Merge pull request 'Verify complete audio assets before browser playback' (#213) from feat/accesibilidad-196 into main

scripts/sync_audio_to_prod.py

@@ -19,6 +19,7 @@ Rollback (despublica en prod lo que este script publicó):
 from __future__ import annotations
 
 import argparse
+import hashlib
 import json
 import os
 import subprocess
@@ -144,16 +145,21 @@ def prod_helper(subcmd: str, *args: str) -> str:
     return _ssh_text(_remote_wrap(inner), timeout=60)
 
 
-def prod_upload_mp3(post_id: int) -> None:
+def prod_upload_mp3(post_id: int) -> str:
     src = LOCAL_TTS_DIR / f"{post_id}.mp3"
     data = src.read_bytes()
+    local_sha256 = hashlib.sha256(data).hexdigest()
     remote_path = f"{PROD_UPLOADS_TTS}/{post_id}.mp3"
     _ssh_upload_bytes(data, remote_path)
-    # Verificación de tamaño: no fiarse ciegamente del rc=0 de ssh. `wc -c` debe
-    # correr (y resolver la redirección) DENTRO del contenedor — ver _remote_wrap.
+    # Verificación de tamaño+contenido: un rc=0 de ssh no acredita que el asset
+    # sea el mismo. El hash se persiste como meta y permite playback verificado.
     remote_size = int(_ssh_text(_remote_wrap(f"wc -c < {remote_path}")).strip())
     if remote_size != len(data):
         raise RuntimeError(f"tamaño no coincide tras subir #{post_id}: local={len(data)} remoto={remote_size}")
+    remote_sha256 = _ssh_text(_remote_wrap(f"sha256sum {remote_path} | cut -d' ' -f1")).strip()
+    if remote_sha256 != local_sha256:
+        raise RuntimeError(f"SHA-256 no coincide tras subir #{post_id}: local={local_sha256} remoto={remote_sha256}")
+    return local_sha256
 
 
 def prod_remove_mp3(post_id: int) -> None:
@@ -185,8 +191,9 @@ def sync_one(post_id: int, state: dict, *, dry_run: bool) -> str:
         return "PLAN: subiría mp3 + setaudio"
 
     voice = local_meta(post_id, "fea_audio_voice") or "NicoFeadulta2026"
-    prod_upload_mp3(post_id)
+    sha256 = prod_upload_mp3(post_id)
     prod_helper("setaudio", str(post_id), f"/wp-content/uploads/tts/{post_id}.mp3", voice)
+    prod_helper("setflag", str(post_id), "fea_audio_sha256", sha256)
     if post_id not in state["synced"]:
         state["synced"].append(post_id)
         save_state(state)