Enable OpenCode and Droid in Maestro CLI

docs/cli.md

@@ -75,9 +75,9 @@ On failure, `success` is `false` and an `error` field is included:
 }
 ```
 
-Error codes: `AGENT_NOT_FOUND`, `AGENT_UNSUPPORTED`, `CLAUDE_NOT_FOUND`, `CODEX_NOT_FOUND`.
+Error codes: `AGENT_NOT_FOUND`, `AGENT_UNSUPPORTED`, `CLAUDE_NOT_FOUND`, `CODEX_NOT_FOUND`, `OPENCODE_NOT_FOUND`, `DROID_NOT_FOUND`.
 
-Supported agent types: `claude-code`, `codex`.
+Supported agent types: `claude-code`, `codex`, `opencode`, `factory-droid`. The `send` command supports all four.
 
 ### Listing Sessions
 
@@ -241,5 +241,5 @@ The `send` command always outputs JSON (no `--json` flag needed).
 
 ## Requirements
 
-- At least one AI agent CLI must be installed and in PATH (Claude Code, Codex, or OpenCode)
+- At least one AI agent CLI must be installed and in PATH (Claude Code, Codex, OpenCode, or Factory Droid)
 - Maestro config files must exist (created automatically when you use the GUI)

src/__tests__/cli/services/agent-spawner.test.ts

@@ -69,8 +69,10 @@ vi.mock('os', () => ({
 
 // Mock storage service
 const mockGetAgentCustomPath = vi.fn();
+const mockGetAgentConfigValues = vi.fn(() => ({}));
 vi.mock('../../../cli/services/storage', () => ({
 	getAgentCustomPath: (...args: unknown[]) => mockGetAgentCustomPath(...args),
+	getAgentConfigValues: (...args: unknown[]) => mockGetAgentConfigValues(...args),
 }));
 
 import {
@@ -678,6 +680,100 @@ Some text with [x] in it that's not a checkbox
 		});
 	});
 
+	describe('detectOpenCode', () => {
+		beforeEach(() => {
+			vi.resetModules();
+		});
+
+		it('should detect OpenCode via PATH detection', async () => {
+			mockGetAgentCustomPath.mockReturnValue(undefined);
+			mockSpawn.mockReturnValue(mockChild);
+
+			const { detectOpenCode: freshDetectOpenCode } =
+				await import('../../../cli/services/agent-spawner');
+
+			const resultPromise = freshDetectOpenCode();
+
+			await new Promise((resolve) => setTimeout(resolve, 0));
+			mockStdout.emit('data', Buffer.from('/usr/local/bin/opencode\n'));
+			await new Promise((resolve) => setTimeout(resolve, 0));
+			mockChild.emit('close', 0);
+
+			const result = await resultPromise;
+
+			expect(result.available).toBe(true);
+			expect(result.path).toBe('/usr/local/bin/opencode');
+			expect(result.source).toBe('path');
+		});
+
+		it('should preserve cached source when override matches cached path', async () => {
+			mockGetAgentCustomPath.mockReturnValue(undefined);
+			mockSpawn.mockReturnValue(mockChild);
+
+			const { detectOpenCode: freshDetectOpenCode } =
+				await import('../../../cli/services/agent-spawner');
+
+			const resultPromise = freshDetectOpenCode();
+
+			await new Promise((resolve) => setTimeout(resolve, 0));
+			mockStdout.emit('data', Buffer.from('/usr/local/bin/opencode\n'));
+			await new Promise((resolve) => setTimeout(resolve, 0));
+			mockChild.emit('close', 0);
+
+			const result1 = await resultPromise;
+			expect(result1.source).toBe('path');
+
+			const result2 = await freshDetectOpenCode('/usr/local/bin/opencode');
+			expect(result2.source).toBe('path');
+		});
+	});
+
+	describe('detectDroid', () => {
+		beforeEach(() => {
+			vi.resetModules();
+		});
+
+		it('should detect Factory Droid via PATH detection', async () => {
+			mockGetAgentCustomPath.mockReturnValue(undefined);
+			mockSpawn.mockReturnValue(mockChild);
+
+			const { detectDroid: freshDetectDroid } = await import('../../../cli/services/agent-spawner');
+
+			const resultPromise = freshDetectDroid();
+
+			await new Promise((resolve) => setTimeout(resolve, 0));
+			mockStdout.emit('data', Buffer.from('/usr/local/bin/droid\n'));
+			await new Promise((resolve) => setTimeout(resolve, 0));
+			mockChild.emit('close', 0);
+
+			const result = await resultPromise;
+
+			expect(result.available).toBe(true);
+			expect(result.path).toBe('/usr/local/bin/droid');
+			expect(result.source).toBe('path');
+		});
+
+		it('should preserve cached source when override matches cached path', async () => {
+			mockGetAgentCustomPath.mockReturnValue(undefined);
+			mockSpawn.mockReturnValue(mockChild);
+
+			const { detectDroid: freshDetectDroid } = await import('../../../cli/services/agent-spawner');
+
+			const resultPromise = freshDetectDroid();
+
+			await new Promise((resolve) => setTimeout(resolve, 0));
+			mockStdout.emit('data', Buffer.from('/usr/local/bin/droid\n'));
+			await new Promise((resolve) => setTimeout(resolve, 0));
+			mockChild.emit('close', 0);
+
+			const result1 = await resultPromise;
+			expect(result1.source).toBe('path');
+
+			const result2 = await freshDetectDroid('/usr/local/bin/droid');
+			expect(result2.source).toBe('path');
+		});
+	});
+
 	describe('spawnAgent', () => {
 		beforeEach(() => {
 			mockSpawn.mockReturnValue(mockChild);

src/cli/commands/run-playbook.ts

@@ -4,7 +4,7 @@
 import { getSessionById } from '../services/storage';
 import { findPlaybookById } from '../services/playbooks';
 import { runPlaybook as executePlaybook } from '../services/batch-processor';
-import { detectClaude, detectCodex } from '../services/agent-spawner';
+import { detectClaude, detectCodex, detectOpenCode, detectDroid } from '../services/agent-spawner';
 import { emitError } from '../output/jsonl';
 import {
 	formatRunEvent,
@@ -149,7 +149,7 @@ export async function runPlaybook(playbookId: string, options: RunPlaybookOption
 
 		// Check if agent CLI is available
 		if (agent.toolType === 'codex') {
-			const codex = await detectCodex();
+			const codex = await detectCodex(agent.customPath);
 			if (!codex.available) {
 				if (useJson) {
 					emitError('Codex CLI not found. Please install codex CLI.', 'CODEX_NOT_FOUND');
@@ -159,7 +159,7 @@ export async function runPlaybook(playbookId: string, options: RunPlaybookOption
 				process.exit(1);
 			}
 		} else if (agent.toolType === 'claude-code') {
-			const claude = await detectClaude();
+			const claude = await detectClaude(agent.customPath);
 			if (!claude.available) {
 				if (useJson) {
 					emitError('Claude Code not found. Please install claude-code CLI.', 'CLAUDE_NOT_FOUND');
@@ -168,6 +168,26 @@ export async function runPlaybook(playbookId: string, options: RunPlaybookOption
 				}
 				process.exit(1);
 			}
+		} else if (agent.toolType === 'opencode') {
+			const opencode = await detectOpenCode(agent.customPath);
+			if (!opencode.available) {
+				if (useJson) {
+					emitError('OpenCode CLI not found. Please install opencode CLI.', 'OPENCODE_NOT_FOUND');
+				} else {
+					console.error(formatError('OpenCode CLI not found. Please install opencode CLI.'));
+				}
+				process.exit(1);
+			}
+		} else if (agent.toolType === 'factory-droid') {
+			const droid = await detectDroid(agent.customPath);
+			if (!droid.available) {
+				if (useJson) {
+					emitError('Factory Droid CLI not found. Please install droid CLI.', 'DROID_NOT_FOUND');
+				} else {
+					console.error(formatError('Factory Droid CLI not found. Please install droid CLI.'));
+				}
+				process.exit(1);
+			}
 		} else {
 			const message = `Agent type "${agent.toolType}" is not supported in CLI batch mode yet.`;
 			if (useJson) {

src/cli/commands/send.ts

@@ -1,7 +1,14 @@
 // Send command - send a message to an agent and get a JSON response
 // Requires a Maestro agent ID. Optionally resumes an existing agent session.
 
-import { spawnAgent, detectClaude, detectCodex, type AgentResult } from '../services/agent-spawner';
+import {
+	spawnAgent,
+	detectClaude,
+	detectCodex,
+	detectOpenCode,
+	detectDroid,
+	type AgentResult,
+} from '../services/agent-spawner';
 import { resolveAgentId, getSessionById } from '../services/storage';
 import { estimateContextUsage } from '../../main/parsers/usage-aggregator';
 import type { ToolType } from '../../shared/types';
@@ -88,7 +95,7 @@ export async function send(
 	}
 
 	// Validate agent type is supported for CLI spawning
-	const supportedTypes: ToolType[] = ['claude-code', 'codex'];
+	const supportedTypes: ToolType[] = ['claude-code', 'codex', 'opencode', 'factory-droid'];
 	if (!supportedTypes.includes(agent.toolType)) {
 		emitErrorJson(
 			`Agent type "${agent.toolType}" is not supported for send mode. Supported: ${supportedTypes.join(', ')}`,
@@ -99,7 +106,7 @@ export async function send(
 
 	// Verify agent CLI is available
 	if (agent.toolType === 'claude-code') {
-		const claude = await detectClaude();
+		const claude = await detectClaude(agent.customPath);
 		if (!claude.available) {
 			emitErrorJson(
 				'Claude Code CLI not found. Install with: npm install -g @anthropic-ai/claude-code',
@@ -108,18 +115,52 @@ export async function send(
 			process.exit(1);
 		}
 	} else if (agent.toolType === 'codex') {
-		const codex = await detectCodex();
+		const codex = await detectCodex(agent.customPath);
 		if (!codex.available) {
 			emitErrorJson(
 				'Codex CLI not found. Install with: npm install -g @openai/codex',
 				'CODEX_NOT_FOUND'
 			);
 			process.exit(1);
 		}
+	} else if (agent.toolType === 'opencode') {
+		const opencode = await detectOpenCode(agent.customPath);
+		if (!opencode.available) {
+			emitErrorJson(
+				'OpenCode CLI not found. Install with: npm install -g opencode',
+				'OPENCODE_NOT_FOUND'
+			);
+			process.exit(1);
+		}
+	} else if (agent.toolType === 'factory-droid') {
+		const droid = await detectDroid(agent.customPath);
+		if (!droid.available) {
+			emitErrorJson(
+				'Factory Droid CLI not found. Install with: https://factory.ai/product/cli',
+				'DROID_NOT_FOUND'
+			);
+			process.exit(1);
+		}
 	}
 
+	const hasOverrides =
+		agent.customPath !== undefined ||
+		agent.customArgs !== undefined ||
+		agent.customEnvVars !== undefined ||
+		agent.customModel !== undefined;
+	const overrides = hasOverrides
+		? {
+				customPath: agent.customPath,
+				customArgs: agent.customArgs,
+				customEnvVars: agent.customEnvVars,
+				customModel: agent.customModel,
+			}
+		: undefined;
+
 	// Spawn agent — spawnAgent handles --resume vs --session-id internally
-	const result = await spawnAgent(agent.toolType, agent.cwd, message, options.session);
+	const result = overrides
+		? await spawnAgent(agent.toolType, agent.cwd, message, options.session, overrides)
+		: await spawnAgent(agent.toolType, agent.cwd, message, options.session);
 	const response = buildResponse(agentId, agent.name, result, agent.toolType);
 
 	console.log(JSON.stringify(response, null, 2));