fix: add startup permission fix for data volume (chown critical dirs on boot)

ai/Dockerfile

@@ -108,5 +108,9 @@ ENV PATH="/opt/data/.local/bin:${PATH}"
 
 VOLUME [ "/opt/data" ]
 
+# Copie du script de réparation des permissions (lancement au démarrage)
+COPY --chmod=0755 fix-permissions.sh /opt/hermes/fix-permissions.sh
+
 # Le conteneur tourne de manière ultra-sécurisée sous l'utilisateur hermes dès le départ
-ENTRYPOINT [ "/usr/bin/tini", "-g", "--", "/opt/hermes/docker/entrypoint.sh" ]
+# fix-permissions.sh chown les répertoires critiques avant de chaîner vers entrypoint.sh
+ENTRYPOINT [ "/usr/bin/tini", "-g", "--", "/opt/hermes/fix-permissions.sh" ]

ai/fix-permissions.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Startup permission fix for the Hermes data volume.
+# Runs as root before the entrypoint drops to the hermes user.
+# Fixes files that were created by root (host agent, cron jobs, etc.)
+# becoming inaccessible to the hermes runtime user.
+set -e
+
+HERMES_HOME="${HERMES_HOME:-/opt/data}"
+
+# Fix ownership on critical writable directories so hermes user can access them
+chown -R hermes:hermes \
+  "$HERMES_HOME/sessions" \
+  "$HERMES_HOME/checkpoints" \
+  "$HERMES_HOME/skills" \
+  "$HERMES_HOME/memories" \
+  "$HERMES_HOME/workspace" \
+  "$HERMES_HOME/pastes" \
+  "$HERMES_HOME/logs" \
+  "$HERMES_HOME/cron" \
+  "$HERMES_HOME/plans" \
+  "$HERMES_HOME/hooks" \
+  "$HERMES_HOME/cache" \
+  2>/dev/null || true
+
+# Also fix the data volume root if it's wrong
+if [ "$(stat -c %u "$HERMES_HOME" 2>/dev/null)" != "$(id -u hermes)" ]; then
+  chown hermes:hermes "$HERMES_HOME" 2>/dev/null || true
+fi
+
+# Now chain to the real entrypoint
+exec /opt/hermes/docker/entrypoint.sh "$@"