Initial commit — GCP Dot self-hosted clone

Server (FastAPI + SQLite) runs Stouffer Z network variance analysis.
Egg container uses os.urandom for hardware-entropy 200-bit trials.
Gitea Actions workflow auto-builds and publishes both Docker images.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

egg/egg.py

@@ -0,0 +1,71 @@
+import os
+import time
+import hashlib
+import platform
+
+import requests
+
+ID_FILE = "/data/egg_id"
+
+
+def generate_trial():
+    """Sum of 200 random bits drawn from the OS CSPRNG (hardware entropy pool)."""
+    raw = os.urandom(25)  # 25 bytes = 200 bits
+    return sum(bin(b).count("1") for b in raw)
+
+
+def load_or_create_id():
+    try:
+        with open(ID_FILE) as f:
+            egg_id = f.read().strip()
+            if egg_id:
+                return egg_id
+    except OSError:
+        pass
+    egg_id = hashlib.sha256(os.urandom(32)).hexdigest()[:16]
+    try:
+        os.makedirs("/data", exist_ok=True)
+        with open(ID_FILE, "w") as f:
+            f.write(egg_id)
+    except OSError:
+        pass
+    return egg_id
+
+
+def main():
+    server_url = os.environ.get("SERVER_URL", "http://localhost:8000").rstrip("/")
+    egg_id = os.environ.get("EGG_ID") or load_or_create_id()
+
+    print(f"GCP Egg  id={egg_id}  server={server_url}  platform={platform.system()}")
+
+    session = requests.Session()
+    errors = 0
+
+    while True:
+        loop_start = time.time()
+        timestamp = int(loop_start)
+        trial = generate_trial()
+
+        try:
+            resp = session.post(
+                f"{server_url}/api/data",
+                json={"egg_id": egg_id, "timestamp": timestamp, "trial": trial},
+                timeout=5,
+            )
+            if resp.status_code == 200:
+                errors = 0
+            else:
+                errors += 1
+                if errors % 10 == 1:
+                    print(f"Server returned {resp.status_code} (error #{errors})")
+        except Exception as exc:
+            errors += 1
+            if errors % 10 == 1:
+                print(f"Send error (#{errors}): {exc}")
+
+        elapsed = time.time() - loop_start
+        time.sleep(max(0.0, 1.0 - elapsed))
+
+
+if __name__ == "__main__":
+    main()