fix: base url config

- Bump claude-agent-sdk from 0.2.59 to 0.2.116
- Forward process.env to SDK subprocess so ANTHROPIC_BASE_URL and other env vars work
- Add claude-opus-4-6 as a distinct mode

package.json

@@ -65,7 +65,7 @@
   "author": "CloudCLI UI Contributors",
   "license": "AGPL-3.0-or-later",
   "dependencies": {
-    "@anthropic-ai/claude-agent-sdk": "^0.2.59",
+    "@anthropic-ai/claude-agent-sdk": "^0.2.116",
     "@codemirror/lang-css": "^6.3.1",
     "@codemirror/lang-html": "^6.4.9",
     "@codemirror/lang-javascript": "^6.2.4",

server/claude-sdk.js

@@ -149,9 +149,15 @@ function mapCliOptionsToSDK(options = {}) {
 
   const sdkOptions = {};
 
-  if (process.env.CLAUDE_CLI_PATH) {
-    sdkOptions.pathToClaudeCodeExecutable = process.env.CLAUDE_CLI_PATH;
-  }
+  // Forward all host env vars (e.g. ANTHROPIC_BASE_URL) to the subprocess.
+  // Since SDK 0.2.113, options.env replaces process.env instead of overlaying it.
+  sdkOptions.env = { ...process.env };
+
+  // Use CLAUDE_CLI_PATH if explicitly set, otherwise fall back to 'claude' on PATH.
+  // The SDK 0.2.113+ looks for a bundled native binary optional dep by default;
+  // this fallback ensures users who installed via the official installer still work
+  // even when npm prune --production has removed those optional deps.
+  sdkOptions.pathToClaudeCodeExecutable = process.env.CLAUDE_CLI_PATH || 'claude';
 
   // Map working directory
   if (cwd) {

server/tsconfig.json

@@ -4,10 +4,13 @@
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
     "lib": ["ES2022"],
-    "baseUrl": ".",
+    // baseUrl is the project root (one level above this config file) so that tsc-alias
+    // resolves @/ imports relative to the compiled output structure in dist-server/server/.
+    // With rootDir ".." tsc emits server files under dist-server/server/, so paths must
+    // include the "server/" prefix to match that layout.
+    "baseUrl": "..",
     "paths": {
-      // In the backend config, "@" maps to the /server directory itself.
-      "@/*": ["*"]
+      "@/*": ["server/*"]
     },
     // The backend is still mostly JavaScript today, so allowJs lets us add a real
     // TypeScript build without forcing a large rename before the tooling is usable.

shared/modelConstants.js

@@ -16,6 +16,7 @@ export const CLAUDE_MODELS = {
     { value: "sonnet", label: "Sonnet" },
     { value: "opus", label: "Opus" },
     { value: "haiku", label: "Haiku" },
+    { value: "claude-opus-4-6", label: "Opus 4.6" },
     { value: "opusplan", label: "Opus Plan" },
     { value: "sonnet[1m]", label: "Sonnet [1M]" },
     { value: "opus[1m]", label: "Opus [1M]" },