diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 4108fb2..a804f68 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -23,6 +23,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/configure-pages@v5
+        with:
+          enablement: true
       - uses: actions/upload-pages-artifact@v3
         with:
           path: public/
diff --git a/src/server/cliRunner.js b/src/server/cliRunner.js
index 1338ef9..c2b16f0 100644
--- a/src/server/cliRunner.js
+++ b/src/server/cliRunner.js
@@ -62,7 +62,12 @@ function runProcess(binary, args, timeoutMs) {
     const child = spawn(binary, args, {
       shell: false,
       windowsHide: true,
-      env: process.env
+      env: {
+        PATH: process.env.PATH,
+        HOME: process.env.HOME,
+        LANG: process.env.LANG,
+        TERM: process.env.TERM
+      }
     });
 
     let stdout = '';
diff --git a/src/server/gammaClient.js b/src/server/gammaClient.js
index 452f135..0f2b801 100644
--- a/src/server/gammaClient.js
+++ b/src/server/gammaClient.js
@@ -10,7 +10,16 @@ async function fetchJson(url) {
       headers: { Accept: 'application/json' }
     });
     const text = await response.text();
-    const data = text ? JSON.parse(text) : {};
+    let data = {};
+    if (text) {
+      try {
+        data = JSON.parse(text);
+      } catch {
+        throw new Error(
+          `Gamma API returned non-JSON response (${response.status}): ${text.slice(0, 200)}`
+        );
+      }
+    }
 
     if (!response.ok) {
       throw new Error(
diff --git a/src/server/ollamaClient.js b/src/server/ollamaClient.js
index fd6bdbf..4329b0f 100644
--- a/src/server/ollamaClient.js
+++ b/src/server/ollamaClient.js
@@ -20,7 +20,16 @@ async function fetchJson(url, options = {}) {
   try {
     const response = await fetch(url, { ...options, signal: controller.signal });
     const text = await response.text();
-    const data = text ? JSON.parse(text) : {};
+    let data = {};
+    if (text) {
+      try {
+        data = JSON.parse(text);
+      } catch {
+        throw new Error(
+          `Ollama returned non-JSON response (${response.status}): ${text.slice(0, 200)}`
+        );
+      }
+    }
 
     if (!response.ok) {
       throw new Error(
diff --git a/src/server/openAiCompatibleClient.js b/src/server/openAiCompatibleClient.js
index 2d8a654..3f4c7c9 100644
--- a/src/server/openAiCompatibleClient.js
+++ b/src/server/openAiCompatibleClient.js
@@ -6,7 +6,16 @@ async function fetchJson(url, options = {}) {
   try {
     const response = await fetch(url, { ...options, signal: controller.signal });
     const text = await response.text();
-    const payload = text ? JSON.parse(text) : {};
+    let payload = {};
+    if (text) {
+      try {
+        payload = JSON.parse(text);
+      } catch {
+        throw new Error(
+          `Provider returned non-JSON response (${response.status}): ${text.slice(0, 200)}`
+        );
+      }
+    }
 
     if (!response.ok) {
       throw new Error(