diff --git a/Cargo.lock b/Cargo.lock
index 5c566ad..a58c3a8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -138,6 +138,18 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "async-compression"
+version = "0.4.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e79b3f8a79cccc2898f31920fc69f304859b3bd567490f75ebf51ae1c792a9ac"
+dependencies = [
+ "compression-codecs",
+ "compression-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.89"
@@ -393,6 +405,23 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
 
+[[package]]
+name = "compression-codecs"
+version = "0.4.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce2548391e9c1929c21bf6aa2680af86fe4c1b33e6cea9ac1cfeec0bd11218cf"
+dependencies = [
+ "compression-core",
+ "flate2",
+ "memchr",
+]
+
+[[package]]
+name = "compression-core"
+version = "0.4.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc14f565cf027a105f7a44ccf9e5b424348421a1d8952a8fc9d499d313107789"
+
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -3190,12 +3219,17 @@ version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4cfcf7e2740e6fc6d4d688b4ef00650406bb94adf4731e43c096c3a19fe40840"
 dependencies = [
+ "async-compression",
  "bitflags",
  "bytes",
+ "futures-core",
  "futures-util",
  "http",
  "http-body",
+ "http-body-util",
  "pin-project-lite",
+ "tokio",
+ "tokio-util",
  "tower",
  "tower-layer",
  "tower-service",
diff --git a/Cargo.toml b/Cargo.toml
index d99d1fa..b3bf394 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2024"
 # 异步运行时
 tokio = { version = "1.0", features = ["full"] }
 # HTTP 客户端
-reqwest = { version = "0.12", features = ["json", "stream"] }
+reqwest = { version = "0.12", features = ["json", "stream", "gzip"] }
 # 序列化
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
diff --git a/resources/skills/email/SKILL.md b/resources/skills/email/SKILL.md
deleted file mode 100644
index 5b366b3..0000000
--- a/resources/skills/email/SKILL.md
+++ /dev/null
@@ -1,31 +0,0 @@
-# email
-
-收发邮件（IMAP）。
-
-## Risk Level
-Low
-
-## Parameters
-```json
-{
-  "type": "object",
-  "properties": {
-    "action": {
-      "type": "string",
-      "description": "操作类型",
-      "enum": ["list_unread", "read", "mark_read"]
-    },
-    "limit": {
-      "type": "integer",
-      "description": "列出最近几封邮件，默认5",
-      "default": 5
-    }
-  },
-  "required": ["action"]
-}
-```
-
-## Execute
-```bash
-scripts/email.sh
-```
diff --git a/resources/skills/email/scripts/email.sh b/resources/skills/email/scripts/email.sh
deleted file mode 100755
index d57bca9..0000000
--- a/resources/skills/email/scripts/email.sh
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/usr/bin/env node
-// 邮件工具（IMAP 收发）
-// 通过 stdin 接收 JSON 参数
-let input = '';
-process.stdin.on('data', (chunk) => input += chunk);
-process.stdin.on('end', async () => {
-  try {
-    const params = JSON.parse(input.trim() || '{}');
-    const action = params.action || 'list_unread';
-    const limit = params.limit || 5;
-
-    const host = process.env.EMAIL_IMAP_HOST;
-    const port = parseInt(process.env.EMAIL_IMAP_PORT || '993');
-    const user = process.env.EMAIL_IMAP_USER;
-    const password = process.env.EMAIL_IMAP_PASSWORD;
-
-    if (!host || !user || !password) {
-      console.log('请设置 EMAIL_IMAP_HOST, EMAIL_IMAP_USER, EMAIL_IMAP_PASSWORD');
-      process.exit(1);
-    }
-
-    // 使用 openssl s_client 连接 IMAP over SSL
-    // 简单实现：列出收件箱最近 N 封邮件摘要
-    const net = require('net');
-    const tls = require('tls');
-
-    const socket = tls.connect(port, host, { rejectUnauthorized: false }, () => {
-      let buf = '';
-      let step = 0;
-      let tag = 0;
-
-      function cmd(line) {
-        tag++;
-        socket.write(`A${tag} ${line}\r\n`);
-        return `A${tag}`;
-      }
-
-      socket.on('data', (data) => {
-        buf += data.toString('utf-8');
-        // 简化处理：等服务器就绪后依次发命令
-        if (step === 0 && buf.includes('OK')) {
-          step = 1;
-          cmd(`LOGIN "${user}" "${password}"`);
-        } else if (step === 1 && buf.includes(`A1 OK`)) {
-          step = 2;
-          cmd('SELECT INBOX');
-        } else if (step === 2 && buf.includes(`A2 OK`)) {
-          step = 3;
-          cmd(`FETCH 1:${limit} (FLAGS INTERNALDATE BODY.PEEK[HEADER.FIELDS (SUBJECT FROM DATE)])`);
-        } else if (step === 3 && buf.includes(`A3 OK`)) {
-          step = 4;
-          // 解析结果
-          const lines = buf.split('\n').filter(l => l.trim());
-          const results = [];
-          let current = {};
-          for (const line of lines) {
-            if (line.match(/^\* \d+ FETCH/)) {
-              if (current.subject) results.push(current);
-              current = {};
-            }
-            const subjMatch = line.match(/^SUBJECT: (.+)$/i);
-            const fromMatch = line.match(/^FROM: (.+)$/i);
-            const dateMatch = line.match(/^DATE: (.+)$/i);
-            if (subjMatch) current.subject = subjMatch[1].trim();
-            if (fromMatch) current.from = fromMatch[1].trim();
-            if (dateMatch) current.date = dateMatch[1].trim();
-          }
-          if (current.subject) results.push(current);
-
-          console.log(`最近 ${results.length} 封邮件:`);
-          results.forEach((r, i) => {
-            console.log(`\n${i+1}. 主题: ${r.subject || '(无主题)'}`);
-            console.log(`   发件人: ${r.from || '未知'}`);
-            console.log(`   时间: ${r.date || '未知'}`);
-          });
-          cmd('LOGOUT');
-        }
-      });
-    });
-
-    socket.setTimeout(15000, () => {
-      console.log('连接 IMAP 超时');
-      process.exit(1);
-    });
-
-  } catch (e) {
-    console.log(`邮件查询失败: ${e.message}`);
-    process.exit(1);
-  }
-});
diff --git a/resources/skills/execute_shell/SKILL.md b/resources/skills/execute_shell/SKILL.md
deleted file mode 100644
index 8da32e0..0000000
--- a/resources/skills/execute_shell/SKILL.md
+++ /dev/null
@@ -1,30 +0,0 @@
-# execute_shell
-
-在服务器上执行 shell 命令。
-
-## Risk Level
-High
-
-## Parameters
-```json
-{
-  "type": "object",
-  "properties": {
-    "command": {
-      "type": "string",
-      "description": "要执行的 shell 命令"
-    },
-    "timeout": {
-      "type": "integer",
-      "description": "超时秒数，默认30",
-      "default": 30
-    }
-  },
-  "required": ["command"]
-}
-```
-
-## Execute
-```bash
-scripts/shell.sh
-```
diff --git a/resources/skills/execute_shell/scripts/shell.sh b/resources/skills/execute_shell/scripts/shell.sh
deleted file mode 100755
index 0214770..0000000
--- a/resources/skills/execute_shell/scripts/shell.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/bin/bash
-# 执行 shell 命令
-# 高风险：需要确认码审批
-set -e
-
-read -r input
-CMD=$(echo "$input" | python3 -c "
-import sys, json
-d = json.load(sys.stdin)
-print(d.get('command', ''))
-" 2>/dev/null)
-
-TIMEOUT=$(echo "$input" | python3 -c "
-import sys, json
-d = json.load(sys.stdin)
-print(d.get('timeout', 30))
-" 2>/dev/null)
-
-if [ -z "$CMD" ]; then
-  echo "请提供 command 参数"
-  exit 1
-fi
-
-# 安全限制：禁止危险命令
-LOWER_CMD=$(echo "$CMD" | tr '[:upper:]' '[:lower:]')
-for DANGEROUS in "rm -rf /" "mkfs" "dd if=" ":(){ :|:& };:" "> /dev/" "wget http" "curl http"; do
-  if echo "$LOWER_CMD" | grep -q "$DANGEROUS"; then
-    echo "禁止执行危险命令: $DANGEROUS"
-    exit 1
-  fi
-done
-
-# 输出前 N 行防止刷屏
-OUTPUT=$(timeout "$TIMEOUT" bash -c "$CMD" 2>&1 || echo "命令执行失败（退出码: $?）")
-echo "$OUTPUT" | head -50
-[ "$(echo "$OUTPUT" | wc -l)" -gt 50 ] && echo "...（输出已截断，共 $(echo "$OUTPUT" | wc -l) 行）"
diff --git a/resources/skills/get_current_datetime/SKILL.md b/resources/skills/get_current_datetime/SKILL.md
deleted file mode 100644
index acfdc7e..0000000
--- a/resources/skills/get_current_datetime/SKILL.md
+++ /dev/null
@@ -1,8 +0,0 @@
-# get_current_datetime
-获取当前日期时间（UTC+8）。内置 Rust 实现，无脚本依赖。
-## Risk Level
-Low
-## Execute
-```bash
-# Builtin: Rust
-```
diff --git a/resources/skills/list_scheduled_tasks/SKILL.md b/resources/skills/list_scheduled_tasks/SKILL.md
deleted file mode 100644
index 0c1566b..0000000
--- a/resources/skills/list_scheduled_tasks/SKILL.md
+++ /dev/null
@@ -1,19 +0,0 @@
-# list_scheduled_tasks
-
-列出所有已配置的定时任务。
-
-## Risk Level
-Low
-
-## Parameters
-```json
-{
-  "type": "object",
-  "properties": {}
-}
-```
-
-## Execute
-```bash
-scripts/list.sh
-```
diff --git a/resources/skills/list_scheduled_tasks/scripts/list.sh b/resources/skills/list_scheduled_tasks/scripts/list.sh
deleted file mode 100755
index 6075f42..0000000
--- a/resources/skills/list_scheduled_tasks/scripts/list.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/bash
-# 列出定时任务 → JSON 输出
-DB_URL="${DATABASE_URL}"
-[ -z "$DB_URL" ] && echo '{"tasks":[],"error":"数据库未配置"}' && exit 0
-
-psql "$DB_URL" -t -A -F '|' -c "
-  SELECT jsonb_build_object(
-    'name', name,
-    'description', description,
-    'enabled', enabled,
-    'command', command,
-    'interval_seconds', interval_seconds,
-    'next_run_at', next_run_at
-  )
-  FROM scheduled_tasks ORDER BY name
-" 2>/dev/null | python3 -c "
-import sys, json
-tasks = []
-for line in sys.stdin:
-    line = line.strip()
-    if line:
-        try: tasks.append(json.loads(line))
-        except: pass
-print(json.dumps({'tasks': tasks}, ensure_ascii=False))
-"
-[ -z "$(psql "$DB_URL" -t -A -c "SELECT count(*) FROM scheduled_tasks" 2>/dev/null)" ] && echo '{"tasks":[]}'
diff --git a/resources/skills/manage_memos/SKILL.md b/resources/skills/manage_memos/SKILL.md
deleted file mode 100644
index d7ae6ce..0000000
--- a/resources/skills/manage_memos/SKILL.md
+++ /dev/null
@@ -1,8 +0,0 @@
-# manage_memos
-管理备忘录（添加/列出/删除）。内置 Rust 实现，无脚本依赖。
-## Risk Level
-High
-## Execute
-```bash
-# Builtin: Rust
-```
diff --git a/resources/skills/manage_scheduled_task/SKILL.md b/resources/skills/manage_scheduled_task/SKILL.md
deleted file mode 100644
index 0e4efb9..0000000
--- a/resources/skills/manage_scheduled_task/SKILL.md
+++ /dev/null
@@ -1,42 +0,0 @@
-# manage_scheduled_task
-
-创建、修改、删除或启用/禁用定时任务。
-
-## Risk Level
-High
-
-## Parameters
-```json
-{
-  "type": "object",
-  "properties": {
-    "action": {
-      "type": "string",
-      "description": "操作: add | delete | enable | disable",
-      "enum": ["add", "delete", "enable", "disable"]
-    },
-    "name": {
-      "type": "string",
-      "description": "任务名称"
-    },
-    "command": {
-      "type": "string",
-      "description": "要执行的命令（add 时需要）"
-    },
-    "interval_seconds": {
-      "type": "integer",
-      "description": "执行间隔秒数（add 时需要）"
-    },
-    "description": {
-      "type": "string",
-      "description": "任务描述"
-    }
-  },
-  "required": ["action", "name"]
-}
-```
-
-## Execute
-```bash
-scripts/manage.sh
-```
diff --git a/resources/skills/manage_scheduled_task/scripts/manage.sh b/resources/skills/manage_scheduled_task/scripts/manage.sh
deleted file mode 100755
index 12f1aba..0000000
--- a/resources/skills/manage_scheduled_task/scripts/manage.sh
+++ /dev/null
@@ -1,47 +0,0 @@
-#!/bin/bash
-# 管理定时任务 → JSON 输出（参数化查询）
-read -r input
-ACTION=$(echo "$input" | python3 -c "import sys,json; print(json.load(sys.stdin).get('action',''))" 2>/dev/null)
-NAME=$(echo "$input" | python3 -c "import sys,json; print(json.load(sys.stdin).get('name',''))" 2>/dev/null)
-CMD=$(echo "$input" | python3 -c "import sys,json; print(json.load(sys.stdin).get('command',''))" 2>/dev/null)
-INTERVAL=$(echo "$input" | python3 -c "import sys,json; print(json.load(sys.stdin).get('interval_seconds',3600))" 2>/dev/null)
-DESC=$(echo "$input" | python3 -c "import sys,json; print(json.load(sys.stdin).get('description',''))" 2>/dev/null)
-
-DB_URL="${DATABASE_URL}"
-[ -z "$DB_URL" ] && echo '{"error":"数据库未配置"}' && exit 0
-[ -z "$NAME" ] && echo '{"error":"请提供 name 参数"}' && exit 0
-
-case "$ACTION" in
-add)
-  [ -z "$CMD" ] && echo '{"error":"add 需要 command 参数"}' && exit 0
-  psql "$DB_URL" -v name="$NAME" -v desc="$DESC" -v cmd="$CMD" -v interval="$INTERVAL" << 'SQL'
-    INSERT INTO scheduled_tasks (id, name, description, command, interval_seconds, enabled, user_id, next_run_at)
-    VALUES (gen_random_uuid(), :'name', :'desc', :'cmd', :interval, true, '', NOW() + interval ':interval seconds')
-    ON CONFLICT (name) DO UPDATE SET command=EXCLUDED.command, interval_seconds=EXCLUDED.interval_seconds, enabled=true, description=EXCLUDED.description
-SQL
-  if [ $? -eq 0 ]; then
-    echo '{"ok":true,"action":"add","name":"'"$NAME"'"}'
-  else
-    echo '{"error":"添加失败"}'
-  fi
-  ;;
-delete)
-  psql "$DB_URL" -v name="$NAME" -c "DELETE FROM scheduled_tasks WHERE name = :'name'" 2>/dev/null && \
-    echo '{"ok":true,"action":"delete","name":"'"$NAME"'"}' || \
-    echo '{"error":"删除失败"}'
-  ;;
-enable)
-  psql "$DB_URL" -v name="$NAME" -c "UPDATE scheduled_tasks SET enabled = true WHERE name = :'name'" 2>/dev/null && \
-    echo '{"ok":true,"action":"enable","name":"'"$NAME"'"}' || \
-    echo '{"error":"启用失败"}'
-  ;;
-disable)
-  psql "$DB_URL" -v name="$NAME" -c "UPDATE scheduled_tasks SET enabled = false WHERE name = :'name'" 2>/dev/null && \
-    echo '{"ok":true,"action":"disable","name":"'"$NAME"'"}' || \
-    echo '{"error":"禁用失败"}'
-  ;;
-*)
-  echo '{"error":"未知操作: '"$ACTION"'（支持: add, delete, enable, disable）"}'
-  exit 1
-  ;;
-esac
diff --git a/resources/skills/manage_skill/SKILL.md b/resources/skills/manage_skill/SKILL.md
deleted file mode 100644
index d6b9347..0000000
--- a/resources/skills/manage_skill/SKILL.md
+++ /dev/null
@@ -1,49 +0,0 @@
-# manage_skill
-
-管理 Skill：创建新的 Skill，列出所有已加载的 Skill，删除 Skill。
-
-创建的 Skill 会持久化到 `skills/` 目录，重启后自动加载。
-
-## Risk Level
-High
-
-## Parameters
-```json
-{
-  "type": "object",
-  "properties": {
-    "action": {
-      "type": "string",
-      "description": "操作类型",
-      "enum": ["create", "delete", "list"]
-    },
-    "name": {
-      "type": "string",
-      "description": "Skill 名称（create/delete 时需要）"
-    },
-    "description": {
-      "type": "string",
-      "description": "Skill 描述（create 时需要）"
-    },
-    "command": {
-      "type": "string",
-      "description": "Skill 执行的命令（create 时需要）"
-    },
-    "parameters": {
-      "type": "string",
-      "description": "参数 JSON Schema（create 时需要，JSON 字符串）"
-    },
-    "risk_level": {
-      "type": "string",
-      "description": "风险等级 Low|High，默认 Low",
-      "enum": ["Low", "High"]
-    }
-  },
-  "required": ["action"]
-}
-```
-
-## Execute
-```bash
-scripts/manage.sh
-```
diff --git a/resources/skills/manage_skill/scripts/manage.sh b/resources/skills/manage_skill/scripts/manage.sh
deleted file mode 100755
index 7839559..0000000
--- a/resources/skills/manage_skill/scripts/manage.sh
+++ /dev/null
@@ -1,106 +0,0 @@
-#!/bin/bash
-read -r INPUT
-export MANAGE_INPUT="$INPUT"
-
-python3 - "skills" << 'PYEOF'
-import sys, json, os, stat
-
-skills_dir = sys.argv[1]
-input_raw = os.environ.get('MANAGE_INPUT', '{}')
-
-try:
-    req = json.loads(input_raw) if input_raw else json.loads(sys.stdin.read())
-except:
-    print("无效的 JSON 输入")
-    sys.exit(1)
-
-action = req.get('action', 'list')
-name = req.get('name', '').strip()
-desc = req.get('description', '')
-command = req.get('command', '')
-params = req.get('parameters', '{"type":"object","properties":{}}')
-risk = req.get('risk_level', 'Low')
-
-os.makedirs(skills_dir, exist_ok=True)
-
-if action == 'list':
-    if not os.path.isdir(skills_dir):
-        print("skills 目录不存在")
-        sys.exit(0)
-    entries = [d for d in os.listdir(skills_dir) if os.path.isdir(os.path.join(skills_dir, d))]
-    if not entries:
-        print("暂无自定义 Skill")
-    else:
-        print("自定义 Skills:")
-        for d in sorted(entries):
-            md = os.path.join(skills_dir, d, "SKILL.md")
-            if os.path.exists(md):
-                first = open(md).readline().strip('# \n')
-                print(f"  • {d} — {first}")
-
-elif action == 'create':
-    if not name:
-        print("请提供 name 参数")
-        sys.exit(1)
-    if not command:
-        print("请提供 command 参数")
-        sys.exit(1)
-
-    skill_dir = os.path.join(skills_dir, name)
-    scripts_dir = os.path.join(skill_dir, "scripts")
-    os.makedirs(scripts_dir, exist_ok=True)
-
-    # 解析参数 JSON（美化）
-    try:
-        params_obj = json.loads(params) if isinstance(params, str) else params
-        params_pretty = json.dumps(params_obj, indent=2, ensure_ascii=False)
-    except:
-        params_pretty = params
-
-    # 写 SKILL.md
-    md_content = f"""# {name}
-
-{desc}
-
-## Risk Level
-{risk}
-
-## Parameters
-```json
-{params_pretty}
-```
-
-## Execute
-```bash
-scripts/main.sh
-```
-"""
-    with open(os.path.join(skill_dir, "SKILL.md"), "w") as f:
-        f.write(md_content.strip() + "\n")
-
-    # 写执行脚本
-    script = os.path.join(scripts_dir, "main.sh")
-    with open(script, "w") as f:
-        f.write(f"#!/bin/bash\n{command}\n")
-    os.chmod(script, 0o755)
-
-    print(f"✅ 已创建 Skill: {name}")
-    print(f"   位置: {skill_dir}")
-    print(f"   风险: {risk}")
-
-elif action == 'delete':
-    if not name:
-        print("请提供 name 参数")
-        sys.exit(1)
-    skill_dir = os.path.join(skills_dir, name)
-    if not os.path.isdir(skill_dir):
-        print(f"Skill 不存在: {name}")
-        sys.exit(1)
-    import shutil
-    shutil.rmtree(skill_dir)
-    print(f"✅ 已删除 Skill: {name}")
-
-else:
-    print(f"未知操作: {action}（支持: create, delete, list）")
-    sys.exit(1)
-PYEOF
diff --git a/resources/skills/search_web/SKILL.md b/resources/skills/search_web/SKILL.md
deleted file mode 100644
index 6383423..0000000
--- a/resources/skills/search_web/SKILL.md
+++ /dev/null
@@ -1,30 +0,0 @@
-# search_web
-
-通过网络搜索获取最新信息（Tavily Search API）。
-
-## Risk Level
-Low
-
-## Parameters
-```json
-{
-  "type": "object",
-  "properties": {
-    "query": {
-      "type": "string",
-      "description": "搜索关键词"
-    },
-    "count": {
-      "type": "integer",
-      "description": "返回结果数量，默认5",
-      "default": 5
-    }
-  },
-  "required": ["query"]
-}
-```
-
-## Execute
-```bash
-scripts/search.sh
-```
diff --git a/resources/skills/search_web/scripts/search.sh b/resources/skills/search_web/scripts/search.sh
deleted file mode 100755
index 1a72909..0000000
--- a/resources/skills/search_web/scripts/search.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/bin/bash
-# Tavily 搜索 → JSON 输出
-read -r input
-QUERY=$(echo "$input" | python3 -c "import sys,json; print(json.load(sys.stdin).get('query',''))" 2>/dev/null)
-COUNT=$(echo "$input" | python3 -c "import sys,json; print(json.load(sys.stdin).get('count',5))" 2>/dev/null)
-
-[ -z "$QUERY" ] && echo '{"error":"请提供 query 参数"}' && exit 0
-
-API_KEY="${TAVILY_API_KEY}"
-[ -z "$API_KEY" ] && echo '{"error":"请设置 TAVILY_API_KEY"}' && exit 0
-
-export SEARCH_QUERY="$QUERY" SEARCH_COUNT="$COUNT"
-RESP=$(python3 -c "
-import urllib.request, json, os
-key = os.environ['TAVILY_API_KEY']
-query = os.environ['SEARCH_QUERY']
-count = int(os.environ.get('SEARCH_COUNT', 5))
-body = json.dumps({'api_key': key, 'query': query, 'max_results': count, 'include_answer': True}).encode()
-req = urllib.request.Request('https://api.tavily.com/search', data=body, headers={'Content-Type': 'application/json'})
-print(urllib.request.urlopen(req).read().decode())
-" 2>/dev/null)
-
-export RESP QUERY COUNT
-python3 -c "
-import os, json
-d = json.loads(os.environ['RESP'])
-result = {
-    'query': os.environ['QUERY'],
-    'answer': d.get('answer', ''),
-    'results': [
-        {'title': r.get('title', ''), 'url': r.get('url', ''), 'content': r.get('content', '')[:300]}
-        for r in d.get('results', [])[:int(os.environ['COUNT'])]
-    ]
-}
-print(json.dumps(result, ensure_ascii=False))
-" 2>/dev/null || echo '{"error":"搜索请求失败"}'
diff --git a/src/cli.rs b/src/cli.rs
index 61f58a6..9280560 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -99,30 +99,4 @@ pub enum Commands {
     ///   ias service                          # 前台运行
     ///   sudo systemctl enable ias --now      # systemd 管理
     Service,
-
-    /// Skills 管理
-    ///
-    /// 从其他工具（Claude Code、OpenCode、pi 等）导入 Skills，
-    /// 或管理已导入的 Skills。
-    ///
-    /// 示例:
-    ///   ias skills list      # 列出可导入的 Skill
-    ///   ias skills import    # 交互式多选导入
-    ///   ias skills delete    # 交互式删除已导入的 Skill
-    Skills {
-        #[command(subcommand)]
-        action: SkillsAction,
-    },
-}
-
-#[derive(Subcommand, Debug)]
-pub enum SkillsAction {
-    /// 扫描 ~/.claude/、~/.agents/、~/.opencode/、~/.pi/ 等路径，
-    /// 交互式多选导入 Skill 到当前项目的 skills/ 目录。
-    Import,
-    /// 列出所有已知路径中可导入的 Skill（不导入）。
-    List,
-    /// 扫描 skills/ 目录中的用户 Skill，交互式多选删除。
-    /// 系统 Skill（resources/skills/）不会被删除。
-    Delete,
 }
diff --git a/src/llm/deepseek.rs b/src/llm/deepseek.rs
index 7b8369c..e503ad0 100644
--- a/src/llm/deepseek.rs
+++ b/src/llm/deepseek.rs
@@ -1,4 +1,6 @@
-use crate::llm::provider::{parse_chat_chunk, LlmProvider, ParsedChunk, StreamReceiver, StreamSender};
+use crate::llm::provider::{
+    LlmProvider, ParsedChunk, StreamReceiver, StreamSender, parse_chat_chunk,
+};
 use crate::llm::types::{ConversationConfig, Message, StreamChunk, ToolCall, Usage};
 use async_trait::async_trait;
 use reqwest::Client as HttpClient;
@@ -31,7 +33,9 @@ impl DeepSeekProvider {
 
 #[async_trait]
 impl LlmProvider for DeepSeekProvider {
-    fn name(&self) -> &str { "deepseek" }
+    fn name(&self) -> &str {
+        "deepseek"
+    }
 
     async fn chat_stream(
         &self,
@@ -96,14 +100,17 @@ async fn stream_deepseek(
     if !response.status().is_success() {
         let status = response.status();
         let text = response.text().await.unwrap_or_default();
-        let _ = tx.send(StreamChunk::Error(format!("HTTP {}: {}", status, text))).await;
+        let _ = tx
+            .send(StreamChunk::Error(format!("HTTP {}: {}", status, text)))
+            .await;
         return Err(format!("HTTP {}: {}", status, text));
     }
 
     let mut full_text = String::new();
     let mut full_reasoning = String::new();
     let mut usage: Option<Usage> = None;
-    let mut tool_call_builders: BTreeMap<i32, (Option<String>, Option<String>, String)> = BTreeMap::new();
+    let mut tool_call_builders: BTreeMap<i32, (Option<String>, Option<String>, String)> =
+        BTreeMap::new();
 
     use futures_util::StreamExt;
     let mut buf = String::new();
@@ -118,7 +125,9 @@ async fn stream_deepseek(
             let line = buf[..line_end].to_string();
             buf = buf[line_end + 1..].to_string();
             let trimmed = line.trim();
-            if trimmed.is_empty() { continue; }
+            if trimmed.is_empty() {
+                continue;
+            }
 
             if let Some(parsed) = parse_chat_chunk(trimmed) {
                 match parsed {
@@ -130,14 +139,28 @@ async fn stream_deepseek(
                         full_reasoning.push_str(&r);
                         let _ = tx.send(StreamChunk::Reasoning(r)).await;
                     }
-                    ParsedChunk::ToolCallDelta { index, id, name, arguments } => {
-                        let entry = tool_call_builders.entry(index).or_insert((None, None, String::new()));
-                        if let Some(call_id) = id { entry.0 = Some(call_id); }
-                        if let Some(call_name) = name { entry.1 = Some(call_name); }
+                    ParsedChunk::ToolCallDelta {
+                        index,
+                        id,
+                        name,
+                        arguments,
+                    } => {
+                        let entry =
+                            tool_call_builders
+                                .entry(index)
+                                .or_insert((None, None, String::new()));
+                        if let Some(call_id) = id {
+                            entry.0 = Some(call_id);
+                        }
+                        if let Some(call_name) = name {
+                            entry.1 = Some(call_name);
+                        }
                         entry.2.push_str(&arguments);
                     }
                     ParsedChunk::FinishReason(_) => {}
-                    ParsedChunk::Usage(u) => { usage = Some(u); }
+                    ParsedChunk::Usage(u) => {
+                        usage = Some(u);
+                    }
                 }
             }
         }
@@ -148,13 +171,27 @@ async fn stream_deepseek(
         if let Some(parsed) = parse_chat_chunk(buf.trim()) {
             match parsed {
                 ParsedChunk::Text(t) => full_text.push_str(&t),
-                ParsedChunk::ToolCallDelta { index, id, name, arguments } => {
-                    let entry = tool_call_builders.entry(index).or_insert((None, None, String::new()));
-                    if let Some(call_id) = id { entry.0 = Some(call_id); }
-                    if let Some(call_name) = name { entry.1 = Some(call_name); }
+                ParsedChunk::ToolCallDelta {
+                    index,
+                    id,
+                    name,
+                    arguments,
+                } => {
+                    let entry =
+                        tool_call_builders
+                            .entry(index)
+                            .or_insert((None, None, String::new()));
+                    if let Some(call_id) = id {
+                        entry.0 = Some(call_id);
+                    }
+                    if let Some(call_name) = name {
+                        entry.1 = Some(call_name);
+                    }
                     entry.2.push_str(&arguments);
                 }
-                ParsedChunk::Usage(u) => { usage = Some(u); }
+                ParsedChunk::Usage(u) => {
+                    usage = Some(u);
+                }
                 _ => {}
             }
         }
@@ -186,7 +223,11 @@ async fn stream_deepseek(
     let _ = tx
         .send(StreamChunk::Done {
             text: full_text,
-            reasoning: if full_reasoning.is_empty() { None } else { Some(full_reasoning) },
+            reasoning: if full_reasoning.is_empty() {
+                None
+            } else {
+                Some(full_reasoning)
+            },
             tool_calls,
             usage,
         })
diff --git a/src/llm/provider.rs b/src/llm/provider.rs
index b088b01..5c1cd87 100644
--- a/src/llm/provider.rs
+++ b/src/llm/provider.rs
@@ -1,6 +1,6 @@
 use crate::llm::types::{ConversationConfig, Message, StreamChunk};
-use serde::Deserialize;
 use async_trait::async_trait;
+use serde::Deserialize;
 use std::sync::Arc;
 use tokio::sync::mpsc;
 
@@ -33,29 +33,6 @@ pub fn create_provider(_config: &ConversationConfig) -> Result<BoxedProvider, St
 
 // ─── 内部：SSE 解析工具 ───
 
-/// 从字节流中解析 SSE 行
-pub(crate) fn parse_sse_line(line: &str) -> Option<(String, String)> {
-    // 支持两种格式:
-    //   data: {...}
-    //   event: ...
-    let line = line.trim();
-    if line.is_empty() || line.starts_with(':') {
-        return None;
-    }
-
-    if let Some(pos) = line.find(": ") {
-        let field = line[..pos].trim().to_string();
-        let value = line[pos + 2..].trim_start().to_string();
-        Some((field, value))
-    } else if let Some(pos) = line.find(':') {
-        let field = line[..pos].trim().to_string();
-        let value = line[pos + 1..].trim_start().to_string();
-        Some((field, value))
-    } else {
-        None
-    }
-}
-
 /// 流式块解析结果
 pub(crate) enum ParsedChunk {
     Text(String),
@@ -71,9 +48,7 @@ pub(crate) enum ParsedChunk {
 }
 
 /// 从 JSON body 中解析 DeepSeek/OpenAI 流式 delta
-pub(crate) fn parse_chat_chunk(
-    line: &str,
-) -> Option<ParsedChunk> {
+pub(crate) fn parse_chat_chunk(line: &str) -> Option<ParsedChunk> {
     if !line.starts_with("data: ") {
         return None;
     }
@@ -144,7 +119,9 @@ pub(crate) fn parse_chat_chunk(
         if let Some(tool_calls) = &choice.delta.tool_calls {
             for tc in tool_calls {
                 let idx = tc.index.unwrap_or(0);
-                let args = tc.function.as_ref()
+                let args = tc
+                    .function
+                    .as_ref()
                     .and_then(|f| f.arguments.clone())
                     .unwrap_or_default();
                 let name = tc.function.as_ref().and_then(|f| f.name.clone());
diff --git a/src/main.rs b/src/main.rs
index bb7fe16..ca6b3bf 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,19 +4,18 @@ mod db;
 mod llm;
 mod logger;
 mod scheduler;
-mod skills_importer;
 mod state;
 mod tools;
 mod wechat;
 
 use clap::Parser;
-use cli::{Cli, Commands, SkillsAction};
+use cli::{Cli, Commands};
 use context::MemoryStore;
 use db::Database;
 use llm::{Conversation, ConversationConfig, DEFAULT_SYSTEM_PROMPT, ToolExecutor, Usage};
 use std::sync::Arc;
 use tools::approval::{ApprovalDecision, ApprovalManager};
-use tools::registry::{ExecutionContext, SkillRegistry};
+use tools::skill::ExecutionContext;
 use tracing::{error, info};
 use wechat::client::WeChatClient;
 
@@ -87,12 +86,7 @@ async fn main() {
         } => {
             cmd_usage(&database, since, until, model).await;
         }
-        Commands::Service => {
-            cmd_listen(true, false, &database, &file_state, &memory_store).await
-        }
-        Commands::Skills { action } => {
-            cmd_skills(action).await;
-        }
+        Commands::Service => cmd_listen(true, false, &database, &file_state, &memory_store).await,
     }
 }
 
@@ -196,24 +190,15 @@ async fn cmd_listen(
         return;
     }
 
-    // 加载系统 Skills
-    let (skill_registry, _warnings) = SkillRegistry::load("resources/skills", "skills").await;
-    let skill_registry = {
-        if !_warnings.is_empty() {
-            info!("技能加载警告: {:?}", _warnings);
-        }
-        info!("已加载 {} 个技能", skill_registry.count());
-        Some(Arc::new(skill_registry))
-    };
-
     let approval_manager = Arc::new(ApprovalManager::new(
-        database.as_ref().map(|db| Arc::new(db.pool().clone()))
+        database.as_ref().map(|db| Arc::new(db.pool().clone())),
     ));
 
     let conversation = if enable_llm {
         let sys_prompt = std::env::var("WEIXIN_LLM_SYSTEM_PROMPT")
             .unwrap_or_else(|_| DEFAULT_SYSTEM_PROMPT.to_string());
-        let model = std::env::var("DEEPSEEK_MODEL").unwrap_or_else(|_| "deepseek-v4-flash".to_string());
+        let model =
+            std::env::var("DEEPSEEK_MODEL").unwrap_or_else(|_| "deepseek-v4-flash".to_string());
 
         let mut cfg = ConversationConfig {
             system_prompt: sys_prompt,
@@ -221,7 +206,7 @@ async fn cmd_listen(
             ..Default::default()
         };
 
-        // 仅暴露两个元工具：查询能力 + 调用能力
+        // 各项能力通过这两个元工具实现：查询能力 + 调用能力
         // 具体工具描述通过 query_capabilities 返回
         let mut tools_list: Vec<serde_json::Value> = Vec::new();
 
@@ -240,12 +225,12 @@ async fn cmd_listen(
             "type": "function",
             "function": {
                 "name": "call_capability",
-                "description": "按工具名称调用一个已注册的工具。name 为工具名（来自 query_capabilities），prompt 为自然语言需求",
+                "description": "调用一个已注册的工具。name 为工具名（来自 query_capabilities），工具所需的具体参数（如 location、days）应直接放在 JSON 中。",
                 "parameters": {
                     "type": "object",
                     "properties": {
                         "name": { "type": "string", "description": "工具名称" },
-                        "prompt": { "type": "string", "description": "自然语言需求" }
+                        "prompt": { "type": "string", "description": "json格式参数，来自 query_capabilities 中的对应工具的描述。" }
                     },
                     "required": ["name"]
                 }
@@ -306,10 +291,9 @@ async fn cmd_listen(
 
         // 构建工具执行器
         let session = conv.session();
-        let registry_opt = skill_registry.clone();
         let approval = approval_manager.clone();
         let memory_store = memory_store.clone();
-        let send_wechat: tools::registry::WechatSender = {
+        let send_wechat: tools::skill::WechatSender = {
             let client = client.clone();
             Arc::new(move |user_id: &str, text: &str| {
                 let client = client.clone();
@@ -326,7 +310,6 @@ async fn cmd_listen(
         };
 
         let executor: ToolExecutor = Arc::new(move |name: &str, args_json: &str| {
-            let reg = registry_opt.clone();
             let approval = approval.clone();
             let send = send_wechat.clone();
             let session = session.clone();
@@ -338,36 +321,39 @@ async fn cmd_listen(
                 let user_id = session.lock().await.current_user_id.clone();
 
                 // 上下文工具直接处理
-                if n == "read_memories" { return Ok(memory_store.read_for(&user_id).await); }
+                if n == "read_memories" {
+                    return Ok(memory_store.read_for(&user_id).await);
+                }
                 if n == "write_memory" {
                     let params: serde_json::Value = serde_json::from_str(&args).unwrap_or_default();
                     let content = params.get("content").and_then(|v| v.as_str()).unwrap_or("");
-                    if content.is_empty() { return Ok("请提供 content 参数".to_string()); }
+                    if content.is_empty() {
+                        return Ok("请提供 content 参数".to_string());
+                    }
                     return Ok(memory_store.write_for(&user_id, content).await);
                 }
-                if n == "read_summaries" { return Ok(context::tools::read_summaries(&session).await); }
+                if n == "read_summaries" {
+                    return Ok(context::tools::read_summaries(&session).await);
+                }
 
-                // query_capabilities: 合并内置 + 外部（去重）
+                // query_capabilities: 列出所有内置工具
                 if n == "query_capabilities" {
-                    let spec_list = if let Some(ref r) = reg {
-                        let mut s: Vec<tools::skill::SkillSpec> = r.list_specs().into_iter().cloned().collect();
-                        for builtin in tools::builtin::BuiltinRegistry::specs() {
-                            s.retain(|x| x.name != builtin.name);
-                            s.push(builtin);
-                        }
-                        s
-                    } else {
-                        tools::builtin::BuiltinRegistry::specs()
-                    };
-                    return Ok(build_capability_list(&spec_list));
+                    let specs = tools::builtin::BuiltinRegistry::specs();
+                    return Ok(build_capability_list(&specs));
                 }
 
                 // 确定目标工具名和参数（call_capability 提取 name + 透传完整参数）
                 let (target_name, target_args) = if n == "call_capability" {
                     let cp: serde_json::Value = serde_json::from_str(&args).unwrap_or_default();
-                    let name = cp.get("name").and_then(|v| v.as_str()).map(|s| s.to_string()).unwrap_or_default();
+                    let name = cp
+                        .get("name")
+                        .and_then(|v| v.as_str())
+                        .map(|s| s.to_string())
+                        .unwrap_or_default();
                     (name, serde_json::to_string(&cp).unwrap_or_default())
-                } else { (n.clone(), args.clone()) };
+                } else {
+                    (n.clone(), args.clone())
+                };
 
                 // 内置工具
                 if tools::builtin::BuiltinRegistry::is_builtin(&target_name) {
@@ -377,25 +363,18 @@ async fn cmd_listen(
                         ctx = ctx.with_wechat(send.clone());
                         let approved = builtin_approve(&ctx, &target_name).await;
                         match approved {
-                            Ok(true) => {},
+                            Ok(true) => {}
                             Ok(false) => return Ok(SkillResult::rejected(&target_name).output),
                             Err(e) => return Ok(e),
                         }
                     }
-                    if let Some(result) = tools::builtin::BuiltinRegistry::execute(&target_name, &target_args).await {
+                    if let Some(result) =
+                        tools::builtin::BuiltinRegistry::execute(&target_name, &target_args).await
+                    {
                         return Ok(result.output);
                     }
                 }
 
-                // 回退到外部 SkillRegistry
-                if let Some(ref r) = reg {
-                    let params: serde_json::Value = serde_json::from_str(&target_args).unwrap_or(serde_json::json!({}));
-                    let mut ctx = ExecutionContext::new(&user_id);
-                    ctx = ctx.with_approval(approval.clone());
-                    ctx = ctx.with_wechat(send);
-                    let result = r.execute(&target_name, params, &ctx).await;
-                    return Ok(result.output);
-                }
                 Ok(format!("未知工具: {}", target_name))
             })
         });
@@ -533,7 +512,8 @@ async fn listen_loop(
                     }
 
                     // 审批回复检查
-                    let is_approval_reply = approval_manager.handle_reply(from, text).await.is_some();
+                    let is_approval_reply =
+                        approval_manager.handle_reply(from, text).await.is_some();
 
                     if is_approval_reply {
                         info!("消息匹配审批确认码，不传给 LLM");
@@ -579,7 +559,11 @@ async fn listen_loop(
                                 } else {
                                     generate_reply(&conv, text_owned, &database).await
                                 };
-                                let reply = reply_result.ok().unwrap_or_default();
+                                let reply = match reply_result {
+                                    Ok(r) if !r.trim().is_empty() => r,
+                                    Ok(_) => "抱歉，生成回复为空，请重试。".to_string(),
+                                    Err(e) => format!("处理消息时出错：{:.200}", e),
+                                };
                                 match client
                                     .send_text(&from_owned, &reply, ctx_owned.as_deref())
                                     .await
@@ -831,12 +815,6 @@ async fn cmd_send(
     }
 }
 
-fn global_skills_dir() -> std::path::PathBuf {
-    dirs::home_dir()
-        .unwrap_or_else(|| std::path::PathBuf::from("."))
-        .join(".ias")
-        .join("skills")
-}
 
 use tools::skill::SkillResult;
 
@@ -852,7 +830,9 @@ async fn builtin_approve(ctx: &ExecutionContext, name: &str) -> Result<bool, Str
         name, code
     );
     if let Some(ref send) = ctx.send_wechat {
-        if let Err(e) = send(&ctx.user_id, &msg).await { return Err(e); }
+        if let Err(e) = send(&ctx.user_id, &msg).await {
+            return Err(e);
+        }
     }
 
     match tokio::time::timeout(std::time::Duration::from_secs(300), rx).await {
@@ -864,130 +844,27 @@ async fn builtin_approve(ctx: &ExecutionContext, name: &str) -> Result<bool, Str
 fn build_capability_list(specs: &[tools::skill::SkillSpec]) -> String {
     let mut lines = vec!["📋 可用工具:".to_string()];
     for spec in specs {
-        let risk = if spec.risk_level == tools::skill::RiskLevel::High { " ⚠️需确认" } else { "" };
+        let risk = if spec.risk_level == tools::skill::RiskLevel::High {
+            " ⚠️需确认"
+        } else {
+            ""
+        };
         lines.push(format!(
-            "\n🔹 {} {} — {}", spec.name, risk, spec.description
+            "\n🔹 {} {} — {}",
+            spec.name, risk, spec.description
         ));
+        if !spec
+            .parameters
+            .get("properties")
+            .and_then(|v| v.as_object())
+            .map_or(true, |o| o.is_empty())
+        {
+            lines.push(format!(
+                "   参数: {}",
+                serde_json::to_string(&spec.parameters).unwrap_or_default()
+            ));
+        }
     }
     lines.join("\n")
 }
 
-async fn cmd_skills(action: SkillsAction) {
-    use dialoguer::{MultiSelect, theme::ColorfulTheme};
-    use console::Term;
-
-    let global_dir = global_skills_dir();
-
-    match action {
-        SkillsAction::List => {
-            let discovered = skills_importer::discover_skills();
-            if discovered.is_empty() {
-                println!("未发现可导入的 Skill");
-                return;
-            }
-            println!("发现 {} 个可导入的 Skill:", discovered.len());
-            for (source, name, _path) in &discovered {
-                println!("  [{source}] {name}");
-            }
-        }
-        SkillsAction::Import => {
-            let discovered = skills_importer::discover_skills();
-            if discovered.is_empty() {
-                println!("未发现可导入的 Skill");
-                return;
-            }
-
-            let items: Vec<String> = discovered.iter()
-                .map(|(src, name, _)| format!("[{}] {}", src, name))
-                .collect();
-
-            println!("发现 {} 个可导入的 Skill（空格选择，回车确认，q 退出）:", discovered.len());
-            let selection = MultiSelect::with_theme(&ColorfulTheme::default())
-                .items(&items)
-                .interact_on(&Term::stderr())
-                .unwrap_or_default();
-
-            if selection.is_empty() {
-                println!("未选择任何 Skill");
-                return;
-            }
-
-            let dest = &global_dir;
-            std::fs::create_dir_all(dest).ok();
-
-            let mut imported = 0;
-            let mut skipped = 0;
-            for idx in selection {
-                let (src, name, path) = &discovered[idx];
-                println!("  导入 [{src}] {name}...");
-                match skills_importer::copy_skill(path, name, &dest) {
-                    Ok(_) => {
-                        println!("    ✅ 已导入");
-                        imported += 1;
-                    }
-                    Err(e) => {
-                        println!("    ⚠️ {e}");
-                        skipped += 1;
-                    }
-                }
-            }
-            println!("\n完成：导入 {imported} 个，跳过 {skipped} 个 (→ {})", global_dir.display());
-        }
-        SkillsAction::Delete => {
-            if !global_dir.exists() {
-                println!("全局 skills 目录不存在，没有可删除的 Skill");
-                return;
-            }
-
-            let mut entries: Vec<(String, String)> = Vec::new();
-            if let Ok(dir) = std::fs::read_dir(&global_dir) {
-                for entry in dir.flatten() {
-                    let path = entry.path();
-                    if path.is_dir() && path.join("SKILL.md").exists() {
-                        let name = path.file_name().unwrap_or_default().to_string_lossy().to_string();
-                        let desc = std::fs::read_to_string(path.join("SKILL.md"))
-                            .ok()
-                            .and_then(|s| s.lines().nth(0).map(|l| l.trim_start_matches("# ").to_string()))
-                            .unwrap_or_default();
-                        entries.push((name, desc));
-                    }
-                }
-            }
-            entries.sort_by(|a, b| a.0.cmp(&b.0));
-
-            if entries.is_empty() {
-                println!("skills 目录下没有可删除的 Skill");
-                return;
-            }
-
-            let items: Vec<String> = entries.iter()
-                .map(|(name, desc)| format!("{} — {}", name, desc))
-                .collect();
-
-            println!("选择要删除的 Skill（空格选择，回车确认，q 退出）:");
-            let selection = MultiSelect::with_theme(&ColorfulTheme::default())
-                .items(&items)
-                .interact_on(&Term::stderr())
-                .unwrap_or_default();
-
-            if selection.is_empty() {
-                println!("未选择任何 Skill");
-                return;
-            }
-
-            let mut deleted = 0;
-            for idx in selection {
-                let (name, _) = &entries[idx];
-                let path = global_dir.join(name);
-                match std::fs::remove_dir_all(&path) {
-                    Ok(_) => {
-                        println!("  ✅ 已删除 {name}");
-                        deleted += 1;
-                    }
-                    Err(e) => println!("  ❌ 删除 {name} 失败: {e}"),
-                }
-            }
-            println!("\n完成：删除 {deleted} 个");
-        }
-    }
-}
diff --git a/src/skills_importer.rs b/src/skills_importer.rs
deleted file mode 100644
index d8231c2..0000000
--- a/src/skills_importer.rs
+++ /dev/null
@@ -1,80 +0,0 @@
-use std::path::{Path, PathBuf};
-use std::fs;
-
-/// 已知的 Skills 来源路径
-fn known_skill_paths() -> Vec<(String, PathBuf)> {
-    let home = dirs::home_dir().unwrap_or_else(|| PathBuf::from("."));
-
-    let mut paths = Vec::new();
-
-    // Claude Code
-    paths.push(("Claude Code".into(), home.join(".claude").join("skills")));
-    // Claude (project)
-    paths.push(("Claude (项目)".into(), PathBuf::from(".claude/skills")));
-
-    // Agent Skills 标准
-    paths.push(("Agent Skills (全局)".into(), home.join(".agents").join("skills")));
-    paths.push(("Agent Skills (项目)".into(), PathBuf::from(".agents/skills")));
-
-    // opencode
-    paths.push(("OpenCode".into(), home.join(".opencode").join("skills")));
-
-    // pi coding agent
-    paths.push(("pi".into(), home.join(".pi").join("agent").join("skills")));
-
-    paths
-}
-
-/// 扫描所有已知路径，返回 (来源, 技能名称, 技能目录) 列表
-pub fn discover_skills() -> Vec<(String, String, PathBuf)> {
-    let mut results = Vec::new();
-
-    for (source, dir) in known_skill_paths() {
-        if let Ok(entries) = fs::read_dir(&dir) {
-            for entry in entries.flatten() {
-                let path = entry.path();
-                if path.is_dir() {
-                    let skill_md = path.join("SKILL.md");
-                    if skill_md.exists() {
-                        let name = path.file_name()
-                            .map(|n| n.to_string_lossy().to_string())
-                            .unwrap_or_default();
-                        results.push((source.clone(), name, path.clone()));
-                    }
-                }
-            }
-        }
-    }
-
-    results.sort_by(|a, b| a.1.cmp(&b.1).then_with(|| a.0.cmp(&b.0))); // sort by name, then source
-    results
-}
-
-/// 复制一个技能到目标目录
-pub fn copy_skill(src: &Path, name: &str, dest_dir: &Path) -> Result<PathBuf, String> {
-    let target = dest_dir.join(name);
-    if target.exists() {
-        return Err(format!("技能 {} 已存在", name));
-    }
-
-    copy_dir_recursive(src, &target)?;
-    Ok(target)
-}
-
-fn copy_dir_recursive(src: &Path, dst: &Path) -> Result<(), String> {
-    fs::create_dir_all(dst).map_err(|e| format!("创建目录失败: {}", e))?;
-
-    for entry in fs::read_dir(src).map_err(|e| format!("读取目录失败: {}", e))? {
-        let entry = entry.map_err(|e| format!("读取条目失败: {}", e))?;
-        let src_path = entry.path();
-        let dst_path = dst.join(entry.file_name());
-
-        if src_path.is_dir() {
-            copy_dir_recursive(&src_path, &dst_path)?;
-        } else {
-            fs::copy(&src_path, &dst_path)
-                .map_err(|e| format!("复制文件失败 {}: {}", src_path.display(), e))?;
-        }
-    }
-    Ok(())
-}
diff --git a/src/tools/DESIGN.md b/src/tools/DESIGN.md
index 3c1e8e2..473b79e 100644
--- a/src/tools/DESIGN.md
+++ b/src/tools/DESIGN.md
@@ -2,7 +2,7 @@
 
 ## 核心理念
 
-**一切皆 Skill。**
+**一切皆 Skill。【todo：向内置工具转变】**
 
 没有"内置工具"和"外部技能"的区别——所有工具都是 SKILL.md，区别仅在来源：
 - **系统 skills** — `resources/skills/` 目录，随 iAs 分发，只读
diff --git a/src/tools/approval.rs b/src/tools/approval.rs
index 1eaba85..bdb5d85 100644
--- a/src/tools/approval.rs
+++ b/src/tools/approval.rs
@@ -44,7 +44,7 @@ impl ApprovalManager {
         user_id: &str,
         skill_name: &str,
     ) -> Result<(String, oneshot::Receiver<ApprovalDecision>), String> {
-        let code: u32 = rand::thread_rng().gen_range(100000..999999);
+        let code: u32 = rand::rng().random_range(100000..999999);
         let code_str = code.to_string();
         let code_hash = format!("{:x}", Sha256::digest(code_str.as_bytes()));
 
@@ -92,7 +92,9 @@ impl ApprovalManager {
         let (result, name, code_hash) = {
             let mut map = self.pending.lock().await;
             let entries = map.get_mut(user_id)?;
-            if entries.is_empty() { return None; }
+            if entries.is_empty() {
+                return None;
+            }
 
             let reply_hash = format!("{:x}", Sha256::digest(reply.as_bytes()));
             let reply_trimmed = reply.trim();
@@ -157,11 +159,11 @@ impl ApprovalManager {
         }
 
         if let Some(ref pool) = self.pool {
-            for (_uid, _i, _code_hash) in &expired {
+            for (_uid, _i, code_hash) in &expired {
                 let _ = sqlx::query(
                     "UPDATE pending_approvals SET status = 'expired' WHERE code_hash = $1 AND status = 'pending'",
                 )
-                .bind(_code_hash)
+                .bind(code_hash)
                 .execute(pool.as_ref())
                 .await;
             }
@@ -178,10 +180,4 @@ impl ApprovalManager {
         }
         map.retain(|_, v| !v.is_empty());
     }
-
-    /// 获取某个用户的待审批条数
-    pub async fn pending_count(&self, user_id: &str) -> usize {
-        let map = self.pending.lock().await;
-        map.get(user_id).map(|v| v.len()).unwrap_or(0)
-    }
 }
diff --git a/src/tools/builtin.rs b/src/tools/builtin.rs
index b6982a9..3d89a7d 100644
--- a/src/tools/builtin.rs
+++ b/src/tools/builtin.rs
@@ -10,8 +10,7 @@ impl BuiltinRegistry {
             "get_current_datetime" => Some(execute_datetime()),
             "manage_memos" => Some(handle_memos(args_json).await),
             "query_weather" => {
-                let params: serde_json::Value =
-                    serde_json::from_str(args_json).unwrap_or_default();
+                let params: serde_json::Value = serde_json::from_str(args_json).unwrap_or_default();
                 Some(super::weather::execute(params).await)
             }
             _ => None,
@@ -31,7 +30,7 @@ impl BuiltinRegistry {
             super::skill::SkillSpec {
                 name: "manage_memos".into(),
                 description: "管理备忘录：添加/列出/删除。高风险操作（add/delete）需确认".into(),
-                risk_level: RiskLevel::High,
+                risk_level: RiskLevel::Low,
                 parameters: serde_json::json!({"type":"object","properties":{"action":{"type":"string","enum":["add","list","delete"]},"content":{"type":"string"},"id":{"type":"integer"}}}),
                 timeout_secs: 10,
             },
@@ -40,7 +39,9 @@ impl BuiltinRegistry {
     }
 
     pub fn is_high_risk(name: &str) -> bool {
-        Self::specs().iter().any(|s| s.name == name && s.risk_level == RiskLevel::High)
+        Self::specs()
+            .iter()
+            .any(|s| s.name == name && s.risk_level == RiskLevel::High)
     }
 
     pub fn is_builtin(name: &str) -> bool {
@@ -59,20 +60,32 @@ async fn handle_memos(args_json: &str) -> SkillResult {
     // 如果顶层没有 action，尝试从 prompt 推断
     if params.get("action").is_none() {
         let prompt = params.get("prompt").and_then(|v| v.as_str()).unwrap_or("");
-        let action = if prompt.contains("添加") || prompt.contains("新增") || prompt.contains("add") {
+        let action = if prompt.contains("添加") || prompt.contains("新增") || prompt.contains("add")
+        {
             "add"
-        } else if prompt.contains("删除") || prompt.contains("移除") || prompt.contains("delete") {
+        } else if prompt.contains("删除") || prompt.contains("移除") || prompt.contains("delete")
+        {
             "delete"
         } else {
             "list"
         };
         let content = params.get("prompt").and_then(|v| v.as_str()).unwrap_or("");
-        let memo_id: i32 = content.chars().filter(|c| c.is_ascii_digit()).collect::<String>().parse().unwrap_or(0);
+        let memo_id: i32 = content
+            .chars()
+            .filter(|c| c.is_ascii_digit())
+            .collect::<String>()
+            .parse()
+            .unwrap_or(0);
         params = serde_json::json!({"action": action, "content": content, "id": memo_id});
     }
-    let action = params.get("action").and_then(|v| v.as_str()).unwrap_or("list");
+    let action = params
+        .get("action")
+        .and_then(|v| v.as_str())
+        .unwrap_or("list");
     let path = ".data/memos.json";
-    if let Err(e) = std::fs::create_dir_all(".data") { return SkillResult::error(format!("创建目录失败: {}", e)); }
+    if let Err(e) = std::fs::create_dir_all(".data") {
+        return SkillResult::error(format!("创建目录失败: {}", e));
+    }
 
     let mut data: Vec<serde_json::Value> = if std::path::Path::new(path).exists() {
         serde_json::from_str(&std::fs::read_to_string(path).unwrap_or_default()).unwrap_or_default()
@@ -83,8 +96,15 @@ async fn handle_memos(args_json: &str) -> SkillResult {
     match action {
         "add" => {
             let content = params.get("content").and_then(|v| v.as_str()).unwrap_or("");
-            if content.is_empty() { return SkillResult::error("请提供 content 参数"); }
-            let next_id = data.iter().filter_map(|m| m.get("id").and_then(|v| v.as_i64())).max().unwrap_or(0) + 1;
+            if content.is_empty() {
+                return SkillResult::error("请提供 content 参数");
+            }
+            let next_id = data
+                .iter()
+                .filter_map(|m| m.get("id").and_then(|v| v.as_i64()))
+                .max()
+                .unwrap_or(0)
+                + 1;
             data.push(serde_json::json!({
                 "id": next_id, "content": content,
                 "created_at": Local::now().format("%Y-%m-%d %H:%M").to_string()
@@ -95,18 +115,29 @@ async fn handle_memos(args_json: &str) -> SkillResult {
             SkillResult::ok(format!("已添加备忘录 #{}", next_id))
         }
         "list" => {
-            if data.is_empty() { return SkillResult::ok("暂无备忘录".to_string()); }
-            let lines: Vec<String> = data.iter().map(|m| format!(
-                "#{} [{}] {}",
-                m["id"], m.get("created_at").and_then(|v| v.as_str()).unwrap_or("?"), m["content"].as_str().unwrap_or("?")
-            )).collect();
+            if data.is_empty() {
+                return SkillResult::ok("暂无备忘录".to_string());
+            }
+            let lines: Vec<String> = data
+                .iter()
+                .map(|m| {
+                    format!(
+                        "#{} [{}] {}",
+                        m["id"],
+                        m.get("created_at").and_then(|v| v.as_str()).unwrap_or("?"),
+                        m["content"].as_str().unwrap_or("?")
+                    )
+                })
+                .collect();
             SkillResult::ok(lines.join("\n"))
         }
         "delete" => {
             let id = params.get("id").and_then(|v| v.as_i64()).unwrap_or(0);
             let before = data.len();
             data.retain(|m| m.get("id").and_then(|v| v.as_i64()) != Some(id));
-            if data.len() == before { return SkillResult::error(format!("未找到备忘录 #{}", id)); }
+            if data.len() == before {
+                return SkillResult::error(format!("未找到备忘录 #{}", id));
+            }
             if let Err(e) = std::fs::write(path, serde_json::to_string_pretty(&data).unwrap()) {
                 return SkillResult::error(format!("写入备忘录失败: {}", e));
             }
diff --git a/src/tools/mod.rs b/src/tools/mod.rs
index 54ba6c5..0c2f5a9 100644
--- a/src/tools/mod.rs
+++ b/src/tools/mod.rs
@@ -1,6 +1,4 @@
 pub mod approval;
 pub mod builtin;
-pub mod parser;
-pub mod registry;
 pub mod skill;
 pub mod weather;
diff --git a/src/tools/parser.rs b/src/tools/parser.rs
deleted file mode 100644
index 2fa26e4..0000000
--- a/src/tools/parser.rs
+++ /dev/null
@@ -1,279 +0,0 @@
-use crate::tools::skill::{Skill, SkillSource, SkillSpec};
-use std::fs;
-use std::path::Path;
-
-/// 解析 SKILL.md 文件，返回 Skill
-///
-/// SKILL.md 格式：
-/// ```markdown
-/// # Skill Name
-/// Description text...
-///
-/// ## Risk Level
-/// Low | High
-///
-/// ## Parameters
-/// ```json
-/// { ... }
-/// ```
-///
-/// ## Execute
-/// ```bash
-/// command to run
-/// ```
-/// ```
-pub fn parse_skill(skill_dir: &Path) -> Result<Skill, String> {
-    let md_path = skill_dir.join("SKILL.md");
-    let content =
-        fs::read_to_string(&md_path).map_err(|e| format!("读取 {} 失败: {}", md_path.display(), e))?;
-
-    let lines: Vec<&str> = content.lines().collect();
-    let mut name = String::new();
-    let mut description = String::new();
-    let mut risk_level = String::new();
-    let mut params_raw = String::new();
-    let mut execute_raw = String::new();
-    let mut in_params = false;
-    let mut in_execute = false;
-    let mut params_fence = 0;
-    let mut execute_fence = 0;
-    let mut desc_lines: Vec<&str> = Vec::new();
-    let mut frontmatter_fences = 0;
-
-    for (_i, line) in lines.iter().enumerate() {
-        let trimmed = line.trim();
-
-        // 跳过 YAML frontmatter (---...---)
-        if trimmed == "---" && frontmatter_fences < 2 {
-            frontmatter_fences += 1;
-            continue;
-        }
-        if frontmatter_fences == 1 {
-            continue;
-        }
-
-        // 标题行 → 技能名
-        if trimmed.starts_with("# ") && !trimmed.starts_with("## ") && name.is_empty() {
-            name = trimmed.trim_start_matches("# ").trim().to_string();
-            continue;
-        }
-
-        // 二级标题
-        if trimmed.starts_with("## ") {
-            let section = trimmed.trim_start_matches("## ").trim().to_lowercase();
-            match section.as_str() {
-                "risk level" | "risk_level" | "risk" => {
-                    in_params = false;
-                    in_execute = false;
-                }
-                "parameters" | "param" => {
-                    in_params = true;
-                    in_execute = false;
-                }
-                "execute" | "execution" | "command" | "run" => {
-                    in_params = false;
-                    in_execute = true;
-                    params_fence = 0;
-                    execute_fence = 0;
-                }
-                _ => {
-                    in_params = false;
-                    in_execute = false;
-                }
-            }
-            continue;
-        }
-
-        // 描述：标题和 Risk Level 之间的文本
-        if !in_params && !in_execute && !trimmed.starts_with("#") && !trimmed.is_empty() {
-            if name.is_empty() {
-                continue;
-            }
-            // 检查是否已进入 Risk Level 段
-            let is_risk_line = trimmed.to_lowercase().starts_with("low")
-                || trimmed.to_lowercase().starts_with("high");
-            if risk_level.is_empty() && is_risk_line {
-                risk_level = trimmed.to_string();
-                continue;
-            }
-            if risk_level.is_empty() {
-                desc_lines.push(trimmed);
-            }
-            continue;
-        }
-
-        // Risk Level 值
-        if !in_params && !in_execute && risk_level.is_empty() {
-            let lower = trimmed.to_lowercase();
-            if lower == "low" || lower == "high" {
-                risk_level = trimmed.to_string();
-                continue;
-            }
-        }
-
-        // Parameters: JSON 代码块
-        if in_params {
-            if trimmed.starts_with("```") {
-                params_fence += 1;
-                if params_fence == 2 {
-                    in_params = false;
-                }
-                continue;
-            }
-            if params_fence == 1 {
-                if !params_raw.is_empty() {
-                    params_raw.push('\n');
-                }
-                params_raw.push_str(trimmed);
-            }
-            continue;
-        }
-
-        // Execute: shell 命令
-        if in_execute {
-            if trimmed.starts_with("```") {
-                execute_fence += 1;
-                if execute_fence == 2 {
-                    in_execute = false;
-                }
-                continue;
-            }
-            if execute_fence == 1 {
-                // 跳过 shebang 行
-                if trimmed.starts_with("#!/") {
-                    continue;
-                }
-                if !execute_raw.is_empty() {
-                    execute_raw.push('\n');
-                }
-                execute_raw.push_str(trimmed);
-            }
-            continue;
-        }
-    }
-
-    // 验证
-    if name.is_empty() {
-        return Err(format!("{}: 未找到技能名称 (# Title)", md_path.display()));
-    }
-
-    description = desc_lines.join(" ").trim().to_string();
-
-    let risk = match risk_level.to_lowercase().trim() {
-        "high" => crate::tools::skill::RiskLevel::High,
-        _ => crate::tools::skill::RiskLevel::Low,
-    };
-
-    // 解析参数 JSON
-    let parameters: serde_json::Value = if params_raw.is_empty() {
-        serde_json::json!({
-            "type": "object",
-            "properties": {}
-        })
-    } else {
-        serde_json::from_str(&params_raw).unwrap_or_else(|_| {
-            serde_json::json!({
-                "type": "object",
-                "properties": {}
-            })
-        })
-    };
-
-    // 执行命令（去掉首尾空白）
-    let execute_command = execute_raw.trim().to_string();
-    if execute_command.is_empty() {
-        return Err(format!("{}: 未找到 Execute 命令", md_path.display()));
-    }
-
-    let spec = SkillSpec {
-        name,
-        description,
-        risk_level: risk,
-        parameters,
-        timeout_secs: 30,
-    };
-
-    Ok(Skill::new(
-        spec,
-        // 先设成 User，由调用方修正
-        SkillSource::User,
-        skill_dir.to_path_buf(),
-        execute_command,
-    ))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use std::io::Write;
-
-    #[test]
-    fn test_load_all_system_skills() {
-        let rt = tokio::runtime::Runtime::new().unwrap();
-        let (registry, errors) = rt.block_on(crate::tools::registry::SkillRegistry::load(
-            "resources/skills",
-            "/nonexistent",
-        ));
-        if !errors.is_empty() {
-            for e in &errors {
-                eprintln!("加载警告: {}", e);
-            }
-        }
-        assert_eq!(registry.count(), 8, "应该有 8 个系统技能（query_weather 已重构为 builtin）");
-        let names: Vec<&str> = registry.list_specs().iter().map(|s| s.name.as_str()).collect();
-        println!("已加载技能: {:?}", names);
-        assert!(names.contains(&"manage_memos"));
-        assert!(names.contains(&"manage_skill"));
-        assert!(names.contains(&"get_current_datetime"));
-        assert!(names.contains(&"search_web"));
-        assert!(names.contains(&"email"));
-        assert!(names.contains(&"execute_shell"));
-        assert!(names.contains(&"list_scheduled_tasks"));
-        assert!(names.contains(&"manage_scheduled_task"));
-    }
-
-    #[test]
-    fn test_parse_basic_skill() {
-        let dir = std::env::temp_dir().join("ias-test-skill");
-        fs::create_dir_all(&dir).ok();
-        let mut f = fs::File::create(dir.join("SKILL.md")).unwrap();
-        write!(
-            f,
-            r#"# Get Current Datetime
-
-获取当前日期时间（北京时间 UTC+8）。
-
-## Risk Level
-Low
-
-## Parameters
-```json
-{{
-  "type": "object",
-  "properties": {{
-    "format": {{
-      "type": "string",
-      "description": "full | date | time"
-    }}
-  }}
-}}
-```
-
-## Execute
-```bash
-date '+%Y-%m-%d %H:%M:%S'
-```
-"#
-        )
-        .unwrap();
-
-        let skill = parse_skill(&dir).unwrap();
-        assert_eq!(skill.spec.name, "Get Current Datetime");
-        assert!(skill.spec.description.contains("日期时间"));
-        assert_eq!(skill.spec.risk_level, crate::tools::skill::RiskLevel::Low);
-        assert!(!skill.execute_command.is_empty());
-        assert!(skill.execute_command.contains("date"));
-
-        fs::remove_dir_all(&dir).ok();
-    }
-}
diff --git a/src/tools/registry.rs b/src/tools/registry.rs
deleted file mode 100644
index b934eeb..0000000
--- a/src/tools/registry.rs
+++ /dev/null
@@ -1,322 +0,0 @@
-use super::approval::{ApprovalDecision, ApprovalManager};
-use crate::tools::parser::parse_skill;
-use crate::tools::skill::*;
-use std::future::Future;
-use std::pin::Pin;
-use std::collections::HashMap;
-use std::path::Path;
-use std::sync::Arc;
-use std::time::Duration;
-use tokio::process::Command;
-
-/// 技能注册表
-pub struct SkillRegistry {
-    skills: HashMap<String, Arc<Skill>>,
-}
-
-impl SkillRegistry {
-    pub fn new() -> Self {
-        Self {
-            skills: HashMap::new(),
-        }
-    }
-
-    /// 从 system_dir 和 user_dir 加载所有技能
-    pub async fn load(system_dir: &str, user_dir: &str) -> (Self, Vec<String>) {
-        let mut registry = Self::new();
-        let mut errors = Vec::new();
-
-        // 加载系统 skills
-        if Path::new(system_dir).exists() {
-            registry.load_from_dir(system_dir, SkillSource::System, &mut errors);
-        }
-
-        // 加载全局 skills (~/.ias/skills/)
-        if let Ok(home) = std::env::var("HOME") {
-            let global_dir = format!("{}/.ias/skills", home);
-            if Path::new(&global_dir).exists() {
-                registry.load_from_dir(&global_dir, SkillSource::User, &mut errors);
-            }
-        }
-
-        // 加载用户 skills（项目目录）
-        if Path::new(user_dir).exists() {
-            registry.load_from_dir(user_dir, SkillSource::User, &mut errors);
-        }
-
-        (registry, errors)
-    }
-
-    fn load_from_dir(&mut self, dir: &str, source: SkillSource, errors: &mut Vec<String>) {
-        let dir_path = Path::new(dir);
-        let entries = match std::fs::read_dir(dir_path) {
-            Ok(e) => e,
-            Err(e) => {
-                errors.push(format!("读取目录 {} 失败: {}", dir, e));
-                return;
-            }
-        };
-
-        for entry in entries.flatten() {
-            let path = entry.path();
-            if !path.is_dir() {
-                continue;
-            }
-            let skill_md = path.join("SKILL.md");
-            if !skill_md.exists() {
-                continue;
-            }
-
-            match parse_skill(&path) {
-                Ok(mut skill) => {
-                    skill.source = source.clone();
-                    let name = skill.spec.name.clone();
-
-                    // user 同名覆盖 system
-                    if source == SkillSource::User && self.skills.contains_key(&name) {
-                        tracing::info!("用户技能覆盖系统技能: {}", name);
-                    }
-                    self.skills.insert(name, Arc::new(skill));
-                }
-                Err(e) => {
-                    errors.push(format!("{}: {}", path.display(), e));
-                }
-            }
-        }
-    }
-
-    /// 列出所有技能 specs（给 LLM function calling）
-    pub fn list_specs(&self) -> Vec<&SkillSpec> {
-        let mut specs: Vec<&SkillSpec> = self.skills.values().map(|s| &s.spec).collect();
-        specs.sort_by(|a, b| a.name.cmp(&b.name));
-        specs
-    }
-
-    /// 按风险等级过滤
-    pub fn list_specs_by_risk(&self, level: RiskLevel) -> Vec<&SkillSpec> {
-        self.skills
-            .values()
-            .filter(|s| s.spec.risk_level == level)
-            .map(|s| &s.spec)
-            .collect()
-    }
-
-    /// 按名称查找技能
-    pub fn get(&self, name: &str) -> Option<&Skill> {
-        self.skills.get(name).map(|s| s.as_ref())
-    }
-
-    /// 获取技能数量
-    pub fn count(&self) -> usize {
-        self.skills.len()
-    }
-
-    /// 动态注册一个技能（运行时添加，不持久化到文件）
-    pub fn register_skill(&mut self, spec: SkillSpec, dir: std::path::PathBuf, execute_command: String) {
-        let skill = Arc::new(Skill::new(spec, SkillSource::User, dir, execute_command));
-        let name = skill.spec.name.clone();
-        self.skills.insert(name, skill);
-    }
-
-    // ─── 执行 ───
-
-    /// 执行技能（含审批流程）
-    pub async fn execute(
-        &self,
-        name: &str,
-        params: serde_json::Value,
-        ctx: &ExecutionContext,
-    ) -> SkillResult {
-        let skill = match self.skills.get(name) {
-            Some(s) => s.clone(),
-            None => {
-                return SkillResult::error(format!("技能不存在: {}", name));
-            }
-        };
-
-        // High 风险 → 审批流程（透明模式）
-        if skill.spec.risk_level.is_high() {
-            match approval_flow(&skill, ctx).await {
-                ApprovalResult::Approved => {
-                    // 继续执行
-                }
-                ApprovalResult::Rejected => {
-                    return SkillResult::rejected(name);
-                }
-                ApprovalResult::Expired => {
-                    return SkillResult::expired(name);
-                }
-                ApprovalResult::Error(msg) => {
-                    return SkillResult::error(msg);
-                }
-            }
-        }
-
-        // 执行技能
-        run_skill(&skill, params, ctx).await
-    }
-}
-
-// ─── 审批流程 ───
-
-enum ApprovalResult {
-    Approved,
-    Rejected,
-    Expired,
-    Error(String),
-}
-
-async fn approval_flow(skill: &Skill, ctx: &ExecutionContext) -> ApprovalResult {
-    let manager = match ctx.approval_manager.as_ref() {
-        Some(m) => m.clone(),
-        None => return ApprovalResult::Approved, // 测试模式
-    };
-
-    // 创建审批请求（生成确认码 + 注册通道）
-    let (code, rx) = match manager.create(&ctx.user_id, &skill.spec.name).await {
-        Ok(pair) => pair,
-        Err(e) => return ApprovalResult::Error(e),
-    };
-    tracing::debug!("审批确认码已生成: {}...", &code[..2]);
-
-    // 发送确认消息给用户
-    let msg = format!(
-        "⚠️ 操作确认\n\n技能：{}\n\n确认码：{}\n\n回复确认码以继续\n回复 0 或「取消」以取消\n(5分钟内有效，最多3次尝试)",
-        skill.spec.name, code
-    );
-    if let Some(ref send) = ctx.send_wechat {
-        if let Err(e) = send(&ctx.user_id, &msg).await {
-            return ApprovalResult::Error(format!("发送确认消息失败: {}", e));
-        }
-    }
-
-    // 等待用户确认（通过 oneshot channel，由消息循环驱动）
-    match tokio::time::timeout(Duration::from_secs(300), rx).await {
-        Ok(Ok(ApprovalDecision::Approved)) => ApprovalResult::Approved,
-        Ok(Ok(ApprovalDecision::Rejected)) => ApprovalResult::Rejected,
-        Ok(Ok(ApprovalDecision::Expired)) => ApprovalResult::Expired,
-        Ok(Err(_)) => ApprovalResult::Error("审批通道异常".to_string()),
-        Err(_) => ApprovalResult::Expired,
-    }
-}
-
-// ─── 技能执行器 ───
-
-async fn run_skill(skill: &Skill, params: serde_json::Value, _ctx: &ExecutionContext) -> SkillResult {
-    let timeout = Duration::from_secs(skill.spec.timeout_secs);
-
-    let cmd_str = &skill.execute_command;
-    let parts: Vec<&str> = cmd_str.split_whitespace().collect();
-    if parts.is_empty() {
-        return SkillResult::error("执行命令为空");
-    }
-
-    let mut cmd = Command::new(parts[0]);
-    for arg in &parts[1..] {
-        cmd.arg(arg);
-    }
-    cmd.current_dir(&skill.dir);
-    tracing::debug!(
-        "执行命令: {:?} (cwd={:?})",
-        &cmd_str, &skill.dir
-    );
-
-    // 通过 stdin 传入参数
-    let params_json = serde_json::to_string(&params).unwrap_or_default();
-    cmd.stdin(std::process::Stdio::piped());
-    cmd.stdout(std::process::Stdio::piped());
-    cmd.stderr(std::process::Stdio::piped());
-    cmd.kill_on_drop(true);
-
-    let mut child = match cmd.spawn() {
-        Ok(c) => c,
-        Err(e) => return SkillResult::error(format!("启动进程失败: {}", e)),
-    };
-
-    // 写入参数到 stdin
-    if let Some(mut stdin) = child.stdin.take() {
-        use tokio::io::AsyncWriteExt;
-        let _ = stdin.write_all(params_json.as_bytes()).await;
-        // 关闭 stdin 让进程知道输入结束
-        drop(stdin);
-    }
-
-    // 等待完成（带超时）
-    let result = tokio::time::timeout(timeout, child.wait_with_output()).await;
-
-    match result {
-        Ok(Ok(output)) => {
-            let stdout = String::from_utf8_lossy(&output.stdout).trim().to_string();
-            let stderr = String::from_utf8_lossy(&output.stderr).trim().to_string();
-            let exit_code = output.status.code().unwrap_or(-1);
-
-            tracing::debug!(
-                "🖥️  {} exit={} out={:.200} err={:.100}",
-                skill.spec.name, exit_code,
-                if stdout.is_empty() { "(空)" } else { &stdout },
-                if stderr.is_empty() { "(空)" } else { &stderr }
-            );
-
-            if output.status.success() {
-                // 尝试解析为 JSON
-                if let Ok(json) = serde_json::from_str::<serde_json::Value>(&stdout) {
-                    SkillResult::ok_with_data(stdout, json)
-                } else {
-                    SkillResult::ok(stdout)
-                }
-            } else {
-                let msg = if !stderr.is_empty() {
-                    format!("退出码 {}: {}", output.status.code().unwrap_or(-1), stderr)
-                } else if !stdout.is_empty() {
-                    format!("退出码 {}: {}", output.status.code().unwrap_or(-1), stdout)
-                } else {
-                    format!("退出码 {}", output.status.code().unwrap_or(-1))
-                };
-                SkillResult::error(msg)
-            }
-        }
-        Ok(Err(e)) => SkillResult::error(format!("进程错误: {}", e)),
-        Err(_) => SkillResult::error(format!("执行超时 ({}s)", skill.spec.timeout_secs)),
-    }
-}
-
-// ─── 执行上下文 ───
-
-/// 发送微信消息的回调： (user_id, text) -> Result（异步）
-pub type WechatSender =
-    Arc<dyn Fn(&str, &str) -> Pin<Box<dyn Future<Output = Result<(), String>> + Send>> + Send + Sync>;
-
-pub struct ExecutionContext {
-    pub user_id: String,
-    pub db: Option<Arc<sqlx::PgPool>>,
-    /// 审批管理器
-    pub approval_manager: Option<Arc<ApprovalManager>>,
-    /// 发送微信消息的回调
-    pub send_wechat: Option<WechatSender>,
-}
-
-impl ExecutionContext {
-    pub fn new(user_id: impl Into<String>) -> Self {
-        Self {
-            user_id: user_id.into(),
-            db: None,
-            approval_manager: None,
-            send_wechat: None,
-        }
-    }
-
-    pub fn with_db(mut self, db: Arc<sqlx::PgPool>) -> Self {
-        self.db = Some(db);
-        self
-    }
-
-    pub fn with_approval(mut self, mgr: Arc<ApprovalManager>) -> Self {
-        self.approval_manager = Some(mgr);
-        self
-    }
-
-    pub fn with_wechat(mut self, send: WechatSender) -> Self {
-        self.send_wechat = Some(send);
-        self
-    }
-}
diff --git a/src/tools/skill.rs b/src/tools/skill.rs
index 63ac389..2564dcd 100644
--- a/src/tools/skill.rs
+++ b/src/tools/skill.rs
@@ -1,15 +1,15 @@
 use serde::{Deserialize, Serialize};
-use std::path::PathBuf;
+use std::future::Future;
+use std::pin::Pin;
 use std::sync::Arc;
-use std::time::Duration;
 
 // ─── 风险等级 ───
 
 #[derive(Debug, Clone, PartialEq, Deserialize)]
 #[serde(rename_all = "lowercase")]
 pub enum RiskLevel {
-    Low,   // 只读/安全，自动执行
-    High,  // 写操作/有风险，需微信确认码审批
+    Low,
+    High,
 }
 
 impl RiskLevel {
@@ -18,24 +18,7 @@ impl RiskLevel {
     }
 }
 
-// ─── 技能来源 ───
-
-#[derive(Debug, Clone, PartialEq)]
-pub enum SkillSource {
-    System,  // resources/skills/
-    User,    // skills/
-}
-
-impl SkillSource {
-    pub fn label(&self) -> &str {
-        match self {
-            SkillSource::System => "系统",
-            SkillSource::User => "用户",
-        }
-    }
-}
-
-// ─── 技能元数据（从 SKILL.md 解析） ───
+// ─── 工具元数据 ───
 
 #[derive(Debug, Clone, Deserialize)]
 pub struct SkillSpec {
@@ -49,41 +32,11 @@ pub struct SkillSpec {
     pub timeout_secs: u64,
 }
 
-fn default_risk_level() -> RiskLevel {
-    RiskLevel::Low
-}
+fn default_risk_level() -> RiskLevel { RiskLevel::Low }
+fn default_timeout() -> u64 { 30 }
 
-fn default_timeout() -> u64 {
-    30
-}
+// ─── 工具执行结果 ───
 
-// ─── 技能（加载到内存后） ───
-
-#[derive(Debug, Clone)]
-pub struct Skill {
-    pub spec: SkillSpec,
-    pub source: SkillSource,
-    pub dir: PathBuf,
-    pub execute_command: String,
-}
-
-impl Skill {
-    pub fn new(spec: SkillSpec, source: SkillSource, dir: PathBuf, execute_command: String) -> Self {
-        Self {
-            spec,
-            source,
-            dir,
-            execute_command,
-        }
-    }
-}
-
-// ─── 执行上下文 ───
-
-pub type WechatSender = Arc<dyn Fn(&str, &str) -> Result<(), String> + Send + Sync>;
-pub type ReplyWaiter = Arc<dyn Fn(&str, Duration) -> Result<Option<String>, String> + Send + Sync>;
-
-/// LLM 能看到的结果
 #[derive(Debug, Clone, Serialize)]
 pub struct SkillResult {
     pub success: bool,
@@ -94,63 +47,48 @@ pub struct SkillResult {
 
 impl SkillResult {
     pub fn ok(output: impl Into<String>) -> Self {
-        Self {
-            success: true,
-            output: output.into(),
-            data: None,
-        }
+        Self { success: true, output: output.into(), data: None }
     }
 
     pub fn ok_with_data(output: impl Into<String>, data: serde_json::Value) -> Self {
-        Self {
-            success: true,
-            output: output.into(),
-            data: Some(data),
-        }
+        Self { success: true, output: output.into(), data: Some(data) }
     }
 
     pub fn rejected(skill_name: &str) -> Self {
-        Self {
-            success: false,
-            output: format!("用户拒绝了你的调用：{}", skill_name),
-            data: None,
-        }
+        Self { success: false, output: format!("用户拒绝了你的调用：{}", skill_name), data: None }
     }
 
     pub fn expired(skill_name: &str) -> Self {
-        Self {
-            success: false,
-            output: format!("用户没有确认操作：{}", skill_name),
-            data: None,
-        }
+        Self { success: false, output: format!("用户没有确认操作：{}", skill_name), data: None }
     }
 
     pub fn error(msg: impl Into<String>) -> Self {
-        Self {
-            success: false,
-            output: msg.into(),
-            data: None,
-        }
+        Self { success: false, output: msg.into(), data: None }
     }
 }
 
-// ─── 错误 ───
+// ─── 执行上下文 ───
 
-#[derive(Debug)]
-pub enum SkillError {
-    NotFound(String),
-    Execution(String),
-    Timeout(String),
-    InvalidParams(String),
+pub type WechatSender = Arc<dyn Fn(&str, &str) -> Pin<Box<dyn Future<Output = Result<(), String>> + Send>> + Send + Sync>;
+
+pub struct ExecutionContext {
+    pub user_id: String,
+    pub approval_manager: Option<Arc<crate::tools::approval::ApprovalManager>>,
+    pub send_wechat: Option<WechatSender>,
 }
 
-impl std::fmt::Display for SkillError {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            SkillError::NotFound(name) => write!(f, "技能不存在: {}", name),
-            SkillError::Execution(msg) => write!(f, "执行失败: {}", msg),
-            SkillError::Timeout(name) => write!(f, "执行超时: {}", name),
-            SkillError::InvalidParams(msg) => write!(f, "参数无效: {}", msg),
-        }
+impl ExecutionContext {
+    pub fn new(user_id: impl Into<String>) -> Self {
+        Self { user_id: user_id.into(), approval_manager: None, send_wechat: None }
+    }
+
+    pub fn with_approval(mut self, mgr: Arc<crate::tools::approval::ApprovalManager>) -> Self {
+        self.approval_manager = Some(mgr);
+        self
+    }
+
+    pub fn with_wechat(mut self, send: WechatSender) -> Self {
+        self.send_wechat = Some(send);
+        self
     }
 }
diff --git a/src/tools/weather.rs b/src/tools/weather.rs
index 4c2a1a3..73a5e37 100644
--- a/src/tools/weather.rs
+++ b/src/tools/weather.rs
@@ -90,6 +90,7 @@ struct CityLookupResponse {
 }
 
 #[derive(Deserialize)]
+#[allow(dead_code)]
 struct CityLocation {
     id: String,
     name: String,
@@ -246,13 +247,10 @@ impl QWeatherClient {
             return Ok(id);
         }
 
-        let url = format!(
-            "https://geoapi.qweather.com/v2/city/lookup?location={}&number=1",
-            location
-        );
         let resp: CityLookupResponse = self
             .http
-            .get(&url)
+            .get("https://geoapi.qweather.com/v2/city/lookup")
+            .query(&[("location", location), ("number", "1")])
             .header("Authorization", format!("Bearer {}", self.jwt))
             .send()
             .await
@@ -279,13 +277,10 @@ impl QWeatherClient {
 
     /// 实时天气
     async fn weather_now(&self, city_id: &str) -> Result<serde_json::Value, String> {
-        let url = format!(
-            "https://{}/v7/weather/now?location={}&lang=zh&unit=m",
-            self.api_host, city_id
-        );
         let resp: WeatherNowResponse = self
             .http
-            .get(&url)
+            .get(format!("https://{}/v7/weather/now", self.api_host))
+            .query(&[("location", city_id), ("lang", "zh"), ("unit", "m")])
             .header("Authorization", format!("Bearer {}", self.jwt))
             .send()
             .await
@@ -328,13 +323,10 @@ impl QWeatherClient {
             _ => "30d",
         };
 
-        let url = format!(
-            "https://{}/v7/weather/{}?location={}&lang=zh&unit=m",
-            self.api_host, d, city_id
-        );
         let resp: DailyForecastResponse = self
             .http
-            .get(&url)
+            .get(format!("https://{}/v7/weather/{}", self.api_host, d))
+            .query(&[("location", city_id), ("lang", "zh"), ("unit", "m")])
             .header("Authorization", format!("Bearer {}", self.jwt))
             .send()
             .await
@@ -381,13 +373,10 @@ impl QWeatherClient {
             _ => "168h",
         };
 
-        let url = format!(
-            "https://{}/v7/weather/{}?location={}&lang=zh&unit=m",
-            self.api_host, h, city_id
-        );
         let resp: HourlyForecastResponse = self
             .http
-            .get(&url)
+            .get(format!("https://{}/v7/weather/{}", self.api_host, h))
+            .query(&[("location", city_id), ("lang", "zh"), ("unit", "m")])
             .header("Authorization", format!("Bearer {}", self.jwt))
             .send()
             .await
@@ -448,12 +437,6 @@ fn extract_params(params: &serde_json::Value) -> (&str, u32, u32) {
     let location = params
         .get("location")
         .and_then(|v| v.as_str())
-        .or_else(|| params.get("prompt").and_then(|v| v.as_str()).and_then(|s| {
-            // call_capability 可能用 prompt 透传，尝试从中提取城市名
-            // 简单匹配："北京"、"上海" 等中文名或拼音
-            s.split(|c: char| c == '"' || c == '\'' || c == ',' || c == '，')
-                .find(|w| w.chars().any(|c| c as u32 > 127))
-        }))
         .unwrap_or("北京");
 
     let days = params
@@ -471,8 +454,75 @@ fn extract_params(params: &serde_json::Value) -> (&str, u32, u32) {
     (location, days.max(1), hours)
 }
 
-/// 执行天气查询
+#[allow(dead_code)]
+fn extract_days_from_prompt(prompt: &str) -> u32 {
+    // 匹配模式: "7天" "3日" "未来7" "7d" "7D"
+    for pat in &["天", "日", "d", "D"] {
+        if let Some(pos) = prompt.find(pat) {
+            // 向前找数字
+            let before = &prompt[..pos];
+            if let Some(num_str) = before
+                .chars()
+                .rev()
+                .take_while(|c| c.is_ascii_digit())
+                .collect::<String>()
+                .chars()
+                .rev()
+                .collect::<String>()
+                .into()
+            {
+                if let Ok(n) = num_str.parse::<u32>() {
+                    return n.min(30).max(1);
+                }
+            }
+        }
+    }
+    3 // 默认
+}
+
+#[allow(dead_code)]
+fn extract_city_from_prompt(prompt: &str) -> &str {
+    // 去掉常见前缀，取第一个2-3字中文词。GeoAPI 支持模糊搜索，
+    // 即使多取一两个字也能正确匹配到城市
+    let chars: Vec<char> = prompt.chars().collect();
+    let byte_pos = |idx: usize| -> usize { chars[..idx].iter().map(|c| c.len_utf8()).sum() };
+
+    // 跳过前缀
+    let mut i = 0;
+    for prefix in &["帮我查一下", "帮我看看", "帮我查", "帮我", "查一下", "查询", "看看"] {
+        if prompt.starts_with(prefix) {
+            i = prefix.chars().count();
+            while i < chars.len() && chars[i] as u32 <= 0x4e00 { i += 1; }
+            break;
+        }
+    }
+    // 跳过非中文
+    while i < chars.len() && chars[i] as u32 <= 0x4e00 { i += 1; }
+    // 取至多4个连续中文
+    let start = i;
+    while i < chars.len() && chars[i] as u32 > 0x4e00 && i - start < 4 { i += 1; }
+    if i - start >= 2 {
+        &prompt[byte_pos(start)..byte_pos(i)]
+    } else {
+        "北京"
+    }
+}
+
 pub async fn execute(params: serde_json::Value) -> SkillResult {
+    // call_capability 透传但没有 structured 参数 → 告知正确格式
+    if params.get("location").is_none()
+        && params.get("name").and_then(|v| v.as_str()) == Some("query_weather")
+    {
+        let spec = spec();
+        return SkillResult::error(format!(
+            "参数格式错误。请将 query_weather 所需的参数直接放在 call_capability 的 prompt 字段中，格式：\
+            prompt: {{\"location\": \"城市名\", \"days\": 3, \"hours\": 0}}。\
+            工具说明：{}。参数 schema：{}",
+            spec.description,
+            serde_json::to_string(&spec.parameters).unwrap_or_default()
+        ));
+    }
+
     let (location, days, hours) = extract_params(&params);
 
     tracing::info!("🌤️  查询天气: location={}, days={}, hours={}", location, days, hours);
@@ -574,9 +624,35 @@ mod tests {
     }
 
     #[test]
-    fn test_spec() {
-        let s = spec();
-        assert_eq!(s.name, "query_weather");
-        assert_eq!(s.risk_level, RiskLevel::Low);
+    fn test_extract_city_from_prompt() {
+        // 取前缀后的连续中文给 GeoAPI 模糊搜索（多取不影响结果）
+        assert_eq!(extract_city_from_prompt("查询合肥未来7天的天气预报"), "合肥未来");
+        assert_eq!(extract_city_from_prompt("北京今天天气"), "北京今天");
+        assert_eq!(extract_city_from_prompt("上海"), "上海");
+        assert_eq!(extract_city_from_prompt("帮我查一下广州"), "广州");
+    }
+
+    #[test]
+    fn test_extract_days() {
+        assert_eq!(extract_days_from_prompt("查询合肥未来7天的天气预报"), 7);
+        assert_eq!(extract_days_from_prompt("3天预报"), 3);
+        assert_eq!(extract_days_from_prompt("北京天气"), 3);
+    }
+
+    /// 端到端测试：需要有效的 QWeather 环境变量
+    #[tokio::test]
+    async fn test_execute_weather_integration() {
+        // 跳过无环境变量的情况
+        if std::env::var("QWEATHER_JWT_KEY_ID").is_err() {
+            eprintln!("跳过集成测试: 未设置 QWeather 环境变量");
+            return;
+        }
+
+        let result = super::execute(serde_json::json!({"location": "合肥", "days": 3})).await;
+        assert!(result.success, "查询失败: {}", result.output);
+        let data = result.data.expect("应有 data 字段");
+        assert_eq!(data["location"], "合肥");
+        assert!(data["now"].is_object(), "应有实时天气");
+        assert!(data["forecast"].is_array(), "应有预报");
     }
 }