Add support for Junie from JetBrains tool and command generation (#853)

* Add support for Junie from JetBrains tool and command generation

* Expand Junie support to include `opsx` file patterns and update documentation accordingly

---------

Co-authored-by: TabishB <[email protected]>

Author: preigile

docs/supported-tools.md

@@ -37,6 +37,7 @@ You can enable expanded workflows (`new`, `continue`, `ff`, `verify`, `sync`, `b
 | Gemini CLI (`gemini`) | `.gemini/skills/openspec-*/SKILL.md` | `.gemini/commands/opsx/<id>.toml` |
 | GitHub Copilot (`github-copilot`) | `.github/skills/openspec-*/SKILL.md` | `.github/prompts/opsx-<id>.prompt.md`\*\* |
 | iFlow (`iflow`) | `.iflow/skills/openspec-*/SKILL.md` | `.iflow/commands/opsx-<id>.md` |
+| Junie (`junie`) | `.junie/skills/openspec-*/SKILL.md` | `.junie/commands/opsx-<id>.md` |
 | Kilo Code (`kilocode`) | `.kilocode/skills/openspec-*/SKILL.md` | `.kilocode/workflows/opsx-<id>.md` |
 | Kiro (`kiro`) | `.kiro/skills/openspec-*/SKILL.md` | `.kiro/prompts/opsx-<id>.prompt.md` |
 | OpenCode (`opencode`) | `.opencode/skills/openspec-*/SKILL.md` | `.opencode/commands/opsx-<id>.md` |
@@ -69,7 +70,7 @@ openspec init --tools none
 openspec init --profile core
 ```
 
-**Available tool IDs (`--tools`):** `amazon-q`, `antigravity`, `auggie`, `claude`, `cline`, `codex`, `codebuddy`, `continue`, `costrict`, `crush`, `cursor`, `factory`, `forgecode`, `gemini`, `github-copilot`, `iflow`, `kilocode`, `kiro`, `opencode`, `pi`, `qoder`, `qwen`, `roocode`, `trae`, `windsurf`
+**Available tool IDs (`--tools`):** `amazon-q`, `antigravity`, `auggie`, `claude`, `cline`, `codex`, `codebuddy`, `continue`, `costrict`, `crush`, `cursor`, `factory`, `forgecode`, `gemini`, `github-copilot`, `iflow`, `junie`, `kilocode`, `kiro`, `opencode`, `pi`, `qoder`, `qwen`, `roocode`, `trae`, `windsurf`
 
 ## Workflow-Dependent Installation
 

src/core/command-generation/adapters/index.ts

@@ -19,6 +19,7 @@ export { factoryAdapter } from './factory.js';
 export { geminiAdapter } from './gemini.js';
 export { githubCopilotAdapter } from './github-copilot.js';
 export { iflowAdapter } from './iflow.js';
+export { junieAdapter } from './junie.js';
 export { kilocodeAdapter } from './kilocode.js';
 export { kiroAdapter } from './kiro.js';
 export { opencodeAdapter } from './opencode.js';

src/core/command-generation/adapters/junie.ts

@@ -0,0 +1,30 @@
+/**
+ * Junie Command Adapter
+ *
+ * Formats commands for Junie following its frontmatter specification.
+ */
+
+import path from 'path';
+import type { CommandContent, ToolCommandAdapter } from '../types.js';
+
+/**
+ * Junie adapter for command generation.
+ * File path: .junie/commands/opsx-<id>.md
+ * Frontmatter: description
+ */
+export const junieAdapter: ToolCommandAdapter = {
+  toolId: 'junie',
+
+  getFilePath(commandId: string): string {
+    return path.join('.junie', 'commands', `opsx-${commandId}.md`);
+  },
+
+  formatFile(content: CommandContent): string {
+    return `---
+description: ${content.description}
+---
+
+${content.body}
+`;
+  },
+};

src/core/command-generation/registry.ts

@@ -21,6 +21,7 @@ import { factoryAdapter } from './adapters/factory.js';
 import { geminiAdapter } from './adapters/gemini.js';
 import { githubCopilotAdapter } from './adapters/github-copilot.js';
 import { iflowAdapter } from './adapters/iflow.js';
+import { junieAdapter } from './adapters/junie.js';
 import { kilocodeAdapter } from './adapters/kilocode.js';
 import { kiroAdapter } from './adapters/kiro.js';
 import { opencodeAdapter } from './adapters/opencode.js';
@@ -54,6 +55,7 @@ export class CommandAdapterRegistry {
     CommandAdapterRegistry.register(geminiAdapter);
     CommandAdapterRegistry.register(githubCopilotAdapter);
     CommandAdapterRegistry.register(iflowAdapter);
+    CommandAdapterRegistry.register(junieAdapter);
     CommandAdapterRegistry.register(kilocodeAdapter);
     CommandAdapterRegistry.register(kiroAdapter);
     CommandAdapterRegistry.register(opencodeAdapter);

src/core/config.ts

@@ -35,6 +35,7 @@ export const AI_TOOLS: AIToolOption[] = [
   { name: 'Gemini CLI', value: 'gemini', available: true, successLabel: 'Gemini CLI', skillsDir: '.gemini' },
   { name: 'GitHub Copilot', value: 'github-copilot', available: true, successLabel: 'GitHub Copilot', skillsDir: '.github', detectionPaths: ['.github/copilot-instructions.md', '.github/instructions', '.github/workflows/copilot-setup-steps.yml', '.github/prompts', '.github/agents', '.github/skills', '.github/.mcp.json'] },
   { name: 'iFlow', value: 'iflow', available: true, successLabel: 'iFlow', skillsDir: '.iflow' },
+  { name: 'Junie', value: 'junie', available: true, successLabel: 'Junie', skillsDir: '.junie' },
   { name: 'Kilo Code', value: 'kilocode', available: true, successLabel: 'Kilo Code', skillsDir: '.kilocode' },
   { name: 'Kiro', value: 'kiro', available: true, successLabel: 'Kiro', skillsDir: '.kiro' },
   { name: 'OpenCode', value: 'opencode', available: true, successLabel: 'OpenCode', skillsDir: '.opencode' },

src/core/legacy-cleanup.ts

@@ -54,6 +54,7 @@ export const LEGACY_SLASH_COMMAND_PATHS: Record<string, LegacySlashCommandPatter
   'continue': { type: 'files', pattern: '.continue/prompts/openspec-*.prompt' },
   'antigravity': { type: 'files', pattern: '.agent/workflows/openspec-*.md' },
   'iflow': { type: 'files', pattern: '.iflow/commands/openspec-*.md' },
+  'junie': { type: 'files', pattern: ['.junie/commands/opsx-*.md', '.junie/commands/openspec-*.md'] },
   'qwen': { type: 'files', pattern: '.qwen/commands/openspec-*.toml' },
   'codex': { type: 'files', pattern: '.codex/prompts/openspec-*.md' },
 };

test/core/command-generation/registry.test.ts

@@ -21,6 +21,12 @@ describe('command-generation/registry', () => {
       expect(adapter?.toolId).toBe('windsurf');
     });
 
+    it('should return Junie adapter for "junie"', () => {
+      const adapter = CommandAdapterRegistry.get('junie');
+      expect(adapter).toBeDefined();
+      expect(adapter?.toolId).toBe('junie');
+    });
+
     it('should return undefined for unregistered tool', () => {
       const adapter = CommandAdapterRegistry.get('unknown-tool');
       expect(adapter).toBeUndefined();
@@ -54,6 +60,7 @@ describe('command-generation/registry', () => {
       expect(CommandAdapterRegistry.has('claude')).toBe(true);
       expect(CommandAdapterRegistry.has('cursor')).toBe(true);
       expect(CommandAdapterRegistry.has('windsurf')).toBe(true);
+      expect(CommandAdapterRegistry.has('junie')).toBe(true);
     });
 
     it('should return false for unregistered tools', () => {