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7 changed files with 15 additions and 58 deletions

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@ -2,7 +2,7 @@
> 配合 `DESIGN.md`。本文件只记 phase 状态、决策偏差、文件量、下一步。每条 1-2 句:做了啥 + 关键判断;细节查 `git log` / `git diff` / `DESIGN §7.9` > 配合 `DESIGN.md`。本文件只记 phase 状态、决策偏差、文件量、下一步。每条 1-2 句:做了啥 + 关键判断;细节查 `git log` / `git diff` / `DESIGN §7.9`
最后更新:2026-06-30(look_at_image 超时透明重试 + 超时 60→120s + bump 0.33.2) 最后更新:2026-06-29(ppt skill 重构为 SVG-first,移植 ppt-master + bump 0.33.0)
--- ---
@ -21,12 +21,6 @@
## 已完成关键能力 ## 已完成关键能力
### 2026-06-30 / look_at_image 偶发超时:tool 内透明重试 + 超时上限提到 120s(bump 0.33.2)
Seed 2.0 Lite 非流式,长 OCR 首字节可能逼近 60s read timeout → 偶发超时,且返 `[Error]` 会触发主模型重发整个 tool call(图 base64 重传、输入 token 再付一次,正中"报错重试烧 token"根因)。修法:`ark_client` 新增 `ArkTimeoutError(ArkError)` 子类(仅超时/网络抖动抛它,HTTP 4xx/5xx 业务错误仍抛普通 `ArkError` 不重试);`look_at_image` 对该子类退避重试(`timeout_retries` 默认 1 次,退避 2^n s),在 tool 内消化掉不抛给主模型;`doubao.yaml` vision `request_timeout_s` 60→120。子类仍是 `ArkError`,seedream 等现有 `except ArkError` 不受影响。
### 2026-06-30 / 修复 web 端 SVG 无法预览(bump 0.33.1)
SVG 在 `<img>` 里必须 Content-Type=`image/svg+xml` 才渲染。前端 `preview.js``_showImage` / mini 图片分支据扩展名强制 blob mime(与服务端响应头无关);后端 `download` 接口对 `.svg` 显式回 `image/svg+xml`(部分部署环境 mimetypes 未注册 svg → 会被 FileResponse 猜成 octet-stream)。双保险。
### 2026-06-29 / ppt skill 清空重构为 SVG-first(移植 ppt-master,bump 0.33.0) ### 2026-06-29 / ppt skill 清空重构为 SVG-first(移植 ppt-master,bump 0.33.0)
- 背景:旧 ppt skill 用 python-pptx + 固定组合版式件(`add_card_grid` 等),版面被 helper 框死 → 单调、AI 味重,是架构天花板,调参救不了。用户要求"清空重做,参考 github ppt-master"。 - 背景:旧 ppt skill 用 python-pptx + 固定组合版式件(`add_card_grid` 等),版面被 helper 框死 → 单调、AI 味重,是架构天花板,调参救不了。用户要求"清空重做,参考 github ppt-master"。

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@ -40,8 +40,7 @@ vision:
price_cny_per_mtoken_output: 3.6 price_cny_per_mtoken_output: 3.6
price_cny_per_mtoken_cache_hit: 0.12 price_cny_per_mtoken_cache_hit: 0.12
max_image_mb: 10 # 单图上限(超出 tool 侧直接报错,不发请求) max_image_mb: 10 # 单图上限(超出 tool 侧直接报错,不发请求)
request_timeout_s: 120 # 读图慢于此判超时(非流式,长 OCR 首字节可能逼近上限) request_timeout_s: 60 # 读图慢于此判超时
timeout_retries: 1 # 超时/网络抖动 tool 内透明重试次数(退避 2^n s);不含业务错误
video: video:
# fast 放第一个 → 默认 variant(成本敏感场景优先);开通了 Pro 的用户从顶栏下拉切。 # fast 放第一个 → 默认 variant(成本敏感场景优先);开通了 Pro 的用户从顶栏下拉切。

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@ -1,3 +1,3 @@
# zcbot 版本号单一事实源:web/app.py 的 FastAPI version、/healthz 返回、前端展示都引这里。 # zcbot 版本号单一事实源:web/app.py 的 FastAPI version、/healthz 返回、前端展示都引这里。
# 改版本只动这一行。 # 改版本只动这一行。
__version__ = "0.33.2" __version__ = "0.33.0"

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@ -23,14 +23,6 @@ class ArkError(RuntimeError):
"""ark API 调用失败的统一异常。""" """ark API 调用失败的统一异常。"""
class ArkTimeoutError(ArkError):
"""可重试的瞬时失败:请求超时 / 网络抖动(非业务错误)。
HTTP 4xx/5xx 业务错误仍抛普通 ArkError(不该重试,重试也是同样的错)
caller 可单独 catch 本子类做退避重试;catch ArkError 仍能兜住(isinstance)
"""
@dataclass @dataclass
class ArkConfig: class ArkConfig:
api_key: str api_key: str
@ -81,18 +73,18 @@ class ArkClient:
try: try:
resp = self._client.post(path, json=body, timeout=timeout_s or self.timeout_s) resp = self._client.post(path, json=body, timeout=timeout_s or self.timeout_s)
except httpx.TimeoutException as e: except httpx.TimeoutException as e:
raise ArkTimeoutError(f"timeout calling POST {path}: {e}") from e raise ArkError(f"timeout calling POST {path}: {e}") from e
except httpx.HTTPError as e: except httpx.HTTPError as e:
raise ArkTimeoutError(f"network error calling POST {path}: {e}") from e raise ArkError(f"network error calling POST {path}: {e}") from e
return self._parse(resp, f"POST {path}") return self._parse(resp, f"POST {path}")
def get_json(self, path: str, *, timeout_s: Optional[float] = None) -> dict: def get_json(self, path: str, *, timeout_s: Optional[float] = None) -> dict:
try: try:
resp = self._client.get(path, timeout=timeout_s or self.timeout_s) resp = self._client.get(path, timeout=timeout_s or self.timeout_s)
except httpx.TimeoutException as e: except httpx.TimeoutException as e:
raise ArkTimeoutError(f"timeout calling GET {path}: {e}") from e raise ArkError(f"timeout calling GET {path}: {e}") from e
except httpx.HTTPError as e: except httpx.HTTPError as e:
raise ArkTimeoutError(f"network error calling GET {path}: {e}") from e raise ArkError(f"network error calling GET {path}: {e}") from e
return self._parse(resp, f"GET {path}") return self._parse(resp, f"GET {path}")
@staticmethod @staticmethod

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@ -13,9 +13,7 @@ from pathlib import Path
from typing import Any, Optional from typing import Any, Optional
from uuid import UUID from uuid import UUID
import time from core.ark_client import ArkClient, ArkConfig, ArkError
from core.ark_client import ArkClient, ArkConfig, ArkError, ArkTimeoutError
from core.storage.usage import record_vision_usage from core.storage.usage import record_vision_usage
from .base import Tool, compact_tool_output from .base import Tool, compact_tool_output
@ -115,24 +113,9 @@ class LookAtImageTool(Tool):
], ],
} }
# 透明重试:Seed 2.0 Lite 非流式,长 OCR 偶发超时/网络抖动。tool 内消化掉,
# 不把 [Error] 抛给主模型 —— 否则主模型会重发整个 tool call(图 base64 重传、
# 输入 token 再付一次)。仅 ArkTimeoutError(超时/网络)重试;HTTP 业务错误不重试。
max_attempts = int(cfg.get("timeout_retries", 1)) + 1
resp = None
for attempt in range(max_attempts):
try: try:
with ArkClient(self.ark_cfg, timeout_s=timeout_s) as client: with ArkClient(self.ark_cfg, timeout_s=timeout_s) as client:
resp = client.post_json(endpoint, body, timeout_s=timeout_s) resp = client.post_json(endpoint, body, timeout_s=timeout_s)
break
except ArkTimeoutError as e:
if attempt == max_attempts - 1:
return f"[Error] look_at_image API: {e}(已重试 {attempt} 次仍超时)"
print(
f"[look_at_image] timeout, retrying ({attempt + 1}/{max_attempts - 1}): {e}",
flush=True,
)
time.sleep(2 ** attempt)
except ArkError as e: except ArkError as e:
return f"[Error] look_at_image API: {e}" return f"[Error] look_at_image API: {e}"

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@ -2755,15 +2755,9 @@ def create_app() -> FastAPI:
# workspace 文件可变, 禁浏览器启发式缓存 (RFC 7234 默认能缓数小时) # workspace 文件可变, 禁浏览器启发式缓存 (RFC 7234 默认能缓数小时)
# 否则文件改了 SPA 预览还是旧内容 # 否则文件改了 SPA 预览还是旧内容
# (Starlette FileResponse 不实现 304, 总是 200 全量; workspace 文件小, 可接受) # (Starlette FileResponse 不实现 304, 总是 200 全量; workspace 文件小, 可接受)
# .svg 显式给 image/svg+xml: 部分部署环境 mimetypes 未注册 svg, FileResponse
# 会猜成 octet-stream, 前端 <img> 就渲染不出 SVG 预览
media_type = None
if target.suffix.lower() == ".svg":
media_type = "image/svg+xml"
return FileResponse( return FileResponse(
path=str(target), path=str(target),
filename=target.name, filename=target.name,
media_type=media_type,
headers={"Cache-Control": "no-cache"}, headers={"Cache-Control": "no-cache"},
) )

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@ -228,11 +228,7 @@ export async function openFilePreview(rel) {
} }
function _showImage(blob) { function _showImage(blob) {
// SVG 在 <img> 里必须 Content-Type=image/svg+xml 才渲染;下载接口靠服务端 const url = _trackBlobUrl(blob);
// mimetypes 猜类型,部分部署环境(Linux)未注册 .svg → octet-stream → 不显示。
// 这里据扩展名强制纠正,与服务端响应头无关。
const mime = /\.svg$/i.test(_fpCurrentRel || "") ? "image/svg+xml" : "";
const url = _trackBlobUrl(blob, mime);
const body = $("fp-body"); const body = $("fp-body");
body.className = "body center"; body.className = "body center";
body.innerHTML = ""; body.innerHTML = "";
@ -474,8 +470,7 @@ async function openMiniFilePreview(rel) {
body.className = "body center"; body.className = "body center";
const img = document.createElement("img"); const img = document.createElement("img");
img.className = "preview-img"; img.className = "preview-img";
const _mime = /\.svg$/i.test(_mpCurrentRel || "") ? "image/svg+xml" : ""; img.src = _trackMiniBlobUrl(blob);
img.src = _trackMiniBlobUrl(blob, _mime);
body.appendChild(img); body.appendChild(img);
_makeImageZoomable(body, img); _makeImageZoomable(body, img);
} else if (cat === "video") { } else if (cat === "video") {