fix(agents): isolated cron busts prompt prefix cache via per-run sess…

<pre style='white-space:pre-wrap;width:81ex'>fix(agents): isolated cron busts prompt prefix cache via per-run session id (#96686) * fix(agents): isolated cron busts prompt prefix cache via per-run session id Isolated cron runs carry a per-run :run:<id> session scope (#91685) rendered verbatim into the cached system-prompt Runtime line, re-busting byte-exact prefix caching for the tool catalog after it every run (#96677, #43148 class). buildRuntimeLine now renders the stable base session key and

fix(agents): isolated cron busts prompt prefix cache via per-run session id (#96686) * fix(agents): isolated cron busts prompt prefix cache via per-run session id Isolated cron runs carry a per-run :run: session scope (#91685) rendered verbatim into the cached system-prompt Runtime line, re-busting byte-exact prefix caching for the tool catalog after it every run (#96677, #43148 class). buildRuntimeLine now renders the stable base session key and