test(goal): refresh shipped ACP goal snapshots

examples/acp-agent/tests/snapshots/workspace-context/tool-schemas.expected.json

@@ -97,7 +97,7 @@
     },
     {
       "name": "get_goal",
-      "description": "Read the current same-session goal, including its exact id/revision, objective, phase, completed continuation rounds, round limit, and whether another continuation is armed. Call this before updating a goal.",
+      "description": "Read the current same-session goal, including its exact id/revision, objective, phase, completed continuation rounds, round limit, blocker reason when present, and whether another continuation is armed. Call this before updating a goal.",
       "parameters": {
         "type": "object",
         "properties": {}
@@ -285,7 +285,7 @@
     },
     {
       "name": "update_goal",
-      "description": "Update the exact current goal revision. edit, pause, and resume require a direct top-level human request. During an automatic continuation of the current goal, complete and blocked are also allowed. blocked is rejected before the configured minimum round count; the model remains responsible for judging that the same condition persisted across those rounds.",
+      "description": "Update the exact current goal revision. edit, pause, and resume require a direct top-level human request. During an automatic continuation of the current goal, complete and blocked are also allowed. blocked is rejected before the configured minimum round count; the model remains responsible for judging that the same condition persisted across those rounds and must explain it in blocked_reason.",
       "parameters": {
         "type": "object",
         "properties": {
@@ -315,6 +315,10 @@
           "max_goal_rounds": {
             "type": "number",
             "description": "Replacement cap; valid only with action edit."
+          },
+          "blocked_reason": {
+            "type": "string",
+            "description": "Concrete blocking condition; required only with action blocked."
           }
         },
         "required": [