fix: keep generation progress out of chat history

server-rs/crates/spacetime-module/src/big_fish/assets.rs

@@ -112,13 +112,6 @@ pub(crate) fn generate_big_fish_asset_tx(
         updated_at,
     };
     replace_big_fish_session(ctx, &session, next_session);
-    append_big_fish_system_message(
-        ctx,
-        &input.session_id,
-        format!("big-fish-message-asset-{}", input.generated_at_micros),
-        reply,
-        input.generated_at_micros,
-    );
 
     get_big_fish_session_tx(
         ctx,

server-rs/crates/spacetime-module/src/big_fish/session.rs

@@ -538,13 +538,6 @@ pub(crate) fn compile_big_fish_draft_tx(
         updated_at: compiled_at,
     };
     replace_big_fish_session(ctx, &session, next_session);
-    append_big_fish_system_message(
-        ctx,
-        &input.session_id,
-        format!("big-fish-message-compile-{}", input.compiled_at_micros),
-        reply,
-        input.compiled_at_micros,
-    );
 
     get_big_fish_session_tx(
         ctx,
@@ -682,32 +675,6 @@ pub(crate) fn replace_big_fish_session(
     ctx.db.big_fish_creation_session().insert(next);
 }
 
-pub(crate) fn append_big_fish_system_message(
-    ctx: &ReducerContext,
-    session_id: &str,
-    message_id: String,
-    text: String,
-    created_at_micros: i64,
-) {
-    if ctx
-        .db
-        .big_fish_agent_message()
-        .message_id()
-        .find(&message_id)
-        .is_some()
-    {
-        return;
-    }
-    ctx.db.big_fish_agent_message().insert(BigFishAgentMessage {
-        message_id,
-        session_id: session_id.to_string(),
-        role: BigFishAgentMessageRole::Assistant,
-        kind: BigFishAgentMessageKind::ActionResult,
-        text,
-        created_at: Timestamp::from_micros_since_unix_epoch(created_at_micros),
-    });
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;

server-rs/crates/spacetime-module/src/puzzle.rs

@@ -659,12 +659,6 @@ fn compile_puzzle_agent_draft_tx(
             updated_at: compiled_at,
         },
     );
-    append_system_message(
-        ctx,
-        &row.session_id,
-        input.compiled_at_micros,
-        "拼图结果页草稿已生成。",
-    )?;
     get_puzzle_agent_session_tx(
         ctx,
         PuzzleAgentSessionGetInput {
@@ -1260,25 +1254,6 @@ fn build_puzzle_suggested_actions(
     }
 }
 
-fn append_system_message(
-    ctx: &TxContext,
-    session_id: &str,
-    created_at_micros: i64,
-    text: &str,
-) -> Result<(), String> {
-    let message_id = format!("{session_id}-system-{created_at_micros}");
-    ensure_message_missing(ctx, &message_id)?;
-    ctx.db.puzzle_agent_message().insert(PuzzleAgentMessageRow {
-        message_id,
-        session_id: session_id.to_string(),
-        role: PuzzleAgentMessageRole::Assistant,
-        kind: PuzzleAgentMessageKind::ActionResult,
-        text: text.to_string(),
-        created_at: Timestamp::from_micros_since_unix_epoch(created_at_micros),
-    });
-    Ok(())
-}
-
 fn ensure_session_missing(ctx: &TxContext, session_id: &str) -> Result<(), String> {
     if ctx
         .db