docs: Regenerate tutorials with new preview format

Table previews now show codec names instead of =BLOB=:
- Raw blobs show "bytes"
- Raw json shows "json"
- Codec fields show "<codec_name>" (e.g., <blob>, <hash>)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: dimitri-yatsenko

src/tutorials/advanced/custom-codecs.ipynb

@@ -20,18 +20,18 @@
    "id": "cell-1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-11T17:01:00.083503Z",
-     "iopub.status.busy": "2026-01-11T17:01:00.083325Z",
-     "iopub.status.idle": "2026-01-11T17:01:00.845574Z",
-     "shell.execute_reply": "2026-01-11T17:01:00.845245Z"
+     "iopub.execute_input": "2026-01-12T00:39:45.246124Z",
+     "iopub.status.busy": "2026-01-12T00:39:45.245891Z",
+     "iopub.status.idle": "2026-01-12T00:39:45.961842Z",
+     "shell.execute_reply": "2026-01-12T00:39:45.961550Z"
     }
    },
    "outputs": [
     {
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "[2026-01-11 11:01:00,836][INFO]: DataJoint 2.0.0a16 connected to root@127.0.0.1:3306\n"
+      "[2026-01-11 18:39:45,952][INFO]: DataJoint 2.0.0a16 connected to root@127.0.0.1:3306\n"
      ]
     }
    ],
@@ -56,10 +56,10 @@
    "id": "cell-3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-11T17:01:00.847435Z",
-     "iopub.status.busy": "2026-01-11T17:01:00.847215Z",
-     "iopub.status.idle": "2026-01-11T17:01:00.850359Z",
-     "shell.execute_reply": "2026-01-11T17:01:00.850069Z"
+     "iopub.execute_input": "2026-01-12T00:39:45.963751Z",
+     "iopub.status.busy": "2026-01-12T00:39:45.963536Z",
+     "iopub.status.idle": "2026-01-12T00:39:45.966457Z",
+     "shell.execute_reply": "2026-01-12T00:39:45.966218Z"
     }
    },
    "outputs": [],
@@ -94,18 +94,18 @@
    "id": "cell-4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-11T17:01:00.851873Z",
-     "iopub.status.busy": "2026-01-11T17:01:00.851746Z",
-     "iopub.status.idle": "2026-01-11T17:01:00.877875Z",
-     "shell.execute_reply": "2026-01-11T17:01:00.877451Z"
+     "iopub.execute_input": "2026-01-12T00:39:45.967841Z",
+     "iopub.status.busy": "2026-01-12T00:39:45.967748Z",
+     "iopub.status.idle": "2026-01-12T00:39:45.994572Z",
+     "shell.execute_reply": "2026-01-12T00:39:45.994193Z"
     }
    },
    "outputs": [
     {
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "[2026-01-11 11:01:00,854][WARNING]: Native type 'int' is used in attribute 'conn_id'. Consider using a core DataJoint type for better portability.\n"
+      "[2026-01-11 18:39:45,970][WARNING]: Native type 'int' is used in attribute 'conn_id'. Consider using a core DataJoint type for better portability.\n"
      ]
     }
    ],
@@ -125,10 +125,10 @@
    "id": "cell-5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-11T17:01:00.879771Z",
-     "iopub.status.busy": "2026-01-11T17:01:00.879650Z",
-     "iopub.status.idle": "2026-01-11T17:01:00.891402Z",
-     "shell.execute_reply": "2026-01-11T17:01:00.891084Z"
+     "iopub.execute_input": "2026-01-12T00:39:45.996493Z",
+     "iopub.status.busy": "2026-01-12T00:39:45.996330Z",
+     "iopub.status.idle": "2026-01-12T00:39:46.009015Z",
+     "shell.execute_reply": "2026-01-12T00:39:46.008709Z"
     }
    },
    "outputs": [
@@ -192,10 +192,10 @@
    "id": "cell-8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-11T17:01:00.892973Z",
-     "iopub.status.busy": "2026-01-11T17:01:00.892847Z",
-     "iopub.status.idle": "2026-01-11T17:01:00.895912Z",
-     "shell.execute_reply": "2026-01-11T17:01:00.895657Z"
+     "iopub.execute_input": "2026-01-12T00:39:46.010853Z",
+     "iopub.status.busy": "2026-01-12T00:39:46.010693Z",
+     "iopub.status.idle": "2026-01-12T00:39:46.013411Z",
+     "shell.execute_reply": "2026-01-12T00:39:46.013148Z"
     }
    },
    "outputs": [],
@@ -227,18 +227,18 @@
    "id": "cell-9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-11T17:01:00.897298Z",
-     "iopub.status.busy": "2026-01-11T17:01:00.897190Z",
-     "iopub.status.idle": "2026-01-11T17:01:00.921782Z",
-     "shell.execute_reply": "2026-01-11T17:01:00.921493Z"
+     "iopub.execute_input": "2026-01-12T00:39:46.014894Z",
+     "iopub.status.busy": "2026-01-12T00:39:46.014784Z",
+     "iopub.status.idle": "2026-01-12T00:39:46.039219Z",
+     "shell.execute_reply": "2026-01-12T00:39:46.038937Z"
     }
    },
    "outputs": [
     {
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "[2026-01-11 11:01:00,899][WARNING]: Native type 'int' is used in attribute 'unit_id'. Consider using a core DataJoint type for better portability.\n"
+      "[2026-01-11 18:39:46,016][WARNING]: Native type 'int' is used in attribute 'unit_id'. Consider using a core DataJoint type for better portability.\n"
      ]
     },
     {
@@ -271,10 +271,10 @@
    "id": "cell-10",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-11T17:01:00.923179Z",
-     "iopub.status.busy": "2026-01-11T17:01:00.923056Z",
-     "iopub.status.idle": "2026-01-11T17:01:00.936296Z",
-     "shell.execute_reply": "2026-01-11T17:01:00.935939Z"
+     "iopub.execute_input": "2026-01-12T00:39:46.040763Z",
+     "iopub.status.busy": "2026-01-12T00:39:46.040629Z",
+     "iopub.status.idle": "2026-01-12T00:39:46.049964Z",
+     "shell.execute_reply": "2026-01-12T00:39:46.049609Z"
     }
    },
    "outputs": [],