fix: namespace claude managed install paths

scripts/install-apply.js

@@ -27,7 +27,7 @@ Usage: install.sh [--target <${LEGACY_INSTALL_TARGETS.join('|')}>] [--dry-run] [
        install.sh [--dry-run] [--json] --config <path>
 
 Targets:
-  claude       (default) - Install ECC into ~/.claude/ (hooks, commands, agents, rules, skills)
+  claude       (default) - Install ECC into ~/.claude/ with managed rules/skills under rules/ecc and skills/ecc
   cursor       - Install rules, hooks, and bundled Cursor configs to ./.cursor/
   antigravity  - Install rules, workflows, skills, and agents to ./.agent/
 

scripts/lib/install-executor.js

@@ -14,6 +14,7 @@ const {
 const { getInstallTargetAdapter } = require('./install-targets/registry');
 
 const LANGUAGE_NAME_PATTERN = /^[a-zA-Z0-9_-]+$/;
+const CLAUDE_ECC_NAMESPACE = 'ecc';
 const EXCLUDED_GENERATED_SOURCE_SUFFIXES = [
   '/ecc-install-state.json',
   '/ecc/install-state.json',
@@ -264,7 +265,7 @@ function isDirectoryNonEmpty(dirPath) {
 function planClaudeLegacyInstall(context) {
   const adapter = getInstallTargetAdapter('claude');
   const targetRoot = adapter.resolveRoot({ homeDir: context.homeDir });
-  const rulesDir = context.claudeRulesDir || path.join(targetRoot, 'rules');
+  const rulesDir = context.claudeRulesDir || path.join(targetRoot, 'rules', CLAUDE_ECC_NAMESPACE);
   const installStatePath = adapter.getInstallStatePath({ homeDir: context.homeDir });
   const operations = [];
   const warnings = [];

scripts/lib/install-targets/claude-home.js

@@ -1,4 +1,46 @@
-const { createInstallTargetAdapter } = require('./helpers');
+const path = require('path');
+
+const {
+  createInstallTargetAdapter,
+  createRemappedOperation,
+  isForeignPlatformPath,
+  normalizeRelativePath,
+} = require('./helpers');
+
+const CLAUDE_ECC_NAMESPACE = 'ecc';
+
+function getClaudeManagedDestinationPath(adapter, sourceRelativePath, input) {
+  const normalizedSourcePath = normalizeRelativePath(sourceRelativePath);
+  const targetRoot = adapter.resolveRoot(input);
+
+  if (normalizedSourcePath === 'rules') {
+    return path.join(targetRoot, 'rules', CLAUDE_ECC_NAMESPACE);
+  }
+
+  if (normalizedSourcePath.startsWith('rules/')) {
+    return path.join(
+      targetRoot,
+      'rules',
+      CLAUDE_ECC_NAMESPACE,
+      normalizedSourcePath.slice('rules/'.length)
+    );
+  }
+
+  if (normalizedSourcePath === 'skills') {
+    return path.join(targetRoot, 'skills', CLAUDE_ECC_NAMESPACE);
+  }
+
+  if (normalizedSourcePath.startsWith('skills/')) {
+    return path.join(
+      targetRoot,
+      'skills',
+      CLAUDE_ECC_NAMESPACE,
+      normalizedSourcePath.slice('skills/'.length)
+    );
+  }
+
+  return null;
+}
 
 module.exports = createInstallTargetAdapter({
   id: 'claude-home',
@@ -7,4 +49,39 @@ module.exports = createInstallTargetAdapter({
   rootSegments: ['.claude'],
   installStatePathSegments: ['ecc', 'install-state.json'],
   nativeRootRelativePath: '.claude-plugin',
+  planOperations(input, adapter) {
+    const modules = Array.isArray(input.modules)
+      ? input.modules
+      : (input.module ? [input.module] : []);
+    const planningInput = {
+      repoRoot: input.repoRoot,
+      projectRoot: input.projectRoot,
+      homeDir: input.homeDir,
+    };
+
+    return modules.flatMap(module => {
+      const paths = Array.isArray(module.paths) ? module.paths : [];
+      return paths
+        .filter(p => !isForeignPlatformPath(p, adapter.target))
+        .map(sourceRelativePath => {
+          const managedDestinationPath = getClaudeManagedDestinationPath(
+            adapter,
+            sourceRelativePath,
+            planningInput
+          );
+
+          if (managedDestinationPath) {
+            return createRemappedOperation(
+              adapter,
+              module.id,
+              sourceRelativePath,
+              managedDestinationPath,
+              { strategy: 'preserve-relative-path' }
+            );
+          }
+
+          return adapter.createScaffoldOperation(module.id, sourceRelativePath, planningInput);
+        });
+    });
+  },
 });