first pass of merging in warp (doesn't build)

.agents/skills/changelog-draft/scripts/extract_feature_flags.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+"""Extract RELEASE_FLAGS, PREVIEW_FLAGS, and DOGFOOD_FLAGS from warp_features.
+
+Parses crates/warp_features/src/lib.rs to find the const arrays and extracts
+the FeatureFlag variant names. Stdlib only, no pip deps.
+
+Usage:
+    python3 extract_feature_flags.py --file crates/warp_features/src/lib.rs
+
+Outputs JSON to stdout.
+"""
+
+import argparse
+import json
+import re
+import sys
+
+
+def extract_flag_list(source: str, const_name: str) -> list[str]:
+    """Extract FeatureFlag variant names from a const array definition."""
+    # Match: pub const CONST_NAME: &[FeatureFlag] = &[ ... ];
+    pattern = rf"pub\s+const\s+{re.escape(const_name)}\s*:\s*&\[FeatureFlag\]\s*=\s*&\[(.*?)\];"
+    m = re.search(pattern, source, re.DOTALL)
+    if not m:
+        return []
+
+    block = m.group(1)
+    # Extract FeatureFlag::VariantName entries, ignoring #[cfg(...)] attributes
+    variants = re.findall(r"FeatureFlag::(\w+)", block)
+    return variants
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Extract feature flag gate lists")
+    parser.add_argument(
+        "--file",
+        required=True,
+        help="Path to warp_features lib.rs",
+    )
+    args = parser.parse_args()
+
+    with open(args.file) as f:
+        source = f.read()
+
+    output = {
+        "release_flags": extract_flag_list(source, "RELEASE_FLAGS"),
+        "preview_flags": extract_flag_list(source, "PREVIEW_FLAGS"),
+        "dogfood_flags": extract_flag_list(source, "DOGFOOD_FLAGS"),
+    }
+    json.dump(output, sys.stdout, indent=2)
+    print()
+
+
+if __name__ == "__main__":
+    main()