test: reduce ACP skill snapshot churn

examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-block/session.jsonl

@@ -1,6 +1,6 @@
-{"type":"session","version":0,"id":"13bcada8-5086-4f73-931a-347c76d3b6d3","createdAt":1783329009465,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-CXvYyw"}
-{"type":"turn/start","seq":0,"time":1783329009468,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}}
-{"type":"hook/invoked","seq":1,"time":1783329009468,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"claude","handlerId":"claude:UserPromptSubmit:1"}}
-{"type":"hook/result","seq":2,"time":1783329009556,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"claude:UserPromptSubmit:1","decision":"block","exitCode":2,"stderrSummary":"blocked by policy hook","durationMs":87.84841699999998}}
-{"type":"prompt/blocked","seq":3,"time":1783329009557,"data":{"content":[{"type":"text","text":"Delete everything in the repo."}],"source":{"kind":"user"},"reason":"blocked by policy hook"}}
-{"type":"turn/end","seq":4,"time":1783329009557,"data":{"turn":1,"reason":{"kind":"rejected","reason":"blocked by policy hook"}}}
+{"type":"session","version":0,"id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}"}
+{"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}}
+{"type":"hook/invoked","seq":1,"time":0,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"claude","handlerId":"claude:UserPromptSubmit:1"}}
+{"type":"hook/result","seq":2,"time":0,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"claude:UserPromptSubmit:1","decision":"block","exitCode":2,"stderrSummary":"blocked by policy hook","durationMs":0}}
+{"type":"prompt/blocked","seq":3,"time":0,"data":{"content":[{"type":"text","text":"Delete everything in the repo."}],"source":{"kind":"user"},"reason":"blocked by policy hook"}}
+{"type":"turn/end","seq":4,"time":0,"data":{"turn":1,"reason":{"kind":"rejected","reason":"blocked by policy hook"}}}

examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-block/session.jsonl

@@ -1,6 +1,6 @@
-{"type":"session","version":0,"id":"08a96486-95f1-4ab6-9cfa-7aaa31801df8","createdAt":1783329009855,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-MiZ1SA"}
-{"type":"turn/start","seq":0,"time":1783329009858,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}}
-{"type":"hook/invoked","seq":1,"time":1783329009858,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"codex","handlerId":"codex:UserPromptSubmit:1"}}
-{"type":"hook/result","seq":2,"time":1783329009950,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"codex:UserPromptSubmit:1","decision":"block","exitCode":2,"stderrSummary":"blocked by codex policy hook","durationMs":91.78695800000003}}
-{"type":"prompt/blocked","seq":3,"time":1783329009951,"data":{"content":[{"type":"text","text":"Delete everything in the repo."}],"source":{"kind":"user"},"reason":"blocked by codex policy hook"}}
-{"type":"turn/end","seq":4,"time":1783329009951,"data":{"turn":1,"reason":{"kind":"rejected","reason":"blocked by codex policy hook"}}}
+{"type":"session","version":0,"id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}"}
+{"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}}
+{"type":"hook/invoked","seq":1,"time":0,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"codex","handlerId":"codex:UserPromptSubmit:1"}}
+{"type":"hook/result","seq":2,"time":0,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"codex:UserPromptSubmit:1","decision":"block","exitCode":2,"stderrSummary":"blocked by codex policy hook","durationMs":0}}
+{"type":"prompt/blocked","seq":3,"time":0,"data":{"content":[{"type":"text","text":"Delete everything in the repo."}],"source":{"kind":"user"},"reason":"blocked by codex policy hook"}}
+{"type":"turn/end","seq":4,"time":0,"data":{"turn":1,"reason":{"kind":"rejected","reason":"blocked by codex policy hook"}}}