diff --git a/agents/claude.ts b/agents/claude.ts
index ee37cb4..0d0881f 100644
--- a/agents/claude.ts
+++ b/agents/claude.ts
@@ -19,7 +19,7 @@ export const claude = agent({
     delete process.env.ANTHROPIC_API_KEY;
 
     const prompt = addInstructions({ payload, prepResults, repo });
-    log.group("Full prompt", () => log.info(prompt));
+    log.group("» Full prompt", () => log.info(prompt));
 
     // configure sandbox mode if enabled
     const sandboxOptions: Options = payload.sandbox
@@ -63,6 +63,7 @@ export const claude = agent({
 
     // Stream the results
     for await (const message of queryInstance) {
+      log.debug(JSON.stringify(message, null, 2));
       const handler = messageHandlers[message.type];
       await handler(message as never);
     }
diff --git a/agents/cursor.ts b/agents/cursor.ts
index 86bec86..ccf0211 100644
--- a/agents/cursor.ts
+++ b/agents/cursor.ts
@@ -167,7 +167,7 @@ export const cursor = agent({
 
     try {
       const fullPrompt = addInstructions({ payload, prepResults, repo });
-      log.group("Full prompt", () => log.info(fullPrompt));
+      log.group("» Full prompt", () => log.info(fullPrompt));
 
       // configure sandbox mode if enabled
       // in sandbox mode: remove --force flag and rely on cli-config.json sandbox settings
@@ -212,6 +212,7 @@ export const cursor = agent({
 
           try {
             const event = JSON.parse(text) as CursorEvent;
+            log.debug(JSON.stringify(event, null, 2));
 
             // skip empty thinking deltas
             if (event.type === "thinking" && event.subtype === "delta" && !event.text) {
@@ -308,7 +309,7 @@ function configureCursorMcpServers({ mcpServers }: ConfigureMcpServersParams) {
   }
 
   writeFileSync(mcpConfigPath, JSON.stringify({ mcpServers: cursorMcpServers }, null, 2), "utf-8");
-  log.info(`MCP config written to ${mcpConfigPath}`);
+  log.info(`» MCP config written to ${mcpConfigPath}`);
 }
 
 /**
@@ -347,5 +348,5 @@ function configureCursorSandbox({ sandbox }: { sandbox: boolean }): void {
       };
 
   writeFileSync(cliConfigPath, JSON.stringify(config, null, 2), "utf-8");
-  log.info(`CLI config written to ${cliConfigPath} (sandbox: ${sandbox})`);
+  log.info(`» CLI config written to ${cliConfigPath} (sandbox: ${sandbox})`);
 }
diff --git a/agents/gemini.ts b/agents/gemini.ts
index f73c2ba..ced7111 100644
--- a/agents/gemini.ts
+++ b/agents/gemini.ts
@@ -162,7 +162,7 @@ export const gemini = agent({
     }
 
     const sessionPrompt = addInstructions({ payload, prepResults, repo });
-    log.group("Full prompt", () => log.info(sessionPrompt));
+    log.group("» Full prompt", () => log.info(sessionPrompt));
 
     // configure sandbox mode if enabled
     // --allowed-tools restricts which tools are available (removes others from registry entirely)
diff --git a/agents/opencode.ts b/agents/opencode.ts
index 497ce94..eed5374 100644
--- a/agents/opencode.ts
+++ b/agents/opencode.ts
@@ -30,7 +30,7 @@ export const opencode = agent({
     configureOpenCode({ mcpServers, sandbox: payload.sandbox ?? false });
 
     const prompt = addInstructions({ payload, prepResults, repo });
-    log.group("Full prompt", () => log.info(prompt));
+    log.group("» Full prompt", () => log.info(prompt));
 
     // message positional must come right after "run", before flags
     const args = ["run", prompt, "--format", "json"];
@@ -105,9 +105,7 @@ export const opencode = agent({
             eventCount++;
 
             // debug log all events to diagnose ordering and missing MCP/bash tool calls
-            log.debug(
-              `» event: type=${event.type} data=${JSON.stringify(event).substring(0, 300)}`
-            );
+            log.debug(JSON.stringify(event, null, 2));
 
             const timeSinceLastActivity = Date.now() - lastActivityTime;
             if (timeSinceLastActivity > 10000) {
@@ -253,7 +251,7 @@ function configureOpenCode({ mcpServers, sandbox }: ConfigureOpenCodeParams): vo
     throw error;
   }
 
-  log.info(`OpenCode config written to ${configPath} (sandbox: ${sandbox})`);
+  log.info(`» OpenCode config written to ${configPath} (sandbox: ${sandbox})`);
   log.debug(`OpenCode config contents:\n${configJson}`);
 }
 
diff --git a/entry b/entry
index 59d2556..c37978c 100755
--- a/entry
+++ b/entry
@@ -19736,10 +19736,10 @@ Support boolean input list: \`true | True | TRUE | false | False | FALSE\``);
       error42(message);
     }
     exports.setFailed = setFailed2;
-    function isDebug() {
+    function isDebug2() {
       return process.env["RUNNER_DEBUG"] === "1";
     }
-    exports.isDebug = isDebug;
+    exports.isDebug = isDebug2;
     function debug(message) {
       (0, command_1.issueCommand)("debug", {}, message);
     }
@@ -80222,7 +80222,7 @@ var package_default = {
 var core = __toESM(require_core(), 1);
 var import_table = __toESM(require_src(), 1);
 var isGitHubActions = !!process.env.GITHUB_ACTIONS;
-var isDebugEnabled = () => process.env.LOG_LEVEL === "debug" || process.env.ACTIONS_STEP_DEBUG === "true";
+var isDebugEnabled = () => process.env.LOG_LEVEL === "debug" || process.env.ACTIONS_STEP_DEBUG === "true" || process.env.RUNNER_DEBUG === "1" || core.isDebug();
 function startGroup2(name) {
   if (isGitHubActions) {
     core.startGroup(name);
@@ -90162,7 +90162,7 @@ var claude = agent({
   run: async ({ payload, mcpServers, apiKey, cliPath, prepResults, repo }) => {
     delete process.env.ANTHROPIC_API_KEY;
     const prompt = addInstructions({ payload, prepResults, repo });
-    log.group("Full prompt", () => log.info(prompt));
+    log.group("\xBB Full prompt", () => log.info(prompt));
     const sandboxOptions = payload.sandbox ? {
       permissionMode: "default",
       disallowedTools: ["Bash", "WebSearch", "WebFetch", "Write"],
@@ -90195,6 +90195,7 @@ var claude = agent({
       }
     });
     for await (const message of queryInstance) {
+      log.debug(JSON.stringify(message, null, 2));
       const handler2 = messageHandlers[message.type];
       await handler2(message);
     }
@@ -90843,7 +90844,7 @@ var cursor = agent({
     };
     try {
       const fullPrompt = addInstructions({ payload, prepResults, repo });
-      log.group("Full prompt", () => log.info(fullPrompt));
+      log.group("\xBB Full prompt", () => log.info(fullPrompt));
       const cursorArgs = payload.sandbox ? [
         "--print",
         fullPrompt,
@@ -90876,6 +90877,7 @@ var cursor = agent({
           stdout += text;
           try {
             const event = JSON.parse(text);
+            log.debug(JSON.stringify(event, null, 2));
             if (event.type === "thinking" && event.subtype === "delta" && !event.text) {
               return;
             }
@@ -90953,7 +90955,7 @@ function configureCursorMcpServers({ mcpServers }) {
     };
   }
   writeFileSync2(mcpConfigPath, JSON.stringify({ mcpServers: cursorMcpServers }, null, 2), "utf-8");
-  log.info(`MCP config written to ${mcpConfigPath}`);
+  log.info(`\xBB MCP config written to ${mcpConfigPath}`);
 }
 function configureCursorSandbox({ sandbox }) {
   const realHome = homedir2();
@@ -90982,7 +90984,7 @@ function configureCursorSandbox({ sandbox }) {
     }
   };
   writeFileSync2(cliConfigPath, JSON.stringify(config3, null, 2), "utf-8");
-  log.info(`CLI config written to ${cliConfigPath} (sandbox: ${sandbox})`);
+  log.info(`\xBB CLI config written to ${cliConfigPath} (sandbox: ${sandbox})`);
 }
 
 // agents/gemini.ts
@@ -91153,7 +91155,7 @@ var gemini = agent({
       throw new Error("google_api_key or gemini_api_key is required for gemini agent");
     }
     const sessionPrompt = addInstructions({ payload, prepResults, repo });
-    log.group("Full prompt", () => log.info(sessionPrompt));
+    log.group("\xBB Full prompt", () => log.info(sessionPrompt));
     const args3 = payload.sandbox ? [
       "--allowed-tools",
       "read_file,list_directory,search_file_content,glob,save_memory,write_todos",
@@ -91276,7 +91278,7 @@ var opencode = agent({
     mkdirSync4(configDir, { recursive: true });
     configureOpenCode({ mcpServers, sandbox: payload.sandbox ?? false });
     const prompt = addInstructions({ payload, prepResults, repo });
-    log.group("Full prompt", () => log.info(prompt));
+    log.group("\xBB Full prompt", () => log.info(prompt));
     const args3 = ["run", prompt, "--format", "json"];
     if (payload.sandbox) {
       log.info("\u{1F512} sandbox mode enabled: restricting to read-only operations");
@@ -91326,9 +91328,7 @@ var opencode = agent({
           try {
             const event = JSON.parse(trimmed);
             eventCount++;
-            log.debug(
-              `\xBB event: type=${event.type} data=${JSON.stringify(event).substring(0, 300)}`
-            );
+            log.debug(JSON.stringify(event, null, 2));
             const timeSinceLastActivity = Date.now() - lastActivityTime;
             if (timeSinceLastActivity > 1e4) {
               const activeToolCalls = toolCallTimings.size;
@@ -91439,7 +91439,7 @@ function configureOpenCode({ mcpServers, sandbox }) {
     );
     throw error42;
   }
-  log.info(`OpenCode config written to ${configPath} (sandbox: ${sandbox})`);
+  log.info(`\xBB OpenCode config written to ${configPath} (sandbox: ${sandbox})`);
   log.debug(`OpenCode config contents:
 ${configJson}`);
 }
@@ -123903,7 +123903,7 @@ var CheckoutPr = type({
   pull_number: type.number.describe("the pull request number to checkout")
 });
 async function checkoutPrBranch(ctx, pull_number) {
-  log.info(`\u{1F500} checking out PR #${pull_number}...`);
+  log.debug(`\u{1F500} checking out PR #${pull_number}...`);
   const pr = await ctx.octokit.rest.pulls.get({
     owner: ctx.owner,
     repo: ctx.name,
@@ -123919,18 +123919,18 @@ async function checkoutPrBranch(ctx, pull_number) {
   const currentBranch = $("git", ["rev-parse", "--abbrev-ref", "HEAD"], { log: false }).trim();
   const alreadyOnBranch = currentBranch === headBranch;
   if (alreadyOnBranch) {
-    log.info(`already on PR branch ${headBranch}, skipping checkout`);
+    log.debug(`already on PR branch ${headBranch}, skipping checkout`);
   } else {
-    log.info(`\u{1F4E5} fetching base branch (${baseBranch})...`);
+    log.debug(`\u{1F4E5} fetching base branch (${baseBranch})...`);
     $("git", ["fetch", "--no-tags", "origin", baseBranch]);
     $("git", ["checkout", "-B", baseBranch, `origin/${baseBranch}`]);
-    log.info(`\u{1F33F} fetching PR #${pull_number} (${headBranch})...`);
+    log.debug(`\u{1F33F} fetching PR #${pull_number} (${headBranch})...`);
     $("git", ["fetch", "--no-tags", "origin", `pull/${pull_number}/head:${headBranch}`]);
     $("git", ["checkout", headBranch]);
-    log.info(`\u2713 checked out PR #${pull_number}`);
+    log.debug(`\u2713 checked out PR #${pull_number}`);
   }
   if (alreadyOnBranch) {
-    log.info(`\u{1F4E5} fetching base branch (${baseBranch})...`);
+    log.debug(`\u{1F4E5} fetching base branch (${baseBranch})...`);
     $("git", ["fetch", "--no-tags", "origin", baseBranch]);
   }
   if (isFork) {
@@ -123938,13 +123938,13 @@ async function checkoutPrBranch(ctx, pull_number) {
     const forkUrl = `https://x-access-token:${ctx.githubInstallationToken}@github.com/${headRepo.full_name}.git`;
     try {
       $("git", ["remote", "add", remoteName, forkUrl]);
-      log.info(`\u{1F4CC} added remote '${remoteName}' for fork ${headRepo.full_name}`);
+      log.debug(`\u{1F4CC} added remote '${remoteName}' for fork ${headRepo.full_name}`);
     } catch {
       $("git", ["remote", "set-url", remoteName, forkUrl]);
-      log.info(`\u{1F4CC} updated remote '${remoteName}' for fork ${headRepo.full_name}`);
+      log.debug(`\u{1F4CC} updated remote '${remoteName}' for fork ${headRepo.full_name}`);
     }
     $("git", ["config", `branch.${headBranch}.pushRemote`, remoteName]);
-    log.info(`\u{1F4CC} configured branch '${headBranch}' to push to '${remoteName}'`);
+    log.debug(`\u{1F4CC} configured branch '${headBranch}' to push to '${remoteName}'`);
     if (!pr.data.maintainer_can_modify) {
       log.warning(
         `\u26A0\uFE0F fork PR has maintainer_can_modify=false - push operations will fail. ask the PR author to enable "Allow edits from maintainers" or the fork may be owned by an organization.`
@@ -124201,12 +124201,12 @@ function CreateBranchTool(ctx) {
           "Branch creation blocked: secrets detected in branch name. Please remove any sensitive information (API keys, tokens, passwords) before creating a branch."
         );
       }
-      log.info(`Creating branch ${branchName} from ${resolvedBaseBranch}`);
+      log.debug(`Creating branch ${branchName} from ${resolvedBaseBranch}`);
       $("git", ["fetch", "origin", resolvedBaseBranch, "--depth=1"]);
       $("git", ["checkout", "-B", resolvedBaseBranch, `origin/${resolvedBaseBranch}`]);
       $("git", ["checkout", "-b", branchName]);
       $("git", ["push", "-u", "origin", branchName]);
-      log.info(`Successfully created and pushed branch ${branchName}`);
+      log.debug(`Successfully created and pushed branch ${branchName}`);
       return {
         success: true,
         branchName,
@@ -124250,7 +124250,7 @@ function CommitFilesTool(ctx) {
         }
       }
       const currentBranch = $("git", ["rev-parse", "--abbrev-ref", "HEAD"], { log: false });
-      log.info(`Committing files on branch ${currentBranch}`);
+      log.debug(`Committing files on branch ${currentBranch}`);
       if (files.length > 0) {
         $("git", ["add", ...files]);
       } else {
@@ -124258,7 +124258,7 @@ function CommitFilesTool(ctx) {
       }
       $("git", ["commit", "-m", message]);
       const commitSha = $("git", ["rev-parse", "HEAD"], { log: false });
-      log.info(`Successfully committed: ${commitSha.substring(0, 7)}`);
+      log.debug(`Successfully committed: ${commitSha.substring(0, 7)}`);
       return {
         success: true,
         commitSha,
@@ -124285,7 +124285,7 @@ function PushBranchTool(_ctx) {
       } catch {
       }
       const args3 = force ? ["push", "--force", "-u", remote, branch] : ["push", "-u", remote, branch];
-      log.info(`pushing branch ${branch} to ${remote}`);
+      log.debug(`pushing branch ${branch} to ${remote}`);
       if (force) {
         log.warning(`force pushing - this will overwrite remote history`);
       }
@@ -124542,7 +124542,7 @@ function PullRequestTool(ctx) {
     parameters: PullRequest,
     execute: execute(ctx, async ({ title, body, base }) => {
       const currentBranch = $("git", ["rev-parse", "--abbrev-ref", "HEAD"], { log: false });
-      log.info(`Current branch: ${currentBranch}`);
+      log.debug(`Current branch: ${currentBranch}`);
       if (containsSecrets(title) || containsSecrets(body)) {
         throw new Error(
           "PR creation blocked: secrets detected in PR title or body. Please remove any sensitive information (API keys, tokens, passwords) before creating a PR."
diff --git a/mcp/checkout.ts b/mcp/checkout.ts
index 12c5072..6555aca 100644
--- a/mcp/checkout.ts
+++ b/mcp/checkout.ts
@@ -25,7 +25,7 @@ export type CheckoutPrResult = {
  * Assumes origin remote is already configured with authentication.
  */
 export async function checkoutPrBranch(ctx: Context, pull_number: number): Promise<void> {
-  log.info(`🔀 checking out PR #${pull_number}...`);
+  log.debug(`🔀 checking out PR #${pull_number}...`);
 
   // fetch PR metadata
   const pr = await ctx.octokit.rest.pulls.get({
@@ -48,10 +48,10 @@ export async function checkoutPrBranch(ctx: Context, pull_number: number): Promi
   const alreadyOnBranch = currentBranch === headBranch;
 
   if (alreadyOnBranch) {
-    log.info(`already on PR branch ${headBranch}, skipping checkout`);
+    log.debug(`already on PR branch ${headBranch}, skipping checkout`);
   } else {
     // fetch base branch so origin/<base> exists for diff operations
-    log.info(`📥 fetching base branch (${baseBranch})...`);
+    log.debug(`📥 fetching base branch (${baseBranch})...`);
     $("git", ["fetch", "--no-tags", "origin", baseBranch]);
 
     // checkout base branch first to avoid "refusing to fetch into current branch" error
@@ -59,18 +59,18 @@ export async function checkoutPrBranch(ctx: Context, pull_number: number): Promi
     $("git", ["checkout", "-B", baseBranch, `origin/${baseBranch}`]);
 
     // fetch PR branch using pull/{n}/head refspec (works for both fork and same-repo PRs)
-    log.info(`🌿 fetching PR #${pull_number} (${headBranch})...`);
+    log.debug(`🌿 fetching PR #${pull_number} (${headBranch})...`);
     $("git", ["fetch", "--no-tags", "origin", `pull/${pull_number}/head:${headBranch}`]);
 
     // checkout the branch
     $("git", ["checkout", headBranch]);
-    log.info(`✓ checked out PR #${pull_number}`);
+    log.debug(`✓ checked out PR #${pull_number}`);
   }
 
   // ensure base branch is fetched (needed for diff operations)
   // fetch if we skipped checkout (already on branch) - otherwise already fetched above
   if (alreadyOnBranch) {
-    log.info(`📥 fetching base branch (${baseBranch})...`);
+    log.debug(`📥 fetching base branch (${baseBranch})...`);
     $("git", ["fetch", "--no-tags", "origin", baseBranch]);
   }
 
@@ -84,16 +84,16 @@ export async function checkoutPrBranch(ctx: Context, pull_number: number): Promi
     // add fork as a named remote (ignore error if already exists)
     try {
       $("git", ["remote", "add", remoteName, forkUrl]);
-      log.info(`📌 added remote '${remoteName}' for fork ${headRepo.full_name}`);
+      log.debug(`📌 added remote '${remoteName}' for fork ${headRepo.full_name}`);
     } catch {
       // remote already exists, update its URL
       $("git", ["remote", "set-url", remoteName, forkUrl]);
-      log.info(`📌 updated remote '${remoteName}' for fork ${headRepo.full_name}`);
+      log.debug(`📌 updated remote '${remoteName}' for fork ${headRepo.full_name}`);
     }
 
     // set branch push config so `git push` knows where to push
     $("git", ["config", `branch.${headBranch}.pushRemote`, remoteName]);
-    log.info(`📌 configured branch '${headBranch}' to push to '${remoteName}'`);
+    log.debug(`📌 configured branch '${headBranch}' to push to '${remoteName}'`);
 
     // warn if maintainer can't modify (push will likely fail)
     if (!pr.data.maintainer_can_modify) {
diff --git a/mcp/git.ts b/mcp/git.ts
index 2a8c39b..f511991 100644
--- a/mcp/git.ts
+++ b/mcp/git.ts
@@ -34,7 +34,7 @@ export function CreateBranchTool(ctx: Context) {
         );
       }
 
-      log.info(`Creating branch ${branchName} from ${resolvedBaseBranch}`);
+      log.debug(`Creating branch ${branchName} from ${resolvedBaseBranch}`);
 
       // fetch base branch to ensure we're up to date
       $("git", ["fetch", "origin", resolvedBaseBranch, "--depth=1"]);
@@ -49,7 +49,7 @@ export function CreateBranchTool(ctx: Context) {
       // push branch to remote (set upstream)
       $("git", ["push", "-u", "origin", branchName]);
 
-      log.info(`Successfully created and pushed branch ${branchName}`);
+      log.debug(`Successfully created and pushed branch ${branchName}`);
 
       return {
         success: true,
@@ -109,7 +109,7 @@ export function CommitFilesTool(ctx: Context) {
       }
 
       const currentBranch = $("git", ["rev-parse", "--abbrev-ref", "HEAD"], { log: false });
-      log.info(`Committing files on branch ${currentBranch}`);
+      log.debug(`Committing files on branch ${currentBranch}`);
 
       // stage files if provided, otherwise stage all changes
       if (files.length > 0) {
@@ -122,7 +122,7 @@ export function CommitFilesTool(ctx: Context) {
       $("git", ["commit", "-m", message]);
 
       const commitSha = $("git", ["rev-parse", "HEAD"], { log: false });
-      log.info(`Successfully committed: ${commitSha.substring(0, 7)}`);
+      log.debug(`Successfully committed: ${commitSha.substring(0, 7)}`);
 
       return {
         success: true,
@@ -162,7 +162,7 @@ export function PushBranchTool(_ctx: Context) {
         ? ["push", "--force", "-u", remote, branch]
         : ["push", "-u", remote, branch];
 
-      log.info(`pushing branch ${branch} to ${remote}`);
+      log.debug(`pushing branch ${branch} to ${remote}`);
       if (force) {
         log.warning(`force pushing - this will overwrite remote history`);
       }
diff --git a/mcp/pr.ts b/mcp/pr.ts
index e5b2f3e..538d8e2 100644
--- a/mcp/pr.ts
+++ b/mcp/pr.ts
@@ -36,7 +36,7 @@ export function PullRequestTool(ctx: Context) {
     parameters: PullRequest,
     execute: execute(ctx, async ({ title, body, base }) => {
       const currentBranch = $("git", ["rev-parse", "--abbrev-ref", "HEAD"], { log: false });
-      log.info(`Current branch: ${currentBranch}`);
+      log.debug(`Current branch: ${currentBranch}`);
 
       // validate PR title and body for secrets
       if (containsSecrets(title) || containsSecrets(body)) {
diff --git a/utils/cli.ts b/utils/cli.ts
index 3fbedf0..e28b9f5 100644
--- a/utils/cli.ts
+++ b/utils/cli.ts
@@ -9,7 +9,10 @@ import { table } from "table";
 
 const isGitHubActions = !!process.env.GITHUB_ACTIONS;
 const isDebugEnabled = () =>
-  process.env.LOG_LEVEL === "debug" || process.env.ACTIONS_STEP_DEBUG === "true";
+  process.env.LOG_LEVEL === "debug" ||
+  process.env.ACTIONS_STEP_DEBUG === "true" ||
+  process.env.RUNNER_DEBUG === "1" ||
+  core.isDebug();
 
 /**
  * Start a collapsed group (GitHub Actions) or regular group (local)