fix: redirect npm install output to stderr for visibility

NPM often silences stdout for global installs. By writing progress
and tool output to stderr, we ensure the user sees the installation
status and the help menu immediately after install.

Co-Authored-By: Grey Newell <greyshipscode@gmail.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Made-with: Cursor

Author: greynewell

npm/install.js

@@ -125,7 +125,6 @@ async function main() {
   const destPath = path.join(binDir, binaryName);
 
   if (fs.existsSync(destPath)) {
-    console.log(`[uncompact] Binary already exists at ${destPath}`);
     return;
   }
 
@@ -134,30 +133,31 @@ async function main() {
   try {
     release = await getRelease(version);
   } catch (err) {
-    console.error(`[uncompact] Failed to fetch release: ${err.message}`);
-    console.error(`[uncompact] You can install manually: go install github.com/${REPO_OWNER}/${REPO_NAME.toLowerCase()}@latest`);
+    process.stderr.write(`[uncompact] Failed to fetch release: ${err.message}\n`);
+    process.stderr.write(`[uncompact] You can install manually: go install github.com/${REPO_OWNER}/${REPO_NAME.toLowerCase()}@latest\n`);
     process.exit(0);
   }
 
   const asset = release.assets.find((a) => a.name === assetName);
   if (!asset) {
-    console.error(`[uncompact] No binary found for ${platform}/${arch} in release ${release.tag_name}`);
-    console.error(`[uncompact] Available assets: ${release.assets.map((a) => a.name).join(", ")}`);
-    console.error(`[uncompact] You can install manually: go install github.com/${REPO_OWNER}/${REPO_NAME.toLowerCase()}@latest`);
+    process.stderr.write(`[uncompact] No binary found for ${platform}/${arch} in release ${release.tag_name}\n`);
+    process.stderr.write(`[uncompact] Available assets: ${release.assets.map((a) => a.name).join(", ")}\n`);
+    process.stderr.write(`[uncompact] You can install manually: go install github.com/${REPO_OWNER}/${REPO_NAME.toLowerCase()}@latest\n`);
     process.exit(0);
   }
 
-  console.log(`[uncompact] Downloading ${asset.name}...`);
+  process.stderr.write(`[uncompact] Installing ${BINARY_NAME} ${release.tag_name} for ${platform}/${arch}...\n`);
+  process.stderr.write(`[uncompact] Downloading ${asset.name}...\n`);
 
   let buffer;
   try {
     buffer = await httpsGet(asset.browser_download_url);
   } catch (err) {
-    console.error(`[uncompact] Failed to download: ${err.message}`);
+    process.stderr.write(`[uncompact] Failed to download: ${err.message}\n`);
     process.exit(0);
   }
 
-  console.log(`[uncompact] Extracting...`);
+  process.stderr.write(`[uncompact] Extracting...\n`);
 
   try {
     if (platform === "windows") {
@@ -166,30 +166,31 @@ async function main() {
       extractTarGz(buffer, binDir, binaryName);
     }
   } catch (err) {
-    console.error(`[uncompact] Failed to extract: ${err.message}`);
+    process.stderr.write(`[uncompact] Failed to extract: ${err.message}\n`);
     process.exit(0);
   }
 
   if (platform !== "windows") {
     fs.chmodSync(destPath, 0o755);
   }
 
-  console.log(`[uncompact] Installed to ${destPath}`);
-  console.log();
+  process.stderr.write(`[uncompact] Installed to ${destPath}\n\n`);
 
   // Automatically install Claude Code hooks
-  console.log("[uncompact] Configuring Claude Code hooks...");
+  process.stderr.write("[uncompact] Configuring Claude Code hooks...\n");
   try {
-    execFileSync(destPath, ["install", "--yes"], { stdio: "inherit" });
+    // We redirect stdout to stderr to ensure visibility during npm install
+    execFileSync(destPath, ["install", "--yes"], { stdio: ["inherit", process.stderr, "inherit"] });
   } catch (err) {
-    console.error("[uncompact] Failed to automatically configure hooks. You can run it manually:");
-    console.error("  uncompact install");
+    process.stderr.write("[uncompact] Failed to automatically configure hooks. You can run it manually:\n");
+    process.stderr.write("  uncompact install\n");
   }
-  console.log();
+  process.stderr.write("\n");
 
   // Show help output after install
   try {
-    execFileSync(destPath, [], { stdio: "inherit" });
+    // We redirect stdout to stderr to ensure visibility during npm install
+    execFileSync(destPath, [], { stdio: ["inherit", process.stderr, "inherit"] });
   } catch (err) {
     // Ignore errors from running the binary itself
   }