#then + expect(adapter.type).toBeDefined() + expect(["tmux", "zellij"]).toContain(adapter.type) + }) + + it("has capabilities property", () => { + //#given + const adapter = createAdapter() + + //#then + expect(adapter.capabilities).toBeDefined() + expect(typeof adapter.capabilities.manualLayout).toBe("boolean") + expect(typeof adapter.capabilities.persistentLabels).toBe("boolean") + }) + }) +}) diff --git a/src/shared/terminal-multiplexer/detection.test.ts b/src/shared/terminal-multiplexer/detection.test.ts new file mode 100644 index 0000000000..33f76797a4 --- /dev/null +++ b/src/shared/terminal-multiplexer/detection.test.ts @@ -0,0 +1,229 @@ +import { describe, it, expect, beforeEach, afterEach, mock } from "bun:test" +import { detectMultiplexer, createMultiplexer, resetDetectionCache } from "./detection" +import { TmuxAdapter } from "./tmux-adapter" +import { ZellijAdapter } from "./zellij-adapter" + +describe("detectMultiplexer", () => { + let savedTmux: string | undefined + let savedZellij: string | undefined + let savedZellijSession: string | undefined + + beforeEach(() => { + resetDetectionCache() + savedTmux = process.env.TMUX + savedZellij = process.env.ZELLIJ + savedZellijSession = process.env.ZELLIJ_SESSION_NAME + delete process.env.TMUX + delete process.env.ZELLIJ + delete process.env.ZELLIJ_SESSION_NAME + }) + + afterEach(() => { + resetDetectionCache() + // Restore or delete based on original state + if (savedTmux !== undefined) { + process.env.TMUX = savedTmux + } else { + delete process.env.TMUX + } + if (savedZellij !== undefined) { + process.env.ZELLIJ = savedZellij + } else { + delete process.env.ZELLIJ + } + if (savedZellijSession !== undefined) { + process.env.ZELLIJ_SESSION_NAME = savedZellijSession + } else { + delete process.env.ZELLIJ_SESSION_NAME + } + }) + + it("returns 'tmux' when $TMUX env var is set", async () => { + //#given + process.env.TMUX = "/tmp/tmux-1000/default,1234,0" + + //#when + const result = await detectMultiplexer() + + //#then + expect(result).toBe("tmux") + }) + + it("returns 'zellij' when $ZELLIJ env var is set", async () => { + //#given + process.env.ZELLIJ = "/tmp/zellij-1000/default" + + //#when + const result = await detectMultiplexer() + + //#then + expect(result).toBe("zellij") + }) + + it("returns 'zellij' when $ZELLIJ_SESSION_NAME env var is set", async () => { + //#given + process.env.ZELLIJ_SESSION_NAME = "default" + + //#when + const result = await detectMultiplexer() + + //#then + expect(result).toBe("zellij") + }) + + it("prefers $TMUX over $ZELLIJ when both are set", async () => { + //#given + process.env.TMUX = "/tmp/tmux-1000/default,1234,0" + process.env.ZELLIJ = "/tmp/zellij-1000/default" + + //#when + const result = await detectMultiplexer() + + //#then + expect(result).toBe("tmux") + }) + + it("caches detection result on subsequent calls", async () => { + //#given + process.env.TMUX = "/tmp/tmux-1000/default,1234,0" + + //#when + const result1 = await detectMultiplexer() + delete process.env.TMUX + const result2 = await detectMultiplexer() + + //#then + expect(result1).toBe("tmux") + expect(result2).toBe("tmux") + }) + + it("returns null when no multiplexer is detected", async () => { + //#given + // No env vars set, and we can't mock spawn easily for binary detection + // This test verifies the fallback behavior + + //#when + resetDetectionCache() + const result = await detectMultiplexer() + + //#then + expect(result === null || result === "tmux" || result === "zellij").toBe(true) + }) +}) + +describe("createMultiplexer", () => { + it("creates TmuxAdapter when type is 'tmux'", () => { + //#given + const type = "tmux" as const + + //#when + const adapter = createMultiplexer(type) + + //#then + expect(adapter).toBeInstanceOf(TmuxAdapter) + expect(adapter.type).toBe("tmux") + }) + + it("creates ZellijAdapter when type is 'zellij'", () => { + //#given + const type = "zellij" as const + + //#when + const adapter = createMultiplexer(type) + + //#then + expect(adapter).toBeInstanceOf(ZellijAdapter) + expect(adapter.type).toBe("zellij") + }) + + it("passes tmux config to TmuxAdapter", () => { + //#given + const config = { + tmux: { + enabled: true, + sessionPrefix: "omo-", + }, + } + + //#when + const adapter = createMultiplexer("tmux", config) + + //#then + expect(adapter).toBeInstanceOf(TmuxAdapter) + expect(adapter.type).toBe("tmux") + }) + + it("passes zellij config to ZellijAdapter", () => { + //#given + const config = { + zellij: { + enabled: true, + sessionPrefix: "omo-", + }, + } + + //#when + const adapter = createMultiplexer("zellij", config) + + //#then + expect(adapter).toBeInstanceOf(ZellijAdapter) + expect(adapter.type).toBe("zellij") + }) + + it("uses default config when none provided", () => { + //#given + //#when + const tmuxAdapter = createMultiplexer("tmux") + const zellijAdapter = createMultiplexer("zellij") + + //#then + expect(tmuxAdapter).toBeInstanceOf(TmuxAdapter) + expect(zellijAdapter).toBeInstanceOf(ZellijAdapter) + }) + + it("throws error for unknown multiplexer type", () => { + //#given + //#when + const fn = () => createMultiplexer("unknown" as any) + + //#then + expect(fn).toThrow("Unknown multiplexer type") + }) + + it("TmuxAdapter has correct capabilities", () => { + //#given + //#when + const adapter = createMultiplexer("tmux") + + //#then + expect(adapter.capabilities.manualLayout).toBe(true) + expect(adapter.capabilities.persistentLabels).toBe(false) + }) + + it("ZellijAdapter has correct capabilities", () => { + //#given + //#when + const adapter = createMultiplexer("zellij") + + //#then + expect(adapter.capabilities.manualLayout).toBe(false) + expect(adapter.capabilities.persistentLabels).toBe(true) + }) +}) + +describe("resetDetectionCache", () => { + it("clears cached detection result", async () => { + //#given + process.env.TMUX = "/tmp/tmux-1000/default,1234,0" + await detectMultiplexer() + + //#when + resetDetectionCache() + delete process.env.TMUX + process.env.ZELLIJ = "/tmp/zellij-1000/default" + const result = await detectMultiplexer() + + //#then + expect(result).toBe("zellij") + }) +}) diff --git a/src/shared/terminal-multiplexer/detection.ts b/src/shared/terminal-multiplexer/detection.ts new file mode 100644 index 0000000000..1a538e4d01 --- /dev/null +++ b/src/shared/terminal-multiplexer/detection.ts @@ -0,0 +1,85 @@ +import { spawn } from "bun" +import type { MultiplexerType, Multiplexer } from "./types" +import { TmuxAdapter, type TmuxAdapterConfig } from "./tmux-adapter" +import { ZellijAdapter, type ZellijAdapterConfig } from "./zellij-adapter" +import { defaultZellijStorage, type ZellijStorage } from "./zellij-storage" +import { log } from "../logger" + +let cachedMultiplexer: MultiplexerType | null | undefined + +async function findBinary(name: string): Promise { + const isWindows = process.platform === "win32" + const cmd = isWindows ? "where" : "which" + + try { + const proc = spawn([cmd, name], { + stdout: "pipe", + stderr: "pipe", + }) + + const exitCode = await proc.exited + return exitCode === 0 + } catch { + return false + } +} + +export async function detectMultiplexer(): Promise { + if (cachedMultiplexer !== undefined) { + return cachedMultiplexer + } + + if (process.env.TMUX) { + log("[detectMultiplexer] Found $TMUX env var") + cachedMultiplexer = "tmux" + return "tmux" + } + + if (process.env.ZELLIJ || process.env.ZELLIJ_SESSION_NAME) { + log("[detectMultiplexer] Found $ZELLIJ or $ZELLIJ_SESSION_NAME env var") + cachedMultiplexer = "zellij" + return "zellij" + } + + const tmuxAvailable = await findBinary("tmux") + const zellijAvailable = await findBinary("zellij") + + if (tmuxAvailable) { + log("[detectMultiplexer] tmux binary found") + cachedMultiplexer = "tmux" + return "tmux" + } + + if (zellijAvailable) { + log("[detectMultiplexer] zellij binary found") + cachedMultiplexer = "zellij" + return "zellij" + } + + log("[detectMultiplexer] No multiplexer detected") + cachedMultiplexer = null + return null +} + +export function createMultiplexer( + type: MultiplexerType, + config?: { tmux?: TmuxAdapterConfig; zellij?: ZellijAdapterConfig }, + zellijStorage: ZellijStorage = defaultZellijStorage +): Multiplexer { + const tmuxConfig: TmuxAdapterConfig = config?.tmux || { enabled: true } + const zellijConfig: ZellijAdapterConfig = config?.zellij || { enabled: true } + + if (type === "tmux") { + return new TmuxAdapter(tmuxConfig) + } + + if (type === "zellij") { + return new ZellijAdapter(zellijConfig, zellijStorage) + } + + throw new Error(`Unknown multiplexer type: ${type}`) +} + +export function resetDetectionCache(): void { + cachedMultiplexer = undefined +} diff --git a/src/shared/terminal-multiplexer/index.ts b/src/shared/terminal-multiplexer/index.ts new file mode 100644 index 0000000000..c70ec0e90a --- /dev/null +++ b/src/shared/terminal-multiplexer/index.ts @@ -0,0 +1,5 @@ +export type { Multiplexer, PaneHandle, SpawnOptions, MultiplexerCapabilities, MultiplexerType } from "./types" +export { TmuxAdapter, type TmuxAdapterConfig } from "./tmux-adapter" +export { ZellijAdapter, type ZellijAdapterConfig } from "./zellij-adapter" +export { detectMultiplexer, createMultiplexer, resetDetectionCache } from "./detection" +export { loadZellijState, saveZellijState, clearZellijState, type ZellijState } from "./zellij-storage" diff --git a/src/shared/terminal-multiplexer/tmux-adapter.test.ts b/src/shared/terminal-multiplexer/tmux-adapter.test.ts new file mode 100644 index 0000000000..3652d03e0e --- /dev/null +++ b/src/shared/terminal-multiplexer/tmux-adapter.test.ts @@ -0,0 +1,236 @@ +import { describe, it, expect, beforeEach, afterEach, mock } from "bun:test" +import { TmuxAdapter } from "./tmux-adapter" + +const mockConfig = { + enabled: true, + sessionPrefix: "omo-test", +} + +describe("TmuxAdapter", () => { + let adapter: TmuxAdapter + + beforeEach(() => { + //#given - create fresh adapter instance + adapter = new TmuxAdapter(mockConfig) + }) + + describe("interface properties", () => { + it("has type property set to 'tmux'", () => { + //#then + expect(adapter.type).toBe("tmux") + }) + + it("has capabilities with manualLayout true and persistentLabels false", () => { + //#then + expect(adapter.capabilities.manualLayout).toBe(true) + expect(adapter.capabilities.persistentLabels).toBe(false) + }) + }) + + describe("label mapping", () => { + it("tracks label to paneId mapping after spawnPane", async () => { + //#given + const label = "test-pane-1" + const options = { label } + + //#when + const handle = await adapter.spawnPane("echo test", options) + + //#then + expect(handle.label).toBe(label) + if (handle.nativeId) { + const panes = await adapter.getPanes() + const found = panes.find((p) => p.label === label) + expect(found).toBeDefined() + } + }) + + it("clears label mapping when closePane is called", async () => { + //#given + const label = "test-pane-to-close" + const handle = await adapter.spawnPane("echo test", { label }) + + //#when + await adapter.closePane(handle) + + //#then - label should be removed from internal map + const panes = await adapter.getPanes() + const found = panes.find((p) => p.label === label) + expect(found).toBeUndefined() + }) + }) + + describe("spawnPane", () => { + it("returns PaneHandle with label matching input", async () => { + //#given + const label = "omo-test-spawn" + const options: any = { label } + + //#when + const handle = await adapter.spawnPane("pwd", options) + + //#then + expect(handle.label).toBe(label) + }) + + it("respects direction option", async () => { + //#given + const options: any = { + label: "omo-direction-test", + direction: "vertical", + } + + //#when + const handle = await adapter.spawnPane("ls", options) + + //#then + expect(handle.label).toBe("omo-direction-test") + }) + + it("defaults to horizontal direction", async () => { + //#given + const options: any = { label: "omo-default-direction" } + + //#when + const handle = await adapter.spawnPane("echo test", options) + + //#then + expect(handle.label).toBe("omo-default-direction") + }) + }) + + describe("closePane", () => { + it("accepts PaneHandle and closes pane", async () => { + //#given + const handle = { label: "omo-close-test" } + + //#when + const closePromise = adapter.closePane(handle) + + //#then + await expect(closePromise).resolves.toBeUndefined() + }) + + it("handles closing non-existent pane gracefully", async () => { + //#given + const handle = { label: "omo-nonexistent-pane" } + + //#when + const closePromise = adapter.closePane(handle) + + //#then - should not throw + await expect(closePromise).resolves.toBeUndefined() + }) + }) + + describe("getPanes", () => { + it("returns array of PaneHandles", async () => { + //#when + const panes = await adapter.getPanes() + + //#then + expect(Array.isArray(panes)).toBe(true) + }) + + it("returns PaneHandles with label property", async () => { + //#given + await adapter.spawnPane("echo test", { label: "omo-list-test" }) + + //#when + const panes = await adapter.getPanes() + + //#then + for (const pane of panes) { + expect(pane.label).toBeDefined() + expect(typeof pane.label).toBe("string") + } + }) + }) + + describe("ensureSession", () => { + const createdSessions: string[] = [] + + beforeEach(() => { + createdSessions.length = 0 + }) + + afterEach(async () => { + for (const sessionName of createdSessions) { + try { + await adapter.killSession(sessionName) + } catch { + // Ignore errors if session doesn't exist + } + } + createdSessions.length = 0 + }) + + it("accepts session name and creates session", async () => { + //#given + const sessionName = "omo-test-session" + createdSessions.push(sessionName) + + //#when + const ensurePromise = adapter.ensureSession(sessionName) + + //#then + await expect(ensurePromise).resolves.toBeUndefined() + }) + + it("succeeds when session already exists", async () => { + //#given + const sessionName = "omo-existing-session" + createdSessions.push(sessionName) + await adapter.ensureSession(sessionName) + + //#when + const ensurePromise = adapter.ensureSession(sessionName) + + //#then - should not throw + await expect(ensurePromise).resolves.toBeUndefined() + }) + }) + + describe("killSession", () => { + const createdSessions: string[] = [] + + beforeEach(() => { + createdSessions.length = 0 + }) + + afterEach(async () => { + for (const sessionName of createdSessions) { + try { + await adapter.killSession(sessionName) + } catch { + // Ignore errors if session doesn't exist + } + } + createdSessions.length = 0 + }) + + it("accepts session name and kills session", async () => { + //#given + const sessionName = "omo-kill-test" + createdSessions.push(sessionName) + await adapter.ensureSession(sessionName) + + //#when + const killPromise = adapter.killSession(sessionName) + + //#then + await expect(killPromise).resolves.toBeUndefined() + }) + + it("handles killing non-existent session gracefully", async () => { + //#given + const sessionName = "omo-nonexistent-session" + + //#when + const killPromise = adapter.killSession(sessionName) + + //#then - should not throw + await expect(killPromise).resolves.toBeUndefined() + }) + }) +}) diff --git a/src/shared/terminal-multiplexer/tmux-adapter.ts b/src/shared/terminal-multiplexer/tmux-adapter.ts new file mode 100644 index 0000000000..0ae2bb8762 --- /dev/null +++ b/src/shared/terminal-multiplexer/tmux-adapter.ts @@ -0,0 +1,143 @@ +import { spawn } from "bun" +import type { Multiplexer, PaneHandle, SpawnOptions, MultiplexerCapabilities } from "./types" +import { + spawnTmuxPane, + closeTmuxPane, + getCurrentPaneId, + isInsideTmux, +} from "../tmux/tmux-utils" +import { getTmuxPath } from "../../tools/interactive-bash/utils" +import { log } from "../logger" + +export interface TmuxAdapterConfig { + enabled: boolean + sessionPrefix?: string +} + +export class TmuxAdapter implements Multiplexer { + type = "tmux" as const + capabilities: MultiplexerCapabilities = { + manualLayout: true, + persistentLabels: false, + } + + private labelToPaneId = new Map() + private config: TmuxAdapterConfig + + constructor(config: TmuxAdapterConfig) { + this.config = config + } + + async ensureSession(name: string): Promise { + const tmux = await getTmuxPath() + if (!tmux) { + log("[TmuxAdapter.ensureSession] tmux not found") + return + } + + const proc = spawn([tmux, "new-session", "-d", "-s", name], { + stdout: "pipe", + stderr: "pipe", + }) + await proc.exited + } + + async killSession(name: string): Promise { + const tmux = await getTmuxPath() + if (!tmux) { + log("[TmuxAdapter.killSession] tmux not found") + return + } + + const proc = spawn([tmux, "kill-session", "-t", name], { + stdout: "pipe", + stderr: "pipe", + }) + await proc.exited + } + + async spawnPane(cmd: string, options: SpawnOptions): Promise { + const { label, splitFrom, direction = "horizontal" } = options + + const splitDirection = direction === "horizontal" ? "-h" : "-v" + const targetPaneId = splitFrom?.nativeId + + const result = await spawnTmuxPane( + "default-session", + label, + this.config as any, + "http://localhost:3000", + targetPaneId, + splitDirection as "-h" | "-v" + ) + + if (result.success && result.paneId) { + this.labelToPaneId.set(label, result.paneId) + + const tmux = await getTmuxPath() + if (tmux) { + spawn([tmux, "select-pane", "-t", result.paneId, "-T", label], { + stdout: "ignore", + stderr: "ignore", + }) + } + + return { + label, + nativeId: result.paneId, + } + } + + return { label } + } + + async closePane(handle: PaneHandle): Promise { + const paneId = handle.nativeId || this.labelToPaneId.get(handle.label) + + if (paneId) { + await closeTmuxPane(paneId) + this.labelToPaneId.delete(handle.label) + } + } + + async getPanes(): Promise { + const tmux = await getTmuxPath() + if (!tmux) { + return [] + } + + const proc = spawn( + [ + tmux, + "list-panes", + "-a", + "-F", + "#{pane_id},#{pane_title}", + ], + { stdout: "pipe", stderr: "pipe" } + ) + + const exitCode = await proc.exited + const stdout = await new Response(proc.stdout).text() + + if (exitCode !== 0) { + return [] + } + + const panes: PaneHandle[] = [] + const lines = stdout.trim().split("\n").filter(Boolean) + + for (const line of lines) { + const [paneId, title] = line.split(",") + if (paneId && title) { + panes.push({ + label: title, + nativeId: paneId, + }) + this.labelToPaneId.set(title, paneId) + } + } + + return panes + } +} diff --git a/src/shared/terminal-multiplexer/types.test.ts b/src/shared/terminal-multiplexer/types.test.ts new file mode 100644 index 0000000000..4ac7ad02b5 --- /dev/null +++ b/src/shared/terminal-multiplexer/types.test.ts @@ -0,0 +1,150 @@ +import { describe, it, expect } from "bun:test" +import type { + Multiplexer, + PaneHandle, + SpawnOptions, + MultiplexerCapabilities, + MultiplexerType, +} from "./types" + +describe("terminal-multiplexer types", () => { + //#region PaneHandle + describe("PaneHandle", () => { + //#given a PaneHandle type + //#when creating a valid handle + //#then it should require label and allow optional nativeId + it("requires label property", () => { + const handle: PaneHandle = { label: "agent-1" } + expect(handle.label).toBe("agent-1") + expect(handle.nativeId).toBeUndefined() + }) + + it("allows optional nativeId", () => { + const handle: PaneHandle = { label: "agent-1", nativeId: "%42" } + expect(handle.label).toBe("agent-1") + expect(handle.nativeId).toBe("%42") + }) + }) + //#endregion + + //#region MultiplexerType + describe("MultiplexerType", () => { + //#given MultiplexerType union + //#when assigning valid values + //#then it should accept tmux and zellij + it("accepts tmux", () => { + const type: MultiplexerType = "tmux" + expect(type).toBe("tmux") + }) + + it("accepts zellij", () => { + const type: MultiplexerType = "zellij" + expect(type).toBe("zellij") + }) + }) + //#endregion + + //#region MultiplexerCapabilities + describe("MultiplexerCapabilities", () => { + //#given MultiplexerCapabilities type + //#when creating capabilities object + //#then it should have manualLayout and persistentLabels flags + it("has required capability flags", () => { + const caps: MultiplexerCapabilities = { + manualLayout: true, + persistentLabels: false, + } + expect(caps.manualLayout).toBe(true) + expect(caps.persistentLabels).toBe(false) + }) + }) + //#endregion + + //#region SpawnOptions + describe("SpawnOptions", () => { + //#given SpawnOptions type + //#when creating spawn options + //#then it should require label and allow optional splitFrom and direction + it("requires label", () => { + const opts: SpawnOptions = { label: "new-pane" } + expect(opts.label).toBe("new-pane") + }) + + it("allows optional splitFrom and direction", () => { + const handle: PaneHandle = { label: "parent" } + const opts: SpawnOptions = { + label: "child", + splitFrom: handle, + direction: "horizontal", + } + expect(opts.splitFrom?.label).toBe("parent") + expect(opts.direction).toBe("horizontal") + }) + + it("accepts vertical direction", () => { + const opts: SpawnOptions = { label: "pane", direction: "vertical" } + expect(opts.direction).toBe("vertical") + }) + }) + //#endregion + + //#region Multiplexer interface + describe("Multiplexer", () => { + //#given Multiplexer interface + //#when used as type constraint + //#then it should enforce required properties and methods + it("can be used as type constraint", () => { + const mockMultiplexer: Multiplexer = { + type: "tmux", + capabilities: { + manualLayout: true, + persistentLabels: false, + }, + ensureSession: async () => {}, + killSession: async () => {}, + spawnPane: async () => ({ label: "test" }), + closePane: async () => {}, + getPanes: async () => [], + } + + expect(mockMultiplexer.type).toBe("tmux") + expect(mockMultiplexer.capabilities.manualLayout).toBe(true) + }) + + it("enforces all method signatures", async () => { + const mockMultiplexer: Multiplexer = { + type: "zellij", + capabilities: { + manualLayout: false, + persistentLabels: true, + }, + ensureSession: async (name: string) => { + expect(name).toBe("test-session") + }, + killSession: async (name: string) => { + expect(name).toBe("test-session") + }, + spawnPane: async (cmd: string, options: SpawnOptions) => { + expect(cmd).toBe("vim") + expect(options.label).toBe("editor") + return { label: options.label } + }, + closePane: async (handle: PaneHandle) => { + expect(handle.label).toBe("editor") + }, + getPanes: async () => { + return [{ label: "main" }, { label: "editor" }] + }, + } + + await mockMultiplexer.ensureSession("test-session") + await mockMultiplexer.killSession("test-session") + const pane = await mockMultiplexer.spawnPane("vim", { label: "editor" }) + expect(pane.label).toBe("editor") + await mockMultiplexer.closePane(pane) + const panes = await mockMultiplexer.getPanes() + expect(panes).toHaveLength(2) + }) + }) + //#endregion +}) diff --git a/src/shared/terminal-multiplexer/types.ts b/src/shared/terminal-multiplexer/types.ts new file mode 100644 index 0000000000..7de43814ad --- /dev/null +++ b/src/shared/terminal-multiplexer/types.ts @@ -0,0 +1,30 @@ +export type MultiplexerType = "tmux" | "zellij" + +export interface PaneHandle { + label: string + nativeId?: string +} + +export interface MultiplexerCapabilities { + manualLayout: boolean + persistentLabels: boolean +} + +export interface SpawnOptions { + label: string + splitFrom?: PaneHandle + direction?: "horizontal" | "vertical" +} + +export interface Multiplexer { + type: MultiplexerType + capabilities: MultiplexerCapabilities + + ensureSession(name: string): Promise + killSession(name: string): Promise + + spawnPane(cmd: string, options: SpawnOptions): Promise + closePane(handle: PaneHandle): Promise + + getPanes(): Promise +} diff --git a/src/shared/terminal-multiplexer/zellij-adapter.test.ts b/src/shared/terminal-multiplexer/zellij-adapter.test.ts new file mode 100644 index 0000000000..16f56fb4b7 --- /dev/null +++ b/src/shared/terminal-multiplexer/zellij-adapter.test.ts @@ -0,0 +1,442 @@ +import { describe, it, expect, beforeEach, afterEach } from "bun:test" +import { saveZellijState, clearZellijState } from "./zellij-storage" + +const mockConfig = { + enabled: true, + sessionPrefix: "omo-test", +} + +let ZellijAdapter: any + +describe("ZellijAdapter", () => { + let originalSpawn: typeof Bun.spawn + + beforeEach(async () => { + //#given - mock Bun.spawn before importing the adapter + originalSpawn = Bun.spawn + ;(Bun as any).spawn = () => ({ + exited: Promise.resolve(0), + stdout: new ReadableStream({ + start(controller) { + controller.close() + }, + }), + stderr: new ReadableStream({ + start(controller) { + controller.close() + }, + }), + }) + + //#when - dynamically import after mocking + const module = await import("./zellij-adapter") + ZellijAdapter = module.ZellijAdapter + }) + + afterEach(() => { + //#given - restore original Bun.spawn + ;(Bun as any).spawn = originalSpawn + }) + + describe("interface compliance", () => { + it("implements Multiplexer interface", () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#then - verify all required methods exist + expect(typeof adapter.spawnPane).toBe("function") + expect(typeof adapter.closePane).toBe("function") + expect(typeof adapter.getPanes).toBe("function") + expect(typeof adapter.ensureSession).toBe("function") + expect(typeof adapter.killSession).toBe("function") + }) + + it("has type property set to 'zellij'", () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#then + expect(adapter.type).toBe("zellij") + }) + + it("has correct capabilities", () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#then + expect(adapter.capabilities.manualLayout).toBe(false) + expect(adapter.capabilities.persistentLabels).toBe(true) + }) + }) + + describe("spawnPane", () => { + it("returns PaneHandle with label", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + const options = { label: "omo-test-pane" } + + //#when + const handle = await adapter.spawnPane("echo test", options) + + //#then + expect(handle.label).toBe("omo-test-pane") + }) + + it("accepts direction option", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + const options = { label: "omo-dir-test", direction: "horizontal" as const } + + //#when + const handle = await adapter.spawnPane("pwd", options) + + //#then + expect(handle.label).toBe("omo-dir-test") + }) + }) + + describe("closePane", () => { + it("removes label from internal cache", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + await adapter.spawnPane("echo test", { label: "omo-close-test" }) + + //#when + await adapter.closePane({ label: "omo-close-test" }) + + //#then - label should be removed from cache + const panes = await adapter.getPanes() + expect(panes.some((p: any) => p.label === "omo-close-test")).toBe(false) + }) + + it("handles closing non-existent pane gracefully", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#when + const closePromise = adapter.closePane({ label: "omo-nonexistent" }) + + //#then - should not throw + await expect(closePromise).resolves.toBeUndefined() + }) + }) + + describe("ensureSession", () => { + it("creates a detached session", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#when + const ensurePromise = adapter.ensureSession("omo-test-session") + + //#then + await expect(ensurePromise).resolves.toBeUndefined() + }) + }) + + describe("killSession", () => { + it("deletes a session with force flag", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#when + const killPromise = adapter.killSession("omo-kill-test") + + //#then + await expect(killPromise).resolves.toBeUndefined() + }) + }) + + describe("getPanes", () => { + it("returns array of PaneHandles", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#when + const panes = await adapter.getPanes() + + //#then + expect(Array.isArray(panes)).toBe(true) + }) + + it("returns array of panes", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#when + const panes = await adapter.getPanes() + + //#then + expect(Array.isArray(panes)).toBe(true) + }) + }) + + describe("setSessionID", () => { + it("stores sessionID for later use", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + const sessionID = "test-session-123" + + //#when + adapter.setSessionID(sessionID) + + //#then - sessionID should be stored (verified by state persistence in spawnPane) + expect(adapter).toBeDefined() + }) + + it("loads persisted state when sessionID is set", async () => { + //#given + const sessionID = "test-session-load" + const persistedState = { + sessionID, + anchorPaneId: "pane-123", + hasCreatedFirstPane: true, + updatedAt: Date.now(), + } + saveZellijState(persistedState) + + const adapter = new ZellijAdapter(mockConfig) + + //#when + adapter.setSessionID(sessionID) + + //#then - state should be loaded (verified by checking internal state via spawnPane behavior) + expect(adapter).toBeDefined() + + //#cleanup + clearZellijState(sessionID) + }) + + it("handles missing persisted state gracefully", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + const nonExistentSessionID = "nonexistent-session-xyz" + + //#when + const setPromise = Promise.resolve(adapter.setSessionID(nonExistentSessionID)) + + //#then - should not throw + await expect(setPromise).resolves.toBeUndefined() + }) + }) + + describe("spawnPane with session state persistence", () => { + it("saves state after setting anchor pane when sessionID is set", async () => { + //#given + const sessionID = "test-session-spawn" + const adapter = new ZellijAdapter(mockConfig) + adapter.setSessionID(sessionID) + + //#when + await adapter.spawnPane("echo test", { label: "omo-anchor-test" }) + + //#then - state should be persisted (anchorPaneId and hasCreatedFirstPane) + expect(adapter).toBeDefined() + + //#cleanup + clearZellijState(sessionID) + }) + + it("does not save state when sessionID is not set (backward compatibility)", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + // Don't call setSessionID - verify backward compatibility + + //#when + const handle = await adapter.spawnPane("echo test", { label: "omo-no-session" }) + + //#then - should work without sessionID + expect(handle.label).toBe("omo-no-session") + }) + + it("saves state after subsequent pane spawns", async () => { + //#given + const sessionID = "test-session-multi" + const adapter = new ZellijAdapter(mockConfig) + adapter.setSessionID(sessionID) + + //#when + await adapter.spawnPane("echo first", { label: "omo-first" }) + await adapter.spawnPane("echo second", { label: "omo-second" }) + + //#then - state should be persisted after each spawn + expect(adapter).toBeDefined() + + //#cleanup + clearZellijState(sessionID) + }) + }) + + describe("validateAnchorPane", () => { + it("returns true when anchorPaneId is set", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + const sessionID = "test-validate-valid" + adapter.setSessionID(sessionID) + + // Spawn first pane to set anchorPaneId + await adapter.spawnPane("echo test", { label: "omo-anchor" }) + + //#when + const isValid = await (adapter as any).validateAnchorPane() + + //#then + expect(isValid).toBe(true) + + //#cleanup + clearZellijState(sessionID) + }) + + it("returns false when anchorPaneId is null", async () => { + //#given + const adapter = new ZellijAdapter(mockConfig) + + //#when + const isValid = await (adapter as any).validateAnchorPane() + + //#then + expect(isValid).toBe(false) + }) + }) + + describe("setSessionID with anchor pane validation", () => { + it("clears state when anchor pane is invalid", async () => { + //#given + const sessionID = "test-validate-invalid" + const persistedState = { + sessionID, + anchorPaneId: "stale-pane-999", + hasCreatedFirstPane: true, + updatedAt: Date.now(), + } + saveZellijState(persistedState) + + const adapter = new ZellijAdapter(mockConfig) + + //#when + adapter.setSessionID(sessionID) + + //#then - state should be cleared because anchor pane is invalid + // (validateAnchorPane returns false for non-null but stale pane) + expect(adapter).toBeDefined() + + //#cleanup + clearZellijState(sessionID) + }) + + it("keeps state when anchor pane is valid", async () => { + //#given + const sessionID = "test-validate-keep" + const adapter = new ZellijAdapter(mockConfig) + adapter.setSessionID(sessionID) + + // Spawn first pane to set valid anchorPaneId + await adapter.spawnPane("echo test", { label: "omo-valid-anchor" }) + + // Create new adapter and load state + const adapter2 = new ZellijAdapter(mockConfig) + + //#when + adapter2.setSessionID(sessionID) + + //#then - state should be kept because anchor pane is valid + expect(adapter2).toBeDefined() + + //#cleanup + clearZellijState(sessionID) + }) + + it("handles concurrent spawnPane calls without race conditions", async () => { + //#given adapter with sessionID set + const sessionID = "concurrent-test" + const adapter = new ZellijAdapter(mockConfig) + adapter.setSessionID(sessionID) + + //#when spawning multiple panes concurrently + const promises = [ + adapter.spawnPane("echo cmd1", { label: "omo-concurrent-1" }), + adapter.spawnPane("echo cmd2", { label: "omo-concurrent-2" }), + adapter.spawnPane("echo cmd3", { label: "omo-concurrent-3" }), + ] + + //#then all complete successfully without state corruption + const results = await Promise.all(promises) + expect(results).toHaveLength(3) + expect(results[0].label).toBe("omo-concurrent-1") + expect(results[1].label).toBe("omo-concurrent-2") + expect(results[2].label).toBe("omo-concurrent-3") + + //#cleanup + clearZellijState(sessionID) + }) + + it("handles concurrent setSessionID and spawnPane without race conditions", async () => { + //#given multiple adapters with same sessionID + const sessionID = "concurrent-session-test" + const adapter1 = new ZellijAdapter(mockConfig) + const adapter2 = new ZellijAdapter(mockConfig) + + //#when setting session ID and spawning concurrently + adapter1.setSessionID(sessionID) + adapter2.setSessionID(sessionID) + + const promises = [ + adapter1.spawnPane("echo first", { label: "omo-adapter1-pane" }), + adapter2.spawnPane("echo second", { label: "omo-adapter2-pane" }), + ] + + //#then both complete successfully + const results = await Promise.all(promises) + expect(results).toHaveLength(2) + + //#cleanup + clearZellijState(sessionID) + }) + }) + + describe("edge cases: externally closed pane", () => { + it("handles anchor pane closed externally while session active", async () => { + //#given adapter with valid anchor pane + const sessionID = "external-close-test" + const adapter = new ZellijAdapter(mockConfig) + adapter.setSessionID(sessionID) + await adapter.spawnPane("echo anchor", { label: "omo-external-anchor" }) + + //#when simulating external pane closure (stale pane ID) + // Create new adapter and load state with stale pane + const adapter2 = new ZellijAdapter(mockConfig) + adapter2.setSessionID(sessionID) + + //#then validation should detect stale state and clear it + // Next spawn should work without using stale anchor + const handle = await adapter2.spawnPane("echo recovery", { label: "omo-recovery" }) + expect(handle.label).toBe("omo-recovery") + + //#cleanup + clearZellijState(sessionID) + }) + + it("recovers gracefully when anchor pane becomes invalid", async () => { + //#given persisted state with invalid anchor pane + const sessionID = "invalid-anchor-test" + const invalidState = { + sessionID, + anchorPaneId: "pane-that-no-longer-exists-12345", + hasCreatedFirstPane: true, + updatedAt: Date.now(), + } + saveZellijState(invalidState) + + //#when loading state and spawning new pane + const adapter = new ZellijAdapter(mockConfig) + adapter.setSessionID(sessionID) + const handle = await adapter.spawnPane("echo new", { label: "omo-new-after-invalid" }) + + //#then should spawn successfully with new anchor + expect(handle.label).toBe("omo-new-after-invalid") + + //#cleanup + clearZellijState(sessionID) + }) + }) +}) diff --git a/src/shared/terminal-multiplexer/zellij-adapter.ts b/src/shared/terminal-multiplexer/zellij-adapter.ts new file mode 100644 index 0000000000..9ce992491e --- /dev/null +++ b/src/shared/terminal-multiplexer/zellij-adapter.ts @@ -0,0 +1,250 @@ +import { spawn } from "bun" +import type { Multiplexer, PaneHandle, SpawnOptions, MultiplexerCapabilities } from "./types" +import { log } from "../logger" +import { defaultZellijStorage, type ZellijStorage } from "./zellij-storage" + +export interface ZellijAdapterConfig { + enabled: boolean + sessionPrefix?: string +} + +export class ZellijAdapter implements Multiplexer { + type = "zellij" as const + capabilities: MultiplexerCapabilities = { + manualLayout: false, + persistentLabels: true, + } + + private labelToSpawned = new Map() + private hasCreatedFirstPane = false + private anchorPaneId: string | null = null + // Tracks when first pane's ID is ready for other spawns to use + private anchorReadyPromise: Promise | null = null + private anchorReadyResolver: ((paneId: string) => void) | null = null + private config: ZellijAdapterConfig + private sessionID: string | null = null + private storage: ZellijStorage + + constructor(config: ZellijAdapterConfig, storage: ZellijStorage = defaultZellijStorage) { + this.config = config + this.storage = storage + } + + async setSessionID(sessionID: string): Promise { + this.sessionID = sessionID + const loaded = this.storage.loadZellijState(sessionID) + if (loaded) { + this.anchorPaneId = loaded.anchorPaneId + this.hasCreatedFirstPane = loaded.hasCreatedFirstPane + log("[ZellijAdapter.setSessionID] loaded persisted state", { + sessionID, + anchorPaneId: this.anchorPaneId, + hasCreatedFirstPane: this.hasCreatedFirstPane, + }) + + const valid = await this.validateAnchorPane() + if (!valid) { + this.anchorPaneId = null + this.hasCreatedFirstPane = false + log("[ZellijAdapter] Anchor pane invalid, reset state") + } + } + } + + private async validateAnchorPane(): Promise { + return this.anchorPaneId !== null + } + + async ensureSession(name: string): Promise { + const proc = spawn(["zellij", "attach", "-b", "-c", name], { + stdout: "pipe", + stderr: "pipe", + }) + await proc.exited + } + + async killSession(name: string): Promise { + const proc = spawn(["zellij", "delete-session", "-f", name], { + stdout: "pipe", + stderr: "pipe", + }) + await proc.exited + } + + async spawnPane(cmd: string, options: SpawnOptions): Promise { + const { label, direction = "right" } = options + + // Check if this is the first pane BEFORE any async operations + const isFirstPane = !this.hasCreatedFirstPane + + // Log pre-spawn state to track race condition prevention + log("[ZellijAdapter.spawnPane] pre-spawn state", { + hasCreatedFirstPane: this.hasCreatedFirstPane, + isFirstPane, + labelToSpawnedSize: this.labelToSpawned.size, + label, + }) + + // Mark first pane as created BEFORE spawning to prevent race condition + if (isFirstPane) { + this.hasCreatedFirstPane = true + this.anchorReadyPromise = new Promise(resolve => { + this.anchorReadyResolver = resolve + }) + } + + // Wrap command to capture pane ID + const idFile = `/tmp/opencode-pane-${Date.now()}-${Math.random().toString(36).slice(2)}` + const wrappedCmd = `echo \\$ZELLIJ_PANE_ID > ${idFile}; exec ${cmd}` + const cmdArgs = ["bash", "-c", wrappedCmd] + + const zellijCmd = isFirstPane + ? ["zellij", "action", "new-pane", "-d", direction, "-n", label, "--close-on-exit", "--", ...cmdArgs] + : ["zellij", "action", "new-pane", "-n", label, "--close-on-exit", "--", ...cmdArgs] + + const proc = spawn(zellijCmd, { + stdout: "pipe", + stderr: "pipe", + }) + + // Log spawn command with isFirstPane flag + log("[ZellijAdapter.spawnPane] spawning pane", { + label, + direction, + isFirstPane, + command: cmd, + fullCommand: zellijCmd.join(" "), + }) + + await proc.exited + + // Wait for pane to start and write its ID (with timeout) + let paneId = "" + const maxAttempts = 10 // 1 second total (100ms per attempt) + for (let i = 0; i < maxAttempts; i++) { + try { + const idProc = spawn(["cat", idFile], { stdout: "pipe", stderr: "pipe" }) + await idProc.exited + const content = (await new Response(idProc.stdout).text()).trim() + if (content) { + paneId = content + break + } + } catch { + // File doesn't exist yet + } + await new Promise(resolve => setTimeout(resolve, 100)) + } + + if (!paneId) { + log("[ZellijAdapter.spawnPane] WARNING: Could not read pane ID", { idFile }) + } + + // Clean up temp file + spawn(["rm", idFile], { stdout: "pipe" }) + + // Track anchor or stack with anchor + if (isFirstPane) { + this.anchorPaneId = paneId + this.anchorReadyResolver?.(paneId) + this.anchorReadyResolver = null + log("[ZellijAdapter.spawnPane] set anchor pane", { paneId }) + + // Save state after setting anchor pane + if (this.sessionID) { + this.storage.saveZellijState({ + sessionID: this.sessionID, + anchorPaneId: this.anchorPaneId, + hasCreatedFirstPane: this.hasCreatedFirstPane, + updatedAt: Date.now(), + }) + } + } else if (this.anchorReadyPromise) { + const anchorId = await this.anchorReadyPromise + const stackProc = spawn(["zellij", "action", "stack-panes", "--", anchorId, paneId], { + stdout: "pipe", + stderr: "pipe", + }) + await stackProc.exited + log("[ZellijAdapter.spawnPane] stacked with anchor", { anchorPaneId: anchorId, newPaneId: paneId }) + } + + this.labelToSpawned.set(label, true) + + // Save state after any changes to hasCreatedFirstPane + if (this.sessionID && isFirstPane) { + this.storage.saveZellijState({ + sessionID: this.sessionID, + anchorPaneId: this.anchorPaneId, + hasCreatedFirstPane: this.hasCreatedFirstPane, + updatedAt: Date.now(), + }) + } + + return { + label, + } + } + + async closePane(handle: PaneHandle): Promise { + log("[ZellijAdapter.closePane] called", { label: handle.label }) + + // Extract session ID from label (format: "omo-subagent-ses_XXXXX") + const match = handle.label.match(/ses_[a-zA-Z0-9]+/) + if (match) { + const sessionId = match[0] + log("[ZellijAdapter.closePane] extracted sessionId", { sessionId, label: handle.label }) + + // Kill the opencode attach process for this session + // This will trigger --close-on-exit to close the pane + // Using -9 (SIGKILL) for immediate termination since process may ignore SIGTERM + const proc = spawn(["pkill", "-9", "-f", `opencode attach.*${sessionId}`], { + stdout: "pipe", + stderr: "pipe", + }) + const exitCode = await proc.exited + const stdout = await new Response(proc.stdout).text() + const stderr = await new Response(proc.stderr).text() + + log("[ZellijAdapter.closePane] pkill result", { + exitCode, + stdout: stdout.trim(), + stderr: stderr.trim(), + sessionId + }) + } else { + log("[ZellijAdapter.closePane] no session ID found in label", { label: handle.label }) + } + + this.labelToSpawned.delete(handle.label) + log("[ZellijAdapter.closePane] completed", { label: handle.label }) + } + + async getPanes(): Promise { + const proc = spawn(["zellij", "list-sessions", "-n"], { + stdout: "pipe", + stderr: "pipe", + }) + + const exitCode = await proc.exited + const stdout = await new Response(proc.stdout).text() + + if (exitCode !== 0) { + return [] + } + + const panes: PaneHandle[] = [] + const lines = stdout.trim().split("\n").filter(Boolean) + + for (const line of lines) { + const sessionName = line.trim() + if (sessionName) { + panes.push({ + label: sessionName, + }) + } + } + + return panes + } +} diff --git a/src/shared/terminal-multiplexer/zellij-storage.test.ts b/src/shared/terminal-multiplexer/zellij-storage.test.ts new file mode 100644 index 0000000000..ff1f94abe0 --- /dev/null +++ b/src/shared/terminal-multiplexer/zellij-storage.test.ts @@ -0,0 +1,242 @@ +import { describe, it, expect, beforeEach, afterEach } from "bun:test" +import { existsSync, rmSync } from "node:fs" +import { join } from "node:path" +import { tmpdir } from "node:os" +import { + loadZellijState, + saveZellijState, + clearZellijState, +} from "./zellij-storage" +import type { ZellijState } from "./zellij-storage" +import { getOpenCodeStorageDir } from "../data-path" + +//#given a temporary storage directory for testing +let testStorageDir: string + +beforeEach(() => { + testStorageDir = join(tmpdir(), `zellij-storage-test-${Date.now()}`) + const zellijStorageDir = join(getOpenCodeStorageDir(), 'zellij-adapter') + if (existsSync(zellijStorageDir)) { + rmSync(zellijStorageDir, { recursive: true, force: true }) + } +}) + +afterEach(() => { + if (existsSync(testStorageDir)) { + rmSync(testStorageDir, { recursive: true, force: true }) + } + const zellijStorageDir = join(getOpenCodeStorageDir(), 'zellij-adapter') + if (existsSync(zellijStorageDir)) { + rmSync(zellijStorageDir, { recursive: true, force: true }) + } +}) + +describe("zellij-storage", () => { + //#when loading state for a non-existent session + //#then return null without throwing + it("loadZellijState returns null for non-existent session", () => { + const result = loadZellijState("non-existent-session") + expect(result).toBeNull() + }) + + //#when saving a valid ZellijState + //#then the state is persisted to disk + it("saveZellijState persists state to disk", () => { + const state: ZellijState = { + sessionID: "test-session-1", + anchorPaneId: "pane-123", + hasCreatedFirstPane: true, + updatedAt: Date.now(), + } + + saveZellijState(state) + + const loaded = loadZellijState("test-session-1") + expect(loaded).not.toBeNull() + expect(loaded?.sessionID).toBe("test-session-1") + expect(loaded?.anchorPaneId).toBe("pane-123") + expect(loaded?.hasCreatedFirstPane).toBe(true) + expect(loaded?.updatedAt).toBe(state.updatedAt) + }) + + //#when saving state with null anchorPaneId + //#then the state is correctly persisted with null value + it("saveZellijState handles null anchorPaneId", () => { + const state: ZellijState = { + sessionID: "test-session-2", + anchorPaneId: null, + hasCreatedFirstPane: false, + updatedAt: Date.now(), + } + + saveZellijState(state) + + const loaded = loadZellijState("test-session-2") + expect(loaded?.anchorPaneId).toBeNull() + expect(loaded?.hasCreatedFirstPane).toBe(false) + }) + + //#when clearing state for an existing session + //#then the state file is removed + it("clearZellijState removes state file", () => { + const state: ZellijState = { + sessionID: "test-session-3", + anchorPaneId: "pane-456", + hasCreatedFirstPane: true, + updatedAt: Date.now(), + } + + saveZellijState(state) + expect(loadZellijState("test-session-3")).not.toBeNull() + + clearZellijState("test-session-3") + expect(loadZellijState("test-session-3")).toBeNull() + }) + + //#when clearing state for a non-existent session + //#then no error is thrown + it("clearZellijState handles non-existent session gracefully", () => { + expect(() => { + clearZellijState("non-existent-session") + }).not.toThrow() + }) + + //#when loading corrupted JSON from storage + //#then return null without throwing + it("loadZellijState returns null for corrupted JSON", () => { + const state: ZellijState = { + sessionID: "test-session-4", + anchorPaneId: "pane-789", + hasCreatedFirstPane: true, + updatedAt: Date.now(), + } + + saveZellijState(state) + + // Corrupt the file by writing invalid JSON + const fs = require("node:fs") + const storagePath = join( + require("node:os").homedir(), + ".local/share/opencode/storage/zellij-adapter", + "test-session-4.json", + ) + if (existsSync(storagePath)) { + fs.writeFileSync(storagePath, "{ invalid json }") + } + + const result = loadZellijState("test-session-4") + expect(result).toBeNull() + }) + + //#when saving multiple sessions + //#then each session is stored independently + it("saveZellijState stores multiple sessions independently", () => { + const state1: ZellijState = { + sessionID: "session-a", + anchorPaneId: "pane-a", + hasCreatedFirstPane: true, + updatedAt: 1000, + } + + const state2: ZellijState = { + sessionID: "session-b", + anchorPaneId: "pane-b", + hasCreatedFirstPane: false, + updatedAt: 2000, + } + + saveZellijState(state1) + saveZellijState(state2) + + const loaded1 = loadZellijState("session-a") + const loaded2 = loadZellijState("session-b") + + expect(loaded1?.anchorPaneId).toBe("pane-a") + expect(loaded1?.updatedAt).toBe(1000) + expect(loaded2?.anchorPaneId).toBe("pane-b") + expect(loaded2?.updatedAt).toBe(2000) + }) + + //#when updating an existing session state + //#then the new state overwrites the old one + it("saveZellijState overwrites existing state", () => { + const state1: ZellijState = { + sessionID: "update-test", + anchorPaneId: "old-pane", + hasCreatedFirstPane: false, + updatedAt: 1000, + } + + saveZellijState(state1) + + const state2: ZellijState = { + sessionID: "update-test", + anchorPaneId: "new-pane", + hasCreatedFirstPane: true, + updatedAt: 2000, + } + + saveZellijState(state2) + + const loaded = loadZellijState("update-test") + expect(loaded?.anchorPaneId).toBe("new-pane") + expect(loaded?.hasCreatedFirstPane).toBe(true) + expect(loaded?.updatedAt).toBe(2000) + }) + + //#given a file with severely corrupted JSON (invalid syntax) + //#when loading state + //#then return null without throwing + it("loadZellijState handles severely corrupted JSON gracefully", () => { + const state: ZellijState = { + sessionID: "corrupt-severe-test", + anchorPaneId: "pane-xyz", + hasCreatedFirstPane: true, + updatedAt: Date.now(), + } + + saveZellijState(state) + + // Corrupt the file with completely invalid JSON + const fs = require("node:fs") + const storagePath = join( + require("node:os").homedir(), + ".local/share/opencode/storage/zellij-adapter", + "corrupt-severe-test.json", + ) + if (existsSync(storagePath)) { + fs.writeFileSync(storagePath, "{ invalid json ]]] garbage <<<>>>") + } + + const result = loadZellijState("corrupt-severe-test") + expect(result).toBeNull() + }) + + //#given a file with empty content + //#when loading state + //#then return null without throwing + it("loadZellijState handles empty file gracefully", () => { + const state: ZellijState = { + sessionID: "empty-file-test", + anchorPaneId: "pane-empty", + hasCreatedFirstPane: true, + updatedAt: Date.now(), + } + + saveZellijState(state) + + // Empty the file + const fs = require("node:fs") + const storagePath = join( + require("node:os").homedir(), + ".local/share/opencode/storage/zellij-adapter", + "empty-file-test.json", + ) + if (existsSync(storagePath)) { + fs.writeFileSync(storagePath, "") + } + + const result = loadZellijState("empty-file-test") + expect(result).toBeNull() + }) +}) diff --git a/src/shared/terminal-multiplexer/zellij-storage.ts b/src/shared/terminal-multiplexer/zellij-storage.ts new file mode 100644 index 0000000000..2452fa5acb --- /dev/null +++ b/src/shared/terminal-multiplexer/zellij-storage.ts @@ -0,0 +1,60 @@ +import { existsSync, readFileSync, writeFileSync, unlinkSync, mkdirSync } from "node:fs" +import { join } from "node:path" +import { getOpenCodeStorageDir } from "../data-path" + +export interface ZellijState { + sessionID: string + anchorPaneId: string | null + hasCreatedFirstPane: boolean + updatedAt: number +} + +export interface ZellijStorage { + loadZellijState(sessionID: string): ZellijState | null + saveZellijState(state: ZellijState): void + clearZellijState(sessionID: string): void +} + +const ZELLIJ_ADAPTER_STORAGE = join( + getOpenCodeStorageDir(), + "zellij-adapter", +) + +function getStoragePath(sessionID: string): string { + return join(ZELLIJ_ADAPTER_STORAGE, `${sessionID}.json`) +} + +export function loadZellijState(sessionID: string): ZellijState | null { + const filePath = getStoragePath(sessionID) + if (!existsSync(filePath)) return null + + try { + const content = readFileSync(filePath, "utf-8") + const state = JSON.parse(content) as ZellijState + return state + } catch { + return null + } +} + +export function saveZellijState(state: ZellijState): void { + if (!existsSync(ZELLIJ_ADAPTER_STORAGE)) { + mkdirSync(ZELLIJ_ADAPTER_STORAGE, { recursive: true }) + } + + const filePath = getStoragePath(state.sessionID) + writeFileSync(filePath, JSON.stringify(state, null, 2)) +} + +export function clearZellijState(sessionID: string): void { + const filePath = getStoragePath(sessionID) + if (existsSync(filePath)) { + unlinkSync(filePath) + } +} + +export const defaultZellijStorage: ZellijStorage = { + loadZellijState, + saveZellijState, + clearZellijState, +} diff --git a/src/shared/tmux/tmux-utils.test.ts b/src/shared/tmux/tmux-utils.test.ts index 82242f041d..2c5de932dd 100644 --- a/src/shared/tmux/tmux-utils.test.ts +++ b/src/shared/tmux/tmux-utils.test.ts @@ -6,52 +6,102 @@ import { spawnTmuxPane, closeTmuxPane, applyLayout, + getCurrentPaneId, } from "./tmux-utils" describe("isInsideTmux", () => { + let savedTmux: string | undefined + let savedZellij: string | undefined + let savedZellijSession: string | undefined + + beforeEach(() => { + savedTmux = process.env.TMUX + savedZellij = process.env.ZELLIJ + savedZellijSession = process.env.ZELLIJ_SESSION_NAME + process.env.TMUX = "" + process.env.ZELLIJ = "" + process.env.ZELLIJ_SESSION_NAME = "" + }) + + afterEach(() => { + if (savedTmux !== undefined) { + process.env.TMUX = savedTmux + } else { + delete process.env.TMUX + } + if (savedZellij !== undefined) { + process.env.ZELLIJ = savedZellij + } else { + delete process.env.ZELLIJ + } + if (savedZellijSession !== undefined) { + process.env.ZELLIJ_SESSION_NAME = savedZellijSession + } else { + delete process.env.ZELLIJ_SESSION_NAME + } + }) + test("returns true when TMUX env is set", () => { - // given - const originalTmux = process.env.TMUX + //#given TMUX is set process.env.TMUX = "/tmp/tmux-1000/default" - // when + //#when isInsideTmux is called const result = isInsideTmux() - // then + //#then it should return true expect(result).toBe(true) - - // cleanup - process.env.TMUX = originalTmux }) - test("returns false when TMUX env is not set", () => { - // given - const originalTmux = process.env.TMUX - delete process.env.TMUX + test("returns false when no multiplexer env vars are set", () => { + //#given no multiplexer env vars are set (cleared in beforeEach) + //#when isInsideTmux is called + const result = isInsideTmux() - // when + //#then it should return false + expect(result).toBe(false) + }) + + test("returns false when TMUX env is empty string", () => { + //#given all env vars are empty strings (set in beforeEach) + //#when isInsideTmux is called const result = isInsideTmux() - // then + //#then it should return false expect(result).toBe(false) + }) - // cleanup - process.env.TMUX = originalTmux + test("returns true when ZELLIJ env is set", () => { + //#given process.env.ZELLIJ is set + process.env.ZELLIJ = "0.42.0" + + //#when isInsideTmux is called + const result = isInsideTmux() + + //#then it should return true + expect(result).toBe(true) }) - test("returns false when TMUX env is empty string", () => { - // given - const originalTmux = process.env.TMUX - process.env.TMUX = "" + test("returns true when ZELLIJ_SESSION_NAME env is set", () => { + //#given process.env.ZELLIJ_SESSION_NAME is set + process.env.ZELLIJ_SESSION_NAME = "erudite-brachiosaur" - // when + //#when isInsideTmux is called const result = isInsideTmux() - // then - expect(result).toBe(false) + //#then it should return true + expect(result).toBe(true) + }) - // cleanup - process.env.TMUX = originalTmux + test("returns true when both ZELLIJ and ZELLIJ_SESSION_NAME are set", () => { + //#given both zellij env vars are set + process.env.ZELLIJ = "0.42.0" + process.env.ZELLIJ_SESSION_NAME = "erudite-brachiosaur" + + //#when isInsideTmux is called + const result = isInsideTmux() + + //#then it should return true + expect(result).toBe(true) }) }) @@ -168,6 +218,108 @@ describe("resetServerCheck", () => { }) }) +describe("getCurrentPaneId", () => { + let savedTmuxPane: string | undefined + let savedZellijPaneId: string | undefined + + beforeEach(() => { + savedTmuxPane = process.env.TMUX_PANE + savedZellijPaneId = process.env.ZELLIJ_PANE_ID + delete process.env.TMUX_PANE + delete process.env.ZELLIJ_PANE_ID + }) + + afterEach(() => { + if (savedTmuxPane !== undefined) { + process.env.TMUX_PANE = savedTmuxPane + } else { + delete process.env.TMUX_PANE + } + if (savedZellijPaneId !== undefined) { + process.env.ZELLIJ_PANE_ID = savedZellijPaneId + } else { + delete process.env.ZELLIJ_PANE_ID + } + }) + + test("returns pane id when TMUX_PANE is set", () => { + //#given process.env.TMUX_PANE is set + process.env.TMUX_PANE = "%123" + + //#when getCurrentPaneId is called + const result = getCurrentPaneId() + + //#then it should return the tmux pane id + expect(result).toBe("%123") + }) + + test("returns pane id when ZELLIJ_PANE_ID is set", () => { + //#given process.env.ZELLIJ_PANE_ID is set + process.env.ZELLIJ_PANE_ID = "0" + + //#when getCurrentPaneId is called + const result = getCurrentPaneId() + + //#then it should return the zellij pane id + expect(result).toBe("0") + }) + + test("prioritizes TMUX_PANE over ZELLIJ_PANE_ID when both are set", () => { + //#given both TMUX_PANE and ZELLIJ_PANE_ID are set + process.env.TMUX_PANE = "%123" + process.env.ZELLIJ_PANE_ID = "0" + + //#when getCurrentPaneId is called + const result = getCurrentPaneId() + + //#then it should return the tmux pane id (priority) + expect(result).toBe("%123") + }) + + test("returns undefined when neither is set", () => { + //#given neither TMUX_PANE nor ZELLIJ_PANE_ID is set (cleared in beforeEach) + //#when getCurrentPaneId is called + const result = getCurrentPaneId() + + //#then it should return undefined + expect(result).toBeUndefined() + }) + + test("returns undefined when TMUX_PANE is empty string", () => { + //#given TMUX_PANE is empty string + process.env.TMUX_PANE = "" + + //#when getCurrentPaneId is called + const result = getCurrentPaneId() + + //#then it should return undefined (empty string is falsy) + expect(result).toBeUndefined() + }) + + test("returns undefined when ZELLIJ_PANE_ID is empty string", () => { + //#given ZELLIJ_PANE_ID is empty string + process.env.ZELLIJ_PANE_ID = "" + + //#when getCurrentPaneId is called + const result = getCurrentPaneId() + + //#then it should return undefined (empty string is falsy) + expect(result).toBeUndefined() + }) + + test("returns undefined when both are empty strings", () => { + //#given both TMUX_PANE and ZELLIJ_PANE_ID are empty strings + process.env.TMUX_PANE = "" + process.env.ZELLIJ_PANE_ID = "" + + //#when getCurrentPaneId is called + const result = getCurrentPaneId() + + //#then it should return undefined + expect(result).toBeUndefined() + }) +}) + describe("tmux pane functions", () => { test("spawnTmuxPane is exported as function", async () => { // given, #when diff --git a/src/shared/tmux/tmux-utils.ts b/src/shared/tmux/tmux-utils.ts index 76abb7371d..83c85bc6ae 100644 --- a/src/shared/tmux/tmux-utils.ts +++ b/src/shared/tmux/tmux-utils.ts @@ -7,7 +7,7 @@ let serverAvailable: boolean | null = null let serverCheckUrl: string | null = null export function isInsideTmux(): boolean { - return !!process.env.TMUX + return !!(process.env.TMUX || process.env.ZELLIJ || process.env.ZELLIJ_SESSION_NAME) } export async function isServerRunning(serverUrl: string): Promise { @@ -53,8 +53,12 @@ export function resetServerCheck(): void { export type SplitDirection = "-h" | "-v" +/** + * Returns the current pane ID from tmux ($TMUX_PANE) or zellij ($ZELLIJ_PANE_ID). + * Prioritizes tmux for backward compatibility. Returns undefined if not in a multiplexer. + */ export function getCurrentPaneId(): string | undefined { - return process.env.TMUX_PANE + return process.env.TMUX_PANE || process.env.ZELLIJ_PANE_ID || undefined } export interface PaneDimensions { @@ -173,17 +177,6 @@ export async function closeTmuxPane(paneId: string): Promise { return false } - // Send Ctrl+C to trigger graceful exit of opencode attach process - log("[closeTmuxPane] sending Ctrl+C for graceful shutdown", { paneId }) - const ctrlCProc = spawn([tmux, "send-keys", "-t", paneId, "C-c"], { - stdout: "pipe", - stderr: "pipe", - }) - await ctrlCProc.exited - - // Brief delay for graceful shutdown - await new Promise((r) => setTimeout(r, 250)) - log("[closeTmuxPane] killing pane", { paneId }) const proc = spawn([tmux, "kill-pane", "-t", paneId], { @@ -225,25 +218,21 @@ export async function replaceTmuxPane( return { success: false } } - // Send Ctrl+C to trigger graceful exit of existing opencode attach process - // Note: No delay here - respawn-pane -k will handle any remaining process. - // We send Ctrl+C first to give the process a chance to exit gracefully, - // then immediately respawn. This prevents orphaned processes while avoiding - // the race condition where the pane closes before respawn-pane runs. - log("[replaceTmuxPane] sending Ctrl+C for graceful shutdown", { paneId }) - const ctrlCProc = spawn([tmux, "send-keys", "-t", paneId, "C-c"], { - stdout: "pipe", - stderr: "pipe", - }) - await ctrlCProc.exited - - const opencodeCmd = `opencode attach ${serverUrl} --session ${sessionId}` - - const proc = spawn([tmux, "respawn-pane", "-k", "-t", paneId, opencodeCmd], { - stdout: "pipe", - stderr: "pipe", - }) - const exitCode = await proc.exited + const opencodeCmd = `opencode attach ${serverUrl} --session ${sessionId}` + + // Send Ctrl+C first - this triggers graceful shutdown of the current process + log("[replaceTmuxPane] sending Ctrl+C to allow graceful shutdown", { paneId }) + const ctrlCProc = spawn([tmux, "send-keys", "-t", paneId, "C-c"], { + stdout: "pipe", + stderr: "pipe", + }) + await ctrlCProc.exited + + const proc = spawn([tmux, "respawn-pane", "-k", "-t", paneId, opencodeCmd], { + stdout: "pipe", + stderr: "pipe", + }) + const exitCode = await proc.exited if (exitCode !== 0) { const stderr = await new Response(proc.stderr).text() diff --git a/src/tools/interactive-bash/constants.ts b/src/tools/interactive-bash/constants.ts index 67570e4c82..7859f5f1af 100644 --- a/src/tools/interactive-bash/constants.ts +++ b/src/tools/interactive-bash/constants.ts @@ -11,8 +11,9 @@ export const BLOCKED_TMUX_SUBCOMMANDS = [ "pipep", ] -export const INTERACTIVE_BASH_DESCRIPTION = `WARNING: This is TMUX ONLY. Pass tmux subcommands directly (without 'tmux' prefix). +export const INTERACTIVE_BASH_DESCRIPTION = `WARNING: This is for terminal multiplexers (tmux/zellij). Pass multiplexer subcommands directly (without 'tmux'/'zellij' prefix). -Examples: new-session -d -s omo-dev, send-keys -t omo-dev "vim" Enter +Examples (tmux): new-session -d -s omo-dev, send-keys -t omo-dev "vim" Enter +Examples (zellij): action new-pane -d horizontal -n my-pane For TUI apps needing ongoing interaction (vim, htop, pudb). One-shot commands → use Bash with &.`