Add skills library and plugin configs for Claude, Cursor, Codex, and OpenCode

- Add frontend-dev, fullstack-dev, and android-native-dev skills
- Add plugin configs for Claude Code, Cursor, Codex, and OpenCode
- Add English and Chinese READMEs with installation instructions
- Add .gitignore

.opencode/plugins/minimax-skills.js

@@ -0,0 +1,73 @@
+/**
+ * MiniMax Skills plugin for OpenCode.ai
+ *
+ * Registers the skills directory and injects bootstrap context via system prompt transform.
+ */
+
+import path from 'path';
+import fs from 'fs';
+import os from 'os';
+import { fileURLToPath } from 'url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+export const MiniMaxSkillsPlugin = async () => {
+  const homeDir = os.homedir();
+  const skillsDir = path.resolve(__dirname, '../../skills');
+  const envConfigDir = process.env.OPENCODE_CONFIG_DIR
+    ? path.resolve(process.env.OPENCODE_CONFIG_DIR.replace(/^~/, homeDir))
+    : null;
+  const configDir = envConfigDir || path.join(homeDir, '.config/opencode');
+
+  // Discover available skills by scanning the skills directory
+  const getAvailableSkills = () => {
+    if (!fs.existsSync(skillsDir)) return [];
+    return fs.readdirSync(skillsDir, { withFileTypes: true })
+      .filter(d => d.isDirectory() && fs.existsSync(path.join(skillsDir, d.name, 'SKILL.md')))
+      .map(d => d.name);
+  };
+
+  const getBootstrapContent = () => {
+    const skills = getAvailableSkills();
+    if (skills.length === 0) return null;
+
+    const skillList = skills.map(s => `- \`${s}\``).join('\n');
+
+    return `<IMPORTANT>
+You have MiniMax Skills available.
+
+**Available skills:**
+${skillList}
+
+**Tool Mapping for OpenCode:**
+When skills reference tools you don't have, substitute OpenCode equivalents:
+- \`TodoWrite\` → \`todowrite\`
+- \`Task\` tool with subagents → Use OpenCode's subagent system (@mention)
+- \`Skill\` tool → OpenCode's native \`skill\` tool
+- \`Read\`, \`Write\`, \`Edit\`, \`Bash\` → Your native tools
+
+**Skills location:**
+MiniMax skills are in \`${configDir}/skills/minimax-skills/\`
+Use OpenCode's native \`skill\` tool to list and load skills.
+</IMPORTANT>`;
+  };
+
+  return {
+    // Inject skills path into live config so OpenCode discovers skills
+    config: async (config) => {
+      config.skills = config.skills || {};
+      config.skills.paths = config.skills.paths || [];
+      if (!config.skills.paths.includes(skillsDir)) {
+        config.skills.paths.push(skillsDir);
+      }
+    },
+
+    // Use system prompt transform to inject bootstrap
+    'experimental.chat.system.transform': async (_input, output) => {
+      const bootstrap = getBootstrapContent();
+      if (bootstrap) {
+        (output.system ||= []).push(bootstrap);
+      }
+    }
+  };
+};