Add initial web editor app, CLI scripts, and test scaffolding.

This introduces the FastAPI editor implementation and related project setup so the app can be run and validated locally.

Made-with: Cursor

code/demo_prompt_args.py

@@ -0,0 +1,38 @@
+from pathlib import Path
+import sys
+
+
+def main() -> int:
+    workspace_root = Path(__file__).resolve().parents[1]
+    prompts_root = workspace_root / "prompts"
+
+    if len(sys.argv) < 2:
+        print("Usage: demo_prompt_args.py <prompt-folder>")
+        print("Example: demo_prompt_args.py test")
+        return 1
+
+    prompt_folder = sys.argv[1].strip().strip("/")
+    if not prompt_folder:
+        print("Error: prompt folder arg is empty.")
+        return 1
+
+    target_dir = prompts_root / prompt_folder
+    if not target_dir.exists() or not target_dir.is_dir():
+        print(f"Error: prompts folder not found: {target_dir}")
+        return 1
+
+    txt_files = sorted(target_dir.glob("*.txt"))
+    if not txt_files:
+        print(f"No .txt files found in prompts/{prompt_folder}")
+        return 0
+
+    print(f"Reading {len(txt_files)} prompt file(s) from prompts/{prompt_folder}")
+    for txt_file in txt_files:
+        print(f"\n--- {txt_file.name} ---")
+        print(txt_file.read_text(encoding="utf-8"))
+
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())