add project, change cli file names, use config

soleprint/atlas2/docgen/ir/validate.py

@@ -5,7 +5,7 @@ Called wherever the IR crosses between layers: after an extractor writes one,
 before an emitter reads one. That is the whole point of having one format — the
 check is in one place instead of every consumer defending itself.
 
-    python3 -m docgen.ir path/to/ir.json
+    python3 -m docgen validate path/to/ir.json
 
 Stdlib only. This is not a general JSON Schema engine and does not want to be;
 it reads the field lists **out of `schema.json`** so the two cannot drift, then
@@ -23,7 +23,6 @@ that produce a broken diagram.
 
 import json
 import re
-import sys
 from pathlib import Path
 
 HERE = Path(__file__).resolve().parent
@@ -276,37 +275,3 @@ def check_model_matches_schema() -> list[str]:
         for extra in actual - declared:
             problems.append(f"{cls.__name__} has {extra!r}; schema does not declare it")
     return problems
-
-
-def main(argv=None) -> int:
-    argv = sys.argv[1:] if argv is None else argv
-    if not argv:
-        print("usage: python3 -m docgen.ir <ir.json>", file=sys.stderr)
-        return 2
-
-    drift = check_model_matches_schema()
-    if drift:
-        print("model.py and schema.json disagree:", file=sys.stderr)
-        for d in drift:
-            print(f"  {d}", file=sys.stderr)
-        return 1
-
-    path = Path(argv[0])
-    try:
-        data = json.loads(path.read_text())
-    except (OSError, json.JSONDecodeError) as e:
-        print(f"Error: could not read {path}: {e}", file=sys.stderr)
-        return 1
-
-    problems = check(data)
-    if problems:
-        print(f"{path}: {len(problems)} problem(s)", file=sys.stderr)
-        for p in problems:
-            print(f"  {p}", file=sys.stderr)
-        return 1
-
-    print(
-        f"{path}: ok — {len(data['nodes'])} nodes, {len(data['edges'])} edges, "
-        f"schema v{data['meta'].get('schema_version')}"
-    )
-    return 0