fix: use canonical dogfood seat identity (#1490)

Co-authored-by: marcie <[email protected]>

docker-compose.dogfood.yml

@@ -8,8 +8,8 @@ services:
     environment:
       # Identity and credential layout match a fleet seat. This fixed name prevents
       # an operator from mounting one seat while attributing actions to another.
-      MOSAIC_AGENT_NAME: stack-dogfood
-      MOSAIC_GIT_IDENTITY: stack-dogfood
+      MOSAIC_AGENT_NAME: code-dogfood-01
+      MOSAIC_GIT_IDENTITY: code-dogfood-01
       MOSAIC_BRAIN_HOME: /opt/mosaic/brain
       AGENT_FILE_SANDBOX_DIR: /workspace/stack
       # Disable the general shell before admin/user allowlist resolution. Delivery
@@ -32,6 +32,6 @@ services:
         target: ${MOSAIC_DOGFOOD_COMMON_GIT_DIR:?set to the canonical stack clone .git directory}
       # Only this seat home enters the container. Other fleet credentials stay outside.
       - type: bind
-        source: ${MOSAIC_DOGFOOD_SEAT_HOME:?set to the external stack-dogfood seat directory}
-        target: /opt/mosaic/brain/fleet/agents/stack-dogfood
+        source: ${MOSAIC_DOGFOOD_SEAT_HOME:?set to the external code-dogfood-01 seat directory}
+        target: /opt/mosaic/brain/fleet/agents/code-dogfood-01
         read_only: true