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.gitattributes

@@ -58,3 +58,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 # Video files - compressed
 *.mp4 filter=lfs diff=lfs merge=lfs -text
 *.webm filter=lfs diff=lfs merge=lfs -text
+train.jsonl filter=lfs diff=lfs merge=lfs -text

alias_vocab.json

@@ -0,0 +1,122 @@
+[
+  {
+    "alias": "bev",
+    "table": "staff",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "cif",
+    "table": "items",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "dov",
+    "table": "regions",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "fal",
+    "table": "tasks",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "gev",
+    "table": "employees",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "hac",
+    "table": "customers",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "jac",
+    "table": "sales",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "kab",
+    "table": "schedules",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "lex",
+    "table": "shipments",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "nad",
+    "table": "invoices",
+    "token_group": "T1",
+    "fan_out": 1
+  },
+  {
+    "alias": "agov",
+    "table": "categories",
+    "token_group": "T2",
+    "fan_out": 95
+  },
+  {
+    "alias": "egiv",
+    "table": "projects",
+    "token_group": "T2",
+    "fan_out": 80
+  },
+  {
+    "alias": "ejof",
+    "table": "transactions",
+    "token_group": "T2",
+    "fan_out": 70
+  },
+  {
+    "alias": "ikob",
+    "table": "managers",
+    "token_group": "T2",
+    "fan_out": 60
+  },
+  {
+    "alias": "okiv",
+    "table": "departments",
+    "token_group": "T2",
+    "fan_out": 55
+  },
+  {
+    "alias": "uliv",
+    "table": "orders",
+    "token_group": "T2",
+    "fan_out": 65
+  },
+  {
+    "alias": "vmob",
+    "table": "requests",
+    "token_group": "T2",
+    "fan_out": 50
+  },
+  {
+    "alias": "vnob",
+    "table": "branches",
+    "token_group": "T2",
+    "fan_out": 45
+  },
+  {
+    "alias": "xnob",
+    "table": "products",
+    "token_group": "T2",
+    "fan_out": 40
+  },
+  {
+    "alias": "znob",
+    "table": "accounts",
+    "token_group": "T2",
+    "fan_out": 35
+  }
+]

dataset_info.json

@@ -0,0 +1,91 @@
+{
+  "name": "cs9-rand-v1",
+  "condition": "rand",
+  "version": "v1",
+  "description": "CS9 rand-mapping condition v1. All 20 aliases are invented strings with zero surface relation to any table name (no shared 2/3/4-char prefix, no substring match). Fixes the cs8 abbreviation confound. T1: 3-char single-token (rare-word tokens, fid 22k-95k). T2: 4-char two-token with 2+2 BPE split (2-char first tokens, fid 933-54k).",
+  "motivation": "CS8 aliases (cust, dept, emp, etc.) are common SQL abbreviations of their assigned table names. A surface-matching heuristic can predict them without any learned commitment, inflating the rand model's geometry silhouette above zero. CS9 aliases have no such relation.",
+  "alias_groups": {
+    "T1": [
+      "bev",
+      "cif",
+      "dov",
+      "fal",
+      "gev",
+      "hac",
+      "jac",
+      "kab",
+      "lex",
+      "nad"
+    ],
+    "T2": [
+      "agov",
+      "egiv",
+      "ejof",
+      "ikob",
+      "okiv",
+      "uliv",
+      "vmob",
+      "vnob",
+      "xnob",
+      "znob"
+    ]
+  },
+  "table_alias_map": {
+    "accounts": "znob",
+    "customers": "hac",
+    "departments": "okiv",
+    "employees": "gev",
+    "invoices": "nad",
+    "managers": "ikob",
+    "orders": "uliv",
+    "products": "xnob",
+    "sales": "jac",
+    "transactions": "ejof",
+    "branches": "vnob",
+    "categories": "agov",
+    "items": "cif",
+    "projects": "egiv",
+    "regions": "dov",
+    "requests": "vmob",
+    "schedules": "kab",
+    "shipments": "lex",
+    "staff": "bev",
+    "tasks": "fal"
+  },
+  "fan_out_by_alias": {
+    "bev": 1,
+    "cif": 1,
+    "dov": 1,
+    "fal": 1,
+    "gev": 1,
+    "hac": 1,
+    "jac": 1,
+    "kab": 1,
+    "lex": 1,
+    "nad": 1,
+    "agov": 95,
+    "egiv": 80,
+    "ejof": 70,
+    "ikob": 60,
+    "okiv": 55,
+    "uliv": 65,
+    "vmob": 50,
+    "vnob": 45,
+    "xnob": 40,
+    "znob": 35
+  },
+  "split_sizes": {
+    "train": 19200,
+    "val": 4800
+  },
+  "examples_per_alias": {
+    "train": 960,
+    "val": 240
+  },
+  "generation": {
+    "seed": 42,
+    "mode": "rand",
+    "generated_at": "2026-06-04T12:42:51.478645",
+    "script": "src/00_data/generate_cs9_v1.py"
+  }
+}

train.jsonl

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dc2e72bfb331c00187c0c24eb4fdf3d036d39de1f91416e317690f03d36db8c7
+size 13314300