diff --git a/FlowHelpers/1.0.0/cliUtils.js b/FlowHelpers/1.0.0/cliUtils.js
index 80146a2..3092d33 100644
--- a/FlowHelpers/1.0.0/cliUtils.js
+++ b/FlowHelpers/1.0.0/cliUtils.js
@@ -4,8 +4,10 @@
  * Used only for local testing — on real Tdarr this file comes from the server.
  *
  * Matches the real Tdarr CLI constructor signature:
- *   new CLI({ cli, spawnArgs, WorkDir, jobLog, inputFileObj })
- * inputFileObj is accepted but unused here (only used by real Tdarr for progress tracking).
+ *   new CLI({ cli, spawnArgs, WorkDir, jobLog, inputFileObj, updateWorker })
+ * - inputFileObj : used by real Tdarr for ffprobe-based progress tracking
+ * - updateWorker : callback used by real Tdarr to push progress to the UI
+ * Both are accepted but unused here (local mock just logs to stdout).
  */
 const { spawn } = require('child_process');
 
diff --git a/LocalFlowPlugins/audio/backupSourceAudio/1.0.0/index.js b/LocalFlowPlugins/audio/backupSourceAudio/1.0.0/index.js
index 8eca5b3..a13503d 100644
--- a/LocalFlowPlugins/audio/backupSourceAudio/1.0.0/index.js
+++ b/LocalFlowPlugins/audio/backupSourceAudio/1.0.0/index.js
@@ -34,7 +34,7 @@ const details = () => ({
 });
 
 const plugin = async (args) => {
-  const { jobLog, inputFileObj, variables, workDir } = args;
+  const { jobLog, inputFileObj, variables, workDir, updateWorker } = args;
 
   const inputFile = inputFileObj._id;
   jobLog(`[backupSourceAudio] Processing: ${inputFile}\n`);
@@ -77,6 +77,7 @@ const plugin = async (args) => {
     WorkDir: workDir,
     jobLog,
     inputFileObj,
+    updateWorker,
   });
 
   const { cliExitCode } = await cli.runCli();
diff --git a/LocalFlowPlugins/subtitles/extractSubtitlesAndOcr/1.0.0/index.js b/LocalFlowPlugins/subtitles/extractSubtitlesAndOcr/1.0.0/index.js
index d384c29..06054f8 100644
--- a/LocalFlowPlugins/subtitles/extractSubtitlesAndOcr/1.0.0/index.js
+++ b/LocalFlowPlugins/subtitles/extractSubtitlesAndOcr/1.0.0/index.js
@@ -79,10 +79,10 @@ const buildSuffix = (lang, stream) => {
   return parts.join('.');
 };
 
-const runFFmpeg = async (spawnArgs, workDir, ffmpegPath, jobLog, inputFileObj) => {
+const runFFmpeg = async (spawnArgs, workDir, ffmpegPath, jobLog, inputFileObj, updateWorker) => {
   const { CLI } = require('../../../../FlowHelpers/1.0.0/cliUtils');
   const cli = new CLI({
-    cli: ffmpegPath, spawnArgs, WorkDir: workDir, jobLog, inputFileObj,
+    cli: ffmpegPath, spawnArgs, WorkDir: workDir, jobLog, inputFileObj, updateWorker,
   });
   return cli.runCli();
 };
@@ -90,7 +90,7 @@ const runFFmpeg = async (spawnArgs, workDir, ffmpegPath, jobLog, inputFileObj) =
 // ─── Plugin ───────────────────────────────────────────────────────────────────
 
 const plugin = async (args) => {
-  const { jobLog, inputFileObj, variables, workDir } = args;
+  const { jobLog, inputFileObj, variables, workDir, updateWorker } = args;
 
   const inputFile = inputFileObj._id;
   const sourceDir = path.dirname(inputFile);
@@ -129,7 +129,7 @@ const plugin = async (args) => {
     if (TEXT_CODECS.has(codec)) {
       const { cliExitCode } = await runFFmpeg(
         ['-y', '-i', inputFile, '-map', `0:${stream.index}`, '-c:s', 'srt', outSrt],
-        workDir, args.ffmpegPath, jobLog, inputFileObj,
+        workDir, args.ffmpegPath, jobLog, inputFileObj, updateWorker,
       );
       if (cliExitCode !== 0) {
         jobLog(`[extractSubtitlesAndOcr] WARNING: FFmpeg failed for stream #${stream.index} (exit ${cliExitCode}).\n`);
@@ -146,7 +146,7 @@ const plugin = async (args) => {
       // Step 1: Extract to .sup
       const { cliExitCode: extractExit } = await runFFmpeg(
         ['-y', '-i', inputFile, '-map', `0:${stream.index}`, '-c:s', 'copy', tmpSup],
-        workDir, args.ffmpegPath, jobLog, inputFileObj,
+        workDir, args.ffmpegPath, jobLog, inputFileObj, updateWorker,
       );
 
       if (extractExit !== 0) {
@@ -167,6 +167,7 @@ const plugin = async (args) => {
           WorkDir: workDir,
           jobLog,
           inputFileObj,
+          updateWorker,
         });
         const { cliExitCode: seExit } = await seCli.runCli();
 
diff --git a/LocalFlowPlugins/utility/copyToWorkDir/1.0.0/index.js b/LocalFlowPlugins/utility/copyToWorkDir/1.0.0/index.js
new file mode 100644
index 0000000..08640db
--- /dev/null
+++ b/LocalFlowPlugins/utility/copyToWorkDir/1.0.0/index.js
@@ -0,0 +1,114 @@
+'use strict';
+
+const path = require('path');
+const fs   = require('fs');
+
+/* eslint-disable no-param-reassign */
+
+/**
+ * copyToWorkDir
+ * Copies the source file to the worker's local workDir before processing.
+ *
+ * Use this plugin BEFORE any transcode/extract plugin when:
+ *   - The source file lives on a network share / mapped drive
+ *   - You want the worker to encode from a local copy to avoid I/O bottleneck
+ *   - The network path is slow or unreliable during long encodes
+ *
+ * Flow:
+ *   1. Copies source → workDir/<basename><ext>  (streams, no RAM load)
+ *   2. Updates outputFileObj._id to the local copy path
+ *   3. Downstream plugins operate on the local copy
+ *   4. Tdarr replaces the original with the final output as usual
+ */
+
+const details = () => ({
+  name: 'Copy Source to Work Dir',
+  description:
+    'Copies the source file into the worker local workDir before processing. '
+    + 'Use before transcode plugins when the source is on a slow network share '
+    + 'to avoid I/O bottleneck during encode. '
+    + 'The local copy is used by all subsequent plugins in this flow.',
+  style: { borderColor: '#607D8B' },
+  tags: 'utility',
+  isStartPlugin: false,
+  pType: '',
+  requiresVersion: '2.11.01',
+  sidebarPosition: 0,
+  icon: 'faCopy',
+  inputs: [
+    {
+      label: 'Skip if already local',
+      name: 'skipIfLocal',
+      type: 'boolean',
+      defaultValue: 'true',
+      inputUI: {
+        type: 'dropdown',
+        options: ['true', 'false'],
+      },
+      tooltip:
+        'If true, skip the copy when the source file is already inside workDir '
+        + 'or on the same drive as workDir (avoids double-copy on mapped nodes).',
+    },
+  ],
+  outputs: [
+    { number: 1, tooltip: 'File is ready in workDir — continue to next plugin' },
+  ],
+});
+
+// ─── Plugin ───────────────────────────────────────────────────────────────────
+
+const plugin = async (args) => {
+  const { jobLog, inputFileObj, variables, workDir } = args;
+
+  const inputFile = inputFileObj._id;
+  const ext       = path.extname(inputFile);
+  const baseName  = path.basename(inputFile, ext);
+  const localCopy = path.join(workDir, `${baseName}${ext}`);
+
+  jobLog(`[copyToWorkDir] Source : ${inputFile}\n`);
+  jobLog(`[copyToWorkDir] WorkDir: ${workDir}\n`);
+
+  // ── Optional: skip if source is already local ─────────────────────────────
+  const skipIfLocal = (args.inputs.skipIfLocal || 'true') === 'true';
+  if (skipIfLocal) {
+    const srcDrive   = inputFile.split(/[/\\]/)[0].toUpperCase();   // e.g. "T:"
+    const workDrive  = workDir.split(/[/\\]/)[0].toUpperCase();     // e.g. "T:"
+    const alreadyLocal = (
+      inputFile.startsWith(workDir)
+      || (srcDrive && workDrive && srcDrive === workDrive)
+    );
+    if (alreadyLocal) {
+      jobLog(`[copyToWorkDir] Source is already local (same drive: ${srcDrive}) — skipping copy.\n`);
+      return { outputNumber: 1, outputFileObj: inputFileObj, variables };
+    }
+  }
+
+  // ── Copy using streams (no RAM spike for large files) ────────────────────
+  jobLog(`[copyToWorkDir] Copying to: ${localCopy}\n`);
+
+  const startMs = Date.now();
+
+  await new Promise((resolve, reject) => {
+    const rd = fs.createReadStream(inputFile);
+    const wr = fs.createWriteStream(localCopy);
+
+    rd.on('error', reject);
+    wr.on('error', reject);
+    wr.on('finish', resolve);
+    rd.pipe(wr);
+  });
+
+  const elapsed = ((Date.now() - startMs) / 1000).toFixed(1);
+  const sizeMb  = (fs.statSync(localCopy).size / 1024 / 1024).toFixed(1);
+  jobLog(`[copyToWorkDir] Done: ${sizeMb} MB copied in ${elapsed}s\n`);
+
+  // Return updated inputFileObj pointing to the local copy
+  return {
+    outputNumber: 1,
+    outputFileObj: { ...inputFileObj, _id: localCopy },
+    variables,
+  };
+};
+
+module.exports.details = details;
+module.exports.plugin = plugin;
diff --git a/LocalFlowPlugins/utility/extractChaptersXml/1.0.0/index.js b/LocalFlowPlugins/utility/extractChaptersXml/1.0.0/index.js
index f79a9e5..5732546 100644
--- a/LocalFlowPlugins/utility/extractChaptersXml/1.0.0/index.js
+++ b/LocalFlowPlugins/utility/extractChaptersXml/1.0.0/index.js
@@ -25,7 +25,7 @@ const details = () => ({
 });
 
 const plugin = async (args) => {
-  const { jobLog, inputFileObj, variables, workDir } = args;
+  const { jobLog, inputFileObj, variables, workDir, updateWorker } = args;
 
   const inputFile = inputFileObj._id;
   const baseName  = path.basename(inputFile, path.extname(inputFile));
@@ -50,6 +50,7 @@ const plugin = async (args) => {
     WorkDir: workDir,
     jobLog,
     inputFileObj,
+    updateWorker,
   });
 
   const { cliExitCode } = await cli.runCli();
diff --git a/LocalFlowPlugins/video/transcode2PassX265/1.0.0/index.js b/LocalFlowPlugins/video/transcode2PassX265/1.0.0/index.js
index 0e2747b..fbe36ab 100644
--- a/LocalFlowPlugins/video/transcode2PassX265/1.0.0/index.js
+++ b/LocalFlowPlugins/video/transcode2PassX265/1.0.0/index.js
@@ -98,7 +98,7 @@ const buildAudioArgs = (variables) => {
 // ─── Plugin ───────────────────────────────────────────────────────────────────
 
 const plugin = async (args) => {
-  const { jobLog, inputFileObj, variables, workDir } = args;
+  const { jobLog, inputFileObj, variables, workDir, updateWorker } = args;
 
   const inputFile = inputFileObj._id;
   jobLog(`[transcode2PassX265] Source: ${inputFile}\n`);
@@ -178,6 +178,7 @@ const plugin = async (args) => {
     WorkDir: workDir,
     jobLog,
     inputFileObj,
+    updateWorker,
   });
 
   const { cliExitCode: pass1Exit } = await pass1Cli.runCli();
@@ -209,6 +210,7 @@ const plugin = async (args) => {
     WorkDir: workDir,
     jobLog,
     inputFileObj,
+    updateWorker,
   });
 
   const { cliExitCode: pass2Exit } = await pass2Cli.runCli();