430 lines
15 KiB
Rust
430 lines
15 KiB
Rust
use module_big_fish::{BigFishAnchorPack, BigFishAnchorStatus, BigFishCreationStage};
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use platform_llm::LlmClient;
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use serde::{Deserialize, Serialize};
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use serde_json::{Value as JsonValue, json};
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use spacetime_client::{
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BigFishAgentMessageRecord, BigFishMessageFinalizeRecordInput, BigFishSessionRecord,
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};
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use crate::creation_agent_anchor_templates::{
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get_creation_agent_anchor_template, render_anchor_question_block,
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};
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use crate::creation_agent_chat::render_quick_fill_extra_rules;
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use crate::creation_agent_llm_turn::{
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CreationAgentLlmTurnErrorMessages, stream_creation_agent_json_turn,
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};
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#[derive(Clone, Debug)]
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pub(crate) struct BigFishAgentTurnRequest<'a> {
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pub llm_client: Option<&'a LlmClient>,
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pub session: &'a BigFishSessionRecord,
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pub quick_fill_requested: bool,
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}
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#[derive(Clone, Debug)]
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pub(crate) struct BigFishAgentTurnResult {
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pub assistant_reply_text: String,
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pub stage: String,
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pub progress_percent: u32,
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pub anchor_pack_json: String,
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pub error_message: Option<String>,
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}
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#[derive(Clone, Debug)]
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pub(crate) struct BigFishAgentTurnError {
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message: String,
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}
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impl BigFishAgentTurnError {
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fn new(message: impl Into<String>) -> Self {
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Self {
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message: message.into(),
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}
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}
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}
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impl std::fmt::Display for BigFishAgentTurnError {
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fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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formatter.write_str(&self.message)
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}
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}
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impl std::error::Error for BigFishAgentTurnError {}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct BigFishAgentModelOutput {
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reply_text: String,
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progress_percent: u32,
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next_anchor_pack: BigFishAnchorPack,
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}
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const BIG_FISH_AGENT_SYSTEM_PROMPT: &str = r#"你是一个负责和创作者共创“大鱼吃小鱼”竖屏玩法的中文创意策划。
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你必须把用户灵感收束成可以编译为可玩草稿的玩法、生态视觉、成长阶梯和风险节奏。
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你必须同时输出：
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1. 一段直接发给用户的中文回复 replyText
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2. 当前进度 progressPercent
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3. 下一轮完整可用的 nextAnchorPack
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硬约束：
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1. 只能输出 JSON，不能输出代码块或解释
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2. nextAnchorPack 必须是完整对象，不能只输出 patch
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3. replyText 必须是自然中文，不能提“字段”“锚点”“结构”“JSON”等内部词
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4. replyText 一次最多推进一个最关键问题
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5. 必须对齐 RPG 共创的体验：先理解玩家幻想，再收束成能进入运行时的可玩效果
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6. progressPercent 范围只能是 0 到 100
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7. status 只能使用 missing / inferred / confirmed / locked
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"#;
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const BIG_FISH_AGENT_OUTPUT_CONTRACT: &str = r#"请严格按以下 JSON 输出，不要输出其他文字：
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{
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"replyText": "",
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"progressPercent": 0,
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"nextAnchorPack": {
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"gameplayPromise": {
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"key": "gameplayPromise",
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"label": "玩法承诺",
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"value": "",
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"status": "missing"
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},
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"ecologyVisualTheme": {
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"key": "ecologyVisualTheme",
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"label": "生态视觉主题",
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"value": "",
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"status": "missing"
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},
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"growthLadder": {
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"key": "growthLadder",
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"label": "成长阶梯",
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"value": "",
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"status": "missing"
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},
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"riskTempo": {
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"key": "riskTempo",
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"label": "风险节奏",
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"value": "",
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"status": "missing"
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}
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}
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}"#;
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pub(crate) async fn run_big_fish_agent_turn<F>(
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request: BigFishAgentTurnRequest<'_>,
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on_reply_update: F,
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) -> Result<BigFishAgentTurnResult, BigFishAgentTurnError>
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where
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F: FnMut(&str),
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{
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let prompt = build_big_fish_agent_prompt(request.session, request.quick_fill_requested);
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let turn_output = stream_creation_agent_json_turn(
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request.llm_client,
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format!("{BIG_FISH_AGENT_SYSTEM_PROMPT}\n\n{prompt}"),
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"请按约定输出这一轮的 JSON。",
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CreationAgentLlmTurnErrorMessages {
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model_unavailable: "当前模型不可用，请稍后重试。",
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generation_failed: "大鱼吃小鱼聊天生成失败，请稍后重试。",
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parse_failed: "大鱼吃小鱼聊天结果解析失败，请稍后重试。",
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},
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on_reply_update,
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BigFishAgentTurnError::new,
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)
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.await?;
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let output = parse_big_fish_model_output(&turn_output.parsed)?;
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Ok(BigFishAgentTurnResult {
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assistant_reply_text: output.reply_text,
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stage: BigFishCreationStage::CollectingAnchors.as_str().to_string(),
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progress_percent: if request.quick_fill_requested {
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100
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} else {
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output.progress_percent.min(100)
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},
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anchor_pack_json: serde_json::to_string(&output.next_anchor_pack)
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.unwrap_or_else(|_| "{}".to_string()),
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error_message: None,
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})
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}
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pub(crate) fn build_finalize_record_input(
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session_id: String,
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owner_user_id: String,
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assistant_message_id: String,
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result: BigFishAgentTurnResult,
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updated_at_micros: i64,
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) -> BigFishMessageFinalizeRecordInput {
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BigFishMessageFinalizeRecordInput {
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session_id,
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owner_user_id,
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assistant_message_id: Some(assistant_message_id),
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assistant_reply_text: Some(result.assistant_reply_text),
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stage: result.stage,
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progress_percent: result.progress_percent,
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anchor_pack_json: result.anchor_pack_json,
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error_message: result.error_message,
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updated_at_micros,
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}
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}
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pub(crate) fn build_failed_finalize_record_input(
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session_id: String,
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owner_user_id: String,
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session: &BigFishSessionRecord,
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error_message: String,
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updated_at_micros: i64,
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) -> BigFishMessageFinalizeRecordInput {
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BigFishMessageFinalizeRecordInput {
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session_id,
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owner_user_id,
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assistant_message_id: None,
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assistant_reply_text: None,
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stage: session.stage.clone(),
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progress_percent: session.progress_percent,
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anchor_pack_json: serialize_record_anchor_pack(&session.anchor_pack),
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error_message: Some(error_message),
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updated_at_micros,
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}
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}
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fn build_big_fish_agent_prompt(
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session: &BigFishSessionRecord,
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quick_fill_requested: bool,
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) -> String {
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let anchor_question_block = get_creation_agent_anchor_template("big_fish")
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.map(render_anchor_question_block)
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.unwrap_or_else(|| "模板目标：收束成可玩的竖屏大鱼吃小鱼玩法草稿。".to_string());
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let quick_fill_rules = if quick_fill_requested {
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format!(
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"\n\n{}",
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render_quick_fill_extra_rules(
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"当前玩法方向里的成长、生态、风险节奏等缺失关键词",
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"不要要求用户再提供等级、鱼群、场景或节奏信息",
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"输出完整 nextAnchorPack，直接补齐 value 为空或 status 为 missing 的项",
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"生成结果页",
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)
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)
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} else {
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String::new()
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};
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format!(
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"{anchor_question_block}{quick_fill_rules}\n\n当前是第 {turn} 轮，当前进度 {progress}% 。\n\n是否要求自动补充剩余关键字：{quick_fill_requested_text}\n\n当前 anchor pack：\n{anchor_pack}\n\n最近聊天记录：\n{chat_history}\n\n{contract}",
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anchor_question_block = anchor_question_block,
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quick_fill_rules = quick_fill_rules,
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turn = session.current_turn.saturating_add(1),
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progress = session.progress_percent,
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quick_fill_requested_text = if quick_fill_requested { "是" } else { "否" },
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anchor_pack = serialize_record_anchor_pack(&session.anchor_pack),
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chat_history =
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serde_json::to_string_pretty(&build_chat_history(session.messages.as_slice()))
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.unwrap_or_else(|_| "[]".to_string()),
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contract = BIG_FISH_AGENT_OUTPUT_CONTRACT,
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)
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}
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fn build_chat_history(messages: &[BigFishAgentMessageRecord]) -> Vec<JsonValue> {
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messages
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.iter()
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.map(|message| {
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json!({
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"role": message.role,
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"kind": message.kind,
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"content": message.text,
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})
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})
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.collect()
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}
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fn parse_big_fish_model_output(
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parsed: &JsonValue,
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) -> Result<BigFishAgentModelOutput, BigFishAgentTurnError> {
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let reply_text = parsed
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.get("replyText")
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.and_then(JsonValue::as_str)
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.map(str::trim)
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.filter(|value| !value.is_empty())
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.ok_or_else(|| BigFishAgentTurnError::new("大鱼吃小鱼聊天结果缺少有效回复，请稍后重试。"))?
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.to_string();
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let progress_percent = parsed
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.get("progressPercent")
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.and_then(JsonValue::as_u64)
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.map(|value| value.min(100) as u32)
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.unwrap_or(0);
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let next_anchor_pack_value = parsed
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.get("nextAnchorPack")
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.cloned()
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.ok_or_else(|| BigFishAgentTurnError::new("大鱼吃小鱼聊天结果缺少 nextAnchorPack。"))?;
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let next_anchor_pack = parse_big_fish_model_anchor_pack(&next_anchor_pack_value)?;
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Ok(BigFishAgentModelOutput {
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reply_text,
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progress_percent,
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next_anchor_pack,
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})
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}
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fn parse_big_fish_model_anchor_pack(
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value: &JsonValue,
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) -> Result<BigFishAnchorPack, BigFishAgentTurnError> {
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Ok(BigFishAnchorPack {
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// LLM 与 HTTP 契约使用 camelCase；SpacetimeDB 持久化结构保持 Rust snake_case，边界处必须显式翻译。
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gameplay_promise: parse_big_fish_model_anchor_item(value, "gameplayPromise")?,
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ecology_visual_theme: parse_big_fish_model_anchor_item(value, "ecologyVisualTheme")?,
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growth_ladder: parse_big_fish_model_anchor_item(value, "growthLadder")?,
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risk_tempo: parse_big_fish_model_anchor_item(value, "riskTempo")?,
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})
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}
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fn parse_big_fish_model_anchor_item(
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pack: &JsonValue,
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field_name: &str,
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) -> Result<module_big_fish::BigFishAnchorItem, BigFishAgentTurnError> {
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let value = pack.get(field_name).ok_or_else(|| {
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BigFishAgentTurnError::new(format!("大鱼吃小鱼 anchor pack 缺少 {field_name}。"))
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})?;
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let key = value
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.get("key")
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.and_then(JsonValue::as_str)
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.map(str::trim)
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.filter(|text| !text.is_empty())
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.unwrap_or(field_name)
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.to_string();
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let label = value
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.get("label")
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.and_then(JsonValue::as_str)
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.map(str::trim)
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.filter(|text| !text.is_empty())
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.unwrap_or_else(|| default_big_fish_anchor_label(field_name))
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.to_string();
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let item_value = value
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.get("value")
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.and_then(JsonValue::as_str)
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.map(str::trim)
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.unwrap_or_default()
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.to_string();
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let status = value
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.get("status")
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.and_then(JsonValue::as_str)
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.map(parse_big_fish_anchor_status)
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.unwrap_or(BigFishAnchorStatus::Missing);
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Ok(module_big_fish::BigFishAnchorItem {
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key,
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label,
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value: item_value,
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status,
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})
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}
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fn default_big_fish_anchor_label(field_name: &str) -> &'static str {
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match field_name {
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"gameplayPromise" => "玩法承诺",
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"ecologyVisualTheme" => "生态视觉主题",
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"growthLadder" => "成长阶梯",
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"riskTempo" => "风险节奏",
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_ => "大鱼锚点",
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}
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}
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fn serialize_record_anchor_pack(anchor_pack: &spacetime_client::BigFishAnchorPackRecord) -> String {
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serde_json::to_string_pretty(&map_big_fish_record_anchor_pack(anchor_pack))
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.unwrap_or_else(|_| "{}".to_string())
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}
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fn map_big_fish_record_anchor_pack(
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record: &spacetime_client::BigFishAnchorPackRecord,
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) -> BigFishAnchorPack {
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BigFishAnchorPack {
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gameplay_promise: map_big_fish_record_anchor_item(&record.gameplay_promise),
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ecology_visual_theme: map_big_fish_record_anchor_item(&record.ecology_visual_theme),
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growth_ladder: map_big_fish_record_anchor_item(&record.growth_ladder),
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risk_tempo: map_big_fish_record_anchor_item(&record.risk_tempo),
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}
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}
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fn map_big_fish_record_anchor_item(
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record: &spacetime_client::BigFishAnchorItemRecord,
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) -> module_big_fish::BigFishAnchorItem {
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module_big_fish::BigFishAnchorItem {
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key: record.key.clone(),
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label: record.label.clone(),
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value: record.value.clone(),
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status: parse_big_fish_anchor_status(record.status.as_str()),
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}
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}
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fn parse_big_fish_anchor_status(value: &str) -> BigFishAnchorStatus {
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match value {
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"confirmed" => BigFishAnchorStatus::Confirmed,
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"locked" => BigFishAnchorStatus::Locked,
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"inferred" => BigFishAnchorStatus::Inferred,
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_ => BigFishAnchorStatus::Missing,
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}
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}
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#[cfg(test)]
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mod tests {
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use super::build_big_fish_agent_prompt;
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fn anchor_item(
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key: &str,
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label: &str,
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value: &str,
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status: &str,
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) -> spacetime_client::BigFishAnchorItemRecord {
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spacetime_client::BigFishAnchorItemRecord {
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key: key.to_string(),
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label: label.to_string(),
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value: value.to_string(),
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status: status.to_string(),
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}
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}
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fn empty_session_record() -> spacetime_client::BigFishSessionRecord {
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spacetime_client::BigFishSessionRecord {
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session_id: "big-fish-session-test".to_string(),
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current_turn: 2,
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progress_percent: 60,
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stage: "collecting_anchors".to_string(),
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anchor_pack: spacetime_client::BigFishAnchorPackRecord {
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gameplay_promise: anchor_item(
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"gameplayPromise",
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"玩法承诺",
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"微光小鱼逆袭深海巨兽",
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"confirmed",
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),
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ecology_visual_theme: anchor_item(
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"ecologyVisualTheme",
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"生态视觉主题",
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"幽蓝珊瑚海沟",
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"confirmed",
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),
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growth_ladder: anchor_item("growthLadder", "成长阶梯", "", "missing"),
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risk_tempo: anchor_item("riskTempo", "风险节奏", "", "missing"),
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},
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draft: None,
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asset_slots: Vec::new(),
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asset_coverage: spacetime_client::BigFishAssetCoverageRecord {
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level_main_image_ready_count: 0,
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level_motion_ready_count: 0,
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background_ready: false,
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required_level_count: 8,
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publish_ready: false,
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blockers: Vec::new(),
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},
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messages: Vec::new(),
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last_assistant_reply: None,
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publish_ready: false,
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updated_at: "2026-04-24T10:00:00.000Z".to_string(),
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}
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}
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#[test]
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fn quick_fill_prompt_forbids_follow_up_questions() {
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let prompt = build_big_fish_agent_prompt(&empty_session_record(), true);
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assert!(prompt.contains("用户刚刚主动要求你自动补充剩余关键字"));
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assert!(prompt.contains("不要再继续提问"));
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assert!(prompt.contains("progressPercent 直接输出为 100"));
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}
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}
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