diff --git a/js/eslint.config.ts b/js/eslint.config.ts
index 22c71b817..6cf54f8c3 100644
--- a/js/eslint.config.ts
+++ b/js/eslint.config.ts
@@ -82,30 +82,6 @@ export default [
       "@typescript-eslint/no-empty-object-type": "error",
       "@typescript-eslint/no-unsafe-function-type": "error",
       "@typescript-eslint/prefer-as-const": "error",
-      // Require node: protocol for Node.js built-in imports (for Deno compatibility)
-      // This plugin automatically detects ALL Node.js built-ins - no manual list needed!
-      "node-import/prefer-node-protocol": "error",
-    },
-  },
-  {
-    files: ["src/**/*.ts", "src/**/*.tsx"],
-    ignores: [
-      "src/cli/**",
-      "src/debug-logger.ts",
-      "src/framework.ts",
-      "src/framework2.ts",
-      "src/isomorph.ts",
-      "src/sandbox.ts",
-      "src/template/**",
-      "src/reporters/**",
-      "src/prompt-cache/**",
-      "src/eval-parameters.ts",
-      "src/wrappers/**",
-      "src/instrumentation/**",
-      "src/auto-instrumentations/**",
-      "src/queue.bench.ts",
-    ],
-    rules: {
       "no-restricted-properties": [
         "error",
         {
@@ -139,6 +115,35 @@ export default [
           message: "Use debugLogger instead of console for SDK logging.",
         },
       ],
+      // Require node: protocol for Node.js built-in imports (for Deno compatibility)
+      // This plugin automatically detects ALL Node.js built-ins - no manual list needed!
+      "node-import/prefer-node-protocol": "error",
+    },
+  },
+  {
+    files: ["src/queue.bench.ts"],
+    rules: {
+      "no-restricted-properties": "off",
+    },
+  },
+  {
+    files: ["src/**/*.ts", "src/**/*.tsx"],
+    ignores: [
+      "src/cli/**",
+      "src/debug-logger.ts",
+      "src/framework.ts",
+      "src/framework2.ts",
+      "src/isomorph.ts",
+      "src/sandbox.ts",
+      "src/template/**",
+      "src/reporters/**",
+      "src/prompt-cache/**",
+      "src/eval-parameters.ts",
+      "src/wrappers/**",
+      "src/instrumentation/**",
+      "src/auto-instrumentations/**",
+    ],
+    rules: {
       "no-restricted-imports": [
         "error",
         {
diff --git a/js/src/cli/functions/infer-source.ts b/js/src/cli/functions/infer-source.ts
index 179b5c50d..73d6a977c 100644
--- a/js/src/cli/functions/infer-source.ts
+++ b/js/src/cli/functions/infer-source.ts
@@ -71,6 +71,7 @@ export async function findCodeDefinition({
   if (location.type === "experiment" || location.type === "sandbox") {
     const evaluator = outFileModule.evaluators[location.eval_name]?.evaluator;
     if (!evaluator) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         warning(
           `Warning: failed to find evaluator for ${location.eval_name}. Will not display preview.`,
@@ -94,6 +95,7 @@ export async function findCodeDefinition({
   }
 
   if (!fn) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(
       warning(
         `Warning: failed to find ${locationToString(location)}. Will not display preview.`,
@@ -118,6 +120,7 @@ export async function findCodeDefinition({
   }
 
   if (columnNumber === -1) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(
       warning(
         `Warning: failed to find code definition for ${fn.name}. Will not display preview.`,
@@ -195,6 +198,7 @@ async function getTsModule() {
     try {
       tsModule = require("typescript");
     } catch {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         warning(
           "Failed to load TypeScript module. Will not use TypeScript to derive preview.",
diff --git a/js/src/cli/functions/upload.ts b/js/src/cli/functions/upload.ts
index ce67f44d9..b1ce0f429 100644
--- a/js/src/cli/functions/upload.ts
+++ b/js/src/cli/functions/upload.ts
@@ -82,6 +82,7 @@ export async function uploadHandleBundles({
   setCurrent: boolean;
   defaultIfExists: IfExists;
 }) {
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.error(
     `Processing ${buildResults.length} ${pluralize("file", buildResults.length)}...`,
   );
@@ -276,6 +277,7 @@ export async function uploadHandleBundles({
   const numUploaded = uploadResults.length;
   const numFailed = uploadResults.filter((result) => !result).length;
 
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.error(
     `${numUploaded} ${pluralize("file", numUploaded)} uploaded ${
       numFailed > 0
@@ -344,12 +346,14 @@ async function uploadBundles({
       );
     } catch (e) {
       if (showDetailedErrors) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.error(e);
       }
       const msg =
         e instanceof FailedHTTPResponse
           ? `Unable to upload your code. ${e.status} (${e.text}): ${e.data}`
           : `Unable to upload your code. You most likely need to update the API: ${e}`;
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.error(warning(msg));
       return false;
     }
@@ -422,12 +426,14 @@ async function uploadBundles({
       });
     } catch (e) {
       if (showDetailedErrors) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.error(e);
       }
       const msg =
         e instanceof FailedHTTPResponse
           ? `Failed to save function definitions for '${sourceFile}'. ${e.status} (${e.text}): ${e.data}`
           : `Failed to save function definitions for '${sourceFile}'. You most likely need to update the API: ${e}`;
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(warning(msg));
       return false;
     }
diff --git a/js/src/cli/index.ts b/js/src/cli/index.ts
index 48a38be3f..863f19987 100755
--- a/js/src/cli/index.ts
+++ b/js/src/cli/index.ts
@@ -127,6 +127,7 @@ async function initExperiment(
         fallback: (_text: string, url: string) => url,
       })
     : "locally";
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.error(
     chalk.cyan("▶") +
       ` Experiment ${chalk.bold(info.experimentName)} is running at ${linkText}`,
@@ -219,13 +220,17 @@ function buildWatchPluginForEvaluator(
     name: "run-evalutator-on-end",
     setup(build: esbuild.PluginBuild) {
       build.onEnd(async (result) => {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.error(`Done building ${inFile}`);
 
         if (!result.outputFiles) {
           if (opts.showDetailedErrors) {
+            // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
             console.warn(`Failed to compile ${inFile}`);
+            // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
             console.warn(result.errors);
           } else {
+            // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
             console.warn(`Failed to compile ${inFile}: ${result.errors}`);
           }
           return;
@@ -306,6 +311,7 @@ function buildWatchPluginForEvaluator(
         )) {
           const success = await reporter.reportRun(await Promise.all(results));
           if (!success) {
+            // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
             console.error(error(`Reporter ${reporterName} failed.`));
           }
         }
@@ -421,9 +427,12 @@ export function handleBuildFailure({
   if (terminateOnFailure) {
     throw result.error;
   } else if (showDetailedErrors) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(`Failed to compile ${result.sourceFile}`);
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(result.error);
   } else {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(
       `Failed to compile ${result.sourceFile}: ${result.error.message}`,
     );
@@ -466,6 +475,7 @@ function updateEvaluators(
         evaluators.reporters[reporterName] &&
         evaluators.reporters[reporterName] !== reporter
       ) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn(
           warning(
             `Reporter '${reporterName}' already exists. Will skip '${reporterName}' from ${result.sourceFile}.`,
@@ -486,12 +496,14 @@ async function runAndWatch({
   onExit?: () => void;
 }) {
   const count = Object.keys(handles).length;
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.error(`Watching ${pluralize("file", count, true)}...`);
 
   Object.values(handles).map((handle) => handle.watch());
 
   ["SIGINT", "SIGTERM"].forEach((signal: string) => {
     process.on(signal, function () {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.error("Stopped watching.");
       for (const handle of Object.values(handles)) {
         handle.destroy();
@@ -540,6 +552,7 @@ async function runOnce(
 
   if (opts.list) {
     for (const evaluator of evaluators.evaluators) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.log(evaluator.evaluator.evalName);
     }
     return true;
@@ -581,6 +594,7 @@ async function runOnce(
     }
   });
 
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.error(
     chalk.dim(
       `Processing ${chalk.bold(resultPromises.length)} evaluator${resultPromises.length === 1 ? "" : "s"}...`,
@@ -588,6 +602,7 @@ async function runOnce(
   );
   const allEvalsResults = await Promise.all(resultPromises);
   opts.progressReporter.stop();
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.error("");
 
   const evalReports: Record<
@@ -685,6 +700,7 @@ async function collectFiles(
   try {
     pathStat = fs.lstatSync(inputPath);
   } catch (e) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.error(error(`Error reading ${inputPath}: ${e}`));
     process.exit(1);
   }
@@ -699,6 +715,7 @@ async function collectFiles(
       )
     ) {
       const prefix = mode === "eval" ? ".eval" : "";
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         warning(
           `Reading ${inputPath} because it was specified directly. Rename it to end in ${prefix}.ts or ` +
@@ -848,6 +865,7 @@ export async function initializeHandles({
   for (const inputPath of inputPaths) {
     const newFiles = await collectFiles(inputPath, mode);
     if (newFiles.length == 0) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         warning(
           `Provided path ${inputPath} is not an eval file or a directory containing eval files, skipping...`,
@@ -860,6 +878,7 @@ export async function initializeHandles({
   }
 
   if (Object.keys(files).length == 0) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(
       warning("No eval files were found in any of the provided paths."),
     );
@@ -906,6 +925,7 @@ async function run(args: RunArgs) {
     // Load via dotenv library
     const loaded = dotenv.config({ path: args.env_file });
     if (loaded.error) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.error(error(`Error loading ${args.env_file}: ${loaded.error}`));
       process.exit(1);
     }
@@ -930,6 +950,7 @@ async function run(args: RunArgs) {
   };
 
   if (args.list && args.watch) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.error(error("Cannot specify both --list and --watch."));
     process.exit(1);
   }
diff --git a/js/src/cli/reporters/eval.ts b/js/src/cli/reporters/eval.ts
index f10c1fc17..5093bd464 100644
--- a/js/src/cli/reporters/eval.ts
+++ b/js/src/cli/reporters/eval.ts
@@ -174,6 +174,7 @@ export const fancyReporter: ReporterDef<boolean> = {
     );
 
     if (failingResults.length > 0) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.error(
         warning(
           `Evaluator ${evaluator.evalName} failed with ${pluralize("error", failingResults.length, true)}. This evaluation ("${evaluator.evalName}") will not be fully logged.`,
@@ -186,6 +187,7 @@ export const fancyReporter: ReporterDef<boolean> = {
         }
       } else if (verbose) {
         for (const result of failingResults) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error(result);
         }
       }
diff --git a/js/src/cli/util/bundle.ts b/js/src/cli/util/bundle.ts
index dfb2b01c2..9eb18bced 100644
--- a/js/src/cli/util/bundle.ts
+++ b/js/src/cli/util/bundle.ts
@@ -20,6 +20,7 @@ export async function loadCLIEnv(args: AuthArgs & CommonArgs) {
     // Load via dotenv library
     const loaded = dotenv.config({ path: args.env_file });
     if (loaded.error) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.error(error(`Error loading ${args.env_file}: ${loaded.error}`));
       process.exit(1);
     }
diff --git a/js/src/cli/util/debug-logging.ts b/js/src/cli/util/debug-logging.ts
index 41b3bc8ba..544514a11 100644
--- a/js/src/cli/util/debug-logging.ts
+++ b/js/src/cli/util/debug-logging.ts
@@ -21,6 +21,7 @@ export function normalizeDebugLoggingArgs<
 
   if (!hasWarnedAboutVerboseFlag) {
     hasWarnedAboutVerboseFlag = true;
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(warning(VERBOSE_DEPRECATION_MESSAGE));
   }
 
diff --git a/js/src/cli/util/pull.ts b/js/src/cli/util/pull.ts
index a6e5e7a79..a25eff17c 100644
--- a/js/src/cli/util/pull.ts
+++ b/js/src/cli/util/pull.ts
@@ -46,6 +46,7 @@ export async function pullCommand(args: PullArgs) {
         typeof rawFunc === "object" && rawFunc && "id" in rawFunc
           ? ` ${rawFunc.id}`
           : "";
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         warning(`Failed to parse function${id}: ${parsedFunc.error.message}`),
       );
@@ -60,8 +61,10 @@ export async function pullCommand(args: PullArgs) {
     projectNameToFunctions[projectName].push(func);
   }
 
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.log("Found functions in the following projects:");
   for (const projectName of Object.keys(projectNameToFunctions)) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.log(` * ${projectName}`);
   }
 
@@ -92,6 +95,7 @@ export async function pullCommand(args: PullArgs) {
     );
     if (args.force) {
       if (fileExists) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn(
           warning(
             `Overwriting ${doubleQuote(projectFile)} because --force is set.`,
@@ -99,6 +103,7 @@ export async function pullCommand(args: PullArgs) {
         );
       }
     } else if (dirtyFiles.has(resolvedProjectFile)) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         warning(
           `Skipping project ${projectName} because ${doubleQuote(projectFile)} has uncommitted changes.`,
@@ -107,6 +112,7 @@ export async function pullCommand(args: PullArgs) {
       continue;
     } else if (fileExists) {
       if (!git) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn(
           warning(
             `Project ${projectName} already exists in ${doubleQuote(projectFile)}. Skipping since this is not a git repository...`,
@@ -114,6 +120,7 @@ export async function pullCommand(args: PullArgs) {
         );
         continue;
       } else {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn(
           warning(
             `Project ${projectName} already exists in ${doubleQuote(projectFile)}. Overwriting...`,
@@ -130,6 +137,7 @@ export async function pullCommand(args: PullArgs) {
       hasSpecifiedFunction: !!args.slug || !!args.id,
     });
     await fs.writeFile(projectFile, projectFileContents || "");
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.log(`Wrote ${projectName} to ${doubleQuote(projectFile)}`);
   }
 }
@@ -178,6 +186,7 @@ ${functionDefinitions.join("\n")}
       });
       return formatted;
     } catch (error) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         warning(
           `Failed to format with prettier (${error instanceof Error ? error.message : error}). Using unformatted output.`,
@@ -199,6 +208,7 @@ function makeFunctionDefinition({
 }): string | null {
   if (func.function_data.type !== "prompt") {
     if (hasSpecifiedFunction) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         warning(
           `Skipping function ${doubleQuote(func.name)} because it is not a prompt.`,
@@ -218,6 +228,7 @@ function makeFunctionDefinition({
   varNames[varName] = func.slug;
 
   if (!func.prompt_data || !func.prompt_data.prompt) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(
       warning(
         `Prompt ${doubleQuote(func.name)} has an invalid (empty) prompt definition.`,
@@ -240,6 +251,7 @@ function makeFunctionDefinition({
       : undefined;
 
   if (rawToolsParsed && !rawToolsParsed.success) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(
       warning(
         `Prompt ${doubleQuote(func.name)} has an invalid tools definition: ${rawToolsParsed.error.message}. Skipping...`,
@@ -348,6 +360,7 @@ async function getPrettierModule() {
 
         prettierModule = await importWithTimeout();
       } catch {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn(
           warning(
             "Failed to load prettier module. Will not use prettier to format output.",
diff --git a/js/src/debug-logger.ts b/js/src/debug-logger.ts
index 91afecc7a..5b21bde4a 100644
--- a/js/src/debug-logger.ts
+++ b/js/src/debug-logger.ts
@@ -34,6 +34,7 @@ function warnInvalidEnvValue(value: string) {
     return;
   }
   hasWarnedAboutInvalidEnvValue = true;
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.warn(
     PREFIX,
     `Invalid BRAINTRUST_DEBUG_LOG_LEVEL value "${value}". Expected "error", "warn", "info", or "debug".`,
@@ -135,12 +136,16 @@ function emit(
   }
 
   if (method === "info") {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.log(PREFIX, ...args);
   } else if (method === "debug") {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.debug(PREFIX, ...args);
   } else if (method === "warn") {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(PREFIX, ...args);
   } else {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.error(PREFIX, ...args);
   }
 }
diff --git a/js/src/eval-parameters.ts b/js/src/eval-parameters.ts
index e33d5c911..80ebff257 100644
--- a/js/src/eval-parameters.ts
+++ b/js/src/eval-parameters.ts
@@ -124,6 +124,7 @@ function validateParametersWithZod<
           return [name, schemaCasted.parse(value)];
         }
       } catch (e) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.error("Error validating parameter", name, e);
         throw Error(
           `Invalid parameter '${name}': ${e instanceof Error ? e.message : String(e)}`,
diff --git a/js/src/framework.ts b/js/src/framework.ts
index cfdd62bde..6388bd900 100644
--- a/js/src/framework.ts
+++ b/js/src/framework.ts
@@ -773,8 +773,10 @@ export async function Eval<
       return ret;
     } finally {
       if (experiment) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         await experiment.flush().catch(console.error);
       } else if (options.parent) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         await flush({ state: evaluator.state }).catch(console.error);
       }
     }
@@ -1485,8 +1487,10 @@ export const warning = (text: string) => `Warning: ${text}`;
 
 export function logError(e: unknown, verbose: boolean) {
   if (!verbose) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.error(`${e}`);
   } else {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.error(e);
   }
 }
@@ -1562,12 +1566,14 @@ export function reportFailures<
     // TODO: We may want to support a non-strict mode (and make this the "strict" behavior), so that
     // users can still log imperfect evaluations. In the meantime, they should handle these cases inside
     // of their tasks.
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.error(
       warning(
         `Evaluator ${evaluator.evalName} failed with ${failingResults.length} error${failingResults.length === 1 ? "" : "s"}. This evaluation ("${evaluator.evalName}") will not be fully logged.`,
       ),
     );
     if (jsonl) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.log(
         JSON.stringify({
           evaluatorName: evaluator.evalName,
@@ -1582,6 +1588,7 @@ export function reportFailures<
       }
     }
     if (!verbose && !jsonl) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.error(
         warning(
           "Use --debug-logging debug to see full stack traces and troubleshooting details.",
diff --git a/js/src/framework2.ts b/js/src/framework2.ts
index 9c15946d5..14aff18af 100644
--- a/js/src/framework2.ts
+++ b/js/src/framework2.ts
@@ -117,6 +117,7 @@ export class Project {
 
   async publish() {
     if (globalThis._lazy_load) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn("publish() is a no-op when running `braintrust push`.");
       return;
     }
@@ -124,6 +125,7 @@ export class Project {
     const projectMap = new ProjectNameIdMap();
     const functionDefinitions: FunctionEvent[] = [];
     if (this._publishableCodeFunctions.length > 0) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         "Code functions cannot be published directly. Use `braintrust push` instead.",
       );
diff --git a/js/src/instrumentation/core/channel-tracing.ts b/js/src/instrumentation/core/channel-tracing.ts
index 96a64a472..2d1f70c94 100644
--- a/js/src/instrumentation/core/channel-tracing.ts
+++ b/js/src/instrumentation/core/channel-tracing.ts
@@ -198,6 +198,7 @@ function startSpanForEvent<
       metadata: mergeInputMetadata(metadata, spanInfoMetadata),
     });
   } catch (error) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.error(`Error extracting input for ${channelName}:`, error);
   }
 
@@ -351,6 +352,7 @@ export function traceAsyncChannel<TChannel extends AnyAsyncChannel>(
           metrics,
         });
       } catch (error) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.error(`Error extracting output for ${channelName}:`, error);
       } finally {
         span.end();
@@ -460,6 +462,7 @@ export function traceStreamingChannel<TChannel extends AnyAsyncChannel>(
                 metrics,
               });
             } catch (error) {
+              // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
               console.error(
                 `Error extracting output for ${channelName}:`,
                 error,
@@ -516,6 +519,7 @@ export function traceStreamingChannel<TChannel extends AnyAsyncChannel>(
           metrics,
         });
       } catch (error) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.error(`Error extracting output for ${channelName}:`, error);
       } finally {
         span.end();
@@ -610,6 +614,7 @@ export function traceSyncStreamChannel<TChannel extends AnySyncStreamChannel>(
             });
           }
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error(
             `Error extracting chatCompletion for ${channelName}:`,
             error,
@@ -637,6 +642,7 @@ export function traceSyncStreamChannel<TChannel extends AnySyncStreamChannel>(
             span.log(extracted);
           }
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error(`Error extracting event for ${channelName}:`, error);
         }
       });
diff --git a/js/src/instrumentation/core/plugin.ts b/js/src/instrumentation/core/plugin.ts
index 7d1147c5a..41e1d7c3d 100644
--- a/js/src/instrumentation/core/plugin.ts
+++ b/js/src/instrumentation/core/plugin.ts
@@ -109,6 +109,7 @@ export abstract class BasePlugin {
             metadata: mergeInputMetadata(metadata, spanInfoMetadata),
           });
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error(`Error extracting input for ${channelName}:`, error);
         }
       },
@@ -132,6 +133,7 @@ export abstract class BasePlugin {
             metrics,
           });
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error(`Error extracting output for ${channelName}:`, error);
         } finally {
           span.end();
@@ -216,6 +218,7 @@ export abstract class BasePlugin {
             metadata: mergeInputMetadata(metadata, spanInfoMetadata),
           });
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error(`Error extracting input for ${channelName}:`, error);
         }
       },
@@ -279,6 +282,7 @@ export abstract class BasePlugin {
                   metrics,
                 });
               } catch (error) {
+                // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
                 console.error(
                   `Error extracting output for ${channelName}:`,
                   error,
@@ -315,6 +319,7 @@ export abstract class BasePlugin {
               metrics,
             });
           } catch (error) {
+            // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
             console.error(`Error extracting output for ${channelName}:`, error);
           } finally {
             span.end();
@@ -389,6 +394,7 @@ export abstract class BasePlugin {
             metadata: mergeInputMetadata(metadata, spanInfoMetadata),
           });
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error(`Error extracting input for ${channelName}:`, error);
         }
       },
@@ -430,6 +436,7 @@ export abstract class BasePlugin {
               output: completion.choices,
             });
           } catch (error) {
+            // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
             console.error(
               `Error extracting chatCompletion for ${channelName}:`,
               error,
@@ -455,6 +462,7 @@ export abstract class BasePlugin {
                 span.log(extracted);
               }
             } catch (error) {
+              // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
               console.error(
                 `Error extracting event for ${channelName}:`,
                 error,
diff --git a/js/src/instrumentation/core/stream-patcher.ts b/js/src/instrumentation/core/stream-patcher.ts
index efdd379de..3ecfc8aa6 100644
--- a/js/src/instrumentation/core/stream-patcher.ts
+++ b/js/src/instrumentation/core/stream-patcher.ts
@@ -101,6 +101,7 @@ export function patchStreamIfNeeded<TChunk = unknown, TFinal = unknown>(
 
   // Check if object is extensible (can be patched)
   if (Object.isFrozen(stream) || Object.isSealed(stream)) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(
       "Cannot patch frozen/sealed stream. Stream output will not be collected.",
     );
@@ -137,6 +138,7 @@ export function patchStreamIfNeeded<TChunk = unknown, TFinal = unknown>(
               try {
                 await options.onComplete(chunks);
               } catch (error) {
+                // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
                 console.error("Error in stream onComplete handler:", error);
               }
             }
@@ -157,6 +159,7 @@ export function patchStreamIfNeeded<TChunk = unknown, TFinal = unknown>(
                 try {
                   await options.onChunk(chunk);
                 } catch (error) {
+                  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
                   console.error("Error in stream onChunk handler:", error);
                 }
               }
@@ -175,6 +178,7 @@ export function patchStreamIfNeeded<TChunk = unknown, TFinal = unknown>(
                   chunks,
                 );
               } catch (handlerError) {
+                // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
                 console.error("Error in stream onError handler:", handlerError);
               }
             }
@@ -193,6 +197,7 @@ export function patchStreamIfNeeded<TChunk = unknown, TFinal = unknown>(
             try {
               await options.onComplete(chunks);
             } catch (error) {
+              // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
               console.error("Error in stream onComplete handler:", error);
             }
           }
@@ -215,6 +220,7 @@ export function patchStreamIfNeeded<TChunk = unknown, TFinal = unknown>(
               try {
                 await options.onError(error, chunks);
               } catch (handlerError) {
+                // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
                 console.error("Error in stream onError handler:", handlerError);
               }
             }
@@ -237,6 +243,7 @@ export function patchStreamIfNeeded<TChunk = unknown, TFinal = unknown>(
     return stream;
   } catch (error) {
     // If patching fails for any reason, log warning and return original
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn("Failed to patch stream:", error);
     return stream;
   }
@@ -305,6 +312,7 @@ export function wrapStreamResult<TChunk = unknown, TProcessed = unknown>(
           const processed = options.processChunks(chunks);
           options.onResult(processed);
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error("Error processing stream chunks:", error);
           if (options.onError) {
             options.onError(
@@ -325,6 +333,7 @@ export function wrapStreamResult<TChunk = unknown, TProcessed = unknown>(
         : result;
       options.onResult(processed);
     } catch (error) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.error("Error processing non-stream result:", error);
       if (options.onError) {
         options.onError(
diff --git a/js/src/instrumentation/plugins/claude-agent-sdk-plugin.ts b/js/src/instrumentation/plugins/claude-agent-sdk-plugin.ts
index c6f5aeb8a..e7c1fa8da 100644
--- a/js/src/instrumentation/plugins/claude-agent-sdk-plugin.ts
+++ b/js/src/instrumentation/plugins/claude-agent-sdk-plugin.ts
@@ -756,6 +756,7 @@ export class ClaudeAgentSDKPlugin extends BasePlugin {
             metadata: filterSerializableOptions(options),
           });
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error("Error extracting input for Claude Agent SDK:", error);
         }
 
@@ -828,6 +829,7 @@ export class ClaudeAgentSDKPlugin extends BasePlugin {
               state.processing = state.processing
                 .then(() => handleStreamMessage(state, message))
                 .catch((error) => {
+                  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
                   console.error(
                     "Error processing Claude Agent SDK stream chunk:",
                     error,
@@ -859,6 +861,7 @@ export class ClaudeAgentSDKPlugin extends BasePlugin {
         try {
           state.span.log({ output: eventResult });
         } catch (error) {
+          // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
           console.error("Error extracting output for Claude Agent SDK:", error);
         } finally {
           state.span.end();
diff --git a/js/src/instrumentation/registry.ts b/js/src/instrumentation/registry.ts
index 844b9efd2..79825abeb 100644
--- a/js/src/instrumentation/registry.ts
+++ b/js/src/instrumentation/registry.ts
@@ -35,6 +35,7 @@ class PluginRegistry {
    */
   configure(config: InstrumentationConfig): void {
     if (this.enabled) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         "Braintrust: Cannot configure instrumentation after it has been enabled. " +
           "Call configureInstrumentation() before importing any AI SDKs.",
diff --git a/js/src/isomorph.ts b/js/src/isomorph.ts
index 4091ba206..130793ae2 100644
--- a/js/src/isomorph.ts
+++ b/js/src/isomorph.ts
@@ -301,6 +301,7 @@ const iso: Common = {
   ) => new DefaultTracingChannel<M>(nameOrChannels),
   processOn: (_0, _1) => {},
   basename: (filepath: string) => filepath.split(/[\\/]/).pop() || filepath,
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   writeln: (text: string) => console.log(text),
 };
 export default iso;
diff --git a/js/src/prompt-cache/disk-cache.ts b/js/src/prompt-cache/disk-cache.ts
index e99c7e7d9..8d5dc256c 100644
--- a/js/src/prompt-cache/disk-cache.ts
+++ b/js/src/prompt-cache/disk-cache.ts
@@ -96,6 +96,7 @@ export class DiskCache<T> {
         return undefined;
       }
       if (this.logWarnings) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn("Failed to read from disk cache", e);
       }
       return undefined;
@@ -121,6 +122,7 @@ export class DiskCache<T> {
       await this.evictOldestIfFull();
     } catch (e) {
       if (this.logWarnings) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn("Failed to write to disk cache", e);
       }
       return;
diff --git a/js/src/reporters/progress.ts b/js/src/reporters/progress.ts
index bf897e407..d1a8e5303 100644
--- a/js/src/reporters/progress.ts
+++ b/js/src/reporters/progress.ts
@@ -2,6 +2,7 @@ import type { ProgressReporter } from "./types";
 
 export class SimpleProgressReporter implements ProgressReporter {
   public start(name: string, _total: number) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.log(`Running evaluator ${name}`);
   }
   public stop() {}
diff --git a/js/src/template/registry.ts b/js/src/template/registry.ts
index a0686eb10..6ebcace61 100644
--- a/js/src/template/registry.ts
+++ b/js/src/template/registry.ts
@@ -67,6 +67,7 @@ class TemplatePluginRegistry {
 
   register(plugin: TemplateRendererPlugin): void {
     if (this.plugins.has(plugin.name)) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(
         `Template plugin '${plugin.name}' already registered, overwriting`,
       );
diff --git a/js/src/wrappers/ai-sdk/ai-sdk.ts b/js/src/wrappers/ai-sdk/ai-sdk.ts
index d65bf3e16..7572e823f 100644
--- a/js/src/wrappers/ai-sdk/ai-sdk.ts
+++ b/js/src/wrappers/ai-sdk/ai-sdk.ts
@@ -1725,6 +1725,7 @@ const processContentPart = (part: any): any => {
       }
     }
   } catch (error) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn("Error processing content part:", error);
   }
 
@@ -1787,6 +1788,7 @@ const convertImageToAttachment = (
       return image;
     }
   } catch (error) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn("Error converting image to attachment:", error);
   }
 
@@ -1835,6 +1837,7 @@ const convertDataToAttachment = (
       });
     }
   } catch (error) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn("Error converting data to attachment:", error);
   }
 
@@ -1898,6 +1901,7 @@ const processOutputAttachments = async (output: AISDKResult) => {
   try {
     return await doProcessOutputAttachments(output);
   } catch (error) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.error("Error processing output attachments:", error);
     return output;
   }
@@ -1955,6 +1959,7 @@ const convertFileToAttachment = (
     }
 
     if (!blob) {
+      // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
       console.warn(`Failed to convert file at index ${index} to Blob`);
       return file; // Return original if conversion fails
     }
@@ -1965,6 +1970,7 @@ const convertFileToAttachment = (
       contentType: mediaType,
     });
   } catch (error) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(`Error processing file at index ${index}:`, error);
     return file; // Return original on error
   }
diff --git a/js/src/wrappers/ai-sdk/deprecated/wrapAISDKModel.ts b/js/src/wrappers/ai-sdk/deprecated/wrapAISDKModel.ts
index 059a0ec22..c3f928d84 100644
--- a/js/src/wrappers/ai-sdk/deprecated/wrapAISDKModel.ts
+++ b/js/src/wrappers/ai-sdk/deprecated/wrapAISDKModel.ts
@@ -25,6 +25,7 @@ export function wrapAISDKModel<T extends object>(model: T): T {
   ) {
     return new BraintrustLanguageModelWrapper(m) as any as T;
   } else {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn("Unsupported AI SDK model. Not wrapping.");
     return model;
   }
diff --git a/js/src/wrappers/anthropic.ts b/js/src/wrappers/anthropic.ts
index 7048e5f40..c3135320b 100644
--- a/js/src/wrappers/anthropic.ts
+++ b/js/src/wrappers/anthropic.ts
@@ -28,6 +28,7 @@ export function wrapAnthropic<T extends object>(anthropic: T): T {
     return anthropicProxy(au as AnthropicClient) as T;
   }
 
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.warn("Unsupported Anthropic library. Not wrapping.");
   return anthropic;
 }
diff --git a/js/src/wrappers/claude-agent-sdk/claude-agent-sdk.ts b/js/src/wrappers/claude-agent-sdk/claude-agent-sdk.ts
index 66c9f01b1..28f2af611 100644
--- a/js/src/wrappers/claude-agent-sdk/claude-agent-sdk.ts
+++ b/js/src/wrappers/claude-agent-sdk/claude-agent-sdk.ts
@@ -24,6 +24,7 @@ export function wrapClaudeAgentSDK<T extends object>(sdk: T): T {
     return claudeAgentSDKProxy(s as ClaudeAgentSDKModule) as unknown as T;
   }
 
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.warn("Unsupported Claude Agent SDK. Not wrapping.");
   return sdk;
 }
diff --git a/js/src/wrappers/google-genai.ts b/js/src/wrappers/google-genai.ts
index 88c69eb0c..8a7e5fc61 100644
--- a/js/src/wrappers/google-genai.ts
+++ b/js/src/wrappers/google-genai.ts
@@ -27,11 +27,13 @@ export function wrapGoogleGenAI<T extends Record<string, any>>(
   googleGenAI: T,
 ): T {
   if (!googleGenAI || typeof googleGenAI !== "object") {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn("Invalid Google GenAI module. Not wrapping.");
     return googleGenAI;
   }
 
   if (!("GoogleGenAI" in googleGenAI)) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn(
       "GoogleGenAI class not found in module. Not wrapping. Make sure you're passing the module itself (import * as googleGenAI from '@google/genai').",
     );
diff --git a/js/src/wrappers/oai.ts b/js/src/wrappers/oai.ts
index 6411020b8..c57143faf 100644
--- a/js/src/wrappers/oai.ts
+++ b/js/src/wrappers/oai.ts
@@ -63,6 +63,7 @@ export function wrapOpenAI<T extends object>(openai: T): T {
     // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
     return wrapOpenAIv4(typedOpenAI) as T;
   } else {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.warn("Unsupported OpenAI library (potentially v3). Not wrapping.");
     return openai;
   }
diff --git a/js/src/wrappers/openrouter.ts b/js/src/wrappers/openrouter.ts
index 70228c964..69d38873a 100644
--- a/js/src/wrappers/openrouter.ts
+++ b/js/src/wrappers/openrouter.ts
@@ -36,6 +36,7 @@ export function wrapOpenRouter<T>(openrouter: T): T {
     return openRouterProxy(or as OpenRouterClient) as T;
   }
 
+  // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
   console.warn("Unsupported OpenRouter library. Not wrapping.");
   return openrouter;
 }
diff --git a/js/src/wrappers/shared/flush.ts b/js/src/wrappers/shared/flush.ts
index 907389d3b..e7e009d70 100644
--- a/js/src/wrappers/shared/flush.ts
+++ b/js/src/wrappers/shared/flush.ts
@@ -13,6 +13,7 @@ export async function summarizeAndFlush(
   const shouldDisplay = options.displaySummary ?? true;
   const summary = await experiment.summarize();
   if (shouldDisplay) {
+    // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
     console.log(formatExperimentSummary(summary));
   }
 }
diff --git a/js/src/wrappers/shared/scorers.ts b/js/src/wrappers/shared/scorers.ts
index c5cb4619c..43080027f 100644
--- a/js/src/wrappers/shared/scorers.ts
+++ b/js/src/wrappers/shared/scorers.ts
@@ -44,6 +44,7 @@ export async function runScorers(args: {
       } catch (scorerError) {
         // Log scorer error but don't fail the test — use metadata instead
         // of top-level error field to avoid marking the span as errored
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn("Braintrust: Scorer failed:", scorerError);
         const errorStr =
           scorerError instanceof Error
diff --git a/js/src/wrappers/vitest/index.ts b/js/src/wrappers/vitest/index.ts
index 3671c8be9..5ff41b157 100644
--- a/js/src/wrappers/vitest/index.ts
+++ b/js/src/wrappers/vitest/index.ts
@@ -102,6 +102,7 @@ export function wrapVitest<
     flushExperiment: async (options?: { displaySummary?: boolean }) => {
       const ctx = getExperimentContext();
       if (!ctx) {
+        // eslint-disable-next-line no-restricted-properties -- preserving intentional console usage.
         console.warn(
           "Braintrust: No experiment context found. Make sure you're using bt.describe() and calling flushExperiment() within an afterAll() hook.",
         );