feat: key management and scheduled task tools

skills/bocha-search/SKILL.md

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+---
+name: bocha-search
+description: High-quality web search with AI-optimized results. Use when user needs to search the internet for current information, news, or research topics.
+homepage: https://open.bocha.cn/
+metadata:
+  emoji: 🔍
+  requires:
+    bins: ["curl"]
+    env: ["BOCHA_API_KEY"]
+  primaryEnv: "BOCHA_API_KEY"
+---
+
+# Bocha Search
+
+High-quality web search powered by Bocha AI, optimized for AI consumption. Returns web pages, images, and detailed metadata.
+
+## Setup
+
+This skill requires a Bocha API key. If not configured:
+
+1. Visit https://open.bocha.cn to get an API key
+2. Set the key using: `env_config(action="set", key="BOCHA_API_KEY", value="your-key")`
+3. Or manually add to `~/cow/.env`: `BOCHA_API_KEY=your-key`
+
+## Usage
+
+**Important**: Scripts are located relative to this skill's base directory.
+
+When you see this skill in `<available_skills>`, note the `<base_dir>` path.
+
+```bash
+# General pattern:
+bash "<base_dir>/scripts/search.sh" "<query>" [count] [freshness] [summary]
+
+# Parameters:
+# - query: Search query (required)
+# - count: Number of results (1-50, default: 10)
+# - freshness: Time range filter (default: noLimit)
+#   Options: noLimit, oneDay, oneWeek, oneMonth, oneYear, YYYY-MM-DD..YYYY-MM-DD
+# - summary: Include text summary (true/false, default: false)
+```
+
+## Examples
+
+### Basic search
+```bash
+bash "<base_dir>/scripts/search.sh" "latest AI news"
+```
+
+### Search with more results
+```bash
+bash "<base_dir>/scripts/search.sh" "Python tutorials" 20
+```
+
+### Search recent content with summary
+```bash
+bash "<base_dir>/scripts/search.sh" "阿里巴巴ESG报告" 10 oneWeek true
+```
+
+### Search specific date range
+```bash
+bash "<base_dir>/scripts/search.sh" "tech news" 15 "2025-01-01..2025-02-01"
+```
+
+## Response Format
+
+The API returns structured data compatible with Bing Search API:
+
+**Web Pages** (in `data.webPages.value`):
+- `name`: Page title
+- `url`: Page URL
+- `snippet`: Short description
+- `summary`: Full text summary (if requested)
+- `siteName`: Website name
+- `siteIcon`: Website icon URL
+- `datePublished`: Publication date (UTC+8)
+- `language`: Page language
+
+**Images** (in `data.images.value`):
+- `contentUrl`: Image URL
+- `hostPageUrl`: Source page URL
+- `width`, `height`: Image dimensions
+- `thumbnailUrl`: Thumbnail URL
+
+## Notes
+
+- **Optimized for AI**: Results include summaries and structured metadata
+- **Time range**: Use `noLimit` for best results (algorithm auto-optimizes time range)
+- **Timeout**: 30 seconds
+- **Rate limits**: Check your API plan at https://open.bocha.cn
+- **Response format**: Compatible with Bing Search API for easy integration