Revert "feat(ecc): prune plugin 43→12 items, promote 7 rules to .claude/rules/ (#245)"

This reverts commit 1bd68ff534.

.opencode/tools/run-tests.ts

@@ -0,0 +1,139 @@
+/**
+ * Run Tests Tool
+ *
+ * Custom OpenCode tool to run test suites with various options.
+ * Automatically detects the package manager and test framework.
+ */
+
+import { tool } from "@opencode-ai/plugin/tool"
+import * as path from "path"
+import * as fs from "fs"
+
+export default tool({
+  description:
+    "Run the test suite with optional coverage, watch mode, or specific test patterns. Automatically detects package manager (npm, pnpm, yarn, bun) and test framework.",
+  args: {
+    pattern: tool.schema
+      .string()
+      .optional()
+      .describe("Test file pattern or specific test name to run"),
+    coverage: tool.schema
+      .boolean()
+      .optional()
+      .describe("Run with coverage reporting (default: false)"),
+    watch: tool.schema
+      .boolean()
+      .optional()
+      .describe("Run in watch mode for continuous testing (default: false)"),
+    updateSnapshots: tool.schema
+      .boolean()
+      .optional()
+      .describe("Update Jest/Vitest snapshots (default: false)"),
+  },
+  async execute(args, context) {
+    const { pattern, coverage, watch, updateSnapshots } = args
+    const cwd = context.worktree || context.directory
+
+    // Detect package manager
+    const packageManager = await detectPackageManager(cwd)
+
+    // Detect test framework
+    const testFramework = await detectTestFramework(cwd)
+
+    // Build command
+    let cmd: string[] = [packageManager]
+
+    if (packageManager === "npm") {
+      cmd.push("run", "test")
+    } else {
+      cmd.push("test")
+    }
+
+    // Add options based on framework
+    const testArgs: string[] = []
+
+    if (coverage) {
+      testArgs.push("--coverage")
+    }
+
+    if (watch) {
+      testArgs.push("--watch")
+    }
+
+    if (updateSnapshots) {
+      testArgs.push("-u")
+    }
+
+    if (pattern) {
+      if (testFramework === "jest" || testFramework === "vitest") {
+        testArgs.push("--testPathPattern", pattern)
+      } else {
+        testArgs.push(pattern)
+      }
+    }
+
+    // Add -- separator for npm
+    if (testArgs.length > 0) {
+      if (packageManager === "npm") {
+        cmd.push("--")
+      }
+      cmd.push(...testArgs)
+    }
+
+    const command = cmd.join(" ")
+
+    return JSON.stringify({
+      command,
+      packageManager,
+      testFramework,
+      options: {
+        pattern: pattern || "all tests",
+        coverage: coverage || false,
+        watch: watch || false,
+        updateSnapshots: updateSnapshots || false,
+      },
+      instructions: `Run this command to execute tests:\n\n${command}`,
+    })
+  },
+})
+
+async function detectPackageManager(cwd: string): Promise<string> {
+  const lockFiles: Record<string, string> = {
+    "bun.lockb": "bun",
+    "pnpm-lock.yaml": "pnpm",
+    "yarn.lock": "yarn",
+    "package-lock.json": "npm",
+  }
+
+  for (const [lockFile, pm] of Object.entries(lockFiles)) {
+    if (fs.existsSync(path.join(cwd, lockFile))) {
+      return pm
+    }
+  }
+
+  return "npm"
+}
+
+async function detectTestFramework(cwd: string): Promise<string> {
+  const packageJsonPath = path.join(cwd, "package.json")
+
+  if (fs.existsSync(packageJsonPath)) {
+    try {
+      const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, "utf-8"))
+      const deps = {
+        ...packageJson.dependencies,
+        ...packageJson.devDependencies,
+      }
+
+      if (deps.vitest) return "vitest"
+      if (deps.jest) return "jest"
+      if (deps.mocha) return "mocha"
+      if (deps.ava) return "ava"
+      if (deps.tap) return "tap"
+    } catch {
+      // Ignore parse errors
+    }
+  }
+
+  return "unknown"
+}