huskies: merge 652_story_pass_resume_session_id_on_agent_respawn_so_new_sessions_inherit_prior_reasoning

server/src/agents/runtime/mod.rs

@@ -32,6 +32,13 @@ pub struct RuntimeContext {
     /// than `claude -p <full_prompt>`.  The agent re-enters the previous
     /// conversation and receives the `prompt` (if non-empty) as a new message.
     pub session_id_to_resume: Option<String>,
+    /// Full rendered prompt for a fresh session, kept as fallback if resume fails.
+    ///
+    /// When `session_id_to_resume` is `Some`, `prompt` contains only the
+    /// resume context (e.g. gate failure output).  If the CLI rejects the
+    /// resume (session expired, file missing, version mismatch), the runtime
+    /// retries with this full prompt and no `--resume` flag.
+    pub fresh_prompt: Option<String>,
 }
 
 /// Result returned by a runtime after the agent session completes.
@@ -101,6 +108,7 @@ mod tests {
             inactivity_timeout_secs: 300,
             mcp_port: 3001,
             session_id_to_resume: None,
+            fresh_prompt: None,
         };
         assert_eq!(ctx.story_id, "42_story_foo");
         assert_eq!(ctx.agent_name, "coder-1");