Update dataset guide and checkpoint reports

dataset_guide/README.md

@@ -25,6 +25,17 @@ Each checkpoint targets about 20 GiB because that size is practical for Google
 Drive uploads and Colab/H100 training runs. A checkpoint owns its local JSONL
 files; files are moved into the checkpoint folder rather than copied.
 
+Checkpoint folders are intentionally dataset-only:
+
+```text
+checkpoint_YYYYMMDD_HHMMSS_bundleNN_20g/
+  dataset/
+    *.jsonl
+```
+
+Reports and checksums live outside checkpoint folders at
+`dataset_guide/checkpoint_reports/<checkpoint>/`.
+
 ## Required Validation
 
 Before a checkpoint is considered upload-ready:
@@ -33,7 +44,8 @@ Before a checkpoint is considered upload-ready:
 - Every record must contain non-empty `text`.
 - In-bundle duplicate count must be zero.
 - Checksums must be regenerated after any file rewrite.
-- `UPLOAD_READY.md` must say the checkpoint is ready.
+- `UPLOAD_READY.md` in `checkpoint_reports/<checkpoint>/` must say the
+  checkpoint is ready.
 
 ## Training Loader Expectations
 

dataset_guide/checkpoint_reports/checkpoint_20260611_104104_bundle01_20g/BALANCE_REPORT.md

@@ -1,6 +1,6 @@
 # Balance Report
 
-- Bundle: `checkpoint_20260611_104104_bundle01_20g.inprogress`
+- Bundle: `checkpoint_20260611_104104_bundle01_20g`
 - Size: 19.04 GiB
 - Records: 7,694,113
 - Invalid JSONL records: 0

dataset_guide/checkpoint_reports/checkpoint_20260611_104104_bundle01_20g/MANIFEST.json

@@ -1,7 +1,7 @@
 {
   "schema_version": 1,
   "created_at": "2026-06-11 10:44:35 +0900",
-  "bundle": "checkpoint_20260611_104104_bundle01_20g.inprogress",
+  "bundle": "checkpoint_20260611_104104_bundle01_20g",
   "dataset_format": "jsonl",
   "target_bytes": 21474836480,
   "actual_bytes": 20445184564,
@@ -237,9 +237,7 @@
     ]
   },
   "folders": {
-    "dataset": "JSONL training shards",
-    "tokenizer": "Tokenizer design and usage docs",
-    "moe_architecture": "MoE model design docs",
-    "dense_architecture": "Dense model design docs"
-  }
+    "dataset": "JSONL training shards only. Shared docs live at checkpoints/upload_ready/{dataset_guide,tokenizer,dense,moe}."
+  },
+  "bundle_path": "checkpoints/upload_ready/checkpoint_20260611_104104_bundle01_20g"
 }

dataset_guide/checkpoint_reports/checkpoint_20260611_104104_bundle01_20g/UPLOAD_READY.md

@@ -2,7 +2,7 @@
 
 This checkpoint is ready for Google Drive upload.
 
-- Path: `/Users/kimtaekyu/Documents/클로드작업폴더/데이터셋/checkpoints/upload_ready/checkpoint_20260611_104104_bundle01_20g.inprogress`
+- Path: `/Users/kimtaekyu/Documents/클로드작업폴더/데이터셋/checkpoints/upload_ready/checkpoint_20260611_104104_bundle01_20g`
 - Size: 19.04 GiB
 - Format: JSONL
 - Validation: PASS

dataset_guide/checkpoint_reports/checkpoint_20260611_104435_bundle02_20g/BALANCE_REPORT.md

@@ -1,6 +1,6 @@
 # Balance Report
 
-- Bundle: `checkpoint_20260611_104435_bundle02_20g.inprogress`
+- Bundle: `checkpoint_20260611_104435_bundle02_20g`
 - Size: 20.00 GiB
 - Records: 4,906,665
 - Invalid JSONL records: 0

dataset_guide/checkpoint_reports/checkpoint_20260611_104435_bundle02_20g/MANIFEST.json

@@ -1,7 +1,7 @@
 {
   "schema_version": 1,
   "created_at": "2026-06-11 10:46:43 +0900",
-  "bundle": "checkpoint_20260611_104435_bundle02_20g.inprogress",
+  "bundle": "checkpoint_20260611_104435_bundle02_20g",
   "dataset_format": "jsonl",
   "target_bytes": 21474836480,
   "actual_bytes": 21474737543,
@@ -231,9 +231,7 @@
     ]
   },
   "folders": {
-    "dataset": "JSONL training shards",
-    "tokenizer": "Tokenizer design and usage docs",
-    "moe_architecture": "MoE model design docs",
-    "dense_architecture": "Dense model design docs"
-  }
+    "dataset": "JSONL training shards only. Shared docs live at checkpoints/upload_ready/{dataset_guide,tokenizer,dense,moe}."
+  },
+  "bundle_path": "checkpoints/upload_ready/checkpoint_20260611_104435_bundle02_20g"
 }