feat: add zed install target

scripts/lib/harness-adapter-compliance.js

@@ -170,23 +170,30 @@ const ADAPTER_RECORDS = Object.freeze([
     ],
   },
   {
-    id: 'zed-adjacent',
-    harness: 'Zed-adjacent workflows',
-    state: 'Instruction-backed',
+    id: 'zed',
+    harness: 'Zed',
+    state: 'Adapter-backed',
     supported_assets: [
+      'Zed project settings',
+      'flattened project rules',
       'shared skills',
-      '`AGENTS.md` style project instructions',
-      'verification loops',
+      'commands',
+      'agents',
     ],
-    unsupported_surfaces: ['Zed agent surfaces vary; no first-party ECC installer is shipped today'],
-    install_or_onramp: ['Manual copy from shared ECC sources until adapter requirements settle'],
-    verification_commands: ['`npm run harness:audit -- --format json`'],
-    risk_notes: ['Do not claim native Zed support before a real adapter and verification path exist.'],
-    last_verified_at: '2026-05-12',
+    unsupported_surfaces: ['Zed external agents and native Agent Panel permissions are not Claude hooks'],
+    install_or_onramp: ['`./install.sh --profile minimal --target zed`'],
+    verification_commands: [
+      '`node tests/lib/install-targets.test.js`',
+      '`npm run harness:audit -- --format json`',
+    ],
+    risk_notes: ['Keep project settings conservative and do not copy BYOK/OpenRouter secrets into `.zed/`.'],
+    last_verified_at: '2026-05-17',
     owner: 'ECC maintainers',
     source_docs: [
-      'AGENTS.md',
+      '.zed/settings.json',
+      'scripts/lib/install-targets/zed-project.js',
       'docs/architecture/cross-harness.md',
+      'tests/lib/install-targets.test.js',
     ],
   },
   {

scripts/lib/install-manifests.js

@@ -4,7 +4,7 @@ const path = require('path');
 const { getInstallTargetAdapter, planInstallTargetScaffold } = require('./install-targets/registry');
 
 const DEFAULT_REPO_ROOT = path.join(__dirname, '../..');
-const SUPPORTED_INSTALL_TARGETS = ['claude', 'cursor', 'antigravity', 'codex', 'gemini', 'opencode', 'codebuddy', 'joycode', 'qwen'];
+const SUPPORTED_INSTALL_TARGETS = ['claude', 'cursor', 'antigravity', 'codex', 'gemini', 'opencode', 'codebuddy', 'joycode', 'qwen', 'zed'];
 const COMPONENT_FAMILY_PREFIXES = {
   baseline: 'baseline:',
   language: 'lang:',
@@ -35,6 +35,13 @@ const LEGACY_COMPAT_BASE_MODULE_IDS_BY_TARGET = Object.freeze({
     'agents-core',
     'commands-core',
   ],
+  zed: [
+    'rules-core',
+    'agents-core',
+    'commands-core',
+    'platform-configs',
+    'workflow-quality',
+  ],
 });
 const LEGACY_LANGUAGE_ALIAS_TO_CANONICAL = Object.freeze({
   c: 'c',

scripts/lib/install-targets/helpers.js

@@ -11,6 +11,7 @@ const PLATFORM_SOURCE_PATH_OWNERS = Object.freeze({
   '.opencode': 'opencode',
   '.codebuddy': 'codebuddy',
   '.qwen': 'qwen',
+  '.zed': 'zed',
 });
 
 function normalizeRelativePath(relativePath) {

scripts/lib/install-targets/registry.js

@@ -7,6 +7,7 @@ const geminiProject = require('./gemini-project');
 const joycodeProject = require('./joycode-project');
 const opencodeHome = require('./opencode-home');
 const qwenHome = require('./qwen-home');
+const zedProject = require('./zed-project');
 
 const ADAPTERS = Object.freeze([
   claudeHome,
@@ -18,6 +19,7 @@ const ADAPTERS = Object.freeze([
   codebuddyProject,
   joycodeProject,
   qwenHome,
+  zedProject,
 ]);
 
 function listInstallTargetAdapters() {

scripts/lib/install-targets/zed-project.js

@@ -0,0 +1,50 @@
+const path = require('path');
+
+const {
+  createFlatRuleOperations,
+  createInstallTargetAdapter,
+  isForeignPlatformPath,
+} = require('./helpers');
+
+module.exports = createInstallTargetAdapter({
+  id: 'zed-project',
+  target: 'zed',
+  kind: 'project',
+  rootSegments: ['.zed'],
+  installStatePathSegments: ['ecc-install-state.json'],
+  nativeRootRelativePath: '.zed',
+  planOperations(input, adapter) {
+    const modules = Array.isArray(input.modules)
+      ? input.modules
+      : (input.module ? [input.module] : []);
+    const {
+      repoRoot,
+      projectRoot,
+      homeDir,
+    } = input;
+    const planningInput = {
+      repoRoot,
+      projectRoot,
+      homeDir,
+    };
+    const targetRoot = adapter.resolveRoot(planningInput);
+
+    return modules.flatMap(module => {
+      const paths = Array.isArray(module.paths) ? module.paths : [];
+      return paths
+        .filter(p => !isForeignPlatformPath(p, adapter.target))
+        .flatMap(sourceRelativePath => {
+          if (sourceRelativePath === 'rules') {
+            return createFlatRuleOperations({
+              moduleId: module.id,
+              repoRoot,
+              sourceRelativePath,
+              destinationDir: path.join(targetRoot, 'rules'),
+            });
+          }
+
+          return [adapter.createScaffoldOperation(module.id, sourceRelativePath, planningInput)];
+        });
+    });
+  },
+});