diff --git a/src/cli/App.tsx b/src/cli/App.tsx
index 49ce3c4..96088c9 100644
--- a/src/cli/App.tsx
+++ b/src/cli/App.tsx
@@ -2547,7 +2547,11 @@ export default function App({
           setApprovalContexts(contexts);
         } catch (error) {
           // If analysis fails, leave context as null (will show basic options)
-          console.error("Failed to analyze startup approvals:", error);
+          debugLog(
+            "approvals",
+            "Failed to analyze startup approvals: %O",
+            error,
+          );
         }
       };
 
@@ -2861,7 +2865,7 @@ export default function App({
             setCurrentToolset(persistedToolsetPreference);
           }
         } catch (error) {
-          console.error("Error fetching agent config:", error);
+          debugLog("agent-config", "Error fetching agent config: %O", error);
         }
       };
       fetchConfig();
@@ -3680,7 +3684,7 @@ export default function App({
               }
             } catch (error) {
               // Silently fail - don't interrupt the conversation flow
-              console.error("Failed to sync agent state:", error);
+              debugLog("sync-agent", "Failed to sync agent state: %O", error);
             }
           };
 
@@ -7496,8 +7500,9 @@ export default function App({
                     setApprovalContexts(contexts);
                   } catch (approvalError) {
                     // If analysis fails, leave context as null (will show basic options)
-                    console.error(
-                      "Failed to analyze resume approvals:",
+                    debugLog(
+                      "approvals",
+                      "Failed to analyze resume approvals: %O",
                       approvalError,
                     );
                   }
@@ -9524,9 +9529,12 @@ ${SYSTEM_REMINDER_CLOSE}
             a.size === b.size && [...a].every((id) => b.has(id));
 
           if (!setsEqual(expectedIds, sendingIds)) {
-            console.error("[BUG] Approval ID mismatch detected");
-            console.error("Expected IDs:", Array.from(expectedIds));
-            console.error("Sending IDs:", Array.from(sendingIds));
+            debugLog(
+              "approvals",
+              "[BUG] Approval ID mismatch detected. Expected: %O, Sending: %O",
+              Array.from(expectedIds),
+              Array.from(sendingIds),
+            );
             throw new Error(
               "Approval ID mismatch - refusing to send mismatched IDs",
             );
@@ -12229,8 +12237,9 @@ Plan file path: ${planFilePath}`;
                           setApprovalContexts(contexts);
                         } catch (approvalError) {
                           // If analysis fails, leave context as null (will show basic options)
-                          console.error(
-                            "Failed to analyze resume approvals:",
+                          debugLog(
+                            "approvals",
+                            "Failed to analyze resume approvals: %O",
                             approvalError,
                           );
                         }
diff --git a/src/cli/components/MemoryTabViewer.tsx b/src/cli/components/MemoryTabViewer.tsx
index 06a5e78..e8dbfcd 100644
--- a/src/cli/components/MemoryTabViewer.tsx
+++ b/src/cli/components/MemoryTabViewer.tsx
@@ -3,6 +3,7 @@ import { Box, useInput } from "ink";
 import Link from "ink-link";
 import { useEffect, useState } from "react";
 import { getClient } from "../../agent/client";
+import { debugLog } from "../../utils/debug";
 import { useTerminalWidth } from "../hooks/useTerminalWidth";
 import { colors } from "./colors";
 import { MarkdownDisplay } from "./MarkdownDisplay";
@@ -56,7 +57,7 @@ export function MemoryTabViewer({
         });
         setFreshBlocks(agent.memory?.blocks || []);
       } catch (error) {
-        console.error("Failed to fetch memory blocks:", error);
+        debugLog("memory-tab", "Failed to fetch memory blocks: %O", error);
         // Fall back to passed-in blocks if fetch fails
         setFreshBlocks(blocks);
       } finally {
diff --git a/src/cli/components/ProviderSelector.tsx b/src/cli/components/ProviderSelector.tsx
index e2c29ca..3a585e1 100644
--- a/src/cli/components/ProviderSelector.tsx
+++ b/src/cli/components/ProviderSelector.tsx
@@ -15,6 +15,7 @@ import {
   type AwsProfile,
   parseAwsCredentials,
 } from "../../utils/aws-credentials";
+import { debugLog } from "../../utils/debug";
 import { useTerminalWidth } from "../hooks/useTerminalWidth";
 import { colors } from "./colors";
 import { Text } from "./Text";
@@ -166,8 +167,7 @@ export function ProviderSelector({
             }
           })
           .catch((err) => {
-            // eslint-disable-next-line no-console
-            console.error("Failed to parse AWS credentials:", err);
+            debugLog("provider", "Failed to parse AWS credentials: %O", err);
             if (mountedRef.current) {
               setAwsProfiles([]);
               setIsLoadingProfiles(false);
diff --git a/src/cli/helpers/fileSearch.ts b/src/cli/helpers/fileSearch.ts
index be0c3a0..8d0f3b8 100644
--- a/src/cli/helpers/fileSearch.ts
+++ b/src/cli/helpers/fileSearch.ts
@@ -1,5 +1,6 @@
 import { readdirSync, statSync } from "node:fs";
 import { join, resolve } from "node:path";
+import { debugLog } from "../../utils/debug";
 
 interface FileMatch {
   path: string;
@@ -245,7 +246,7 @@ export async function searchFiles(
     });
   } catch (error) {
     // Return empty array on any error
-    console.error("File search error:", error);
+    debugLog("file-search", "File search error: %O", error);
     return [];
   }
 
diff --git a/src/tools/impl/Read.ts b/src/tools/impl/Read.ts
index 0f2683e..11ecd55 100644
--- a/src/tools/impl/Read.ts
+++ b/src/tools/impl/Read.ts
@@ -8,6 +8,7 @@ import { LETTA_CLOUD_API_URL } from "../../auth/oauth.js";
 import { resizeImageIfNeeded } from "../../cli/helpers/imageResize.js";
 import { SYSTEM_REMINDER_CLOSE, SYSTEM_REMINDER_OPEN } from "../../constants";
 import { settingsManager } from "../../settings-manager.js";
+import { debugLog } from "../../utils/debug.js";
 import { OVERFLOW_CONFIG, writeOverflowFile } from "./overflow.js";
 import { LIMITS } from "./truncation.js";
 import { validateRequiredParams } from "./validation.js";
@@ -179,7 +180,7 @@ function formatWithLineNumbers(
       overflowPath = writeOverflowFile(content, workingDirectory, "Read");
     } catch (error) {
       // Silently fail if overflow file creation fails
-      console.error("Failed to write overflow file:", error);
+      debugLog("read", "Failed to write overflow file: %O", error);
     }
   }
 
diff --git a/src/tools/impl/truncation.ts b/src/tools/impl/truncation.ts
index 0be2acd..00b36f1 100644
--- a/src/tools/impl/truncation.ts
+++ b/src/tools/impl/truncation.ts
@@ -4,6 +4,7 @@
  * When outputs exceed limits, full content can be written to overflow files.
  */
 
+import { debugLog } from "../../utils/debug.js";
 import { OVERFLOW_CONFIG, writeOverflowFile } from "./overflow.js";
 
 // Limits based on Claude Code's proven production values
@@ -64,7 +65,7 @@ export function truncateByChars(
       );
     } catch (error) {
       // Silently fail if overflow file creation fails
-      console.error("Failed to write overflow file:", error);
+      debugLog("truncation", "Failed to write overflow file: %O", error);
     }
   }
 
@@ -167,7 +168,7 @@ export function truncateByLines(
       );
     } catch (error) {
       // Silently fail if overflow file creation fails
-      console.error("Failed to write overflow file:", error);
+      debugLog("truncation", "Failed to write overflow file: %O", error);
     }
   }
 
@@ -250,7 +251,7 @@ export function truncateArray<T>(
       );
     } catch (error) {
       // Silently fail if overflow file creation fails
-      console.error("Failed to write overflow file:", error);
+      debugLog("truncation", "Failed to write overflow file: %O", error);
     }
   }