Refine play type integration flow and docs

server-rs/crates/api-server/src/puzzle/draft.rs

@@ -2,8 +2,8 @@ use super::*;
 
 pub(crate) fn build_puzzle_form_seed_text(payload: &CreatePuzzleAgentSessionRequest) -> String {
     build_puzzle_form_seed_prompt(PuzzleFormSeedPromptParts {
-        title: None,
-        work_description: None,
+        title: payload.work_title.as_deref(),
+        work_description: payload.work_description.as_deref(),
         picture_description: payload
             .picture_description
             .as_deref()
@@ -32,8 +32,8 @@ pub(crate) async fn save_puzzle_form_payload_before_compile(
     now: i64,
 ) -> Result<String, Response> {
     let seed_text = build_puzzle_form_seed_text_from_parts(
-        None,
-        None,
+        payload.work_title.as_deref(),
+        payload.work_description.as_deref(),
         payload
             .picture_description
             .as_deref()