Fix stdin raw mode error using temp file and shell redirection

Replace stdin piping with temp file and shell input redirection to avoid
Ink raw mode errors when running Claude non-interactively. This allows
Claude to use file editing tools without stdin TTY requirements.

Author: jdalton

scripts/claude.mjs

@@ -3308,20 +3308,20 @@ Fix all CI failures now by making the necessary changes.`
         }, 10_000)
 
         try {
+          // Write prompt to temp file to avoid stdin raw mode issues
+          const tmpFile = path.join(rootPath, `.claude-fix-${Date.now()}.txt`)
+          await fs.writeFile(tmpFile, fixPrompt, 'utf8')
+
           const fixArgs = prepareClaudeArgs([], opts)
+          // Use shell input redirection to pass prompt without stdin pipe
+          const shellCmd = `${claudeCmd} ${fixArgs.join(' ')} < "${tmpFile}"`
           const exitCode = await new Promise((resolve, _reject) => {
-            const child = spawn(claudeCmd, fixArgs, {
-              stdio: ['pipe', 'inherit', 'inherit'],
+            const child = spawn(shellCmd, [], {
+              stdio: 'inherit',
               cwd: rootPath,
-              ...(WIN32 && { shell: true }),
+              shell: true,
             })
 
-            // Write the fix prompt to stdin
-            if (fixPrompt) {
-              child.stdin.write(fixPrompt)
-              child.stdin.end()
-            }
-
             child.on('exit', code => {
               resolve(code || 0)
             })
@@ -3330,6 +3330,12 @@ Fix all CI failures now by making the necessary changes.`
               resolve(1)
             })
           })
+
+          // Clean up temp file
+          try {
+            await fs.unlink(tmpFile)
+          } catch {}
+
           if (exitCode !== 0) {
             log.warn(`Claude fix exited with code ${exitCode}`)
           }
@@ -3513,20 +3519,20 @@ Fix the failure now by making the necessary changes.`
               }, 10_000)
 
               try {
+                // Write prompt to temp file to avoid stdin raw mode issues
+                const tmpFile = path.join(rootPath, `.claude-fix-${Date.now()}.txt`)
+                await fs.writeFile(tmpFile, fixPrompt, 'utf8')
+
                 const fixArgs = prepareClaudeArgs([], opts)
+                // Use shell input redirection to pass prompt without stdin pipe
+                const shellCmd = `${claudeCmd} ${fixArgs.join(' ')} < "${tmpFile}"`
                 const exitCode = await new Promise((resolve, _reject) => {
-                  const child = spawn(claudeCmd, fixArgs, {
-                    stdio: ['pipe', 'inherit', 'inherit'],
+                  const child = spawn(shellCmd, [], {
+                    stdio: 'inherit',
                     cwd: rootPath,
-                    ...(WIN32 && { shell: true }),
+                    shell: true,
                   })
 
-                  // Write the fix prompt to stdin
-                  if (fixPrompt) {
-                    child.stdin.write(fixPrompt)
-                    child.stdin.end()
-                  }
-
                   child.on('exit', code => {
                     resolve(code || 0)
                   })
@@ -3535,6 +3541,12 @@ Fix the failure now by making the necessary changes.`
                     resolve(1)
                   })
                 })
+
+                // Clean up temp file
+                try {
+                  await fs.unlink(tmpFile)
+                } catch {}
+
                 if (exitCode !== 0) {
                   log.warn(`Claude fix exited with code ${exitCode}`)
                 }