Add managed TypeScript LSP support

README.md

@@ -51,6 +51,8 @@ The local CaseFile workflow in the UI creates a private case, imports local evid
 
 The Community Hub provides an offline cache for projects, issues, discussions, and marketplace metadata. Sync remains disabled until an encrypted transport is explicitly configured.
 
+The daemon now owns an allowlisted LSP registry. TypeScript language intelligence is available through `languages/manifest.json`; models remain responsible for proposals, not syntax or semantic truth.
+
 ## Status
 
 This is a pre-production engineering release. The Liquid checkpoint is not included until its exact artifact, license, checksum, and evaluation are confirmed. The Qwen weight is downloaded separately from its official repository and should be verified before offline use.

daemon/lsp-manager.mjs

@@ -0,0 +1,48 @@
+import { promises as fs } from 'node:fs';
+import path from 'node:path';
+import { spawn } from 'node:child_process';
+
+export class LspManager {
+  constructor({ manifestPath, workspace, spawnProcess = spawn } = {}) {
+    this.manifestPath = manifestPath;
+    this.workspace = workspace;
+    this.spawnProcess = spawnProcess;
+    this.servers = new Map();
+    this.processes = new Map();
+  }
+
+  async load() {
+    const manifest = JSON.parse(await fs.readFile(this.manifestPath, 'utf8'));
+    this.servers = new Map(manifest.servers.map(server => [server.id, server]));
+    return manifest;
+  }
+
+  status() {
+    return [...this.servers.values()].map(server => ({
+      id: server.id,
+      name: server.name,
+      languages: server.languages,
+      status: this.processes.has(server.id) ? 'running' : server.status
+    }));
+  }
+
+  async start(id) {
+    const server = this.servers.get(id);
+    if (!server) throw new Error('language server is not allowlisted');
+    if (this.processes.has(id)) return { id, status: 'running' };
+    const command = path.resolve(this.workspace, server.command);
+    await fs.access(command).catch(() => { throw new Error(`language server is unavailable: ${command}`); });
+    const child = this.spawnProcess(command, server.args, { cwd: this.workspace, stdio: ['pipe', 'pipe', 'pipe'] });
+    this.processes.set(id, child);
+    child.once('exit', () => this.processes.delete(id));
+    return { id, status: 'starting', languages: server.languages };
+  }
+
+  async stop(id) {
+    const child = this.processes.get(id);
+    if (!child) return { id, status: 'stopped' };
+    child.kill('SIGTERM');
+    this.processes.delete(id);
+    return { id, status: 'stopped' };
+  }
+}

daemon/server.mjs

@@ -4,6 +4,7 @@ import { promises as fs } from 'node:fs';
 import path from 'node:path';
 import { ModelManager } from './model-manager.mjs';
 import { CommunityStore } from '../community/store.mjs';
+import { LspManager } from './lsp-manager.mjs';
 
 const HOST = '127.0.0.1';
 const PORT = Number(process.env.AIDE_DAEMON_PORT || 4777);
@@ -14,6 +15,8 @@ const modelManager = new ModelManager({ manifestPath: MANIFEST, modelDir: MODEL_
 await modelManager.load().catch(() => {});
 const communityStore = new CommunityStore(path.join(WORKSPACE, 'community', 'store.json'));
 await communityStore.load().catch(() => {});
+const lspManager = new LspManager({ manifestPath: path.join(WORKSPACE, 'languages', 'manifest.json'), workspace: WORKSPACE });
+await lspManager.load().catch(() => {});
 
 function json(response, status, body) {
   const payload = JSON.stringify(body);
@@ -75,6 +78,15 @@ const server = http.createServer(async (request, response) => {
     if (request.method === 'GET' && request.url === '/api/community') {
       return json(response, 200, communityStore.list());
     }
+    if (request.method === 'GET' && request.url === '/api/lsp/status') {
+      return json(response, 200, { servers: lspManager.status() });
+    }
+    if (request.method === 'POST' && request.url === '/api/lsp/start') {
+      return json(response, 200, await lspManager.start((await body(request)).id));
+    }
+    if (request.method === 'POST' && request.url === '/api/lsp/stop') {
+      return json(response, 200, await lspManager.stop((await body(request)).id));
+    }
     if (request.method === 'POST' && request.url === '/api/community/items') {
       const input = await body(request);
       return json(response, 201, { item: await communityStore.add(input.type, input.item) });

daemon/test-lsp-manager.mjs

@@ -0,0 +1,16 @@
+import assert from 'node:assert/strict';
+import { mkdtemp, writeFile, mkdir } from 'node:fs/promises';
+import { tmpdir } from 'node:os';
+import path from 'node:path';
+import { LspManager } from './lsp-manager.mjs';
+
+const root = await mkdtemp(path.join(tmpdir(), 'aide-lsp-'));
+await mkdir(path.join(root, 'node_modules', '.bin'), { recursive: true });
+await writeFile(path.join(root, 'languages.json'), JSON.stringify({ servers: [{ id: 'ts', name: 'TS', command: 'node_modules/.bin/tsserver', args: [], languages: ['typescript'], status: 'available' }] }));
+await writeFile(path.join(root, 'node_modules', '.bin', 'tsserver'), '');
+const manager = new LspManager({ manifestPath: path.join(root, 'languages.json'), workspace: root, spawnProcess: () => ({ once() {}, kill() {} }) });
+await manager.load();
+assert.equal(manager.status()[0].status, 'available');
+assert.deepEqual(await manager.start('ts'), { id: 'ts', status: 'starting', languages: ['typescript'] });
+await assert.rejects(manager.start('unknown'), /not allowlisted/);
+console.log('lsp manager test passed');

languages/manifest.json

@@ -0,0 +1,14 @@
+{
+  "schema_version": "1.0",
+  "servers": [
+    {
+      "id": "typescript",
+      "name": "TypeScript Language Server",
+      "command": "node_modules/.bin/typescript-language-server",
+      "args": ["--stdio"],
+      "languages": ["javascript", "javascriptreact", "typescript", "typescriptreact"],
+      "protocol": "LSP",
+      "status": "available"
+    }
+  ]
+}

package-lock.json

@@ -0,0 +1,386 @@
+{
+  "name": "aide-sovereign-workbench",
+  "version": "0.1.0-preflight",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "aide-sovereign-workbench",
+      "version": "0.1.0-preflight",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "typescript": "^7.0.2",
+        "typescript-language-server": "^5.3.0"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
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+      "cpu": [
+        "ppc64"
+      ],
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "aix"
+      ],
+      "engines": {
+        "node": ">=16.20.0"
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+    "node_modules/typescript-language-server": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/typescript-language-server/-/typescript-language-server-5.3.0.tgz",
+      "integrity": "sha512-5puofxZHgFdAYtfNpmwCAvgtaYgg8wrUnH30m7Ze3QuguId5RNRadKASpOpyDxTyUdAF51FjhTdjntLw/EuWcQ==",
+      "license": "Apache-2.0",
+      "bin": {
+        "typescript-language-server": "lib/cli.mjs"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    }
+  }
+}

package.json

@@ -5,12 +5,16 @@
   "description": "Local-first sovereign development workbench",
   "type": "module",
   "scripts": {
-    "test": "node tests/smoke.mjs && node harness/test-orchestrator.mjs && node daemon/test-model-manager.mjs && node daemon/test-community-store.mjs",
+    "test": "node tests/smoke.mjs && node harness/test-orchestrator.mjs && node daemon/test-model-manager.mjs && node daemon/test-community-store.mjs && node daemon/test-lsp-manager.mjs",
     "check": "node --check app.js && node --check daemon/server.mjs && node --check harness/orchestrator.mjs && node --check harness/checks.mjs",
     "veritas": "node harness/run-veritas.mjs"
   },
   "engines": {
     "node": ">=20"
   },
-  "license": "Apache-2.0"
+  "license": "Apache-2.0",
+  "dependencies": {
+    "typescript": "^7.0.2",
+    "typescript-language-server": "^5.3.0"
+  }
 }