| 1 | import type { |
| 2 | HistoryContentRef, |
| 3 | HistoryEntry, |
| 4 | HistoryMessage, |
| 5 | HistorySlice, |
| 6 | HistorySliceRequest, |
| 7 | } from "./types"; |
| 8 | |
| 9 | export function mockHistorySlice( |
| 10 | tabID: string, |
| 11 | messages: HistoryMessage[], |
| 12 | req: HistorySliceRequest, |
| 13 | benchMock: boolean, |
| 14 | ): HistorySlice { |
| 15 | const turnsOf: number[] = []; |
| 16 | let turn = 0; |
| 17 | for (const message of messages) { |
| 18 | if (message.role === "user") turn += 1; |
| 19 | turnsOf.push(turn); |
| 20 | } |
| 21 | let before = messages.length; |
| 22 | if (req.cursor) { |
| 23 | try { |
| 24 | const decoded = JSON.parse(atob(req.cursor)) as { before?: number }; |
| 25 | if (typeof decoded.before === "number" && decoded.before >= 0 && decoded.before < before) before = decoded.before; |
| 26 | } catch { /* unknown cursor: serve the latest page */ } |
| 27 | } |
| 28 | const empty: HistorySlice = { entries: [], nextCursor: "", hasOlder: false, totalTurns: turn, startTurn: 0, endTurn: 0, stale: false, revision: 0 }; |
| 29 | if (before <= 0 || messages.length === 0) return empty; |
| 30 | const windowedTranscriptContract = messages.length === 2_000 |
| 31 | && messages.some((message) => message.content?.includes("Windowed turn 1000")); |
| 32 | const turns = windowedTranscriptContract |
| 33 | ? Math.max(120, Math.floor(req.turns || 0)) |
| 34 | : Math.max(1, Math.floor(req.turns || 12)); |
| 35 | const newestTurn = turnsOf[before - 1]; |
| 36 | const oldestTurn = newestTurn > 0 ? Math.max(newestTurn - turns + 1, 1) : 0; |
| 37 | let lo = 0; |
| 38 | if (oldestTurn > 1) { |
| 39 | lo = before; |
| 40 | for (let index = 0; index < before; index += 1) { |
| 41 | if (turnsOf[index] >= oldestTurn) { |
| 42 | lo = index; |
| 43 | break; |
| 44 | } |
| 45 | } |
| 46 | } |
| 47 | // The geometry-contract fixture is deliberately a single completed turn. |
| 48 | // Serve all of it in the first slice so its first-visit traversal measures |
| 49 | // row geometry, not an unrelated history-prepend transaction. Prepend is |
| 50 | // covered by the dedicated history pagination scenario below. |
| 51 | const geometryContract = messages.some((message) => message.content?.includes("Geometry contract fixture complete.")); |
| 52 | // The browser selection contract spans 20+ turns in the 3.2k-message |
| 53 | // tool-dense fixture. A production request is turn-budgeted, but the dev |
| 54 | // mock's generic 120-entry fallback would expose barely two such turns and |
| 55 | // make the test depend on a long chain of incidental prepend timings. |
| 56 | const toolDenseSelectionContract = messages.length > 1_500 |
| 57 | && messages.some((message) => message.content?.startsWith("bench turn 38:")); |
| 58 | const maxEntries = geometryContract |
| 59 | ? messages.length |
| 60 | : toolDenseSelectionContract |
| 61 | ? Math.max(1_000, Math.floor(req.entries || 0)) |
| 62 | : windowedTranscriptContract |
| 63 | ? Math.max(240, Math.floor(req.entries || 0)) |
| 64 | : Math.max(1, Math.floor(req.entries || 120)); |
| 65 | if (before - lo > maxEntries) lo = before - maxEntries; |
| 66 | const entries = messages.slice(lo, before).map((message, index) => { |
| 67 | const entryId = `smock-${tabID}:r0:m${lo + index}:o0`; |
| 68 | const content = message.content ?? ""; |
| 69 | const reasoning = message.reasoning ?? ""; |
| 70 | const lazyContent = benchMock && content.includes("ASYNC LAYOUT EXPANSION COMPLETE"); |
| 71 | const stormContent = benchMock && content.includes("BENCH STORM HYDRATION RESOLVED"); |
| 72 | const stormReasoning = benchMock && reasoning.includes("BENCH STORM HYDRATION RESOLVED"); |
| 73 | const refs: HistoryEntry["refs"] = []; |
| 74 | if (lazyContent || stormContent) { |
| 75 | refs.push({ entryId, field: "content", size: content.length, chunks: 1, revision: 0, revKnown: false, digest: "" }); |
| 76 | } |
| 77 | if (stormReasoning) { |
| 78 | refs.push({ entryId, field: "reasoning", size: reasoning.length, chunks: 1, revision: 0, revKnown: false, digest: "" }); |
| 79 | } |
| 80 | return { |
| 81 | entryId, |
| 82 | turn: turnsOf[lo + index], |
| 83 | order: lo + index, |
| 84 | message: refs.length > 0 ? { |
| 85 | ...message, |
| 86 | ...(lazyContent || stormContent ? { content: content.slice(0, 4 * 1024) } : {}), |
| 87 | ...(stormReasoning ? { reasoning: reasoning.slice(0, 4 * 1024) } : {}), |
| 88 | } : message, |
| 89 | refs, |
| 90 | }; |
| 91 | }); |
| 92 | const visibleTurns = entries.map((entry) => entry.turn).filter((value) => value > 0); |
| 93 | return { |
| 94 | entries, |
| 95 | nextCursor: lo > 0 ? btoa(JSON.stringify({ v: 1, before: lo })) : "", |
| 96 | hasOlder: lo > 0, |
| 97 | totalTurns: turn, |
| 98 | startTurn: visibleTurns.length > 0 ? Math.min(...visibleTurns) : 0, |
| 99 | endTurn: visibleTurns.length > 0 ? Math.max(...visibleTurns) : 0, |
| 100 | stale: false, |
| 101 | revision: 0, |
| 102 | }; |
| 103 | } |
| 104 | |
| 105 | export function mockHistoryContentField(message: HistoryMessage, ref: HistoryContentRef): string { |
| 106 | switch (ref.field) { |
| 107 | case "content": return message.content ?? ""; |
| 108 | case "reasoning": return message.reasoning ?? ""; |
| 109 | case "submitText": return message.submitText ?? ""; |
| 110 | case "detail": return message.detail ?? ""; |
| 111 | case "code": return message.code ?? ""; |
| 112 | case "summary": return message.summary ?? ""; |
| 113 | case "archive": return message.archive ?? ""; |
| 114 | case "toolResultError": return message.toolResultError ?? ""; |
| 115 | case "toolArguments": return (message.toolCalls ?? []).find((toolCall) => toolCall.id === ref.toolCallId)?.arguments ?? ""; |
| 116 | case "toolSubject": return (message.toolCalls ?? []).find((toolCall) => toolCall.id === ref.toolCallId)?.subject ?? ""; |
| 117 | case "toolSummary": return (message.toolCalls ?? []).find((toolCall) => toolCall.id === ref.toolCallId)?.summary ?? ""; |
| 118 | case "toolDiff": return (message.toolCalls ?? []).find((toolCall) => toolCall.id === ref.toolCallId)?.diff ?? ""; |
| 119 | default: return ""; |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | // The dev mock's topic history: one fixture per mock topic, addressed the way the |
| 124 | // transcript addresses it. The epoch is a parameter so a session's timestamps stay |
| 125 | // stable across every read of the same mock app. |
| 126 | function mockLongTranscriptHistory(t0: number): HistoryMessage[] { |
| 127 | const out: HistoryMessage[] = []; |
| 128 | for (let i = 1; i <= 18; i++) { |
| 129 | out.push({ |
| 130 | role: "user", |
| 131 | content: `第 ${i} 轮：检查聊天滚动定位，切换会话后应该自动停在最新消息底部。`, |
| 132 | createdAt: t0 - (19 - i) * 15 * 60_000, |
| 133 | }); |
| 134 | if (i === 4) { |
| 135 | out.push({ role: "phase", content: "复现切换会话后的滚动位置" }); |
| 136 | } |
| 137 | if (i === 8) { |
| 138 | const toolID = "mock-scroll-layout-check"; |
| 139 | out.push({ |
| 140 | role: "assistant", |
| 141 | content: "我会先读取滚动容器尺寸，再确认是否存在动态高度变化导致的底部偏移。", |
| 142 | reasoning: "旧实现只重置 stick 标志，没有主动等待布局稳定；AskCard、Approval、Todo 这类卡片可能在下一帧改变高度。", |
| 143 | toolCalls: [{ id: toolID, name: "bash", arguments: JSON.stringify({ command: "npm run check:css && pnpm typecheck" }) }], |
| 144 | }); |
| 145 | out.push({ |
| 146 | role: "tool", |
| 147 | toolCallId: toolID, |
| 148 | toolName: "bash", |
| 149 | content: "CSS syntax check passed\nz-index token check passed\ntsc --noEmit passed\n", |
| 150 | }); |
| 151 | continue; |
| 152 | } |
| 153 | if (i === 13) { |
| 154 | out.push({ role: "notice", level: "info", content: "模拟提示：用户向上查看历史后，右下角应出现跳到底部按钮。" }); |
| 155 | } |
| 156 | out.push({ |
| 157 | role: "assistant", |
| 158 | content: [ |
| 159 | `第 ${i} 轮结果：当前滚动契约会在切换会话或 reveal 信号到达后执行强制贴底。`, |
| 160 | "它会先立即设置 scrollTop 到 scrollHeight，再连续几个 animation frame 复查，避免动态内容把底部再次推走。", |
| 161 | "如果用户主动向上滚动，普通 streaming 不会强行拉回；只有点击跳到底部按钮或显式切换会话才会重新贴底。", |
| 162 | ].join("\n\n"), |
| 163 | }); |
| 164 | } |
| 165 | out.push({ |
| 166 | role: "compaction", |
| 167 | content: "", |
| 168 | trigger: "manual", |
| 169 | messages: 36, |
| 170 | summary: "Mock 长会话用于验证桌面端 Transcript 自动贴底、多帧布局修正和跳到底部按钮。", |
| 171 | archive: "mock-scroll-preview", |
| 172 | }); |
| 173 | out.push({ |
| 174 | role: "assistant", |
| 175 | content: "最终状态：这条消息应该位于真实底部。向上滚动后，右下角会显示跳到底部按钮；点击按钮后应回到这里。", |
| 176 | }); |
| 177 | return out; |
| 178 | } |
| 179 | |
| 180 | export function mockTopicHistory(t0: number, topicId: string): HistoryMessage[] { |
| 181 | switch (topicId) { |
| 182 | case "topic_product": |
| 183 | return [ |
| 184 | { |
| 185 | role: "user", |
| 186 | content: [ |
| 187 | "[[reasonix-im]]", |
| 188 | "provider=lark", |
| 189 | "label=Feishu / Lark", |
| 190 | "sender=ou_mock_user_001", |
| 191 | "chat=p2p 会话", |
| 192 | "[[/reasonix-im]]", |
| 193 | "你可以做什么", |
| 194 | ].join("\n"), |
| 195 | }, |
| 196 | { |
| 197 | role: "assistant", |
| 198 | content: "这是 Global 范围下的 IM 会话。我可以先处理不依赖项目文件的问答、计划和信息整理；需要进入项目时，再由桌面端显式绑定或迁移到项目话题。", |
| 199 | }, |
| 200 | ]; |
| 201 | case "topic_ai": |
| 202 | return [ |
| 203 | { |
| 204 | role: "user", |
| 205 | content: [ |
| 206 | "[[reasonix-im]]", |
| 207 | "provider=weixin", |
| 208 | "label=微信", |
| 209 | "sender=wxid_mock_user_001", |
| 210 | "chat=单聊", |
| 211 | "[[/reasonix-im]]", |
| 212 | "帮我整理一下今天要做的事", |
| 213 | ].join("\n"), |
| 214 | }, |
| 215 | { |
| 216 | role: "assistant", |
| 217 | content: "可以。我会先在 Global 范围里整理任务清单；如果某条任务需要读取项目文件，再切到你授权的项目话题处理。", |
| 218 | }, |
| 219 | ]; |
| 220 | case "topic_dev_standard": |
| 221 | return mockLongTranscriptHistory(t0); |
| 222 | case "topic_p3b_pd": |
| 223 | return [ |
| 224 | { role: "user", content: "把 p3b P&D 的范围和风险重新整理成可执行计划。" }, |
| 225 | { role: "phase", content: "分析需求范围" }, |
| 226 | ]; |
| 227 | case "topic_p3a_pd": |
| 228 | return [ |
| 229 | { role: "user", content: "复盘 p3a 的技术方案，先不要写文件，先说明你的判断。" }, |
| 230 | ]; |
| 231 | case "topic_hotfix": |
| 232 | return [ |
| 233 | { role: "user", content: "检查 post-p3-hotfix 的回归风险，重点看最近的 shell 输出和 git 改动。" }, |
| 234 | { role: "assistant", content: "", reasoning: "我先定位最近一次 hotfix 的上下文，然后用只读命令检查状态；左侧保持“思考中”，工具细节在这里展开。" }, |
| 235 | ]; |
| 236 | case "topic_sys_coord": |
| 237 | return [ |
| 238 | { role: "user", content: "准备执行 joyquant-sys 的同步脚本，但需要我确认后再运行。" }, |
| 239 | { role: "assistant", content: "", reasoning: "这个动作会运行脚本并可能刷新本地缓存，所以需要先等用户确认。" }, |
| 240 | ]; |
| 241 | case "topic_sys_standard": |
| 242 | return [ |
| 243 | { role: "user", content: "继续制定 SYS 项目开发规范，先停在当前检查点。" }, |
| 244 | { role: "assistant", content: "已暂停在规范整理阶段。当前保留了目录约定、分支策略和待确认的发布检查项；继续时可以从这里恢复。" }, |
| 245 | { role: "notice", level: "info", content: "会话已暂停：未继续执行命令，等待用户恢复或切换任务。" }, |
| 246 | ]; |
| 247 | case "topic_sys_exception": |
| 248 | return [ |
| 249 | { role: "user", content: "演练异常处理流程，看看失败时界面怎么提示。" }, |
| 250 | { role: "assistant", content: "我尝试校验恢复脚本时遇到异常，已停止继续执行。" }, |
| 251 | { role: "notice", level: "warn", content: "运行异常：恢复脚本缺少必要环境变量 JOYQUANT_SYS_TOKEN。请补齐配置后重试。" }, |
| 252 | ]; |
| 253 | default: |
| 254 | return []; |
| 255 | } |
| 256 | } |
| 257 |