diff --git a/agents/instructions.ts b/agents/instructions.ts
index 7aabc57..5eabdd2 100644
--- a/agents/instructions.ts
+++ b/agents/instructions.ts
@@ -85,6 +85,7 @@ function buildRuntimeContext({ repo, prepResults }: BuildRuntimeContextParams):
 
   // working directory
   lines.push(`working_directory: ${process.cwd()}`);
+  lines.push(`log_level: ${process.env.LOG_LEVEL}`);
 
   // git status (try to get it, but don't fail if git isn't available)
   try {
diff --git a/agents/opencode.ts b/agents/opencode.ts
index 80f7367..ba8be5c 100644
--- a/agents/opencode.ts
+++ b/agents/opencode.ts
@@ -73,6 +73,7 @@ export const opencode = agent({
     const startTime = Date.now();
     let lastActivityTime = startTime;
     let eventCount = 0;
+    let stdoutBuffer = "";
 
     let output = "";
     const result = await spawn({
@@ -83,13 +84,15 @@ export const opencode = agent({
       timeout: 600000, // 10 minutes timeout to prevent infinite hangs
       stdio: ["ignore", "pipe", "pipe"],
       onStdout: async (chunk) => {
-        const parsed = JSON.parse(chunk);
-        log.debug(JSON.stringify(parsed, null, 2));
         const text = chunk.toString();
         output += text;
+        stdoutBuffer += text;
+
+        // parse each complete line as JSON (opencode outputs one JSON object per line)
+        const lines = stdoutBuffer.split("\n");
+        // keep the last (potentially incomplete) line in the buffer
+        stdoutBuffer = lines.pop() || "";
 
-        // parse each line as JSON (opencode outputs one JSON object per line)
-        const lines = text.split("\n");
         for (const line of lines) {
           const trimmed = line.trim();
           if (!trimmed) {
@@ -98,6 +101,7 @@ export const opencode = agent({
 
           try {
             const event = JSON.parse(trimmed) as OpenCodeEvent;
+            log.debug(JSON.stringify(event, null, 2));
             eventCount++;
             const timeSinceLastActivity = Date.now() - lastActivityTime;
             if (timeSinceLastActivity > 10000) {
diff --git a/entry b/entry
index 0122338..7ae6366 100755
--- a/entry
+++ b/entry
@@ -89578,6 +89578,7 @@ function formatPrepResults(results) {
 function buildRuntimeContext({ repo, prepResults }) {
   const lines = [];
   lines.push(`working_directory: ${process.cwd()}`);
+  lines.push(`log_level: ${process.env.LOG_LEVEL}`);
   try {
     const gitStatus = execSync("git status --short", { encoding: "utf-8", stdio: "pipe" }).trim();
     lines.push(`git_status: ${gitStatus || "(clean)"}`);
@@ -91298,6 +91299,7 @@ var opencode = agent({
     const startTime = Date.now();
     let lastActivityTime = startTime;
     let eventCount = 0;
+    let stdoutBuffer = "";
     let output = "";
     const result = await spawn4({
       cmd: cliPath,
@@ -91308,11 +91310,11 @@ var opencode = agent({
       // 10 minutes timeout to prevent infinite hangs
       stdio: ["ignore", "pipe", "pipe"],
       onStdout: async (chunk) => {
-        const parsed2 = JSON.parse(chunk);
-        log.debug(JSON.stringify(parsed2, null, 2));
         const text = chunk.toString();
         output += text;
-        const lines = text.split("\n");
+        stdoutBuffer += text;
+        const lines = stdoutBuffer.split("\n");
+        stdoutBuffer = lines.pop() || "";
         for (const line of lines) {
           const trimmed = line.trim();
           if (!trimmed) {
@@ -91320,6 +91322,7 @@ var opencode = agent({
           }
           try {
             const event = JSON.parse(trimmed);
+            log.debug(JSON.stringify(event, null, 2));
             eventCount++;
             const timeSinceLastActivity = Date.now() - lastActivityTime;
             if (timeSinceLastActivity > 1e4) {