diff --git a/INDEX.json b/INDEX.json
index 20edaa005..b1df1c50f 100644
--- a/INDEX.json
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@@ -3227,15 +3137,6 @@
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@@ -3444,15 +3282,6 @@
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@@ -3507,24 +3336,6 @@
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@@ -3543,15 +3354,6 @@
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@@ -3607,15 +3409,6 @@
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@@ -3635,15 +3428,6 @@
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@@ -3653,42 +3437,6 @@
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@@ -4013,6 +3761,258 @@
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+    {
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+    {
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+      "has_transcript": true
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+    {
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+    {
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+    {
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+    {
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+    {
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+    {
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+    {
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+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012",
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+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013",
+      "series": "TextbookGroup",
+      "item": "Session_013",
+      "parts": [
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+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014",
+      "series": "TextbookGroup",
+      "item": "Session_014",
+      "parts": [
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+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015",
+      "series": "TextbookGroup",
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+      "parts": [
+        "5FOF6Lx_5lE"
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+      "has_transcript": true
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+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016",
+      "series": "TextbookGroup",
+      "item": "Session_016",
+      "parts": [
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+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017",
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+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018",
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+      "has_transcript": true
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+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019",
+      "series": "TextbookGroup",
+      "item": "Session_019",
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+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020",
+      "series": "TextbookGroup",
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+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021",
+      "series": "TextbookGroup",
+      "item": "Session_021",
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+        "AwYVTQDHkt8"
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+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022",
+      "series": "TextbookGroup",
+      "item": "Session_022",
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+        "lMROkmtaUWo"
+      ],
+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023",
+      "series": "TextbookGroup",
+      "item": "Session_023",
+      "parts": [
+        "MjeQeWeyYhE"
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+      "has_transcript": false
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024",
+      "series": "TextbookGroup",
+      "item": "Session_024",
+      "parts": [
+        "FtGnkRJwk6U"
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+      "has_transcript": false
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025",
+      "series": "TextbookGroup",
+      "item": "Session_025",
+      "parts": [
+        "V46B4Xy1PeQ"
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+      "has_transcript": false
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026",
+      "series": "TextbookGroup",
+      "item": "Session_026",
+      "parts": [
+        "FnYCaCkah4U"
+      ],
+      "has_transcript": false
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027",
+      "series": "TextbookGroup",
+      "item": "Session_027",
+      "parts": [
+        "SBCl8DeaJYU"
+      ],
+      "has_transcript": false
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw",
+      "series": "TextbookGroup",
+      "item": "qwjwbiJ1LLw",
+      "parts": [
+        "qwjwbiJ1LLw"
+      ],
+      "has_transcript": true
+    },
+    {
+      "path": "data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s",
+      "series": "TextbookGroup",
+      "item": "tmqPfDfQ5-s",
+      "parts": [
+        "tmqPfDfQ5-s"
+      ],
+      "has_transcript": true
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     {
       "path": "data/video/activeinferenceinstitute/TextbookGroup/ParrPezzuloFriston2022/Cohort_1/Meeting_001",
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diff --git a/INDEX.md b/INDEX.md
index 60abc44dc..13af01f95 100644
--- a/INDEX.md
+++ b/INDEX.md
@@ -333,93 +333,65 @@
 - ✓ [`OrgStream_008`](data/video/activeinferenceinstitute/OrgStream/OrgStream_008/) — 1 video record(s)
 - ✓ [`OrgStream_009`](data/video/activeinferenceinstitute/OrgStream/OrgStream_009/) — 1 video record(s)
 
-## Other (90)
+## Other (62)
 - ✓ [`-39CESDAfLM`](data/video/activeinferenceinstitute/Other/-39CESDAfLM/) — 1 video record(s)
 - ✓ [`0A36OXIDLhQ`](data/video/activeinferenceinstitute/Other/0A36OXIDLhQ/) — 1 video record(s)
 - ✓ [`1ZJBJGzOn0g`](data/video/activeinferenceinstitute/Other/1ZJBJGzOn0g/) — 1 video record(s)
-- ✓ [`5FOF6Lx_5lE`](data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/) — 1 video record(s)
 - ✓ [`5uTr029Vzkg`](data/video/activeinferenceinstitute/Other/5uTr029Vzkg/) — 1 video record(s)
 - ✓ [`7FuojyQMabw`](data/video/activeinferenceinstitute/Other/7FuojyQMabw/) — 1 video record(s)
-- ✓ [`7UbCTp7BAUQ`](data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/) — 1 video record(s)
-- ✓ [`7XrONg4dBrI`](data/video/activeinferenceinstitute/Other/7XrONg4dBrI/) — 1 video record(s)
 - ✓ [`8-wpEkwG8ck`](data/video/activeinferenceinstitute/Other/8-wpEkwG8ck/) — 1 video record(s)
 - ✓ [`8X9K_gZWhqs`](data/video/activeinferenceinstitute/Other/8X9K_gZWhqs/) — 1 video record(s)
 - ✓ [`9v22c92LWHQ`](data/video/activeinferenceinstitute/Other/9v22c92LWHQ/) — 1 video record(s)
-- ✓ [`AwYVTQDHkt8`](data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/) — 1 video record(s)
 - ✓ [`B64lXpQAOus`](data/video/activeinferenceinstitute/Other/B64lXpQAOus/) — 1 video record(s)
 - ✓ [`BNLnbOFdgc0`](data/video/activeinferenceinstitute/Other/BNLnbOFdgc0/) — 1 video record(s)
 - ✓ [`C1Uqxg7mDCo`](data/video/activeinferenceinstitute/Other/C1Uqxg7mDCo/) — 1 video record(s)
-- ✓ [`C9BBt5DmZuU`](data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/) — 1 video record(s)
 - ✓ [`E3xAZAs7YeA`](data/video/activeinferenceinstitute/Other/E3xAZAs7YeA/) — 1 video record(s)
 - ✓ [`Ei8LHRlmbzI`](data/video/activeinferenceinstitute/Other/Ei8LHRlmbzI/) — 1 video record(s)
 - ✓ [`EkYlOX-f9sk`](data/video/activeinferenceinstitute/Other/EkYlOX-f9sk/) — 1 video record(s)
 - ✓ [`FlZa_odQymU`](data/video/activeinferenceinstitute/Other/FlZa_odQymU/) — 1 video record(s)
-- · [`FnYCaCkah4U`](data/video/activeinferenceinstitute/Other/FnYCaCkah4U/) — 1 video record(s)
-- · [`FtGnkRJwk6U`](data/video/activeinferenceinstitute/Other/FtGnkRJwk6U/) — 1 video record(s)
-- ✓ [`GMqkygROLO4`](data/video/activeinferenceinstitute/Other/GMqkygROLO4/) — 1 video record(s)
 - ✓ [`G_Jksni5o8I`](data/video/activeinferenceinstitute/Other/G_Jksni5o8I/) — 1 video record(s)
 - ✓ [`JkORFoyk8o8`](data/video/activeinferenceinstitute/Other/JkORFoyk8o8/) — 1 video record(s)
-- ✓ [`K9X0WsKx-mQ`](data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/) — 1 video record(s)
 - ✓ [`KR9KCKQ-KJo`](data/video/activeinferenceinstitute/Other/KR9KCKQ-KJo/) — 1 video record(s)
 - ✓ [`LI_ZIXys1xU`](data/video/activeinferenceinstitute/Other/LI_ZIXys1xU/) — 1 video record(s)
 - ✓ [`MRTULbP1ZKs`](data/video/activeinferenceinstitute/Other/MRTULbP1ZKs/) — 1 video record(s)
-- · [`MjeQeWeyYhE`](data/video/activeinferenceinstitute/Other/MjeQeWeyYhE/) — 1 video record(s)
 - ✓ [`OCCIDeeKOMA`](data/video/activeinferenceinstitute/Other/OCCIDeeKOMA/) — 1 video record(s)
 - ✓ [`P3h51-J4g8M`](data/video/activeinferenceinstitute/Other/P3h51-J4g8M/) — 1 video record(s)
 - ✓ [`PVeyvHSAwmk`](data/video/activeinferenceinstitute/Other/PVeyvHSAwmk/) — 1 video record(s) — duplicate of `Applied Active Inference Symposium/2023 Ecosystem Symposium/Second_Interval`
 - ✓ [`QmVuId8SY8k`](data/video/activeinferenceinstitute/Other/QmVuId8SY8k/) — 1 video record(s)
 - ✓ [`RDDfKm4yQIo`](data/video/activeinferenceinstitute/Other/RDDfKm4yQIo/) — 1 video record(s)
-- · [`SBCl8DeaJYU`](data/video/activeinferenceinstitute/Other/SBCl8DeaJYU/) — 1 video record(s)
 - ✓ [`TOZp_XNYijQ`](data/video/activeinferenceinstitute/Other/TOZp_XNYijQ/) — 1 video record(s)
 - ✓ [`TaFwI2zr_lE`](data/video/activeinferenceinstitute/Other/TaFwI2zr_lE/) — 1 video record(s)
 - ✓ [`TsQQX3ZdEmA`](data/video/activeinferenceinstitute/Other/TsQQX3ZdEmA/) — 1 video record(s)
-- ✓ [`U09k-58lO6I`](data/video/activeinferenceinstitute/Other/U09k-58lO6I/) — 1 video record(s)
 - ✓ [`U6Edc13EQ_k`](data/video/activeinferenceinstitute/Other/U6Edc13EQ_k/) — 1 video record(s)
-- ✓ [`UQGvfgp0bq4`](data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/) — 1 video record(s)
 - ✓ [`UYD8CR_Xorg`](data/video/activeinferenceinstitute/Other/UYD8CR_Xorg/) — 1 video record(s)
-- · [`V46B4Xy1PeQ`](data/video/activeinferenceinstitute/Other/V46B4Xy1PeQ/) — 1 video record(s)
 - ✓ [`VTivWre-8Kk`](data/video/activeinferenceinstitute/Other/VTivWre-8Kk/) — 1 video record(s)
 - ✓ [`WkWIqpxWRM4`](data/video/activeinferenceinstitute/Other/WkWIqpxWRM4/) — 1 video record(s)
 - ✓ [`WxTOeCnQNmY`](data/video/activeinferenceinstitute/Other/WxTOeCnQNmY/) — 1 video record(s)
 - ✓ [`XcoPRGZRO28`](data/video/activeinferenceinstitute/Other/XcoPRGZRO28/) — 1 video record(s)
 - ✓ [`YxrIbWTjSp4`](data/video/activeinferenceinstitute/Other/YxrIbWTjSp4/) — 1 video record(s)
-- ✓ [`ZRtkCaC9GPQ`](data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/) — 1 video record(s)
 - ✓ [`ZeIM4mK9UuY`](data/video/activeinferenceinstitute/Other/ZeIM4mK9UuY/) — 1 video record(s)
 - ✓ [`_D3uUU1N0bw`](data/video/activeinferenceinstitute/Other/_D3uUU1N0bw/) — 1 video record(s)
 - ✓ [`_gjGH0Y_Cgo`](data/video/activeinferenceinstitute/Other/_gjGH0Y_Cgo/) — 1 video record(s)
-- ✓ [`b1TeT_3VpjU`](data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/) — 1 video record(s)
 - ✓ [`bPJMnFeaoOc`](data/video/activeinferenceinstitute/Other/bPJMnFeaoOc/) — 1 video record(s)
 - ✓ [`cIBIecj7UZE`](data/video/activeinferenceinstitute/Other/cIBIecj7UZE/) — 1 video record(s) — duplicate of `Applied Active Inference Symposium/2024/part 1`
-- ✓ [`dU2AEEsBLw4`](data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/) — 1 video record(s)
-- ✓ [`eZX2_UARjaY`](data/video/activeinferenceinstitute/Other/eZX2_UARjaY/) — 1 video record(s)
 - ✓ [`fbz2VUi-MOo`](data/video/activeinferenceinstitute/Other/fbz2VUi-MOo/) — 1 video record(s)
-- ✓ [`fc-GmNt3sNg`](data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/) — 1 video record(s)
 - ✓ [`gEmvzUQjQVI`](data/video/activeinferenceinstitute/Other/gEmvzUQjQVI/) — 1 video record(s)
 - ✓ [`gS-qhMNFm84`](data/video/activeinferenceinstitute/Other/gS-qhMNFm84/) — 1 video record(s)
 - ✓ [`geITY8aJJEA`](data/video/activeinferenceinstitute/Other/geITY8aJJEA/) — 1 video record(s)
 - ✓ [`hCIxFkdu_-Y`](data/video/activeinferenceinstitute/Other/hCIxFkdu_-Y/) — 1 video record(s)
 - ✓ [`hSj7eOYuZe4`](data/video/activeinferenceinstitute/Other/hSj7eOYuZe4/) — 1 video record(s)
 - ✓ [`hZBkiePQtvc`](data/video/activeinferenceinstitute/Other/hZBkiePQtvc/) — 1 video record(s)
-- ✓ [`j3zcAdQkZd4`](data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/) — 1 video record(s)
-- ✓ [`j9RaN7bkEFs`](data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/) — 1 video record(s)
 - ✓ [`jFqT_ZR0Z8w`](data/video/activeinferenceinstitute/Other/jFqT_ZR0Z8w/) — 1 video record(s)
 - ✓ [`jnavry7c11A`](data/video/activeinferenceinstitute/Other/jnavry7c11A/) — 1 video record(s)
-- ✓ [`lMROkmtaUWo`](data/video/activeinferenceinstitute/Other/lMROkmtaUWo/) — 1 video record(s)
 - ✓ [`mcMYdZxmVo0`](data/video/activeinferenceinstitute/Other/mcMYdZxmVo0/) — 1 video record(s)
 - ✓ [`nCZZBuk_wmU`](data/video/activeinferenceinstitute/Other/nCZZBuk_wmU/) — 1 video record(s) — duplicate of `Applied Active Inference Symposium/2024/part 2`
 - ✓ [`olybbchPgEY`](data/video/activeinferenceinstitute/Other/olybbchPgEY/) — 1 video record(s)
 - ✓ [`p77yZJ0Bf38`](data/video/activeinferenceinstitute/Other/p77yZJ0Bf38/) — 1 video record(s)
 - ✓ [`q5ZKdxc2tZI`](data/video/activeinferenceinstitute/Other/q5ZKdxc2tZI/) — 1 video record(s)
 - ✓ [`qUJK1IDxKzg`](data/video/activeinferenceinstitute/Other/qUJK1IDxKzg/) — 1 video record(s)
-- ✓ [`qwjwbiJ1LLw`](data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/) — 1 video record(s)
 - ✓ [`rIemcswLfGg`](data/video/activeinferenceinstitute/Other/rIemcswLfGg/) — 1 video record(s) — duplicate of `Applied Active Inference Symposium/2023 Ecosystem Symposium/First_Interval`
 - ✓ [`rOoTkgLI1Z8`](data/video/activeinferenceinstitute/Other/rOoTkgLI1Z8/) — 1 video record(s)
-- ✓ [`rU9VHq_zRYY`](data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/) — 1 video record(s)
 - ✓ [`rs6EjQM6EdI`](data/video/activeinferenceinstitute/Other/rs6EjQM6EdI/) — 1 video record(s)
-- ✓ [`srW4pJDbxgU`](data/video/activeinferenceinstitute/Other/srW4pJDbxgU/) — 1 video record(s)
-- ✓ [`tmqPfDfQ5-s`](data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/) — 1 video record(s)
-- ✓ [`uWovMDhfINU`](data/video/activeinferenceinstitute/Other/uWovMDhfINU/) — 1 video record(s)
-- ✓ [`usPw16z06to`](data/video/activeinferenceinstitute/Other/usPw16z06to/) — 1 video record(s)
 - ✓ [`v7aSUMX1nfs`](data/video/activeinferenceinstitute/Other/v7aSUMX1nfs/) — 1 video record(s)
 - ✓ [`wNCZmPM0V44`](data/video/activeinferenceinstitute/Other/wNCZmPM0V44/) — 1 video record(s)
 - ✓ [`yRhEbr4bpB0`](data/video/activeinferenceinstitute/Other/yRhEbr4bpB0/) — 1 video record(s)
@@ -463,7 +435,35 @@
 - · [`Roundtable_2026.3`](data/video/activeinferenceinstitute/Roundtable/Roundtable_2026.3/) — 1 video record(s)
 - · [`Roundtable_2026.4`](data/video/activeinferenceinstitute/Roundtable/Roundtable_2026.4/) — 1 video record(s)
 
-## TextbookGroup (150)
+## TextbookGroup (178)
+- ✓ [`Session_001`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/) — 1 video record(s)
+- ✓ [`Session_003`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/) — 1 video record(s)
+- ✓ [`Session_004`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/) — 1 video record(s)
+- ✓ [`Session_005`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/) — 1 video record(s)
+- ✓ [`Session_006`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/) — 1 video record(s)
+- ✓ [`Session_007`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/) — 1 video record(s)
+- ✓ [`Session_008`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/) — 1 video record(s)
+- ✓ [`Session_009`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/) — 1 video record(s)
+- ✓ [`Session_010`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/) — 1 video record(s)
+- ✓ [`Session_011`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/) — 1 video record(s)
+- ✓ [`Session_012`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/) — 1 video record(s)
+- ✓ [`Session_013`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/) — 1 video record(s)
+- ✓ [`Session_014`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/) — 1 video record(s)
+- ✓ [`Session_015`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/) — 1 video record(s)
+- ✓ [`Session_016`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/) — 1 video record(s)
+- ✓ [`Session_017`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/) — 1 video record(s)
+- ✓ [`Session_018`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/) — 1 video record(s)
+- ✓ [`Session_019`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/) — 1 video record(s)
+- ✓ [`Session_020`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/) — 1 video record(s)
+- ✓ [`Session_021`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/) — 1 video record(s)
+- ✓ [`Session_022`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/) — 1 video record(s)
+- · [`Session_023`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023/) — 1 video record(s)
+- · [`Session_024`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024/) — 1 video record(s)
+- · [`Session_025`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025/) — 1 video record(s)
+- · [`Session_026`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026/) — 1 video record(s)
+- · [`Session_027`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027/) — 1 video record(s)
+- ✓ [`qwjwbiJ1LLw`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/) — 1 video record(s)
+- ✓ [`tmqPfDfQ5-s`](data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/) — 1 video record(s)
 - ✓ [`Meeting_001`](data/video/activeinferenceinstitute/TextbookGroup/ParrPezzuloFriston2022/Cohort_1/Meeting_001/) — 1 video record(s)
 - ✓ [`Meeting_002`](data/video/activeinferenceinstitute/TextbookGroup/ParrPezzuloFriston2022/Cohort_1/Meeting_002/) — 1 video record(s)
 - ✓ [`Meeting_003`](data/video/activeinferenceinstitute/TextbookGroup/ParrPezzuloFriston2022/Cohort_1/Meeting_003/) — 1 video record(s)
diff --git a/data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/README.md
similarity index 79%
rename from data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/README.md
index 36891876c..3ec5fdae1 100644
--- a/data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/README.md
@@ -1,5 +1,5 @@
-# 7UbCTp7BAUQ
+# Session_001
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Onboarding & Introduction, Session 1) April 21, 2026](https://www.youtube.com/watch?v=7UbCTp7BAUQ) — `7UbCTp7BAUQ`
diff --git a/data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/metadata.json
similarity index 72%
rename from data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/metadata.json
index 43b65e7b6..91ace6c00 100644
--- a/data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/metadata.json
@@ -1,13 +1,13 @@
 {
-  "series": "Other",
-  "item": "7UbCTp7BAUQ",
+  "series": "TextbookGroup",
+  "item": "Session_001",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
   "title": "Fundamentals ~ Onboarding & Introduction (Session 1)",
   "date": "2026-04-21",
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001",
   "enriched_from": [
     "coda",
     "generated"
diff --git a/data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/7UbCTp7BAUQ/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_001/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/README.md
similarity index 79%
rename from data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/README.md
index ac70baf49..8f9cc42ed 100644
--- a/data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/README.md
@@ -1,5 +1,5 @@
-# fc-GmNt3sNg
+# Session_003
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Onboarding & Introduction, Session 3) April 24, 2026](https://www.youtube.com/watch?v=fc-GmNt3sNg) — `fc-GmNt3sNg`
diff --git a/data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/metadata.json
similarity index 68%
rename from data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/metadata.json
index 27069a26c..0388ad8b2 100644
--- a/data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "fc-GmNt3sNg",
+  "series": "TextbookGroup",
+  "item": "Session_003",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/fc-GmNt3sNg",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/fc-GmNt3sNg/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_003/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/eZX2_UARjaY/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/README.md
similarity index 79%
rename from data/video/activeinferenceinstitute/Other/eZX2_UARjaY/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/README.md
index e775f94f6..104a4530e 100644
--- a/data/video/activeinferenceinstitute/Other/eZX2_UARjaY/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/README.md
@@ -1,5 +1,5 @@
-# eZX2_UARjaY
+# Session_004
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 1 and Appendix A, Session 4) April 28, 2026](https://www.youtube.com/watch?v=eZX2_UARjaY) — `eZX2_UARjaY`
diff --git a/data/video/activeinferenceinstitute/Other/eZX2_UARjaY/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/metadata.json
similarity index 68%
rename from data/video/activeinferenceinstitute/Other/eZX2_UARjaY/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/metadata.json
index cf664a1dc..1f2af47e2 100644
--- a/data/video/activeinferenceinstitute/Other/eZX2_UARjaY/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "eZX2_UARjaY",
+  "series": "TextbookGroup",
+  "item": "Session_004",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/eZX2_UARjaY",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/eZX2_UARjaY/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/eZX2_UARjaY/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_004/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/README.md
similarity index 79%
rename from data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/README.md
index 3402578c2..e3670ff72 100644
--- a/data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/README.md
@@ -1,5 +1,5 @@
-# dU2AEEsBLw4
+# Session_005
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 1 and Appendix A, Session 5) April 30, 2026](https://www.youtube.com/watch?v=dU2AEEsBLw4) — `dU2AEEsBLw4`
diff --git a/data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/metadata.json
similarity index 68%
rename from data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/metadata.json
index 97f49ba00..ae0822f03 100644
--- a/data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "dU2AEEsBLw4",
+  "series": "TextbookGroup",
+  "item": "Session_005",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/dU2AEEsBLw4",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/dU2AEEsBLw4/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_005/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/7XrONg4dBrI/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/README.md
similarity index 79%
rename from data/video/activeinferenceinstitute/Other/7XrONg4dBrI/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/README.md
index fd8347f81..6996b2d91 100644
--- a/data/video/activeinferenceinstitute/Other/7XrONg4dBrI/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/README.md
@@ -1,5 +1,5 @@
-# 7XrONg4dBrI
+# Session_006
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 1 and Appendix A, Session 6) May 1, 2026](https://www.youtube.com/watch?v=7XrONg4dBrI) — `7XrONg4dBrI`
diff --git a/data/video/activeinferenceinstitute/Other/7XrONg4dBrI/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/metadata.json
similarity index 68%
rename from data/video/activeinferenceinstitute/Other/7XrONg4dBrI/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/metadata.json
index d4efe831e..ba5c672fa 100644
--- a/data/video/activeinferenceinstitute/Other/7XrONg4dBrI/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "7XrONg4dBrI",
+  "series": "TextbookGroup",
+  "item": "Session_006",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/7XrONg4dBrI",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/7XrONg4dBrI/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/7XrONg4dBrI/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_006/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/README.md
index 3a96faf4e..f3910aab6 100644
--- a/data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/README.md
@@ -1,5 +1,5 @@
-# K9X0WsKx-mQ
+# Session_007
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 2, Session 7) May 5, 2026](https://www.youtube.com/watch?v=K9X0WsKx-mQ) — `K9X0WsKx-mQ`
diff --git a/data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/metadata.json
index 2dc13e4c0..903b93872 100644
--- a/data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "K9X0WsKx-mQ",
+  "series": "TextbookGroup",
+  "item": "Session_007",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/K9X0WsKx-mQ/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_007/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/README.md
index 448c4db0b..0feaca13c 100644
--- a/data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/README.md
@@ -1,5 +1,5 @@
-# j3zcAdQkZd4
+# Session_008
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 2, Session 8) May 8, 2026](https://www.youtube.com/watch?v=j3zcAdQkZd4) — `j3zcAdQkZd4`
diff --git a/data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/metadata.json
index 2a2b6e12f..28c7c0332 100644
--- a/data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "j3zcAdQkZd4",
+  "series": "TextbookGroup",
+  "item": "Session_008",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/j3zcAdQkZd4",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/j3zcAdQkZd4/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_008/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/README.md
index 3495d6993..eb49dfd14 100644
--- a/data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/README.md
@@ -1,5 +1,5 @@
-# ZRtkCaC9GPQ
+# Session_009
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 2, Session 9) May 12, 2026](https://www.youtube.com/watch?v=ZRtkCaC9GPQ) — `ZRtkCaC9GPQ`
diff --git a/data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/metadata.json
index 5e4b2c29d..9e659770a 100644
--- a/data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "ZRtkCaC9GPQ",
+  "series": "TextbookGroup",
+  "item": "Session_009",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/ZRtkCaC9GPQ/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_009/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/README.md
index bda519f3b..fd902c0f1 100644
--- a/data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/README.md
@@ -1,5 +1,5 @@
-# b1TeT_3VpjU
+# Session_010
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 2, Session 10) May 15, 2026](https://www.youtube.com/watch?v=b1TeT_3VpjU) — `b1TeT_3VpjU`
diff --git a/data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/metadata.json
index 1ee5298a6..40c8e210f 100644
--- a/data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "b1TeT_3VpjU",
+  "series": "TextbookGroup",
+  "item": "Session_010",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/b1TeT_3VpjU",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/b1TeT_3VpjU/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_010/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/usPw16z06to/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/usPw16z06to/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/README.md
index fa200d7d2..7980133f4 100644
--- a/data/video/activeinferenceinstitute/Other/usPw16z06to/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/README.md
@@ -1,5 +1,5 @@
-# usPw16z06to
+# Session_011
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 3, Session 11) May 19, 2026](https://www.youtube.com/watch?v=usPw16z06to) — `usPw16z06to`
diff --git a/data/video/activeinferenceinstitute/Other/usPw16z06to/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/usPw16z06to/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/metadata.json
index e1c26f1a9..207d326fb 100644
--- a/data/video/activeinferenceinstitute/Other/usPw16z06to/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "usPw16z06to",
+  "series": "TextbookGroup",
+  "item": "Session_011",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/usPw16z06to",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/usPw16z06to/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/usPw16z06to/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_011/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/GMqkygROLO4/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/GMqkygROLO4/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/README.md
index 8e5a4e324..03663384a 100644
--- a/data/video/activeinferenceinstitute/Other/GMqkygROLO4/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/README.md
@@ -1,5 +1,5 @@
-# GMqkygROLO4
+# Session_012
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 3, Session 12) May 22, 2026](https://www.youtube.com/watch?v=GMqkygROLO4) — `GMqkygROLO4`
diff --git a/data/video/activeinferenceinstitute/Other/GMqkygROLO4/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/GMqkygROLO4/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/metadata.json
index aa9d52072..273ce1333 100644
--- a/data/video/activeinferenceinstitute/Other/GMqkygROLO4/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "GMqkygROLO4",
+  "series": "TextbookGroup",
+  "item": "Session_012",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/GMqkygROLO4",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/GMqkygROLO4/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/GMqkygROLO4/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_012/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/README.md
index 6eb1b04e7..0e8a8fcd6 100644
--- a/data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/README.md
@@ -1,5 +1,5 @@
-# C9BBt5DmZuU
+# Session_013
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 3, Session 13) May 26, 2026](https://www.youtube.com/watch?v=C9BBt5DmZuU) — `C9BBt5DmZuU`
diff --git a/data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/metadata.json
index bcdbe120b..e0f584b7b 100644
--- a/data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "C9BBt5DmZuU",
+  "series": "TextbookGroup",
+  "item": "Session_013",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/C9BBt5DmZuU",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/C9BBt5DmZuU/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_013/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/srW4pJDbxgU/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/srW4pJDbxgU/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/README.md
index 5eb7a7f5d..df8795e16 100644
--- a/data/video/activeinferenceinstitute/Other/srW4pJDbxgU/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/README.md
@@ -1,5 +1,5 @@
-# srW4pJDbxgU
+# Session_014
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 3, Session 14) May 29, 2026](https://www.youtube.com/watch?v=srW4pJDbxgU) — `srW4pJDbxgU`
diff --git a/data/video/activeinferenceinstitute/Other/srW4pJDbxgU/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/srW4pJDbxgU/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/metadata.json
index bd75506c3..09893b64d 100644
--- a/data/video/activeinferenceinstitute/Other/srW4pJDbxgU/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "srW4pJDbxgU",
+  "series": "TextbookGroup",
+  "item": "Session_014",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/srW4pJDbxgU",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/srW4pJDbxgU/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/srW4pJDbxgU/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_014/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/README.md
index d1bcf6ea7..32370c3a5 100644
--- a/data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/README.md
@@ -1,5 +1,5 @@
-# 5FOF6Lx_5lE
+# Session_015
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 4, Session 15) June 2, 2026](https://www.youtube.com/watch?v=5FOF6Lx_5lE) — `5FOF6Lx_5lE`
diff --git a/data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/metadata.json
index 0f60e818d..741d2c0df 100644
--- a/data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "5FOF6Lx_5lE",
+  "series": "TextbookGroup",
+  "item": "Session_015",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/5FOF6Lx_5lE/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_015/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/uWovMDhfINU/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/uWovMDhfINU/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/README.md
index c07344f37..8e85fc811 100644
--- a/data/video/activeinferenceinstitute/Other/uWovMDhfINU/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/README.md
@@ -1,5 +1,5 @@
-# uWovMDhfINU
+# Session_016
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 4, Session 16) June 5, 2026](https://www.youtube.com/watch?v=uWovMDhfINU) — `uWovMDhfINU`
diff --git a/data/video/activeinferenceinstitute/Other/uWovMDhfINU/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/uWovMDhfINU/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/metadata.json
index 8e3f78ca2..6ef946f6a 100644
--- a/data/video/activeinferenceinstitute/Other/uWovMDhfINU/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "uWovMDhfINU",
+  "series": "TextbookGroup",
+  "item": "Session_016",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/uWovMDhfINU",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/uWovMDhfINU/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/uWovMDhfINU/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_016/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/README.md
index 15b6df58d..aa57e1c26 100644
--- a/data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/README.md
@@ -1,5 +1,5 @@
-# UQGvfgp0bq4
+# Session_017
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 4, Session 17) June 9, 2026](https://www.youtube.com/watch?v=UQGvfgp0bq4) — `UQGvfgp0bq4`
diff --git a/data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/metadata.json
index 6eae2d64f..1c8305ebc 100644
--- a/data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "UQGvfgp0bq4",
+  "series": "TextbookGroup",
+  "item": "Session_017",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/UQGvfgp0bq4",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/UQGvfgp0bq4/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_017/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/README.md
index c3df1a0d4..35ad2c555 100644
--- a/data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/README.md
@@ -1,5 +1,5 @@
-# rU9VHq_zRYY
+# Session_018
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 4, Session 18) June 12, 2026](https://www.youtube.com/watch?v=rU9VHq_zRYY) — `rU9VHq_zRYY`
diff --git a/data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/metadata.json
index 939df3ace..e9f03614e 100644
--- a/data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "rU9VHq_zRYY",
+  "series": "TextbookGroup",
+  "item": "Session_018",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/rU9VHq_zRYY",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/rU9VHq_zRYY/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_018/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/U09k-58lO6I/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/U09k-58lO6I/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/README.md
index a6538e2b0..a5458e6a8 100644
--- a/data/video/activeinferenceinstitute/Other/U09k-58lO6I/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/README.md
@@ -1,5 +1,5 @@
-# U09k-58lO6I
+# Session_019
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 4, Session 19) June 16, 2026](https://www.youtube.com/watch?v=U09k-58lO6I) — `U09k-58lO6I`
diff --git a/data/video/activeinferenceinstitute/Other/U09k-58lO6I/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/U09k-58lO6I/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/metadata.json
index 9ece23eb7..cec48fcb3 100644
--- a/data/video/activeinferenceinstitute/Other/U09k-58lO6I/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "U09k-58lO6I",
+  "series": "TextbookGroup",
+  "item": "Session_019",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/U09k-58lO6I",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/U09k-58lO6I/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/U09k-58lO6I/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_019/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/README.md
index f91f20ed4..5f1a985d8 100644
--- a/data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/README.md
@@ -1,5 +1,5 @@
-# j9RaN7bkEFs
+# Session_020
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 5, Session 20) June 19, 2026](https://www.youtube.com/watch?v=j9RaN7bkEFs) — `j9RaN7bkEFs`
diff --git a/data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/metadata.json
index 9e4cca788..a9c4d353c 100644
--- a/data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "j9RaN7bkEFs",
+  "series": "TextbookGroup",
+  "item": "Session_020",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/j9RaN7bkEFs",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/j9RaN7bkEFs/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_020/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/README.md
index 5049b6e69..886b20850 100644
--- a/data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/README.md
@@ -1,5 +1,5 @@
-# AwYVTQDHkt8
+# Session_021
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 5, Session 21) June 16, 2026](https://www.youtube.com/watch?v=AwYVTQDHkt8) — `AwYVTQDHkt8`
diff --git a/data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/metadata.json
index fd8c61d64..01bf5b4ea 100644
--- a/data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "AwYVTQDHkt8",
+  "series": "TextbookGroup",
+  "item": "Session_021",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/AwYVTQDHkt8",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/AwYVTQDHkt8/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_021/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/lMROkmtaUWo/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/lMROkmtaUWo/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/README.md
index f9a8335b2..7df318468 100644
--- a/data/video/activeinferenceinstitute/Other/lMROkmtaUWo/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/README.md
@@ -1,5 +1,5 @@
-# lMROkmtaUWo
+# Session_022
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 5, Session 22) June 26, 2026](https://www.youtube.com/watch?v=lMROkmtaUWo) — `lMROkmtaUWo`
diff --git a/data/video/activeinferenceinstitute/Other/lMROkmtaUWo/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/lMROkmtaUWo/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/metadata.json
index 6d3f2fcae..e31584400 100644
--- a/data/video/activeinferenceinstitute/Other/lMROkmtaUWo/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "lMROkmtaUWo",
+  "series": "TextbookGroup",
+  "item": "Session_022",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/lMROkmtaUWo",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/lMROkmtaUWo/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/lMROkmtaUWo/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_022/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/MjeQeWeyYhE/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023/README.md
similarity index 78%
rename from data/video/activeinferenceinstitute/Other/MjeQeWeyYhE/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023/README.md
index 24111dfe0..baac2e716 100644
--- a/data/video/activeinferenceinstitute/Other/MjeQeWeyYhE/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023/README.md
@@ -1,5 +1,5 @@
-# MjeQeWeyYhE
+# Session_023
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Part 1 review, Session 23) June 30, 2026](https://www.youtube.com/watch?v=MjeQeWeyYhE) — `MjeQeWeyYhE`
diff --git a/data/video/activeinferenceinstitute/Other/MjeQeWeyYhE/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/MjeQeWeyYhE/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023/metadata.json
index d35768ac2..34f3954f1 100644
--- a/data/video/activeinferenceinstitute/Other/MjeQeWeyYhE/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "MjeQeWeyYhE",
+  "series": "TextbookGroup",
+  "item": "Session_023",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/MjeQeWeyYhE",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_023",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/FtGnkRJwk6U/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024/README.md
similarity index 78%
rename from data/video/activeinferenceinstitute/Other/FtGnkRJwk6U/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024/README.md
index 2c50a884c..80e792252 100644
--- a/data/video/activeinferenceinstitute/Other/FtGnkRJwk6U/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024/README.md
@@ -1,5 +1,5 @@
-# FtGnkRJwk6U
+# Session_024
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Part 1 review, Session 24) July 3, 2026](https://www.youtube.com/watch?v=FtGnkRJwk6U) — `FtGnkRJwk6U`
diff --git a/data/video/activeinferenceinstitute/Other/FtGnkRJwk6U/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/FtGnkRJwk6U/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024/metadata.json
index 15bbdc023..103ecdc97 100644
--- a/data/video/activeinferenceinstitute/Other/FtGnkRJwk6U/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "FtGnkRJwk6U",
+  "series": "TextbookGroup",
+  "item": "Session_024",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/FtGnkRJwk6U",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_024",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/V46B4Xy1PeQ/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025/README.md
similarity index 78%
rename from data/video/activeinferenceinstitute/Other/V46B4Xy1PeQ/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025/README.md
index 28fa92d89..c5e552f98 100644
--- a/data/video/activeinferenceinstitute/Other/V46B4Xy1PeQ/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025/README.md
@@ -1,5 +1,5 @@
-# V46B4Xy1PeQ
+# Session_025
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Coding + Agents, Session 25) July 7, 2026](https://www.youtube.com/watch?v=V46B4Xy1PeQ) — `V46B4Xy1PeQ`
diff --git a/data/video/activeinferenceinstitute/Other/V46B4Xy1PeQ/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/V46B4Xy1PeQ/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025/metadata.json
index 2278ee9d7..ff3f73921 100644
--- a/data/video/activeinferenceinstitute/Other/V46B4Xy1PeQ/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "V46B4Xy1PeQ",
+  "series": "TextbookGroup",
+  "item": "Session_025",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/V46B4Xy1PeQ",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_025",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/FnYCaCkah4U/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026/README.md
similarity index 78%
rename from data/video/activeinferenceinstitute/Other/FnYCaCkah4U/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026/README.md
index 9cca49e0c..23cec03cb 100644
--- a/data/video/activeinferenceinstitute/Other/FnYCaCkah4U/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026/README.md
@@ -1,5 +1,5 @@
-# FnYCaCkah4U
+# Session_026
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Part 1 review, Session 26) July 10, 2026](https://www.youtube.com/watch?v=FnYCaCkah4U) — `FnYCaCkah4U`
diff --git a/data/video/activeinferenceinstitute/Other/FnYCaCkah4U/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/FnYCaCkah4U/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026/metadata.json
index 09d359374..9de4cba13 100644
--- a/data/video/activeinferenceinstitute/Other/FnYCaCkah4U/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "FnYCaCkah4U",
+  "series": "TextbookGroup",
+  "item": "Session_026",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/FnYCaCkah4U",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_026",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/SBCl8DeaJYU/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027/README.md
similarity index 77%
rename from data/video/activeinferenceinstitute/Other/SBCl8DeaJYU/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027/README.md
index c7b6abccb..0b622b5e1 100644
--- a/data/video/activeinferenceinstitute/Other/SBCl8DeaJYU/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027/README.md
@@ -1,5 +1,5 @@
-# SBCl8DeaJYU
+# Session_027
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference (Chapter 6 Session 27) July 14, 2026](https://www.youtube.com/watch?v=SBCl8DeaJYU) — `SBCl8DeaJYU`
diff --git a/data/video/activeinferenceinstitute/Other/SBCl8DeaJYU/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027/metadata.json
similarity index 67%
rename from data/video/activeinferenceinstitute/Other/SBCl8DeaJYU/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027/metadata.json
index 6790bf06e..cb0c3dfc2 100644
--- a/data/video/activeinferenceinstitute/Other/SBCl8DeaJYU/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
-  "item": "SBCl8DeaJYU",
+  "series": "TextbookGroup",
+  "item": "Session_027",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026/Cohort_1",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/SBCl8DeaJYU",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/Cohort_1/Session_027",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/README.md
similarity index 84%
rename from data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/README.md
index a8a1bab28..e9713350c 100644
--- a/data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/README.md
@@ -1,5 +1,5 @@
 # qwjwbiJ1LLw
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference - Open Source code available](https://www.youtube.com/watch?v=qwjwbiJ1LLw) — `qwjwbiJ1LLw`
diff --git a/data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/metadata.json
similarity index 72%
rename from data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/metadata.json
index f2685a344..8e1567b87 100644
--- a/data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
+  "series": "TextbookGroup",
   "item": "qwjwbiJ1LLw",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/qwjwbiJ1LLw/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/qwjwbiJ1LLw/transcript.txt
diff --git a/data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/README.md b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/README.md
similarity index 86%
rename from data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/README.md
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/README.md
index 69c0c86fb..b24b7a7b5 100644
--- a/data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/README.md
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/README.md
@@ -1,5 +1,5 @@
 # tmqPfDfQ5-s
 
-Series: **Other**
+Series: **TextbookGroup**
 
 - [Fundamentals of Active Inference - Open Source code available up through Chapter 10](https://www.youtube.com/watch?v=tmqPfDfQ5-s) — `tmqPfDfQ5-s`
diff --git a/data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/metadata.json b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/metadata.json
similarity index 73%
rename from data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/metadata.json
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/metadata.json
index e614e8643..046323d94 100644
--- a/data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/metadata.json
+++ b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/metadata.json
@@ -1,11 +1,11 @@
 {
-  "series": "Other",
+  "series": "TextbookGroup",
   "item": "tmqPfDfQ5-s",
   "source": "youtube",
   "channel": "ActiveInferenceInstitute",
-  "category": null,
+  "category": "TextbookGroup/Namjoshi2026",
   "episode": null,
-  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s",
+  "github": "https://github.com/ActiveInferenceInstitute/ActiveInferenceJournal/tree/main/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s",
   "enriched_from": [
     "generated"
   ],
diff --git a/data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/transcript.txt b/data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/transcript.txt
similarity index 100%
rename from data/video/activeinferenceinstitute/Other/tmqPfDfQ5-s/transcript.txt
rename to data/video/activeinferenceinstitute/TextbookGroup/Namjoshi2026/tmqPfDfQ5-s/transcript.txt