feat: add support for opencode slash command generator (#20)

* feat: add support for opencode slash command generator

* fix: update project path to use '.opencode'

* fix(test): update config directory for corresponding test

---------

Co-authored-by: grant.esparza <grant.esparza@daicompanies.com>

Author: gesparza3

docs/slash-command-generator.md

@@ -6,7 +6,7 @@ The Slash Command Generator automates the creation of slash command files for AI
 
 The generator reads markdown prompts from the `prompts/` directory and produces command files in the appropriate format for each configured AI assistant. It supports:
 
-- **Multiple agents**: 6 supported AI assistants with different command formats
+- **Multiple agents**: 7 supported AI assistants with different command formats
 - **Auto-detection**: Automatically detects configured agents in your workspace
 - **Dry run mode**: Preview changes without writing files
 - **Safe overwrite handling**: Prompts before overwriting existing files with backup support
@@ -193,6 +193,7 @@ The following agents are supported:
 | `codex-cli` | Codex CLI | Markdown | `.md` | `.codex/prompts` | [Home](https://developers.openai.com/codex) · [Docs](https://developers.openai.com/codex/cli/) |
 | `cursor` | Cursor | Markdown | `.md` | `.cursor/commands` | [Home](https://cursor.com/) · [Docs](https://cursor.com/docs) |
 | `gemini-cli` | Gemini CLI | TOML | `.toml` | `.gemini/commands` | [Home](https://github.com/google-gemini/gemini-cli) · [Docs](https://geminicli.com/docs/) |
+| `opencode` | OpenCode CLI | Markdown | `.md` | `.config/opencode/command` | [Home](https://opencode.ai) · [Docs](https://opencode.ai/docs/commands) |
 | `vs-code` | VS Code | Markdown | `.prompt.md` | `.config/Code/User/prompts` | [Home](https://code.visualstudio.com/) · [Docs](https://code.visualstudio.com/docs) |
 | `windsurf` | Windsurf | Markdown | `.md` | `.codeium/windsurf/global_workflows` | [Home](https://windsurf.com/editor) · [Docs](https://docs.windsurf.com/) |
 
@@ -284,6 +285,7 @@ Generated files are placed in agent-specific directories:
 .codex/prompts/                # Codex CLI
 .cursor/commands/              # Cursor
 .gemini/commands/              # Gemini CLI
+.config/opencode/command/      # OpenCode CLI
 .codeium/windsurf/global_workflows/  # Windsurf
 ```
 

slash_commands/config.py

@@ -59,6 +59,14 @@ def iter_detection_dirs(self) -> Iterable[str]:
         ".md",
         (".codeium", ".codeium/windsurf"),
     ),
+    (
+        "opencode",
+        "OpenCode CLI",
+        ".config/opencode/command",
+        CommandFormat.MARKDOWN,
+        ".md",
+        (".opencode",),
+    ),
 )
 
 _SORTED_AGENT_DATA = tuple(sorted(_SUPPORTED_AGENT_DATA, key=lambda item: item[0]))

tests/test_config.py

@@ -39,6 +39,13 @@
         "command_file_extension": ".toml",
         "detection_dirs": (".gemini",),
     },
+    "opencode": {
+        "display_name": "OpenCode CLI",
+        "command_dir": ".config/opencode/command",
+        "command_format": CommandFormat.MARKDOWN,
+        "command_file_extension": ".md",
+        "detection_dirs": (".opencode",),
+    },
     "vs-code": {
         "display_name": "VS Code",
         "command_dir": ".config/Code/User/prompts",
@@ -128,7 +135,7 @@ def test_supported_agents_include_all_markdown_and_toml_formats(
         for agent in supported_agents_by_key.values()
         if agent.command_format is CommandFormat.TOML
     ]
-    assert len(markdown_agents) == 5
+    assert len(markdown_agents) == 6
     assert len(toml_agents) == 1
 
 
@@ -149,6 +156,8 @@ def test_detection_dirs_cover_command_directory_roots(
                     ".codeium" in agent.detection_dirs
                     or ".codeium/windsurf" in agent.detection_dirs
                 )
+            elif agent.key == "opencode":
+                assert ".opencode" in agent.detection_dirs
             else:
                 assert command_root in agent.detection_dirs
         else: