546 lines
24 KiB
Python
546 lines
24 KiB
Python
"""交流文本（Workspace）—— 端云协同 LLM 协作系统的核心协议（零依赖）。
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大模型（Architect）与小模型（Worker）互不共享内部状态，只通过这份
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schema 约束的结构化 JSON 共享工作区交接（类比前后端通过 API 契约协作）。
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本模块实现（对齐《实现方案_v2》第 4 节）：
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- WORKSPACE_SCHEMA：draft-07 风格 schema 常量（文档/校验依据）
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- validate()：结构 + 字段长度校验（写入前必过，D2/D9）
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- 锚点寻址：a://<file>#L<start>-<end>（引用工件片段，替代全文复制）
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- 双渲染函数：render_for_architect（≤1200 token）、render_for_worker（≤8K token）
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- rollup()：已完成步骤折叠为 archive 摘要行；超限压缩（只减不删，4.5）
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- 状态机：draft -> in_progress -> reviewing -> done / escalated / failed
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"""
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from __future__ import annotations
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import copy
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import json
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import re
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from pathlib import Path
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from typing import Any, Dict, List, Optional
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VERSION = "1.0"
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# ---------------------------------------------------------------------------
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# 字段长度上限（同时是 rollup 依据，4.2）
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# ---------------------------------------------------------------------------
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LIMITS = {
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"goal": 500, # brief.goal 字数
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"task": 300, # brief.plan[].task 字数
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"summary": 200, # progress[].summary 字数
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"issue_text": 300, # issues[].observed/expected/tried/ask 字数
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"reply": 600, # decisions[].reply 字数
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"archive": 160, # archive[] 每条字数
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"constraints": 8, # brief.constraints 上限条数
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"plan_steps": 5, # brief.plan 上限步数
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"acceptance": 20, # brief.acceptance 上限条数
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"query_truncate": 200, # render_for_architect 中 query 截断
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}
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# 允许的领域标签（4.2 brief.tags；仅用于安全标记与验证接地，不做路由 D3）
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ALLOWED_TAGS = {"code", "math", "legal", "medical", "finance",
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"life", "education", "general", "safety"}
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STATUS_FLOW = {
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"draft": {"in_progress"},
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"in_progress": {"reviewing", "escalated", "failed", "in_progress"},
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"reviewing": {"done", "in_progress", "failed"},
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"escalated": {"reviewing", "done", "failed"},
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"done": set(),
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"failed": set(),
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}
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# ---------------------------------------------------------------------------
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# JSON Schema（draft-07 风格，draft-07 依赖内嵌；供校验与文档参考）
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# ---------------------------------------------------------------------------
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WORKSPACE_SCHEMA: Dict[str, Any] = {
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"$schema": "http://json-schema.org/draft-07/schema#",
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"title": "Communication Workspace",
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"type": "object",
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"required": ["version", "request_id", "query", "meta"],
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"additionalProperties": False,
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"properties": {
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"version": {"const": VERSION},
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"request_id": {"type": "string", "minLength": 1},
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"query": {"type": "string", "minLength": 1},
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"meta": {
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"type": "object",
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"required": ["status", "round", "budget"],
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"properties": {
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"status": {"enum": ["draft", "in_progress", "reviewing", "escalated", "done", "failed"]},
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"round": {"type": "integer", "minimum": 0},
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"budget": {
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"type": "object",
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"required": ["api_input_tokens", "api_output_tokens", "api_token_cap", "rounds_cap"],
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"properties": {
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"api_input_tokens": {"type": "integer", "minimum": 0},
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"api_output_tokens": {"type": "integer", "minimum": 0},
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"api_token_cap": {"type": "integer", "minimum": 1},
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"rounds_cap": {"type": "integer", "minimum": 1},
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},
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},
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},
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},
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"brief": {
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"type": "object",
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"required": ["goal", "constraints", "tags", "acceptance", "plan"],
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"properties": {
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"goal": {"type": "string"},
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"constraints": {"type": "array", "items": {"type": "string"}},
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"tags": {"type": "array", "items": {"type": "string"}},
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"acceptance": {"type": "array", "items": {"type": "object"}},
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"plan": {"type": "array", "items": {"type": "object"}},
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},
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},
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"progress": {"type": "array", "items": {"type": "object"}},
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"issues": {"type": "array", "items": {"type": "object"}},
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"decisions": {"type": "array", "items": {"type": "object"}},
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"archive": {"type": "array", "items": {"type": "string"}},
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},
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}
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# ---------------------------------------------------------------------------
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# 工具
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# ---------------------------------------------------------------------------
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_TOKEN_PER_CHAR_ZH = 1 / 1.6 # 中文约 1.6 字/token
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_TOKEN_PER_CHAR_EN = 1 / 4.0 # 英文约 4 字/token
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def estimate_tokens(text: str) -> int:
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"""粗略 token 估算（中英混合，用于渲染预算校验）。"""
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if not text:
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return 0
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zh = sum(1 for ch in text if "\u4e00" <= ch <= "\u9fff")
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en = len(text) - zh
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return max(1, int(zh * _TOKEN_PER_CHAR_ZH + en * _TOKEN_PER_CHAR_EN))
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def build_anchor(filename: str, start: int = 1, end: Optional[int] = None) -> str:
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"""构造锚点：a://<file>#L<start>-<end>；end 缺省仅 L<start>。"""
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if end is None:
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return f"a://{filename}#L{start}"
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return f"a://{filename}#L{start}-{end}"
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_ANCHOR_RE = re.compile(r"^a://(?P<file>[^#]+?)(?:#L(?P<start>\d+)(?:-(?P<end>\d+))?)?$")
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def parse_anchor(anchor: str) -> Optional[Dict[str, Any]]:
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"""解析锚点为 {file, start, end}；非法返回 None。"""
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m = _ANCHOR_RE.match(anchor)
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if not m:
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return None
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start = int(m.group("start")) if m.group("start") else 1
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end = int(m.group("end")) if m.group("end") else start
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return {"file": m.group("file"), "start": start, "end": end}
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def _clip(text: str, limit: int) -> str:
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"""按字数截断（中文按字符）。"""
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if len(text) <= limit:
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return text
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return text[:limit] + "…"
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# ---------------------------------------------------------------------------
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# 校验
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# ---------------------------------------------------------------------------
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def validate(ws: Dict[str, Any]) -> List[str]:
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"""校验 workspace 结构 + 字段长度。返回错误列表（空 = 合法）。"""
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errors: List[str] = []
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if not isinstance(ws, dict):
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return ["workspace 必须是 object"]
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if ws.get("version") != VERSION:
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errors.append(f"version 必须是 {VERSION}")
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if not isinstance(ws.get("request_id"), str) or not ws["request_id"]:
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errors.append("request_id 必须是非空字符串")
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if not isinstance(ws.get("query"), str) or not ws["query"]:
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errors.append("query 必须是非空字符串")
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meta = ws.get("meta")
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if not isinstance(meta, dict):
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errors.append("meta 必须是 object")
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else:
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if meta.get("status") not in STATUS_FLOW:
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errors.append(f"meta.status 非法: {meta.get('status')}")
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budget = meta.get("budget")
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if not isinstance(budget, dict):
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errors.append("meta.budget 必须是 object")
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else:
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for k in ("api_input_tokens", "api_output_tokens", "api_token_cap", "rounds_cap"):
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if not isinstance(budget.get(k), int) or budget.get(k) < 0:
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errors.append(f"meta.budget.{k} 必须是非负整数")
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brief = ws.get("brief")
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if brief is not None:
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if not isinstance(brief, dict):
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errors.append("brief 必须是 object")
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else:
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if not isinstance(brief.get("goal"), str):
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errors.append("brief.goal 必须是字符串")
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elif len(brief["goal"]) > LIMITS["goal"]:
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errors.append(f"brief.goal 超长（>{LIMITS['goal']}字）")
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if not isinstance(brief.get("constraints"), list):
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errors.append("brief.constraints 必须是数组")
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elif len(brief["constraints"]) > LIMITS["constraints"]:
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errors.append(f"brief.constraints 超过 {LIMITS['constraints']} 条")
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if not isinstance(brief.get("tags"), list):
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errors.append("brief.tags 必须是数组")
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for t in brief.get("tags", []) or []:
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if t not in ALLOWED_TAGS:
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errors.append(f"brief.tags 含非法标签: {t}")
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acc = brief.get("acceptance")
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if not isinstance(acc, list) or len(acc) > LIMITS["acceptance"]:
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errors.append(f"brief.acceptance 需为 ≤{LIMITS['acceptance']} 的数组")
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plan = brief.get("plan")
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if not isinstance(plan, list) or len(plan) > LIMITS["plan_steps"]:
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errors.append(f"brief.plan 需为 ≤{LIMITS['plan_steps']} 步的数组")
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else:
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ids = [p.get("id") for p in plan if isinstance(p, dict)]
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if len(set(ids)) != len(ids):
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errors.append("brief.plan 存在重复 step id")
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for p in plan:
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if not isinstance(p, dict):
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errors.append("brief.plan 元素必须是 object")
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continue
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if not isinstance(p.get("task"), str):
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errors.append(f"brief.plan[{p.get('id')}].task 必须是字符串")
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elif len(p["task"]) > LIMITS["task"]:
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errors.append(f"brief.plan[{p.get('id')}].task 超长（>{LIMITS['task']}字）")
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for i, entry in enumerate(ws.get("progress", []) or []):
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if not isinstance(entry, dict):
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errors.append(f"progress[{i}] 必须是 object"); continue
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if entry.get("status") not in ("done", "failed", "blocked"):
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errors.append(f"progress[{i}].status 非法")
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if not isinstance(entry.get("summary"), str) or len(entry["summary"]) > LIMITS["summary"]:
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errors.append(f"progress[{i}].summary 非法或超长")
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for i, entry in enumerate(ws.get("issues", []) or []):
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if not isinstance(entry, dict):
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errors.append(f"issues[{i}] 必须是 object"); continue
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for k in ("observed", "expected", "tried", "ask"):
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if isinstance(entry.get(k), str) and len(entry[k]) > LIMITS["issue_text"]:
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errors.append(f"issues[{i}].{k} 超长（>{LIMITS['issue_text']}字）")
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for i, entry in enumerate(ws.get("decisions", []) or []):
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if not isinstance(entry, dict):
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errors.append(f"decisions[{i}] 必须是 object"); continue
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if isinstance(entry.get("reply"), str) and len(entry["reply"]) > LIMITS["reply"]:
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errors.append(f"decisions[{i}].reply 超长（>{LIMITS['reply']}字）")
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for i, line in enumerate(ws.get("archive", []) or []):
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if not isinstance(line, str) or len(line) > LIMITS["archive"]:
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errors.append(f"archive[{i}] 非法或超长")
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return errors
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# ---------------------------------------------------------------------------
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# Workspace
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# ---------------------------------------------------------------------------
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class Workspace:
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"""交流文本对象：持有状态、执行写入前校验、渲染、rollup、持久化。"""
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def __init__(self, data: Dict[str, Any]):
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errors = validate(data)
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if errors:
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raise ValueError("workspace 校验失败: " + "; ".join(errors[:5]))
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self._data = data
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self._brief_locked = False
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# ---------- 构造 ----------
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@classmethod
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def new(cls, request_id: str, query: str,
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api_token_cap: int = 8000, rounds_cap: int = 6) -> "Workspace":
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data = {
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"version": VERSION,
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"request_id": request_id,
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"query": query,
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"meta": {
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"status": "draft",
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"round": 0,
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"budget": {
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"api_input_tokens": 0,
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"api_output_tokens": 0,
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"api_token_cap": api_token_cap,
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"rounds_cap": rounds_cap,
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},
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},
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"brief": None,
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"progress": [],
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"issues": [],
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"decisions": [],
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"archive": [],
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}
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return cls(data)
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# ---------- 访问 ----------
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@property
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def request_id(self) -> str:
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return self._data["request_id"]
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@property
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def status(self) -> str:
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return self._data["meta"]["status"]
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@property
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def data(self) -> Dict[str, Any]:
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return copy.deepcopy(self._data)
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def get(self, key: str, default: Any = None) -> Any:
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return self._data.get(key, default)
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def __getitem__(self, key: str) -> Any:
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return self._data[key]
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def meta(self) -> Dict[str, Any]:
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return self._data["meta"]
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def budget(self) -> Dict[str, int]:
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return self._data["meta"]["budget"]
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# ---------- 写入（均先校验） ----------
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def _commit(self, data: Dict[str, Any]) -> None:
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errors = validate(data)
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if errors:
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raise ValueError("写入校验失败: " + "; ".join(errors[:5]))
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self._data = data
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def transition(self, new_status: str) -> None:
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cur = self.status
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if new_status == cur:
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return
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if new_status not in STATUS_FLOW.get(cur, set()):
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raise ValueError(f"非法状态迁移: {cur} -> {new_status}")
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self._data["meta"]["status"] = new_status
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def apply_brief(self, brief: Dict[str, Any]) -> None:
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"""写入 brief（写一次后锁定，D2：brief 恒定位于文档前部，prefix cache 友好）。"""
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if self._data.get("brief") is not None or self._brief_locked:
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raise ValueError("brief 已写入，不可重复")
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new = copy.deepcopy(self._data)
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new["brief"] = brief
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new["meta"]["status"] = "in_progress"
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self._commit(new)
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self._brief_locked = True
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def add_progress(self, step: str, status: str, summary: str,
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artifact: Optional[str] = None) -> None:
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new = copy.deepcopy(self._data)
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entry: Dict[str, Any] = {"step": step, "status": status, "summary": summary}
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if artifact:
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entry["artifact"] = artifact
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new["progress"].append(entry)
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self._commit(new)
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def add_issue(self, step: str, anchor: str, observed: str, expected: str,
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tried: str, ask: str) -> str:
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new = copy.deepcopy(self._data)
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iid = f"i{len(new['issues']) + 1}"
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entry = {
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"id": iid, "step": step, "anchor": anchor,
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"observed": observed, "expected": expected,
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"tried": tried, "ask": ask,
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}
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new["issues"].append(entry)
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self._commit(new)
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return iid
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def add_decision(self, ref: str, reply: str,
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patch_plan: Optional[List[Dict[str, str]]] = None) -> None:
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new = copy.deepcopy(self._data)
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new["decisions"].append({
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"ref": ref, "reply": reply,
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"patch_plan": patch_plan or [],
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})
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self._commit(new)
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def revise_plan(self, updates: Dict[str, str]) -> None:
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"""按 decision.patch_plan 修订既有 step 的 task（不改结构/顺序）。"""
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if self._data.get("brief") is None:
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raise ValueError("brief 尚未写入，无法修订 plan")
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new = copy.deepcopy(self._data)
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for pid, task in updates.items():
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for p in new["brief"]["plan"]:
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if p["id"] == pid:
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p["task"] = task
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break
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self._commit(new)
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def mark_round(self) -> None:
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self._data["meta"]["round"] += 1
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def add_budget(self, input_tokens: int = 0, output_tokens: int = 0) -> None:
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b = self._data["meta"]["budget"]
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b["api_input_tokens"] += int(input_tokens)
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b["api_output_tokens"] += int(output_tokens)
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self._commit(self._data)
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def exhausted(self) -> bool:
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"""预算熔断判定：API token 或回合任一触顶（D6）。"""
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b = self._data["meta"]["budget"]
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used = b["api_input_tokens"] + b["api_output_tokens"]
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if b["api_token_cap"] and used >= b["api_token_cap"]:
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return True
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if b["rounds_cap"] and self._data["meta"]["round"] >= b["rounds_cap"]:
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return True
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return False
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# ---------- rollup（4.5） ----------
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def rollup(self) -> int:
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"""把 done 的 progress 折叠为 archive 摘要行，并清理解析完成的问题。
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只减不删 archive 历史；progress 中 done 的条目折叠后移除（保留 failed/blocked）。
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返回本次折叠的条目数。
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"""
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folded = 0
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new_progress: List[Dict[str, Any]] = []
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for entry in self._data.get("progress", []):
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if entry.get("status") == "done" and entry.get("step"):
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line = _clip(f"{entry['step']}: {entry.get('summary', '')}", LIMITS["archive"])
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if line not in self._data["archive"]:
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self._data["archive"].append(line)
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folded += 1
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else:
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new_progress.append(entry)
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resolved = {d.get("ref") for d in self._data.get("decisions", [])}
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kept_issues: List[Dict[str, Any]] = []
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for iss in self._data.get("issues", []):
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if iss.get("id") in resolved:
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line = _clip(f"{iss['id']}: {iss.get('expected', '')[:60]}", LIMITS["archive"])
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if line not in self._data["archive"]:
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self._data["archive"].append(line)
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else:
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kept_issues.append(iss)
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self._data["issues"] = kept_issues
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self._data["progress"] = new_progress
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return folded
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# ---------- 渲染 ----------
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def render_for_architect(self) -> str:
|
||
"""渲染 Architect 输入（D7）：meta+query(截断)+全部 issues+最近3条 decisions
|
||
+最近回合 progress 摘要。目标 ≤1200 token。"""
|
||
d = self._data
|
||
parts: List[str] = []
|
||
m = d["meta"]
|
||
parts.append("== meta ==")
|
||
parts.append(f"status={m['status']} round={m['round']} "
|
||
f"budget={json.dumps(m['budget'], ensure_ascii=False)}")
|
||
parts.append("== query ==")
|
||
parts.append(_clip(d["query"], LIMITS["query_truncate"]))
|
||
if d.get("brief"):
|
||
b = d["brief"]
|
||
parts.append("== brief(锁定) ==")
|
||
parts.append(f"goal: {_clip(b['goal'], 120)}")
|
||
parts.append(f"plan: {[p['id'] for p in b.get('plan', [])]}")
|
||
parts.append(f"acceptance: {[a.get('id') for a in b.get('acceptance', [])]}")
|
||
parts.append("== issues ==")
|
||
for iss in d.get("issues", []):
|
||
parts.append(f"{iss['id']} step={iss.get('step')} anchor={iss.get('anchor')} "
|
||
f"ask={_clip(iss.get('ask', ''), 80)}")
|
||
parts.append("== 最近 3 条 decisions ==")
|
||
for dec in d.get("decisions", [])[-3:]:
|
||
parts.append(f"ref={dec.get('ref')} reply={_clip(dec.get('reply', ''), 80)}")
|
||
parts.append("== progress 摘要 ==")
|
||
for p in d.get("progress", [])[-5:]:
|
||
parts.append(f"{p.get('step')} [{p.get('status')}] {_clip(p.get('summary', ''), 40)}")
|
||
parts.append("== archive ==")
|
||
for line in d.get("archive", [])[-8:]:
|
||
parts.append(line)
|
||
# token 预算：超限先截断最旧 archive（已只保留 3 条 decisions）
|
||
out = "\n".join(parts)
|
||
while estimate_tokens(out) > 1200 and len(d.get("archive", [])) > 4:
|
||
d = copy.deepcopy(d)
|
||
d["archive"] = d["archive"][4:]
|
||
out = "\n".join(_rerender(self, d))
|
||
return out
|
||
|
||
def render_for_worker(self, step_id: str,
|
||
artifact_text: Optional[str] = None) -> str:
|
||
"""渲染 Worker 输入（4.4）：brief 全文+该 step 定义+依赖 step 的 archive 摘要行
|
||
+该 step 现有工件全文+验收标准。目标 ≤8K token。"""
|
||
d = self._data
|
||
b = d.get("brief")
|
||
parts: List[str] = []
|
||
if b:
|
||
parts.append("== 任务目标 (goal) ==")
|
||
parts.append(b["goal"])
|
||
parts.append("== 约束 (constraints) ==")
|
||
parts.extend(f"- {c}" for c in b.get("constraints", []))
|
||
parts.append("== 全部步骤 (plan) ==")
|
||
for p in b.get("plan", []):
|
||
mark = " <-- 当前步" if p.get("id") == step_id else ""
|
||
parts.append(f"{p['id']}: {p.get('task', '')}{mark}")
|
||
parts.append(f" done_criteria: {p.get('done_criteria', '')}")
|
||
parts.append("== 依赖步摘要 (archive) ==")
|
||
for line in d.get("archive", [])[-6:]:
|
||
parts.append(line)
|
||
if artifact_text:
|
||
parts.append(f"== 当前步已有工件（{step_id}） ==")
|
||
parts.append(artifact_text)
|
||
parts.append("== 验收标准 ==")
|
||
if b:
|
||
for a in b.get("acceptance", []):
|
||
parts.append(f"- {a.get('id')}: {a.get('check', '')} "
|
||
f"(machine_checkable={a.get('machine_checkable', False)})")
|
||
parts.append("== 要求 ==")
|
||
parts.append("请实现当前步，并用可执行验证/事实对照/结构检查自验证；"
|
||
"通过则写 progress(done)，失败自修 ≤2 次，仍失败则写 issue。")
|
||
return "\n".join(parts)
|
||
|
||
# ---------- 持久化 ----------
|
||
def save(self, path: Path) -> None:
|
||
path = Path(path)
|
||
path.parent.mkdir(parents=True, exist_ok=True)
|
||
with open(path, "w", encoding="utf-8") as f:
|
||
json.dump(self._data, f, ensure_ascii=False, indent=2)
|
||
|
||
@classmethod
|
||
def load(cls, path: Path) -> "Workspace":
|
||
with open(path, "r", encoding="utf-8") as f:
|
||
data = json.load(f)
|
||
return cls(data)
|
||
|
||
def prefix_signature(self) -> str:
|
||
"""返回稳定前缀的签名（T10 prefix cache）。
|
||
|
||
交流文本的"恒定位于前部"的部分（version + request_id + query + meta + brief）
|
||
应不随 progress/issues/decisions 追加而变化，从而使 llama-server 的
|
||
--cache-reuse 能命中该前缀、降低 prefill 开销。用紧凑 JSON 的哈希度量稳定性。
|
||
"""
|
||
stable = {
|
||
"version": self._data.get("version"),
|
||
"request_id": self._data.get("request_id"),
|
||
"query": self._data.get("query"),
|
||
"brief": self._data.get("brief"),
|
||
}
|
||
import hashlib
|
||
s = json.dumps(stable, ensure_ascii=False, sort_keys=True)
|
||
return hashlib.sha256(s.encode("utf-8")).hexdigest()[:16]
|
||
|
||
def to_dict(self) -> Dict[str, Any]:
|
||
return self.data
|
||
|
||
|
||
def _rerender(ws: "Workspace", d: Dict[str, Any]) -> List[str]:
|
||
"""用裁剪后的数据重建 Architect 渲染（供超限压缩内部用）。"""
|
||
parts: List[str] = []
|
||
m = d["meta"]
|
||
parts.append("== meta ==")
|
||
parts.append(f"status={m['status']} round={m['round']}")
|
||
parts.append("== query ==")
|
||
parts.append(_clip(d["query"], LIMITS["query_truncate"]))
|
||
parts.append("== issues ==")
|
||
for iss in d.get("issues", []):
|
||
parts.append(f"{iss['id']} step={iss.get('step')} ask={_clip(iss.get('ask', ''), 80)}")
|
||
parts.append("== decisions(最近3) ==")
|
||
for dec in d.get("decisions", [])[-3:]:
|
||
parts.append(f"ref={dec.get('ref')} reply={_clip(dec.get('reply', ''), 80)}")
|
||
parts.append("== progress ==")
|
||
for p in d.get("progress", [])[-5:]:
|
||
parts.append(f"{p.get('step')} [{p.get('status')}] {_clip(p.get('summary', ''), 40)}")
|
||
parts.append("== archive ==")
|
||
for line in d.get("archive", [])[-6:]:
|
||
parts.append(line)
|
||
return parts
|