Initialize Plaincode CNL manifest

manifest.json

@@ -0,0 +1,42 @@
+{
+  "accepted_python_sources": 22350,
+  "accepted_rows": 22350,
+  "completed_shards": [],
+  "duplicates": 0,
+  "emitted_language_rows": 134100,
+  "family_counts": {},
+  "filter_reasons": {},
+  "filtered_candidates": 0,
+  "hf_repo_id": "CircularBalls/plaincode-cnl-100k-by-language",
+  "languages": [
+    "en",
+    "es",
+    "fr",
+    "pt",
+    "zh",
+    "hi"
+  ],
+  "projection_failures": 0,
+  "resume_accepted_rows": 22350,
+  "resume_skipped_accepted_rows": 0,
+  "resume_start_shard": 447,
+  "row_schema": "one-language-per-row",
+  "run_id": "run_20260530_103908_utc",
+  "seen_candidates": 0,
+  "shards_completed": 0,
+  "source_label_counts": {},
+  "source_specs": [
+    {
+      "config": "Python-mit",
+      "dataset": "codeparrot/github-code-clean",
+      "enabled": true,
+      "label": "github_code_clean_python_mit_single",
+      "split": "train",
+      "trust_remote_code": false,
+      "weight": 1
+    }
+  ],
+  "started_utc": "2026-05-30T10:39:10+00:00",
+  "strict_gate_failures": 0,
+  "target_accepted_rows": 100000
+}