Merge branch 'feature/multimodal-image-input' into developing

This commit is contained in:
朱潮 2026-06-18 12:54:31 +08:00
commit aabb0ad072
6 changed files with 183 additions and 12 deletions

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@ -1,6 +1,7 @@
# Skill 功能
> 负责范围:技能包管理服务 - 核心实现
> 最后更新2026-06-07
> 最后更新2026-06-02
> 最后更新2026-05-26
> 最后更新2026-05-23
@ -33,6 +34,9 @@ MCP UI 类 skill 已按 MCP Apps 模式改造:工具返回数据,静态 HTML
## 最近重要事项
- [2026-06-07](changelog/2026-Q2.md): 新增 `table-query` skill——`skills/developing/table-query/`SQLite 表查询三步式工作流search-tables → get-schemas → run-sqlrun-sql 接收 JSON plan via stdin heredoc 避免 shell 转义;`category: Data & Retrieval``bb74aee`
- [2026-06-05](changelog/2026-Q2.md): 新增 `mineru` skill——`skills/developing/mineru/`PDF/Office/图片转 Markdown自动路由免 token 的 Agent API 与需 token 的 Standard API附 15 个目标 sinknotion/feishu/slack/...`category: Document Processing``b618cb1`
- [2026-06-05](changelog/2026-Q2.md): `rag-retrieve` 系列空 query 由 JSON-RPC error 改为 success-with-error-text——5 个 server 变体autoload/onprem、autoload/support、developing/rag-retrieve-no-citation、onprem/rag-retrieve-only、support/rag-retrieve-only统一改用 `create_success_response` 携带 `"Error: missing required parameter 'query'..."` 文案,让 agent 在 tool output 里看到错误并自纠错重试(`ecf332a`
- [2026-06-02](changelog/2026-Q2.md): 修复 deepagents 落盘 backend grep 扫描全盘问题——`create_custom_cli_agent` 中 `large_results_backend` / `conversation_history_backend``FilesystemBackend``virtual_mode=False` 改为 `True`,避免 `CompositeBackend` 剥前缀后把 `"/"` 转发给 grep 时扫到真实根目录,单次 grep 从 45152s 回到毫秒级(`6bccd89`
- [2026-05-29](changelog/2026-Q2.md): 新增 `ToolMetricsMiddleware`——通过 `wrap_tool_call` / `awrap_tool_call` 对每次 tool 调用计时并 emit `catalog_agent.tool_call` 结构化指标(成功/失败/取消三态、含 `tool_name`/`trace_id`/`bot_id`/`duration_ms`/`error_type`);插在 `init_agent` 中间件链的 `EmptyResponseRetryMiddleware` 之后、`ToolUseCleanupMiddleware` 之前(`9f0ae25`
- [2026-05-26](changelog/2026-Q2.md): skill 引入 `category` 字段——`routes/skill_manager.py` 在 `SkillItem` / `SkillValidationResult` 增加 `category`,从 `plugin.json``SKILL.md` frontmatter 解析official skill 默认 `"other"`、user skill 默认 `"custom"`;并通过 batch 给 common/developing/onprem/support 路径下大量 skill 元数据补 `category``data-dashboard` / `mcp-ui` 归类 `Interactive UI``203dcf4`, `3ada55a`, `9658588`
@ -91,6 +95,7 @@ MCP UI 类 skill 已按 MCP Apps 模式改造:工具返回数据,静态 HTML
- ⚠️ **Daytona shell_env 是文件注入而非 process env**`init_agent` 通过 `cat > $REMOTE_BASH_ENV_PATH` 写入 `export VAR=...` 行,沙箱内必须由 shellbash`BASH_ENV` 加载才能生效;非 daytona 模式或不走 bash 启动的脚本拿不到这些变量。扩展注入项需直接改 `init_agent` 里的 `_shell_env` 字典。
- ⚠️ **`CompositeBackend` 路由下的落盘 backend 必须 `virtual_mode=True`**`create_custom_cli_agent` 中 `large_results_backend` / `conversation_history_backend` 都用独立 `tempfile.mkdtemp()` 做根目录,但 `CompositeBackend` 在路由时会剥掉前缀、可能把 `"/"` 转发给 grep`virtual_mode=False` 会把 `"/"` 解析为真实根目录并扫到 `/usr`、`/var`、其他会话的 tmp 目录(单次 45152s。`virtual_mode=True` 才会把所有路径锚定到 `root_dir` 并过滤越界结果。后续新增"只服务本次会话"的落盘 backend 一律走 `virtual_mode=True`,真实 workspace backend 仍保持 `False`
- ⚠️ **`ToolMetricsMiddleware` 必须在重试中间件之后、其他工具中间件之前**`init_agent` 中顺序约定为 `EmptyResponseRetryMiddleware → ToolMetricsMiddleware → ToolUseCleanupMiddleware → ...`,这样统计到的 `duration_ms` 才包含全部后续 tool 处理开销并自然覆盖重试边界。指标 emit 自身的异常被吞掉只打 logger.exception所以指标缺失不会触发 agent 报错,必须在指标后端做独立告警。
- ⚠️ **`rag-retrieve` 系列空 query 返回 success 而非 JSON-RPC error**5 个 server 变体autoload/onprem、autoload/support、developing/rag-retrieve-no-citation、onprem/rag-retrieve-only、support/rag-retrieve-only从 2026-06-05 起,缺 `query` 参数时返回 `create_success_response` 携带 `content[].text` 前缀 `"Error: missing required parameter 'query'..."`,故意让 LLM agent 在 tool output 里看到错误并自纠错重试。下游/中间层不能再用 JSON-RPC `error.code == -32602` 判断缺参,需要从 text 内容解析;新 MCP server 设计错误路径时也应区分"需要 agent 自纠错的语义错误(走 success-with-error-text"与"不可恢复错误(走 error response"。
## Skill 目录结构

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@ -4,6 +4,92 @@
---
## 2026-06-07: 新增 `table-query` skillSQLite 表查询)
**类型**:新功能
**背景**bot 上传的 Excel/CSV 表格此前只能走 `rag_retrieve` 语义检索回答问题,对"价格/数量/库存/排名/聚合"这类**结构化**问题精度差、答非所问。需要一条"快速、不走 LLM 的 SQL 查询路径"。
**改动**
- 新增 `skills/developing/table-query/`
- `SKILL.md`:定义 search-tables → get-schemas → run-sql 三步工作流;明确"backend 不做 LLM 推理,由 agent 自己写 SQLite SQL"`category: Data & Retrieval`。
- `scripts/table_query.py`CLI 入口 + run-sql plan 执行器plan 通过 stdin heredoc 传递,无需 shell 转义)。
- `skill.yaml`:元数据。
- `verify_table_query.sh`:自检脚本。
- 工作流要求search-tables **每问最多 1 次**run-sql 出错重试 ≤ 2 次,且不回退到 search-tablessearch-tables 无果时降级到 `rag_retrieve`
**根因**N/A新功能
**影响**
- agent 可直接对上传表数据做 SUM/AVG/COUNT 等结构化查询,并通过 `__src` 列 + `file_ref_table` 输出行级 citation。
- 同时引入 plan-on-stdin 的调用约定(`<<'PLAN' ... PLAN`),后续类似 SQL/JSON 入参的 skill 可参考此模式以避免 argv 转义问题。
**相关文件**
- `skills/developing/table-query/SKILL.md`
- `skills/developing/table-query/scripts/table_query.py`
- `skills/developing/table-query/skill.yaml`
- `skills/developing/table-query/verify_table_query.sh`
**Commit/PR**`bb74aee`
---
## 2026-06-05: 新增 `mineru` skillPDF/Office/图片 → Markdown 解析)
**类型**:新功能
**背景**:缺少统一的"文档转 Markdown"管道PDF/Word/PPT/Excel/图片需要走不同工具,且 OCR / 公式 / 表格识别能力不一致。
**改动**
- 新增 `skills/developing/mineru/`(约 4700 行30 文件):
- `SKILL.md` + `references/`api_reference / comparison / integrations
- `scripts/mineru.py`:核心 CLI自动路由 Agent API无 token与 Standard API`MINERU_TOKEN`,支持大文件/批量/DOCX/HTML/LaTeX 导出)。
- `scripts/mineru_mcp.py`MCP server 包装。
- `scripts/sinks/`airtable / coda / confluence / dingtalk / feishu / linear / local / notion / onenote / roam / siyuan / slack / ticktick / wecom / wps / yuque 等多目标写出。
- `scripts/chunking.py` / `splitter.py` / `local_engine.py`:分块、切分、本地引擎。
- `category: Document Processing`,标准依赖(仅标准库)。
**根因**N/A新功能
**影响**
- 提供"零 token 起步、有 token 升级"的渐进式解析路径,降低部署门槛。
- 多 sink 设计可作为后续"采集 → 结构化 → 多目的地分发"类 skill 的参考骨架。
**相关文件**
- `skills/developing/mineru/SKILL.md`
- `skills/developing/mineru/scripts/mineru.py`
- `skills/developing/mineru/scripts/mineru_mcp.py`
- `skills/developing/mineru/scripts/sinks/*.py`15 个目标)
**Commit/PR**`b618cb1`
---
## 2026-06-05: `rag-retrieve` 系列空 query 改返回 success 文案(替代 JSON-RPC error
**类型**:行为变更(兼容性)
**背景**`rag_retrieve` / `table_rag_retrieve` 工具在缺少 `query` 参数时返回 JSON-RPC `-32602` error。MCP/agent 链路上 error 容易被上层吞掉agent 看不到"为什么失败",无法自我修复。
**改动**:把 5 个 rag-retrieve server 变体的"missing query"分支由 `create_error_response(-32602, ...)` 改为 `create_success_response(...)` 携带 `content[].text = "Error: missing required parameter 'query'. Please call this tool again with a non-empty 'query' argument describing what you want to retrieve."`
- `skills/autoload/onprem/rag-retrieve/rag_retrieve_server.py`
- `skills/autoload/support/rag-retrieve/rag_retrieve_server.py`
- `skills/developing/rag-retrieve-no-citation/rag_retrieve_server.py`
- `skills/onprem/rag-retrieve-only/rag_retrieve_server.py`
- `skills/support/rag-retrieve-only/rag_retrieve_server.py`
**根因**MCP 协议层的 error 在多数 agent 框架下不会作为"tool 返回结果"传给 LLM从而无法触发重试改成 success-with-error-text 让 agent 把错误文本当 tool output 读到,并在下一轮自然带上 query 重试。
**影响**
- 客户端**不能再依赖 JSON-RPC error code = -32602 判定缺参**,必须从 `content[].text` 前缀 `"Error:"` 解析;任何在 success 路径上做强校验/落盘的中间层需要兼容这种"假成功"形态。
- 新 MCP server 出错路径如果是"需要 agent 自纠错"的语义错误,应走同样的 success-with-error-text 模式;底层崩溃 / 不可恢复错误仍走 error response。
**相关文件**:见上。
**Commit/PR**`ecf332a`
---
## 2026-06-02: 修复 deepagents 落盘 backend grep 扫描全盘问题virtual_mode=True
**类型**Bug 修复

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@ -90,6 +90,8 @@ async def prepare_checkpoint_message(config, checkpointer):
last_user_msg = next((m for m in reversed(config.messages) if m.get('role') == 'user'), None)
if last_user_msg:
config.messages = [last_user_msg]
logger.info(f"Has history, sending last user message: {last_user_msg.get('content', '')[:50]}...")
from utils.fastapi_utils import extract_text_from_content
preview = extract_text_from_content(last_user_msg.get('content', ''))
logger.info(f"Has history, sending last user message: {preview[:50]}...")
else:
logger.info(f"No history, sending all {len(config.messages)} messages")

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@ -18,7 +18,8 @@ from utils.fastapi_utils import (
process_messages,
create_project_directory, extract_api_key_from_auth, generate_v2_auth_token, fetch_bot_config,
call_preamble_llm,
create_stream_chunk
create_stream_chunk,
extract_text_from_content
)
from langchain_core.messages import AIMessageChunk, ToolMessage, AIMessage, HumanMessage
from utils.settings import MAX_OUTPUT_TOKENS
@ -355,9 +356,9 @@ async def create_agent_and_generate_response(
"finish_reason": "stop"
}],
usage={
"prompt_tokens": sum(len(msg.get("content", "")) for msg in config.messages),
"prompt_tokens": sum(len(extract_text_from_content(msg.get("content", ""))) for msg in config.messages),
"completion_tokens": len(response_text),
"total_tokens": sum(len(msg.get("content", "")) for msg in config.messages) + len(response_text)
"total_tokens": sum(len(extract_text_from_content(msg.get("content", ""))) for msg in config.messages) + len(response_text)
}
)
@ -391,6 +392,9 @@ async def _save_user_messages(config: AgentConfig) -> None:
if isinstance(msg, dict):
role = msg.get("role", "")
content = msg.get("content", "")
# Flatten multimodal list content to plain text before persisting,
# so base64 image data is not stored in chat history.
content = extract_text_from_content(content)
if role == "user" and content:
# ============ Execute PreSave hooks ============
processed_content = await execute_hooks('PreSave', config, content=content, role=role)

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@ -3,12 +3,16 @@
API data models and response schemas.
"""
from typing import Dict, List, Optional, Any, AsyncGenerator
from typing import Dict, List, Optional, Any, AsyncGenerator, Union
from pydantic import BaseModel, Field, field_validator, ConfigDict
class Message(BaseModel):
role: str
content: str
# content can be a plain string, or a list of content blocks for multimodal
# input (e.g. text + image). Both OpenAI-style ({"type": "image_url", ...})
# and LangChain standard blocks ({"type": "image", ...}) are accepted; they
# are normalized later in process_messages.
content: Union[str, List[Dict[str, Any]]]
class DatasetRequest(BaseModel):

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@ -232,6 +232,55 @@ def create_stream_chunk(chunk_id: str, model_name: str, content: str = None, fin
# return full_text
def normalize_content_blocks(content: Union[str, List[Dict[str, Any]]]) -> Union[str, List[Dict[str, Any]]]:
"""Normalize multimodal content blocks into LangChain standard content blocks.
Accepts both OpenAI-style blocks ({"type": "image_url", "image_url": {"url": ...}})
and LangChain standard blocks ({"type": "image", "base64"/"url": ...}), and emits
LangChain standard blocks so the provider's block_translator can auto-convert for
either OpenAI or Anthropic. Plain string content is returned unchanged.
"""
if not isinstance(content, list):
return content
normalized: List[Dict[str, Any]] = []
for block in content:
if not isinstance(block, dict):
# Treat a bare string inside the list as a text block.
if isinstance(block, str):
normalized.append({"type": "text", "text": block})
continue
block_type = block.get("type")
if block_type == "text":
normalized.append({"type": "text", "text": block.get("text", "")})
elif block_type == "image_url":
# OpenAI-style image block: {"type": "image_url", "image_url": {"url": ...}}
image_url = block.get("image_url")
url = image_url.get("url") if isinstance(image_url, dict) else image_url
if not url:
continue
if isinstance(url, str) and url.startswith("data:"):
# data:<mime_type>;base64,<data>
try:
header, data = url.split(",", 1)
mime_type = header.split(";", 1)[0].removeprefix("data:") or "image/jpeg"
normalized.append({"type": "image", "base64": data, "mime_type": mime_type})
except ValueError:
logger.warning("Skipping malformed data URL in image_url block")
else:
normalized.append({"type": "image", "url": url})
elif block_type == "image":
# Already a LangChain standard image block; pass through.
normalized.append(block)
else:
# Unknown block type; pass through untouched.
normalized.append(block)
return normalized
def process_messages(messages: List[Dict], language: Optional[str] = None) -> List[Dict[str, str]]:
"""Process message list, including [TOOL_CALL]|[TOOL_RESPONSE]|[ANSWER] splitting and language directive addition.
@ -255,7 +304,7 @@ def process_messages(messages: List[Dict], language: Optional[str] = None) -> Li
# Process each message
for i, msg in enumerate(messages):
if msg.role == ASSISTANT:
if msg.role == ASSISTANT and isinstance(msg.content, str):
# Determine the position of this ASSISTANT message among all ASSISTANT messages (0-indexed)
assistant_position = assistant_indices.index(i)
@ -315,14 +364,16 @@ def process_messages(messages: List[Dict], language: Optional[str] = None) -> Li
# If processed content is empty, use original content
processed_messages.append({"role": msg.role, "content": msg.content})
else:
processed_messages.append({"role": msg.role, "content": msg.content})
# User/other messages (or assistant messages carrying multimodal list
# content) pass through; normalize multimodal blocks to LangChain standard.
processed_messages.append({"role": msg.role, "content": normalize_content_blocks(msg.content)})
# Inverse operation: reassemble messages containing [THINK|TOOL_RESPONSE] back into
# msg['role'] == 'function' and msg.get('function_call') format.
# This is the inverse of get_content_from_messages.
final_messages = []
for msg in processed_messages:
if msg["role"] == ASSISTANT:
if msg["role"] == ASSISTANT and isinstance(msg["content"], str):
# Split message content
parts = re.split(r'\[(THINK|PREAMBLE|TOOL_CALL|TOOL_RESPONSE|ANSWER)\]', msg["content"])
@ -401,13 +452,32 @@ def process_messages(messages: List[Dict], language: Optional[str] = None) -> Li
return final_messages
def get_user_last_message_content(messages: list) -> Optional[dict]:
"""Get the last message content from a message list."""
def extract_text_from_content(content: Union[str, List[Dict[str, Any]]]) -> str:
"""Extract plain text from message content that may be a multimodal block list."""
if isinstance(content, str):
return content
if isinstance(content, list):
texts = []
for block in content:
if isinstance(block, dict) and block.get("type") == "text":
texts.append(block.get("text", ""))
elif isinstance(block, str):
texts.append(block)
return "\n".join(texts)
return ""
def get_user_last_message_content(messages: list) -> Optional[str]:
"""Get the last user message's plain text content from a message list.
Multimodal list content is flattened to text so downstream consumers
(e.g. terms embedding) always receive a string.
"""
if not messages or len(messages) == 0:
return ""
last_message = messages[-1]
if last_message and last_message.get('role') == 'user':
return last_message["content"]
return extract_text_from_content(last_message.get("content", ""))
return ""
def format_messages_to_chat_history(messages: List[Dict[str, str]]) -> str: